[INFO] cloning repository https://github.com/Lapz/undisclosed
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Lapz/undisclosed" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLapz%2Fundisclosed", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLapz%2Fundisclosed'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cc2efbcffb4d63245c74338ea9b314881df18d92
[INFO] checking Lapz/undisclosed/cc2efbcffb4d63245c74338ea9b314881df18d92 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLapz%2Fundisclosed" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Lapz/undisclosed on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Lapz/undisclosed
[INFO] finished tweaking git repo https://github.com/Lapz/undisclosed
[INFO] tweaked toml for git repo https://github.com/Lapz/undisclosed written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Lapz/undisclosed 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: /workspace/builds/worker-7-tc2/source/underscore_syntax/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr] warning: /workspace/builds/worker-7-tc2/source/underscore_x86/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr] warning: /workspace/builds/worker-7-tc2/source/underscore_ir/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr] warning: /workspace/builds/worker-7-tc2/source/underscore_vm/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr] warning: /workspace/builds/worker-7-tc2/source/underscore_util/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr] warning: /workspace/builds/worker-7-tc2/source/underscore/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr] warning: /workspace/builds/worker-7-tc2/source/underscore_semant/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c378ba1b0d85c6a64b5da2d40c899d93b1391c7cc1f374a1f740328028240055
[INFO] running `Command { std: "docker" "start" "-a" "c378ba1b0d85c6a64b5da2d40c899d93b1391c7cc1f374a1f740328028240055", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c378ba1b0d85c6a64b5da2d40c899d93b1391c7cc1f374a1f740328028240055", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c378ba1b0d85c6a64b5da2d40c899d93b1391c7cc1f374a1f740328028240055", kill_on_drop: false }`
[INFO] [stdout] c378ba1b0d85c6a64b5da2d40c899d93b1391c7cc1f374a1f740328028240055
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b49349dc0d6edb8ccd8382f13c0d4f2326fdd1be34672aac7e446c28a2a9b6b
[INFO] running `Command { std: "docker" "start" "-a" "8b49349dc0d6edb8ccd8382f13c0d4f2326fdd1be34672aac7e446c28a2a9b6b", kill_on_drop: false }`
[INFO] [stderr] warning: /opt/rustwide/workdir/underscore_semant/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr] warning: /opt/rustwide/workdir/underscore_x86/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr] warning: /opt/rustwide/workdir/underscore_ir/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr] warning: /opt/rustwide/workdir/underscore/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr] warning: /opt/rustwide/workdir/underscore_syntax/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr] warning: /opt/rustwide/workdir/underscore_util/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr] warning: /opt/rustwide/workdir/underscore_vm/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking libc v0.2.36
[INFO] [stderr]     Checking ansi_term v0.10.2
[INFO] [stderr]     Checking rand_core v0.1.0-pre.0
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking bitflags v1.0.1
[INFO] [stderr]     Checking same-file v1.0.2
[INFO] [stderr]     Checking underscore_vm v0.1.0 (/opt/rustwide/workdir/underscore_vm)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> underscore_vm/src/op.rs:34:17
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn try_from(T) -> Result<Self, Self::Error>;
[INFO] [stdout]    |                 ^ help: try naming the parameter or explicitly ignoring it: `_: T`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking underscore_util v0.1.0 (/opt/rustwide/workdir/underscore_util)
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> underscore_vm/src/op.rs:34:17
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn try_from(T) -> Result<Self, Self::Error>;
[INFO] [stdout]    |                 ^ help: try naming the parameter or explicitly ignoring it: `_: T`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> underscore_vm/src/vm.rs:29:13
[INFO] [stdout]     |
[INFO] [stdout] 29  |         let mut b = &mut$stack[$from..($from + $to)];
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 142 |                     push!(&self.code.constants[index..index+1] => self.stack,[self.stack_top,1]);
[INFO] [stdout]     |                     ---------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `push` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> underscore_vm/src/vm.rs:29:13
[INFO] [stdout]     |
[INFO] [stdout] 29  |         let mut b = &mut$stack[$from..($from + $to)];
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 152 |                     push!(&self.code.constants[index..index+4] => self.stack,[self.stack_top,4]);
[INFO] [stdout]     |                     ---------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `push` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> underscore_vm/src/vm.rs:29:13
