[INFO] cloning repository https://github.com/masuke5/rcc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/masuke5/rcc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmasuke5%2Frcc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmasuke5%2Frcc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c40a6779dcd7c88563edf7e0aae538b03204a64a
[INFO] building masuke5/rcc against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmasuke5%2Frcc" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/masuke5/rcc on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/masuke5/rcc
[INFO] finished tweaking git repo https://github.com/masuke5/rcc
[INFO] tweaked toml for git repo https://github.com/masuke5/rcc written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/masuke5/rcc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b1920f9bdfd4f207e5c5ee25d8d917bacf3f5e9b2b7d26a53280df9d19576ae0
[INFO] running `Command { std: "docker" "start" "-a" "b1920f9bdfd4f207e5c5ee25d8d917bacf3f5e9b2b7d26a53280df9d19576ae0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1920f9bdfd4f207e5c5ee25d8d917bacf3f5e9b2b7d26a53280df9d19576ae0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1920f9bdfd4f207e5c5ee25d8d917bacf3f5e9b2b7d26a53280df9d19576ae0", kill_on_drop: false }`
[INFO] [stdout] b1920f9bdfd4f207e5c5ee25d8d917bacf3f5e9b2b7d26a53280df9d19576ae0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe60ca916610bd495b6f47aeca3fa09a5ed76799d1537a3c664e074971710c33
[INFO] running `Command { std: "docker" "start" "-a" "fe60ca916610bd495b6f47aeca3fa09a5ed76799d1537a3c664e074971710c33", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling libc v0.2.57
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling winapi v0.3.7
[INFO] [stderr]    Compiling approx v0.1.1
[INFO] [stderr]    Compiling rgb v0.8.13
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling winconsole v0.10.0
[INFO] [stderr]    Compiling colored v1.8.0
[INFO] [stderr]    Compiling rcc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/gen.rs:34:75
[INFO] [stdout]     |
[INFO] [stdout] 34  |         $self.code.push_str(&format!(concat!("  ", $fmt, "\n"), $($arg)*));
[INFO] [stdout]     |                                                                           ^
[INFO] [stdout] ...
[INFO] [stdout] 144 |             Type::Float => add_mnemonic!(self, "movss [rsp], {}", reg),
[INFO] [stdout]     |                            ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `add_mnemonic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/gen.rs:34:75
[INFO] [stdout]     |
[INFO] [stdout] 34  |         $self.code.push_str(&format!(concat!("  ", $fmt, "\n"), $($arg)*));
[INFO] [stdout]     |                                                                           ^
[INFO] [stdout] ...
[INFO] [stdout] 145 |             Type::Double => add_mnemonic!(self, "movsd [rsp], {}", reg),
[INFO] [stdout]     |                             ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `add_mnemonic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/gen.rs:34:75
[INFO] [stdout]     |
[INFO] [stdout] 34  |         $self.code.push_str(&format!(concat!("  ", $fmt, "\n"), $($arg)*));
[INFO] [stdout]     |                                                                           ^
[INFO] [stdout] ...
[INFO] [stdout] 166 |                     Location::Local(offset) => add_mnemonic!(self, "mov rax, [rbp-{}]", offset),
[INFO] [stdout]     |                                                ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `add_mnemonic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/gen.rs:34:75
[INFO] [stdout]     |
[INFO] [stdout] 34  |         $self.code.push_str(&format!(concat!("  ", $fmt, "\n"), $($arg)*));
[INFO] [stdout]     |                                                                           ^
[INFO] [stdout] ...
[INFO] [stdout] 187 |                     Location::Local(offset) => add_mnemonic!(self, "lea rax, [rbp-{}]", offset),
[INFO] [stdout]     |                                                ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `add_mnemonic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/gen.rs:34:75
[INFO] [stdout]     |
[INFO] [stdout] 34  |         $self.code.push_str(&format!(concat!("  ", $fmt, "\n"), $($arg)*));
[INFO] [stdout]     |                                                                           ^
[INFO] [stdout] ...
