[INFO] cloning repository https://github.com/Voultapher/sort-string-vec-as-numbers-
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Voultapher/sort-string-vec-as-numbers-" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVoultapher%2Fsort-string-vec-as-numbers-", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVoultapher%2Fsort-string-vec-as-numbers-'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 344488d54389b739ae47ae26bbd499a97ead9bea
[INFO] checking Voultapher/sort-string-vec-as-numbers- against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVoultapher%2Fsort-string-vec-as-numbers-" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Voultapher/sort-string-vec-as-numbers-
[INFO] finished tweaking git repo https://github.com/Voultapher/sort-string-vec-as-numbers-
[INFO] tweaked toml for git repo https://github.com/Voultapher/sort-string-vec-as-numbers- written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Voultapher/sort-string-vec-as-numbers- on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Voultapher/sort-string-vec-as-numbers- 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ca3ae11647401348709cee74f216506ad1b1690594d08d7e3c00337e93903ca
[INFO] running `Command { std: "docker" "start" "-a" "1ca3ae11647401348709cee74f216506ad1b1690594d08d7e3c00337e93903ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ca3ae11647401348709cee74f216506ad1b1690594d08d7e3c00337e93903ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ca3ae11647401348709cee74f216506ad1b1690594d08d7e3c00337e93903ca", kill_on_drop: false }`
[INFO] [stdout] 1ca3ae11647401348709cee74f216506ad1b1690594d08d7e3c00337e93903ca
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ff4a3bb81c9898206caddc14672b85c3049339e8887a1039d04cd3e672463cd
[INFO] running `Command { std: "docker" "start" "-a" "0ff4a3bb81c9898206caddc14672b85c3049339e8887a1039d04cd3e672463cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking sort-string-vec-as-numbers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sort-string-vec-as-numbers` (bin "sort-string-vec-as-numbers") due to 1 previous error; 1 warning emitted
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]  --> src/main.rs:9:22
[INFO] [stdout]   |
[INFO] [stdout] 9 |     (0..len).map(|_| (rng.gen::<i32>().to_string())).collect()
[INFO] [stdout]   |                      ^                            ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 9 -     (0..len).map(|_| (rng.gen::<i32>().to_string())).collect()
[INFO] [stdout] 9 +     (0..len).map(|_| rng.gen::<i32>().to_string()).collect()
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]  --> src/main.rs:9:22
[INFO] [stdout]   |
[INFO] [stdout] 9 |     (0..len).map(|_| (rng.gen::<i32>().to_string())).collect()
[INFO] [stdout]   |                      ^                            ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 9 -     (0..len).map(|_| (rng.gen::<i32>().to_string())).collect()
[INFO] [stdout] 9 +     (0..len).map(|_| rng.gen::<i32>().to_string()).collect()
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sort-string-vec-as-numbers` (bin "sort-string-vec-as-numbers" test) due to 1 previous error; 1 warning emitted
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0ff4a3bb81c9898206caddc14672b85c3049339e8887a1039d04cd3e672463cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ff4a3bb81c9898206caddc14672b85c3049339e8887a1039d04cd3e672463cd", kill_on_drop: false }`
[INFO] [stdout] 0ff4a3bb81c9898206caddc14672b85c3049339e8887a1039d04cd3e672463cd