[INFO] [stdout]     |
[INFO] [stdout] 29  |         let mut b = &mut$stack[$from..($from + $to)];
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 162 |                     push!(&self.code.constants[index..index+8] => self.stack,[self.stack_top,8]);
[INFO] [stdout]     |                     ---------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `push` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> underscore_vm/src/vm.rs:29:13
[INFO] [stdout]     |
[INFO] [stdout] 29  |         let mut b = &mut$stack[$from..($from + $to)];
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 177 |                             push!( &to_bytes!(-a => i8)     => self.stack,[self.stack_top,size]);
[INFO] [stdout]     |                             -------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `push` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> underscore_vm/src/vm.rs:29:13
[INFO] [stdout]     |
[INFO] [stdout] 29  |         let mut b = &mut$stack[$from..($from + $to)];
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 182 |                             push!( &to_bytes!(-a => i32)     => self.stack,[self.stack_top,size]);
[INFO] [stdout]     |                             --------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `push` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> underscore_vm/src/vm.rs:29:13
[INFO] [stdout]     |
[INFO] [stdout] 29  |         let mut b = &mut$stack[$from..($from + $to)];
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 187 |                             push!( &to_bytes!(-a => i64)     => self.stack,[self.stack_top,size]);
[INFO] [stdout]     |                             --------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `push` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> underscore_vm/src/vm.rs:29:13
[INFO] [stdout]     |
[INFO] [stdout] 29  |         let mut b = &mut$stack[$from..($from + $to)];
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 193 |                 Ok(OpCode::Add) => binary_op!(+,self),
[INFO] [stdout]     |                                    ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `push` which comes from the expansion of the macro `binary_op` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> underscore_vm/src/vm.rs:29:13
[INFO] [stdout]     |
[INFO] [stdout] 29  |         let mut b = &mut$stack[$from..($from + $to)];
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 193 |                 Ok(OpCode::Add) => binary_op!(+,self),
[INFO] [stdout]     |                                    ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `push` which comes from the expansion of the macro `binary_op` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> underscore_vm/src/vm.rs:29:13
[INFO] [stdout]     |
[INFO] [stdout] 29  |         let mut b = &mut$stack[$from..($from + $to)];
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 193 |                 Ok(OpCode::Add) => binary_op!(+,self),
[INFO] [stdout]     |                                    ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `push` which comes from the expansion of the macro `binary_op` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> underscore_vm/src/vm.rs:29:13
[INFO] [stdout]     |
[INFO] [stdout] 29  |         let mut b = &mut$stack[$from..($from + $to)];
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 194 |                 Ok(OpCode::Divide) => binary_op!(/,self),
[INFO] [stdout]     |                                       ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `push` which comes from the expansion of the macro `binary_op` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> underscore_vm/src/vm.rs:29:13
[INFO] [stdout]     |
[INFO] [stdout] 29  |         let mut b = &mut$stack[$from..($from + $to)];
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 194 |                 Ok(OpCode::Divide) => binary_op!(/,self),
[INFO] [stdout]     |                                       ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `push` which comes from the expansion of the macro `binary_op` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> underscore_vm/src/vm.rs:29:13
[INFO] [stdout]     |
[INFO] [stdout] 29  |         let mut b = &mut$stack[$from..($from + $to)];
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 194 |                 Ok(OpCode::Divide) => binary_op!(/,self),
[INFO] [stdout]     |                                       ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `push` which comes from the expansion of the macro `binary_op` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking walkdir v2.1.3
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> underscore_vm/src/vm.rs:29:13
[INFO] [stdout]     |
[INFO] [stdout] 29  |         let mut b = &mut$stack[$from..($from + $to)];
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 195 |                 Ok(OpCode::Multiply) => binary_op!(*,self),
[INFO] [stdout]     |                                         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `push` which comes from the expansion of the macro `binary_op` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> underscore_vm/src/vm.rs:29:13