[INFO] [stdout] 188 |                     Location::Global(name) => add_mnemonic!(self, "lea rax, {}", self.id_map.name(&name)),
[INFO] [stdout]     |                                               ----------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `add_mnemonic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/gen.rs:31:53
[INFO] [stdout]     |
[INFO] [stdout] 31  |         $self.code.push_str(concat!("  ", $s, "\n"));
[INFO] [stdout]     |                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 408 |             Infix::Add => add_mnemonic!(self, "addsd xmm0, xmm1"),
[INFO] [stdout]     |                           --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `add_mnemonic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/gen.rs:31:53
[INFO] [stdout]     |
[INFO] [stdout] 31  |         $self.code.push_str(concat!("  ", $s, "\n"));
[INFO] [stdout]     |                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 409 |             Infix::Sub => add_mnemonic!(self, "subsd xmm0, xmm1"),
[INFO] [stdout]     |                           --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `add_mnemonic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/gen.rs:31:53
[INFO] [stdout]     |
[INFO] [stdout] 31  |         $self.code.push_str(concat!("  ", $s, "\n"));
[INFO] [stdout]     |                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 410 |             Infix::Mul => add_mnemonic!(self, "mulsd xmm0, xmm1"),
[INFO] [stdout]     |                           --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `add_mnemonic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/gen.rs:31:53
[INFO] [stdout]     |
[INFO] [stdout] 31  |         $self.code.push_str(concat!("  ", $s, "\n"));
[INFO] [stdout]     |                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 411 |             Infix::Div => add_mnemonic!(self, "divsd xmm0, xmm1"),
[INFO] [stdout]     |                           --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `add_mnemonic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/gen.rs:31:53
[INFO] [stdout]     |
[INFO] [stdout] 31  |         $self.code.push_str(concat!("  ", $s, "\n"));
[INFO] [stdout]     |                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 460 |                 Infix::Add => add_mnemonic!(self, "addss xmm0, xmm1"),
[INFO] [stdout]     |                               --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `add_mnemonic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/gen.rs:31:53
[INFO] [stdout]     |
[INFO] [stdout] 31  |         $self.code.push_str(concat!("  ", $s, "\n"));
[INFO] [stdout]     |                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 461 |                 Infix::Sub => add_mnemonic!(self, "subss xmm0, xmm1"),
[INFO] [stdout]     |                               --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `add_mnemonic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/gen.rs:31:53
[INFO] [stdout]     |
[INFO] [stdout] 31  |         $self.code.push_str(concat!("  ", $s, "\n"));
[INFO] [stdout]     |                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 462 |                 Infix::Mul => add_mnemonic!(self, "mulss xmm0, xmm1"),
[INFO] [stdout]     |                               --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `add_mnemonic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/gen.rs:31:53
[INFO] [stdout]     |
[INFO] [stdout] 31  |         $self.code.push_str(concat!("  ", $s, "\n"));
[INFO] [stdout]     |                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 463 |                 Infix::Div => add_mnemonic!(self, "divss xmm0, xmm1"),
[INFO] [stdout]     |                               --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `add_mnemonic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/gen.rs:31:53
[INFO] [stdout]     |
[INFO] [stdout] 31  |         $self.code.push_str(concat!("  ", $s, "\n"));
[INFO] [stdout]     |                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 537 |             Infix::Add => add_mnemonic!(self, "add rax, rdi"),
[INFO] [stdout]     |                           ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `add_mnemonic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/gen.rs:31:53
[INFO] [stdout]     |
[INFO] [stdout] 31  |         $self.code.push_str(concat!("  ", $s, "\n"));
[INFO] [stdout]     |                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 538 |             Infix::Sub => add_mnemonic!(self, "sub rax, rdi"),
[INFO] [stdout]     |                           ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `add_mnemonic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/gen.rs:31:53
[INFO] [stdout]     |
[INFO] [stdout] 31  |         $self.code.push_str(concat!("  ", $s, "\n"));
[INFO] [stdout]     |                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 539 |             Infix::Mul => add_mnemonic!(self, "imul rdi"),
