[INFO] cloning repository https://github.com/duguyihou/learn-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/duguyihou/learn-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fduguyihou%2Flearn-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fduguyihou%2Flearn-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4ff95630acb586e69bdabfb738262b13a5a5e28f
[INFO] checking duguyihou/learn-rust against master#1b8f2e46e14b08208a53585570edd9206374aae8 for pr-155418-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fduguyihou%2Flearn-rust" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/duguyihou/learn-rust
[INFO] finished tweaking git repo https://github.com/duguyihou/learn-rust
[INFO] tweaked toml for git repo https://github.com/duguyihou/learn-rust written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/duguyihou/learn-rust on toolchain 1b8f2e46e14b08208a53585570edd9206374aae8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1b8f2e46e14b08208a53585570edd9206374aae8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/duguyihou/learn-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" "+1b8f2e46e14b08208a53585570edd9206374aae8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-width v0.1.9
[INFO] [stderr]   Downloaded smallvec v0.4.5
[INFO] [stderr]   Downloaded textwrap v0.13.4
[INFO] [stderr]   Downloaded ferris-says v0.2.1
[INFO] [stderr]   Downloaded smawk v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+1b8f2e46e14b08208a53585570edd9206374aae8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 556792a00b6f595ac76cb1f1b54986ccaa71bf5ad43691e94e9bfdc395857e86
[INFO] running `Command { std: "docker" "start" "-a" "556792a00b6f595ac76cb1f1b54986ccaa71bf5ad43691e94e9bfdc395857e86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "556792a00b6f595ac76cb1f1b54986ccaa71bf5ad43691e94e9bfdc395857e86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "556792a00b6f595ac76cb1f1b54986ccaa71bf5ad43691e94e9bfdc395857e86", kill_on_drop: false }`
[INFO] [stdout] 556792a00b6f595ac76cb1f1b54986ccaa71bf5ad43691e94e9bfdc395857e86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+1b8f2e46e14b08208a53585570edd9206374aae8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f21ac941d7861acd61d38b1b31648d3b9b9519528b004ffa73bf56dca14b7589
[INFO] running `Command { std: "docker" "start" "-a" "f21ac941d7861acd61d38b1b31648d3b9b9519528b004ffa73bf56dca14b7589", kill_on_drop: false }`
[INFO] [stderr]     Checking smawk v0.3.1
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking smallvec v0.4.5
[INFO] [stderr]     Checking textwrap v0.13.4
[INFO] [stderr]     Checking ferris-says v0.2.1
[INFO] [stderr]     Checking hello-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "f21ac941d7861acd61d38b1b31648d3b9b9519528b004ffa73bf56dca14b7589", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f21ac941d7861acd61d38b1b31648d3b9b9519528b004ffa73bf56dca14b7589", kill_on_drop: false }`
[INFO] [stdout] f21ac941d7861acd61d38b1b31648d3b9b9519528b004ffa73bf56dca14b7589