[INFO] [stdout]     |
[INFO] [stdout] 29  |         let mut b = &mut$stack[$from..($from + $to)];
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 195 |                 Ok(OpCode::Multiply) => binary_op!(*,self),
[INFO] [stdout]     |                                         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `push` which comes from the expansion of the macro `binary_op` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> underscore_vm/src/vm.rs:29:13
[INFO] [stdout]     |
[INFO] [stdout] 29  |         let mut b = &mut$stack[$from..($from + $to)];
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 195 |                 Ok(OpCode::Multiply) => binary_op!(*,self),
[INFO] [stdout]     |                                         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `push` which comes from the expansion of the macro `binary_op` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> underscore_vm/src/vm.rs:29:13
[INFO] [stdout]     |
[INFO] [stdout] 29  |         let mut b = &mut$stack[$from..($from + $to)];
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 196 |                 Ok(OpCode::Subtract) => binary_op!(-,self),
[INFO] [stdout]     |                                         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `push` which comes from the expansion of the macro `binary_op` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> underscore_vm/src/vm.rs:29:13
[INFO] [stdout]     |
[INFO] [stdout] 29  |         let mut b = &mut$stack[$from..($from + $to)];
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 196 |                 Ok(OpCode::Subtract) => binary_op!(-,self),
[INFO] [stdout]     |                                         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `push` which comes from the expansion of the macro `binary_op` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> underscore_vm/src/vm.rs:29:13
[INFO] [stdout]     |
[INFO] [stdout] 29  |         let mut b = &mut$stack[$from..($from + $to)];
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 196 |                 Ok(OpCode::Subtract) => binary_op!(-,self),
[INFO] [stdout]     |                                         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `push` which comes from the expansion of the macro `binary_op` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> underscore_vm/src/vm.rs:29:13
[INFO] [stdout]     |
[INFO] [stdout] 29  |         let mut b = &mut$stack[$from..($from + $to)];
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 142 |                     push!(&self.code.constants[index..index+1] => self.stack,[self.stack_top,1]);
[INFO] [stdout]     |                     ---------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `push` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> underscore_vm/src/vm.rs:29:13
[INFO] [stdout]     |
[INFO] [stdout] 29  |         let mut b = &mut$stack[$from..($from + $to)];
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 152 |                     push!(&self.code.constants[index..index+4] => self.stack,[self.stack_top,4]);
[INFO] [stdout]     |                     ---------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `push` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> underscore_vm/src/vm.rs:29:13
[INFO] [stdout]     |
[INFO] [stdout] 29  |         let mut b = &mut$stack[$from..($from + $to)];
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 162 |                     push!(&self.code.constants[index..index+8] => self.stack,[self.stack_top,8]);
[INFO] [stdout]     |                     ---------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `push` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> underscore_vm/src/vm.rs:29:13
[INFO] [stdout]     |
[INFO] [stdout] 29  |         let mut b = &mut$stack[$from..($from + $to)];
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 177 |                             push!( &to_bytes!(-a => i8)     => self.stack,[self.stack_top,size]);
[INFO] [stdout]     |                             -------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `push` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> underscore_vm/src/vm.rs:29:13
[INFO] [stdout]     |
[INFO] [stdout] 29  |         let mut b = &mut$stack[$from..($from + $to)];
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 182 |                             push!( &to_bytes!(-a => i32)     => self.stack,[self.stack_top,size]);
[INFO] [stdout]     |                             --------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `push` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> underscore_vm/src/vm.rs:29:13
[INFO] [stdout]     |
[INFO] [stdout] 29  |         let mut b = &mut$stack[$from..($from + $to)];
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 187 |                             push!( &to_bytes!(-a => i64)     => self.stack,[self.stack_top,size]);
[INFO] [stdout]     |                             --------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `push` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> underscore_vm/src/vm.rs:29:13