[INFO] [stdout]     |                           ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `add_mnemonic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/gen.rs:31:53
[INFO] [stdout]     |
[INFO] [stdout] 31  |         $self.code.push_str(concat!("  ", $s, "\n"));
[INFO] [stdout]     |                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 549 |             Infix::BitAnd => add_mnemonic!(self, "and rax, rdi"),
[INFO] [stdout]     |                              ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `add_mnemonic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/gen.rs:31:53
[INFO] [stdout]     |
[INFO] [stdout] 31  |         $self.code.push_str(concat!("  ", $s, "\n"));
[INFO] [stdout]     |                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 550 |             Infix::BitOr => add_mnemonic!(self, "or rax, rdi"),
[INFO] [stdout]     |                             ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `add_mnemonic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/gen.rs:31:53
[INFO] [stdout]     |
[INFO] [stdout] 31  |         $self.code.push_str(concat!("  ", $s, "\n"));
[INFO] [stdout]     |                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 551 |             Infix::BitXor => add_mnemonic!(self, "xor rax, rdi"),
[INFO] [stdout]     |                              ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `add_mnemonic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/gen.rs:43:71
[INFO] [stdout]     |
[INFO] [stdout] 43  |         $self.code.push_str(&format!(concat!($prefix, "{}:\n"), $num));
[INFO] [stdout]     |                                                                       ^
[INFO] [stdout] ...
[INFO] [stdout] 914 |         add_label!(self, ".Lend", label_num)
[INFO] [stdout]     |         ------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]     = note: to ignore the value produced by the macro, add a semicolon after the invocation of `add_label`
[INFO] [stdout]     = note: this warning originates in the macro `add_label` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]     --> src/gen.rs:34:75
[INFO] [stdout]      |
[INFO] [stdout] 34   |         $self.code.push_str(&format!(concat!("  ", $fmt, "\n"), $($arg)*));
[INFO] [stdout]      |                                                                           ^
[INFO] [stdout] ...
[INFO] [stdout] 1112 |             (Type::Int, ExprKind::Literal(Literal::Number(num))) => add_mnemonic!(self, ".int {}", num),
[INFO] [stdout]      |                                                                     ----------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]      = note: this warning originates in the macro `add_mnemonic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]     --> src/gen.rs:34:75
[INFO] [stdout]      |
[INFO] [stdout] 34   |         $self.code.push_str(&format!(concat!("  ", $fmt, "\n"), $($arg)*));
[INFO] [stdout]      |                                                                           ^
[INFO] [stdout] ...
[INFO] [stdout] 1113 |             (Type::Char, ExprKind::Literal(Literal::Number(num))) => add_mnemonic!(self, ".byte {}", num),
[INFO] [stdout]      |                                                                      ------------------------------------ in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]      = note: this warning originates in the macro `add_mnemonic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]     --> src/gen.rs:34:75
[INFO] [stdout]      |
[INFO] [stdout] 34   |         $self.code.push_str(&format!(concat!("  ", $fmt, "\n"), $($arg)*));
[INFO] [stdout]      |                                                                           ^
[INFO] [stdout] ...
[INFO] [stdout] 1114 |             (Type::Short, ExprKind::Literal(Literal::Number(num))) => add_mnemonic!(self, ".value {}", num),
[INFO] [stdout]      |                                                                       ------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]      = note: this warning originates in the macro `add_mnemonic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]     --> src/gen.rs:34:75
[INFO] [stdout]      |
[INFO] [stdout] 34   |         $self.code.push_str(&format!(concat!("  ", $fmt, "\n"), $($arg)*));
[INFO] [stdout]      |                                                                           ^
[INFO] [stdout] ...
[INFO] [stdout] 1115 |             (Type::Long, ExprKind::Literal(Literal::Number(num))) => add_mnemonic!(self, ".quad {}", num),
[INFO] [stdout]      |                                                                      ------------------------------------ in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]      = note: this warning originates in the macro `add_mnemonic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]     --> src/gen.rs:34:75
[INFO] [stdout]      |
[INFO] [stdout] 34   |         $self.code.push_str(&format!(concat!("  ", $fmt, "\n"), $($arg)*));
[INFO] [stdout]      |                                                                           ^
[INFO] [stdout] ...
