[INFO] cloning repository https://github.com/nakhimchea/basic_rust_lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nakhimchea/basic_rust_lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnakhimchea%2Fbasic_rust_lang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnakhimchea%2Fbasic_rust_lang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 084974cb3f9c42ab6096f86ffbf2eced991fec90
[INFO] checking nakhimchea/basic_rust_lang against try#804fff1ae95da9d03bd44eee27f258020a575dab for pr-146013
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnakhimchea%2Fbasic_rust_lang" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nakhimchea/basic_rust_lang
[INFO] finished tweaking git repo https://github.com/nakhimchea/basic_rust_lang
[INFO] tweaked toml for git repo https://github.com/nakhimchea/basic_rust_lang written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nakhimchea/basic_rust_lang 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/nakhimchea/basic_rust_lang 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] a3c370c14a7c8e43ac6e7e0dec1820ca6c0635769934100482d50cf355f666e7
[INFO] running `Command { std: "docker" "start" "-a" "a3c370c14a7c8e43ac6e7e0dec1820ca6c0635769934100482d50cf355f666e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3c370c14a7c8e43ac6e7e0dec1820ca6c0635769934100482d50cf355f666e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3c370c14a7c8e43ac6e7e0dec1820ca6c0635769934100482d50cf355f666e7", kill_on_drop: false }`
[INFO] [stdout] a3c370c14a7c8e43ac6e7e0dec1820ca6c0635769934100482d50cf355f666e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] a898a779fdcb5ed5969edbd90ac289772d8c9c2bcc43ebd59ce3d611e12c635f
[INFO] running `Command { std: "docker" "start" "-a" "a898a779fdcb5ed5969edbd90ac289772d8c9c2bcc43ebd59ce3d611e12c635f", kill_on_drop: false }`
[INFO] [stderr]     Checking crash_course v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "a898a779fdcb5ed5969edbd90ac289772d8c9c2bcc43ebd59ce3d611e12c635f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a898a779fdcb5ed5969edbd90ac289772d8c9c2bcc43ebd59ce3d611e12c635f", kill_on_drop: false }`
[INFO] [stdout] a898a779fdcb5ed5969edbd90ac289772d8c9c2bcc43ebd59ce3d611e12c635f