[INFO] cloning repository https://github.com/FreeFull/ngaro-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FreeFull/ngaro-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFreeFull%2Fngaro-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFreeFull%2Fngaro-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f016d8512c4532aa8b2132a8a14c86945df29856
[INFO] checking FreeFull/ngaro-rs against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFreeFull%2Fngaro-rs" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FreeFull/ngaro-rs on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/FreeFull/ngaro-rs
[INFO] finished tweaking git repo https://github.com/FreeFull/ngaro-rs
[INFO] tweaked toml for git repo https://github.com/FreeFull/ngaro-rs written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/FreeFull/ngaro-rs 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" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded docopt v0.8.3
[INFO] [stderr]   Downloaded syn v0.12.14
[INFO] [stderr]   Downloaded libc v0.2.39
[INFO] [stderr]   Downloaded regex-syntax v0.5.3
[INFO] [stderr]   Downloaded regex v0.2.10
[INFO] [stderr]   Downloaded serde_derive_internals v0.22.0
[INFO] [stderr]   Downloaded serde_derive v1.0.34
[INFO] [stderr]   Downloaded serde v1.0.34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b3fb706cc47392c42362ffb776e71fdcb4011bdef0aa6bce31aefa6df373232c
[INFO] running `Command { std: "docker" "start" "-a" "b3fb706cc47392c42362ffb776e71fdcb4011bdef0aa6bce31aefa6df373232c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3fb706cc47392c42362ffb776e71fdcb4011bdef0aa6bce31aefa6df373232c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3fb706cc47392c42362ffb776e71fdcb4011bdef0aa6bce31aefa6df373232c", kill_on_drop: false }`
[INFO] [stdout] b3fb706cc47392c42362ffb776e71fdcb4011bdef0aa6bce31aefa6df373232c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 034acad16749a4a2bdafa4c02bc69ef1f227b02acb323ebcba8e8aa22789cd0d
[INFO] running `Command { std: "docker" "start" "-a" "034acad16749a4a2bdafa4c02bc69ef1f227b02acb323ebcba8e8aa22789cd0d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]     Checking libc v0.2.39
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking serde v1.0.34
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking regex-syntax v0.5.3
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking byteorder v1.2.1
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking termion v1.5.1
[INFO] [stderr]    Compiling syn v0.12.14
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]    Compiling serde_derive_internals v0.22.0
[INFO] [stderr]    Compiling serde_derive v1.0.34
[INFO] [stderr]     Checking docopt v0.8.3
[INFO] [stderr]     Checking ngaro-rs v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/cpu.rs:20:21
[INFO] [stdout]     |
[INFO] [stdout] 20  |             None => return $rval,
[INFO] [stdout]     |                     ^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] ...
[INFO] [stdout] 133 |         self.ip = get_memory!(self, self.ip, panic!("Jump out of bounds.")) - 1;
[INFO] [stdout]     |                   ---------------------------------------------------------
[INFO] [stdout]     |                   |                          |
[INFO] [stdout]     |                   |                          any code following this expression is unreachable
[INFO] [stdout]     |                   in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `get_memory` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/cpu.rs:20:21
[INFO] [stdout]     |
[INFO] [stdout] 20  |             None => return $rval,
[INFO] [stdout]     |                     ^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] ...
[INFO] [stdout] 133 |         self.ip = get_memory!(self, self.ip, panic!("Jump out of bounds.")) - 1;
[INFO] [stdout]     |                   ---------------------------------------------------------
[INFO] [stdout]     |                   |                          |
[INFO] [stdout]     |                   |                          any code following this expression is unreachable
[INFO] [stdout]     |                   in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `get_memory` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:58:24
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let mut stdin: Box<Read> = Box::new(stdin.lock());
[INFO] [stdout]    |                        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let mut stdin: Box<dyn Read> = Box::new(stdin.lock());
[INFO] [stdout]    |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:58:24
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let mut stdin: Box<Read> = Box::new(stdin.lock());
[INFO] [stdout]    |                        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let mut stdin: Box<dyn Read> = Box::new(stdin.lock());
[INFO] [stdout]    |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Empty` is never constructed
[INFO] [stdout]    --> src/cpu.rs:291:5
[INFO] [stdout]     |
[INFO] [stdout] 290 | pub enum Action {
[INFO] [stdout]     |          ------ variant in this enum
[INFO] [stdout] 291 |     Empty,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/cpu.rs:41:34
[INFO] [stdout]    |
[INFO] [stdout] 41 |                 Err(e) => panic!(e),
[INFO] [stdout]    |                                  ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]    |
[INFO] [stdout] 41 |                 Err(e) => panic!("{}", e),
[INFO] [stdout]    |                                  +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 41 |                 Err(e) => std::panic::panic_any(e),
[INFO] [stdout]    |                           ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Empty` is never constructed
[INFO] [stdout]    --> src/cpu.rs:291:5
[INFO] [stdout]     |
[INFO] [stdout] 290 | pub enum Action {
[INFO] [stdout]     |          ------ variant in this enum
[INFO] [stdout] 291 |     Empty,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/cpu.rs:41:34
[INFO] [stdout]    |
[INFO] [stdout] 41 |                 Err(e) => panic!(e),
[INFO] [stdout]    |                                  ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]    |
[INFO] [stdout] 41 |                 Err(e) => panic!("{}", e),
[INFO] [stdout]    |                                  +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 41 |                 Err(e) => std::panic::panic_any(e),
[INFO] [stdout]    |                           ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.64s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.12.14
[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" "034acad16749a4a2bdafa4c02bc69ef1f227b02acb323ebcba8e8aa22789cd0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "034acad16749a4a2bdafa4c02bc69ef1f227b02acb323ebcba8e8aa22789cd0d", kill_on_drop: false }`
[INFO] [stdout] 034acad16749a4a2bdafa4c02bc69ef1f227b02acb323ebcba8e8aa22789cd0d