[INFO] [stdout] 1116 |             (Type::Pointer(_), ExprKind::Address(variable)) => add_mnemonic!(self, ".quad {}", self.id_map.name(&global!(variable))),
[INFO] [stdout]      |                                                                --------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]      = note: this warning originates in the macro `add_mnemonic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]     --> src/gen.rs:34:75
[INFO] [stdout]      |
[INFO] [stdout] 34   | ... "\n"), $($arg)*));
[INFO] [stdout]      |                      ^
[INFO] [stdout] ...
[INFO] [stdout] 1120 | ...r)), ExprKind::Literal(Literal::String(num))) => add_mnemonic!(self, ".quad .Ltext{}", num),
[INFO] [stdout]      |                                                     ------------------------------------------ in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]      = note: this warning originates in the macro `add_mnemonic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `bind_by_move_pattern_guards` has been stable since 1.39.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_patterns, bind_by_move_pattern_guards)]
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `pop_xmm` is never used
[INFO] [stdout]    --> src/gen.rs:152:8
[INFO] [stdout]     |
[INFO] [stdout] 56  | impl Generator {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 152 |     fn pop_xmm(&mut self, reg: &'static str) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `global_variables` is never read
[INFO] [stdout]    --> src/ast.rs:278:9
[INFO] [stdout]     |
[INFO] [stdout] 276 | pub struct Program {
[INFO] [stdout]     |            ------- field in this struct
[INFO] [stdout] 277 |     pub declarations: Vec<Declaration>,
[INFO] [stdout] 278 |     pub global_variables: Vec<Variable>,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Program` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `end_line` is never read
[INFO] [stdout]  --> src/error.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Span {
[INFO] [stdout]   |            ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 7 |     pub end_line: usize,
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Span` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/sema.rs:76:13
[INFO] [stdout]    |
[INFO] [stdout] 76 | /             mem::replace(expr, Expr {
[INFO] [stdout] 77 | |                 kind: ExprKind::Literal(Literal::Number(inner_expr.ty().get_size() as i64)),
[INFO] [stdout] 78 | |                 ty: Some(Type::Int),
[INFO] [stdout] 79 | |                 span: inner_expr.span.clone(),
[INFO] [stdout] 80 | |             });
[INFO] [stdout]    | |______________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 76 |             let _ = mem::replace(expr, Expr {
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.43s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rcc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "fe60ca916610bd495b6f47aeca3fa09a5ed76799d1537a3c664e074971710c33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe60ca916610bd495b6f47aeca3fa09a5ed76799d1537a3c664e074971710c33", kill_on_drop: false }`
[INFO] [stdout] fe60ca916610bd495b6f47aeca3fa09a5ed76799d1537a3c664e074971710c33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58fa9c303828ad40c4162da4884e9c47bd59f3fdddebd0c53baa3dc7ed9032e8
[INFO] running `Command { std: "docker" "start" "-a" "58fa9c303828ad40c4162da4884e9c47bd59f3fdddebd0c53baa3dc7ed9032e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling rcc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/gen.rs:34:75
[INFO] [stdout]     |
[INFO] [stdout] 34  |         $self.code.push_str(&format!(concat!("  ", $fmt, "\n"), $($arg)*));
[INFO] [stdout]     |                                                                           ^
[INFO] [stdout] ...
[INFO] [stdout] 144 |             Type::Float => add_mnemonic!(self, "movss [rsp], {}", reg),
[INFO] [stdout]     |                            ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `add_mnemonic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/gen.rs:34:75
[INFO] [stdout]     |
[INFO] [stdout] 34  |         $self.code.push_str(&format!(concat!("  ", $fmt, "\n"), $($arg)*));
[INFO] [stdout]     |                                                                           ^
[INFO] [stdout] ...
[INFO] [stdout] 145 |             Type::Double => add_mnemonic!(self, "movsd [rsp], {}", reg),
[INFO] [stdout]     |                             ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `add_mnemonic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/gen.rs:34:75
[INFO] [stdout]     |
[INFO] [stdout] 34  |         $self.code.push_str(&format!(concat!("  ", $fmt, "\n"), $($arg)*));
[INFO] [stdout]     |                                                                           ^
[INFO] [stdout] ...