[INFO] [stdout]     |
[INFO] [stdout] 29  |         let mut b = &mut$stack[$from..($from + $to)];
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 193 |                 Ok(OpCode::Add) => binary_op!(+,self),
[INFO] [stdout]     |                                    ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `push` which comes from the expansion of the macro `binary_op` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> underscore_vm/src/vm.rs:29:13
[INFO] [stdout]     |
[INFO] [stdout] 29  |         let mut b = &mut$stack[$from..($from + $to)];
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 193 |                 Ok(OpCode::Add) => binary_op!(+,self),
[INFO] [stdout]     |                                    ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `push` which comes from the expansion of the macro `binary_op` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> underscore_vm/src/vm.rs:29:13
[INFO] [stdout]     |
[INFO] [stdout] 29  |         let mut b = &mut$stack[$from..($from + $to)];
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 193 |                 Ok(OpCode::Add) => binary_op!(+,self),
[INFO] [stdout]     |                                    ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `push` which comes from the expansion of the macro `binary_op` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> underscore_vm/src/vm.rs:29:13
[INFO] [stdout]     |
[INFO] [stdout] 29  |         let mut b = &mut$stack[$from..($from + $to)];
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 194 |                 Ok(OpCode::Divide) => binary_op!(/,self),
[INFO] [stdout]     |                                       ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `push` which comes from the expansion of the macro `binary_op` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> underscore_vm/src/vm.rs:29:13
[INFO] [stdout]     |
[INFO] [stdout] 29  |         let mut b = &mut$stack[$from..($from + $to)];
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 194 |                 Ok(OpCode::Divide) => binary_op!(/,self),
[INFO] [stdout]     |                                       ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `push` which comes from the expansion of the macro `binary_op` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> underscore_vm/src/vm.rs:29:13
[INFO] [stdout]     |
[INFO] [stdout] 29  |         let mut b = &mut$stack[$from..($from + $to)];
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 194 |                 Ok(OpCode::Divide) => binary_op!(/,self),
[INFO] [stdout]     |                                       ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `push` which comes from the expansion of the macro `binary_op` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> underscore_vm/src/vm.rs:29:13
[INFO] [stdout]     |
[INFO] [stdout] 29  |         let mut b = &mut$stack[$from..($from + $to)];
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 195 |                 Ok(OpCode::Multiply) => binary_op!(*,self),
[INFO] [stdout]     |                                         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `push` which comes from the expansion of the macro `binary_op` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> underscore_vm/src/vm.rs:29:13
[INFO] [stdout]     |
[INFO] [stdout] 29  |         let mut b = &mut$stack[$from..($from + $to)];
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 195 |                 Ok(OpCode::Multiply) => binary_op!(*,self),
[INFO] [stdout]     |                                         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `push` which comes from the expansion of the macro `binary_op` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> underscore_vm/src/vm.rs:29:13
[INFO] [stdout]     |
[INFO] [stdout] 29  |         let mut b = &mut$stack[$from..($from + $to)];
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 195 |                 Ok(OpCode::Multiply) => binary_op!(*,self),
[INFO] [stdout]     |                                         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `push` which comes from the expansion of the macro `binary_op` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> underscore_vm/src/vm.rs:29:13
[INFO] [stdout]     |
[INFO] [stdout] 29  |         let mut b = &mut$stack[$from..($from + $to)];
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 196 |                 Ok(OpCode::Subtract) => binary_op!(-,self),
[INFO] [stdout]     |                                         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `push` which comes from the expansion of the macro `binary_op` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> underscore_vm/src/vm.rs:29:13
[INFO] [stdout]     |
[INFO] [stdout] 29  |         let mut b = &mut$stack[$from..($from + $to)];
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 196 |                 Ok(OpCode::Subtract) => binary_op!(-,self),
[INFO] [stdout]     |                                         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `push` which comes from the expansion of the macro `binary_op` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> underscore_vm/src/vm.rs:29:13
