[INFO] cloning repository https://github.com/andreashdez/n_queens_problem_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andreashdez/n_queens_problem_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandreashdez%2Fn_queens_problem_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandreashdez%2Fn_queens_problem_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a95fa1f1dc07351f9af9bd79f308c0428e07d9b7
[INFO] checking andreashdez/n_queens_problem_rust against try#804fff1ae95da9d03bd44eee27f258020a575dab for pr-146013
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandreashdez%2Fn_queens_problem_rust" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/andreashdez/n_queens_problem_rust
[INFO] finished tweaking git repo https://github.com/andreashdez/n_queens_problem_rust
[INFO] tweaked toml for git repo https://github.com/andreashdez/n_queens_problem_rust written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/andreashdez/n_queens_problem_rust on toolchain 804fff1ae95da9d03bd44eee27f258020a575dab
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+804fff1ae95da9d03bd44eee27f258020a575dab" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/andreashdez/n_queens_problem_rust 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" "+804fff1ae95da9d03bd44eee27f258020a575dab" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+804fff1ae95da9d03bd44eee27f258020a575dab" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4566d12ba8cf9e3f8fe985d98d36514b4d6bef8b3d13e678f44f420645a73afd
[INFO] running `Command { std: "docker" "start" "-a" "4566d12ba8cf9e3f8fe985d98d36514b4d6bef8b3d13e678f44f420645a73afd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4566d12ba8cf9e3f8fe985d98d36514b4d6bef8b3d13e678f44f420645a73afd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4566d12ba8cf9e3f8fe985d98d36514b4d6bef8b3d13e678f44f420645a73afd", kill_on_drop: false }`
[INFO] [stdout] 4566d12ba8cf9e3f8fe985d98d36514b4d6bef8b3d13e678f44f420645a73afd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+804fff1ae95da9d03bd44eee27f258020a575dab" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a12a5aa8a811b1f8f88fb65e5783fcb7b9c537bf0b4cc5504136967d945c76ef
[INFO] running `Command { std: "docker" "start" "-a" "a12a5aa8a811b1f8f88fb65e5783fcb7b9c537bf0b4cc5504136967d945c76ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]     Checking cfg-if v1.0.1
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]    Compiling time-core v0.1.4
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]     Checking num_threads v0.1.7
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]     Checking deranged v0.4.0
[INFO] [stderr]    Compiling time-macros v0.2.22
[INFO] [stderr]     Checking colored v2.2.0
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking time v0.3.41
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking simple_logger v5.0.0
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.1
[INFO] [stderr]     Checking n_queens_problem v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.07s
[INFO] running `Command { std: "docker" "inspect" "a12a5aa8a811b1f8f88fb65e5783fcb7b9c537bf0b4cc5504136967d945c76ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a12a5aa8a811b1f8f88fb65e5783fcb7b9c537bf0b4cc5504136967d945c76ef", kill_on_drop: false }`
[INFO] [stdout] a12a5aa8a811b1f8f88fb65e5783fcb7b9c537bf0b4cc5504136967d945c76ef