[INFO] [stdout] 166 |                     Location::Local(offset) => add_mnemonic!(self, "mov rax, [rbp-{}]", offset),
[INFO] [stdout]     |                                                ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `add_mnemonic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/gen.rs:34:75
[INFO] [stdout]     |
[INFO] [stdout] 34  |         $self.code.push_str(&format!(concat!("  ", $fmt, "\n"), $($arg)*));
[INFO] [stdout]     |                                                                           ^
[INFO] [stdout] ...
[INFO] [stdout] 187 |                     Location::Local(offset) => add_mnemonic!(self, "lea rax, [rbp-{}]", offset),
[INFO] [stdout]     |                                                ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `add_mnemonic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/gen.rs:34:75
[INFO] [stdout]     |
[INFO] [stdout] 34  |         $self.code.push_str(&format!(concat!("  ", $fmt, "\n"), $($arg)*));
[INFO] [stdout]     |                                                                           ^
[INFO] [stdout] ...
[INFO] [stdout] 188 |                     Location::Global(name) => add_mnemonic!(self, "lea rax, {}", self.id_map.name(&name)),
[INFO] [stdout]     |                                               ----------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `add_mnemonic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/gen.rs:31:53
[INFO] [stdout]     |
[INFO] [stdout] 31  |         $self.code.push_str(concat!("  ", $s, "\n"));
[INFO] [stdout]     |                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 408 |             Infix::Add => add_mnemonic!(self, "addsd xmm0, xmm1"),
[INFO] [stdout]     |                           --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `add_mnemonic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/gen.rs:31:53
[INFO] [stdout]     |
[INFO] [stdout] 31  |         $self.code.push_str(concat!("  ", $s, "\n"));
[INFO] [stdout]     |                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 409 |             Infix::Sub => add_mnemonic!(self, "subsd xmm0, xmm1"),
[INFO] [stdout]     |                           --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `add_mnemonic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/gen.rs:31:53
[INFO] [stdout]     |
[INFO] [stdout] 31  |         $self.code.push_str(concat!("  ", $s, "\n"));
[INFO] [stdout]     |                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 410 |             Infix::Mul => add_mnemonic!(self, "mulsd xmm0, xmm1"),
[INFO] [stdout]     |                           --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `add_mnemonic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/gen.rs:31:53
[INFO] [stdout]     |
[INFO] [stdout] 31  |         $self.code.push_str(concat!("  ", $s, "\n"));
[INFO] [stdout]     |                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 411 |             Infix::Div => add_mnemonic!(self, "divsd xmm0, xmm1"),
[INFO] [stdout]     |                           --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `add_mnemonic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/gen.rs:31:53
[INFO] [stdout]     |
[INFO] [stdout] 31  |         $self.code.push_str(concat!("  ", $s, "\n"));
[INFO] [stdout]     |                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 460 |                 Infix::Add => add_mnemonic!(self, "addss xmm0, xmm1"),
[INFO] [stdout]     |                               --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `add_mnemonic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/gen.rs:31:53
[INFO] [stdout]     |
[INFO] [stdout] 31  |         $self.code.push_str(concat!("  ", $s, "\n"));
[INFO] [stdout]     |                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 461 |                 Infix::Sub => add_mnemonic!(self, "subss xmm0, xmm1"),
[INFO] [stdout]     |                               --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `add_mnemonic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/gen.rs:31:53
[INFO] [stdout]     |
[INFO] [stdout] 31  |         $self.code.push_str(concat!("  ", $s, "\n"));
[INFO] [stdout]     |                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 462 |                 Infix::Mul => add_mnemonic!(self, "mulss xmm0, xmm1"),
[INFO] [stdout]     |                               --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `add_mnemonic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/gen.rs:31:53
[INFO] [stdout]     |
[INFO] [stdout] 31  |         $self.code.push_str(concat!("  ", $s, "\n"));
[INFO] [stdout]     |                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 463 |                 Infix::Div => add_mnemonic!(self, "divss xmm0, xmm1"),
[INFO] [stdout]     |                               --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `add_mnemonic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/gen.rs:31:53