[INFO] [stdout]     |
[INFO] [stdout] 29  |         let mut b = &mut$stack[$from..($from + $to)];
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 196 |                 Ok(OpCode::Subtract) => binary_op!(-,self),
[INFO] [stdout]     |                                         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `push` which comes from the expansion of the macro `binary_op` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rand v0.5.0-pre.0
[INFO] [stderr]     Checking atty v0.2.6
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking clap v2.30.0
[INFO] [stderr]     Checking underscore_syntax v0.1.0 (/opt/rustwide/workdir/underscore_syntax)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> underscore_syntax/src/lexer.rs:62:55
[INFO] [stdout]    |
[INFO] [stdout] 60 | impl<'a> Lexer<'a> {
[INFO] [stdout]    |      -- lifetime `'a` declared here
[INFO] [stdout] 61 |     /// Returns a new Lexer
[INFO] [stdout] 62 |     pub fn new(input: &'a str, reporter: Reporter) -> Lexer {
[INFO] [stdout]    |                                                       ^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> underscore_syntax/src/lexer.rs:62:55
[INFO] [stdout]    |
[INFO] [stdout] 60 | impl<'a> Lexer<'a> {
[INFO] [stdout]    |      -- lifetime `'a` declared here
[INFO] [stdout] 61 |     /// Returns a new Lexer
[INFO] [stdout] 62 |     pub fn new(input: &'a str, reporter: Reporter) -> Lexer {
[INFO] [stdout]    |                                                       ^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling structopt-derive v0.1.6
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking underscore_ir v0.1.0 (/opt/rustwide/workdir/underscore_ir)
[INFO] [stdout] warning: creating a shared reference to mutable static is discouraged
[INFO] [stdout]    --> underscore_ir/src/ir.rs:176:62
[INFO] [stdout]     |
[INFO] [stdout] 176 |         let label = symbols.symbol(&format!("l_{}_{}", name, LABEL_COUNT));
[INFO] [stdout]     |                                                              ^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: `#[warn(static_mut_refs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static is discouraged
[INFO] [stdout]    --> underscore_ir/src/ir.rs:189:63
[INFO] [stdout]     |
[INFO] [stdout] 189 |         let label1 = symbols.symbol(&format!("l_{}_{}", name, LABEL_COUNT));
[INFO] [stdout]     |                                                               ^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static is discouraged
[INFO] [stdout]    --> underscore_ir/src/ir.rs:190:64
[INFO] [stdout]     |
[INFO] [stdout] 190 |         let label2 = symbols.symbol(&format!("l_{}_{}", name2, LABEL_COUNT));
[INFO] [stdout]     |                                                                ^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static is discouraged
[INFO] [stdout]    --> underscore_ir/src/ir.rs:176:62
[INFO] [stdout]     |
[INFO] [stdout] 176 |         let label = symbols.symbol(&format!("l_{}_{}", name, LABEL_COUNT));
[INFO] [stdout]     |                                                              ^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: `#[warn(static_mut_refs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static is discouraged
[INFO] [stdout]    --> underscore_ir/src/ir.rs:189:63
[INFO] [stdout]     |
[INFO] [stdout] 189 |         let label1 = symbols.symbol(&format!("l_{}_{}", name, LABEL_COUNT));
[INFO] [stdout]     |                                                               ^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static is discouraged
[INFO] [stdout]    --> underscore_ir/src/ir.rs:190:64
[INFO] [stdout]     |
[INFO] [stdout] 190 |         let label2 = symbols.symbol(&format!("l_{}_{}", name2, LABEL_COUNT));
[INFO] [stdout]     |                                                                ^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking underscore_semant v0.1.0 (/opt/rustwide/workdir/underscore_semant)
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking underscore_x86 v0.1.0 (/opt/rustwide/workdir/underscore_x86)
[INFO] [stdout] warning: unused variable: `escapes`
[INFO] [stdout]    --> underscore_semant/src/infer/function.rs:260:17
[INFO] [stdout]     |
[INFO] [stdout] 260 |                 ref escapes,
[INFO] [stdout]     |                 ^^^^^^^^^^^ help: try ignoring the field: `escapes: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `escapes`
[INFO] [stdout]    --> underscore_semant/src/infer/function.rs:260:17
[INFO] [stdout]     |
[INFO] [stdout] 260 |                 ref escapes,
[INFO] [stdout]     |                 ^^^^^^^^^^^ help: try ignoring the field: `escapes: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> underscore_semant/src/infer/types.rs:60:21
[INFO] [stdout]    |
[INFO] [stdout] 60 |                 let mut ty = if let Some(ty) = env.look_type(ident.value).cloned() {
[INFO] [stdout]    |                     ----^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> underscore_semant/src/monomorphize.rs:149:25
[INFO] [stdout]     |
