[INFO] cloning repository https://github.com/yliunssept/rust-exampe1
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yliunssept/rust-exampe1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyliunssept%2Frust-exampe1", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyliunssept%2Frust-exampe1'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2b584d79c77494988ba253d12a6f05f6bab40090
[INFO] checking yliunssept/rust-exampe1 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyliunssept%2Frust-exampe1" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
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[INFO] started tweaking git repo https://github.com/yliunssept/rust-exampe1
[INFO] finished tweaking git repo https://github.com/yliunssept/rust-exampe1
[INFO] tweaked toml for git repo https://github.com/yliunssept/rust-exampe1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/yliunssept/rust-exampe1 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/yliunssept/rust-exampe1 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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "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 matrixmultiply v0.3.2
[INFO] [stderr]   Downloaded peroxide-ad v0.3.0
[INFO] [stderr]   Downloaded puruspe v0.2.0
[INFO] [stderr]   Downloaded libm v0.2.5
[INFO] [stderr]   Downloaded peroxide v0.31.6
[INFO] [stderr]   Downloaded order-stat v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 435688073d68f4ad7f61552b943b3d7552734c7dda0227680f35fa046ec05a9a
[INFO] running `Command { std: "docker" "start" "-a" "435688073d68f4ad7f61552b943b3d7552734c7dda0227680f35fa046ec05a9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "435688073d68f4ad7f61552b943b3d7552734c7dda0227680f35fa046ec05a9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "435688073d68f4ad7f61552b943b3d7552734c7dda0227680f35fa046ec05a9a", kill_on_drop: false }`
[INFO] [stdout] 435688073d68f4ad7f61552b943b3d7552734c7dda0227680f35fa046ec05a9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41b2d2d9fc74c8f57a673443d200e75e760ac288edf5d2a9da2d353a3fe52dbc
[INFO] running `Command { std: "docker" "start" "-a" "41b2d2d9fc74c8f57a673443d200e75e760ac288edf5d2a9da2d353a3fe52dbc", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling libm v0.2.5
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking crossbeam-utils v0.8.11
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]    Compiling peroxide v0.31.6
[INFO] [stderr]     Checking order-stat v0.1.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking puruspe v0.2.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking thread-tree v0.3.3
[INFO] [stderr]     Checking matrixmultiply v0.3.2
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]    Compiling peroxide-ad v0.3.0
[INFO] [stderr]     Checking test_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.63s
[INFO] running `Command { std: "docker" "inspect" "41b2d2d9fc74c8f57a673443d200e75e760ac288edf5d2a9da2d353a3fe52dbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41b2d2d9fc74c8f57a673443d200e75e760ac288edf5d2a9da2d353a3fe52dbc", kill_on_drop: false }`
[INFO] [stdout] 41b2d2d9fc74c8f57a673443d200e75e760ac288edf5d2a9da2d353a3fe52dbc