[INFO] [stdout]     |
[INFO] [stdout] 31  |         $self.code.push_str(concat!("  ", $s, "\n"));
[INFO] [stdout]     |                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 537 |             Infix::Add => add_mnemonic!(self, "add rax, rdi"),
[INFO] [stdout]     |                           ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `add_mnemonic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/gen.rs:31:53
[INFO] [stdout]     |
[INFO] [stdout] 31  |         $self.code.push_str(concat!("  ", $s, "\n"));
[INFO] [stdout]     |                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 538 |             Infix::Sub => add_mnemonic!(self, "sub rax, rdi"),
[INFO] [stdout]     |                           ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `add_mnemonic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/gen.rs:31:53
[INFO] [stdout]     |
[INFO] [stdout] 31  |         $self.code.push_str(concat!("  ", $s, "\n"));
[INFO] [stdout]     |                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 539 |             Infix::Mul => add_mnemonic!(self, "imul rdi"),
[INFO] [stdout]     |                           ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `add_mnemonic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/gen.rs:31:53
[INFO] [stdout]     |
[INFO] [stdout] 31  |         $self.code.push_str(concat!("  ", $s, "\n"));
[INFO] [stdout]     |                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 549 |             Infix::BitAnd => add_mnemonic!(self, "and rax, rdi"),
[INFO] [stdout]     |                              ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `add_mnemonic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/gen.rs:31:53
[INFO] [stdout]     |
[INFO] [stdout] 31  |         $self.code.push_str(concat!("  ", $s, "\n"));
[INFO] [stdout]     |                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 550 |             Infix::BitOr => add_mnemonic!(self, "or rax, rdi"),
[INFO] [stdout]     |                             ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `add_mnemonic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/gen.rs:31:53
[INFO] [stdout]     |
[INFO] [stdout] 31  |         $self.code.push_str(concat!("  ", $s, "\n"));
[INFO] [stdout]     |                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 551 |             Infix::BitXor => add_mnemonic!(self, "xor rax, rdi"),
[INFO] [stdout]     |                              ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `add_mnemonic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/gen.rs:43:71
[INFO] [stdout]     |
[INFO] [stdout] 43  |         $self.code.push_str(&format!(concat!($prefix, "{}:\n"), $num));
[INFO] [stdout]     |                                                                       ^
[INFO] [stdout] ...
[INFO] [stdout] 914 |         add_label!(self, ".Lend", label_num)
[INFO] [stdout]     |         ------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]     = note: to ignore the value produced by the macro, add a semicolon after the invocation of `add_label`
[INFO] [stdout]     = note: this warning originates in the macro `add_label` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]     --> src/gen.rs:34:75
[INFO] [stdout]      |
[INFO] [stdout] 34   |         $self.code.push_str(&format!(concat!("  ", $fmt, "\n"), $($arg)*));
[INFO] [stdout]      |                                                                           ^
[INFO] [stdout] ...
[INFO] [stdout] 1112 |             (Type::Int, ExprKind::Literal(Literal::Number(num))) => add_mnemonic!(self, ".int {}", num),
[INFO] [stdout]      |                                                                     ----------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]      = note: this warning originates in the macro `add_mnemonic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]     --> src/gen.rs:34:75
[INFO] [stdout]      |
[INFO] [stdout] 34   |         $self.code.push_str(&format!(concat!("  ", $fmt, "\n"), $($arg)*));
[INFO] [stdout]      |                                                                           ^
[INFO] [stdout] ...
[INFO] [stdout] 1113 |             (Type::Char, ExprKind::Literal(Literal::Number(num))) => add_mnemonic!(self, ".byte {}", num),
[INFO] [stdout]      |                                                                      ------------------------------------ in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]      = note: this warning originates in the macro `add_mnemonic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]     --> src/gen.rs:34:75
[INFO] [stdout]      |
[INFO] [stdout] 34   |         $self.code.push_str(&format!(concat!("  ", $fmt, "\n"), $($arg)*));
[INFO] [stdout]      |                                                                           ^
[INFO] [stdout] ...