[INFO] [stdout] 149 |                     let mut new_sym = env.symbol(&name);
[INFO] [stdout]     |                         ----^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> underscore_semant/src/monomorphize.rs:152:29
[INFO] [stdout]     |
[INFO] [stdout] 152 |                         let mut defs = self.new_defs.get_mut(&symbol).unwrap();
[INFO] [stdout]     |                             ----^^^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> underscore_semant/src/monomorphize.rs:238:25
[INFO] [stdout]     |
[INFO] [stdout] 238 |                     let mut new_sym = env.symbol(&name);
[INFO] [stdout]     |                         ----^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> underscore_semant/src/monomorphize.rs:325:21
[INFO] [stdout]     |
[INFO] [stdout] 325 |                 for mut statement in statements {
[INFO] [stdout]     |                     ----^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> underscore_semant/src/infer/types.rs:60:21
[INFO] [stdout]    |
[INFO] [stdout] 60 |                 let mut ty = if let Some(ty) = env.look_type(ident.value).cloned() {
[INFO] [stdout]    |                     ----^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> underscore_semant/src/monomorphize.rs:149:25
[INFO] [stdout]     |
[INFO] [stdout] 149 |                     let mut new_sym = env.symbol(&name);
[INFO] [stdout]     |                         ----^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> underscore_semant/src/monomorphize.rs:152:29
[INFO] [stdout]     |
[INFO] [stdout] 152 |                         let mut defs = self.new_defs.get_mut(&symbol).unwrap();
[INFO] [stdout]     |                             ----^^^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> underscore_semant/src/monomorphize.rs:238:25
[INFO] [stdout]     |
[INFO] [stdout] 238 |                     let mut new_sym = env.symbol(&name);
[INFO] [stdout]     |                         ----^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> underscore_semant/src/monomorphize.rs:325:21
[INFO] [stdout]     |
[INFO] [stdout] 325 |                 for mut statement in statements {
[INFO] [stdout]     |                     ----^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `span` and `linkage` are never read
[INFO] [stdout]   --> underscore_semant/src/ast/lowered.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Function {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 14 |     pub span: Span,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub linkage: Linkage,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Function` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FindEscape` is never constructed
[INFO] [stdout]  --> underscore_semant/src/escape.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct FindEscape {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> underscore_semant/src/escape.rs:11:12
[INFO] [stdout]     |
[INFO] [stdout] 10  | impl FindEscape {
[INFO] [stdout]     | --------------- associated items in this implementation
[INFO] [stdout] 11  |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 14  |     pub fn find_escape(
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25  |     fn escape_function(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33  |     fn check_ident(&mut self, ident: Symbol, env: &mut Symbols<(u32, bool)>) -> InferResult<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 50  |     fn escape_statement(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 112 |     fn escape_expression(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 196 |     fn check_var(&mut self, var: &Spanned<Var>, env: &mut Symbols<(u32, bool)>) -> InferResult<()> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `span` and `linkage` are never read
[INFO] [stdout]   --> underscore_semant/src/ast/lowered.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Function {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 14 |     pub span: Span,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub linkage: Linkage,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Function` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FindEscape` is never constructed
[INFO] [stdout]  --> underscore_semant/src/escape.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct FindEscape {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> underscore_semant/src/escape.rs:11:12
[INFO] [stdout]     |
[INFO] [stdout] 10  | impl FindEscape {
[INFO] [stdout]     | --------------- associated items in this implementation
[INFO] [stdout] 11  |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 14  |     pub fn find_escape(
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25  |     fn escape_function(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33  |     fn check_ident(&mut self, ident: Symbol, env: &mut Symbols<(u32, bool)>) -> InferResult<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 50  |     fn escape_statement(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 112 |     fn escape_expression(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 196 |     fn check_var(&mut self, var: &Spanned<Var>, env: &mut Symbols<(u32, bool)>) -> InferResult<()> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking structopt v0.1.7
