[INFO] cloning repository https://github.com/n4to4/learn-rust-with-tests
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/n4to4/learn-rust-with-tests" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fn4to4%2Flearn-rust-with-tests", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fn4to4%2Flearn-rust-with-tests'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 779f9f494cb5f314415092e41437826426957053
[INFO] checking n4to4/learn-rust-with-tests against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fn4to4%2Flearn-rust-with-tests" "/workspace/builds/worker-20/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-20/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/n4to4/learn-rust-with-tests on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/n4to4/learn-rust-with-tests
[INFO] finished tweaking git repo https://github.com/n4to4/learn-rust-with-tests
[INFO] tweaked toml for git repo https://github.com/n4to4/learn-rust-with-tests written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] crate git repo https://github.com/n4to4/learn-rust-with-tests already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "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-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 376a10870b37b96d79d15beeca644a517be719ac7830bfb293a52950e24f8e0f
[INFO] running `Command { std: "docker" "start" "-a" "376a10870b37b96d79d15beeca644a517be719ac7830bfb293a52950e24f8e0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "376a10870b37b96d79d15beeca644a517be719ac7830bfb293a52950e24f8e0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "376a10870b37b96d79d15beeca644a517be719ac7830bfb293a52950e24f8e0f", kill_on_drop: false }`
[INFO] [stdout] 376a10870b37b96d79d15beeca644a517be719ac7830bfb293a52950e24f8e0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eec8db48b7263a8b93c21450abbfff2270662417569e7fddc22d2784b0c8c192
[INFO] running `Command { std: "docker" "start" "-a" "eec8db48b7263a8b93c21450abbfff2270662417569e7fddc22d2784b0c8c192", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking learn-rust-with-tests v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "eec8db48b7263a8b93c21450abbfff2270662417569e7fddc22d2784b0c8c192", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eec8db48b7263a8b93c21450abbfff2270662417569e7fddc22d2784b0c8c192", kill_on_drop: false }`
[INFO] [stdout] eec8db48b7263a8b93c21450abbfff2270662417569e7fddc22d2784b0c8c192