[INFO] [stdout] 1114 |             (Type::Short, ExprKind::Literal(Literal::Number(num))) => add_mnemonic!(self, ".value {}", num),
[INFO] [stdout]      |                                                                       ------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]      = note: this warning originates in the macro `add_mnemonic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]     --> src/gen.rs:34:75
[INFO] [stdout]      |
[INFO] [stdout] 34   |         $self.code.push_str(&format!(concat!("  ", $fmt, "\n"), $($arg)*));
[INFO] [stdout]      |                                                                           ^
[INFO] [stdout] ...
[INFO] [stdout] 1115 |             (Type::Long, ExprKind::Literal(Literal::Number(num))) => add_mnemonic!(self, ".quad {}", num),
[INFO] [stdout]      |                                                                      ------------------------------------ in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]      = note: this warning originates in the macro `add_mnemonic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]     --> src/gen.rs:34:75
[INFO] [stdout]      |
[INFO] [stdout] 34   |         $self.code.push_str(&format!(concat!("  ", $fmt, "\n"), $($arg)*));
[INFO] [stdout]      |                                                                           ^
[INFO] [stdout] ...
[INFO] [stdout] 1116 |             (Type::Pointer(_), ExprKind::Address(variable)) => add_mnemonic!(self, ".quad {}", self.id_map.name(&global!(variable))),
[INFO] [stdout]      |                                                                --------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]      = note: this warning originates in the macro `add_mnemonic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]     --> src/gen.rs:34:75
[INFO] [stdout]      |
[INFO] [stdout] 34   | ... "\n"), $($arg)*));
[INFO] [stdout]      |                      ^
[INFO] [stdout] ...
[INFO] [stdout] 1120 | ...r)), ExprKind::Literal(Literal::String(num))) => add_mnemonic!(self, ".quad .Ltext{}", num),
[INFO] [stdout]      |                                                     ------------------------------------------ in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]      = note: this warning originates in the macro `add_mnemonic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `bind_by_move_pattern_guards` has been stable since 1.39.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_patterns, bind_by_move_pattern_guards)]
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `pop_xmm` is never used
[INFO] [stdout]    --> src/gen.rs:152:8
[INFO] [stdout]     |
[INFO] [stdout] 56  | impl Generator {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 152 |     fn pop_xmm(&mut self, reg: &'static str) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `global_variables` is never read
[INFO] [stdout]    --> src/ast.rs:278:9
[INFO] [stdout]     |
[INFO] [stdout] 276 | pub struct Program {
[INFO] [stdout]     |            ------- field in this struct
[INFO] [stdout] 277 |     pub declarations: Vec<Declaration>,
[INFO] [stdout] 278 |     pub global_variables: Vec<Variable>,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Program` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `end_line` is never read
[INFO] [stdout]  --> src/error.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Span {
[INFO] [stdout]   |            ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 7 |     pub end_line: usize,
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Span` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/sema.rs:76:13
[INFO] [stdout]    |
[INFO] [stdout] 76 | /             mem::replace(expr, Expr {
[INFO] [stdout] 77 | |                 kind: ExprKind::Literal(Literal::Number(inner_expr.ty().get_size() as i64)),
[INFO] [stdout] 78 | |                 ty: Some(Type::Int),
[INFO] [stdout] 79 | |                 span: inner_expr.span.clone(),
[INFO] [stdout] 80 | |             });
[INFO] [stdout]    | |______________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 76 |             let _ = mem::replace(expr, Expr {
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rcc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "58fa9c303828ad40c4162da4884e9c47bd59f3fdddebd0c53baa3dc7ed9032e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58fa9c303828ad40c4162da4884e9c47bd59f3fdddebd0c53baa3dc7ed9032e8", kill_on_drop: false }`
[INFO] [stdout] 58fa9c303828ad40c4162da4884e9c47bd59f3fdddebd0c53baa3dc7ed9032e8