[INFO] [stderr]     Checking underscore v0.1.0 (/opt/rustwide/workdir/underscore)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> underscore/src/main.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> underscore/src/main.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> underscore/src/main.rs:97:12
[INFO] [stdout]    |
[INFO] [stdout] 97 |         Ok(mut ast) => {
[INFO] [stdout]    |            ----^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]    --> underscore/src/main.rs:167:10
[INFO] [stdout]     |
[INFO] [stdout] 167 | #[derive(StructOpt, Debug)]
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout]     |          |
[INFO] [stdout]     |          `Cli` is not local
[INFO] [stdout]     |          `StructOpt` is not local
[INFO] [stdout]     |          move the `impl` block outside of this constant `_IMPL_STRUCTOPT_FOR_Cli`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the derive macro `StructOpt` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]     = note: the derive macro `StructOpt` may come from an old version of the `structopt_derive` crate, try updating your dependency with `cargo update -p structopt_derive`
[INFO] [stdout]     = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]     = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]     = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stdout]     = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]     = note: this warning originates in the derive macro `StructOpt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]    --> underscore/src/main.rs:167:10
[INFO] [stdout]     |
[INFO] [stdout] 167 | #[derive(StructOpt, Debug)]
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout]     |          |
[INFO] [stdout]     |          `Cli` is not local
[INFO] [stdout]     |          move the `impl` block outside of this constant `_IMPL_STRUCTOPT_FOR_Cli`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the derive macro `StructOpt` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]     = note: the derive macro `StructOpt` may come from an old version of the `structopt_derive` crate, try updating your dependency with `cargo update -p structopt_derive`
[INFO] [stdout]     = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]     = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]     = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stdout]     = note: this warning originates in the derive macro `StructOpt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> underscore/src/main.rs:97:12
[INFO] [stdout]    |
[INFO] [stdout] 97 |         Ok(mut ast) => {
[INFO] [stdout]    |            ----^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]    --> underscore/src/main.rs:167:10
[INFO] [stdout]     |
[INFO] [stdout] 167 | #[derive(StructOpt, Debug)]
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout]     |          |
[INFO] [stdout]     |          `Cli` is not local
[INFO] [stdout]     |          `StructOpt` is not local
[INFO] [stdout]     |          move the `impl` block outside of this constant `_IMPL_STRUCTOPT_FOR_Cli`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the derive macro `StructOpt` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]     = note: the derive macro `StructOpt` may come from an old version of the `structopt_derive` crate, try updating your dependency with `cargo update -p structopt_derive`
[INFO] [stdout]     = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]     = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]     = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stdout]     = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]     = note: this warning originates in the derive macro `StructOpt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]    --> underscore/src/main.rs:167:10
[INFO] [stdout]     |
[INFO] [stdout] 167 | #[derive(StructOpt, Debug)]
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout]     |          |
[INFO] [stdout]     |          `Cli` is not local
[INFO] [stdout]     |          move the `impl` block outside of this constant `_IMPL_STRUCTOPT_FOR_Cli`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the derive macro `StructOpt` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]     = note: the derive macro `StructOpt` may come from an old version of the `structopt_derive` crate, try updating your dependency with `cargo update -p structopt_derive`
[INFO] [stdout]     = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]     = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]     = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stdout]     = note: this warning originates in the derive macro `StructOpt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.95s
[INFO] running `Command { std: "docker" "inspect" "8b49349dc0d6edb8ccd8382f13c0d4f2326fdd1be34672aac7e446c28a2a9b6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b49349dc0d6edb8ccd8382f13c0d4f2326fdd1be34672aac7e446c28a2a9b6b", kill_on_drop: false }`
[INFO] [stdout] 8b49349dc0d6edb8ccd8382f13c0d4f2326fdd1be34672aac7e446c28a2a9b6b