[INFO] cloning repository https://github.com/shautvast/rust-workshop-linkedlist
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shautvast/rust-workshop-linkedlist" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshautvast%2Frust-workshop-linkedlist", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshautvast%2Frust-workshop-linkedlist'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 534b0d39e04e4756a76f7970d4af64a7c1dbfdce
[INFO] building shautvast/rust-workshop-linkedlist against master#70591dc15db32941fe3595fdbf98e58d6975f95e for pr-127731
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshautvast%2Frust-workshop-linkedlist" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shautvast/rust-workshop-linkedlist on toolchain 70591dc15db32941fe3595fdbf98e58d6975f95e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+70591dc15db32941fe3595fdbf98e58d6975f95e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/shautvast/rust-workshop-linkedlist
[INFO] finished tweaking git repo https://github.com/shautvast/rust-workshop-linkedlist
[INFO] tweaked toml for git repo https://github.com/shautvast/rust-workshop-linkedlist written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/shautvast/rust-workshop-linkedlist 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" "+70591dc15db32941fe3595fdbf98e58d6975f95e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+70591dc15db32941fe3595fdbf98e58d6975f95e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7f5994045cf1810d8c35ca1523ecf0f8863bd282f6aeb281948ae6cf97acf71
[INFO] running `Command { std: "docker" "start" "-a" "b7f5994045cf1810d8c35ca1523ecf0f8863bd282f6aeb281948ae6cf97acf71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7f5994045cf1810d8c35ca1523ecf0f8863bd282f6aeb281948ae6cf97acf71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7f5994045cf1810d8c35ca1523ecf0f8863bd282f6aeb281948ae6cf97acf71", kill_on_drop: false }`
[INFO] [stdout] b7f5994045cf1810d8c35ca1523ecf0f8863bd282f6aeb281948ae6cf97acf71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+70591dc15db32941fe3595fdbf98e58d6975f95e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34232cfd29e5eb53e394153971e323ebf9336b10f6db258a42099ceaa06a16e0
[INFO] running `Command { std: "docker" "start" "-a" "34232cfd29e5eb53e394153971e323ebf9336b10f6db258a42099ceaa06a16e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling linkedlist v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "34232cfd29e5eb53e394153971e323ebf9336b10f6db258a42099ceaa06a16e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34232cfd29e5eb53e394153971e323ebf9336b10f6db258a42099ceaa06a16e0", kill_on_drop: false }`
[INFO] [stdout] 34232cfd29e5eb53e394153971e323ebf9336b10f6db258a42099ceaa06a16e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+70591dc15db32941fe3595fdbf98e58d6975f95e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d1162ca933709e42eb1780dda49e156a1585464823714a508ef42eefc5c7184
[INFO] running `Command { std: "docker" "start" "-a" "4d1162ca933709e42eb1780dda49e156a1585464823714a508ef42eefc5c7184", kill_on_drop: false }`
[INFO] [stderr]    Compiling linkedlist v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "4d1162ca933709e42eb1780dda49e156a1585464823714a508ef42eefc5c7184", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d1162ca933709e42eb1780dda49e156a1585464823714a508ef42eefc5c7184", kill_on_drop: false }`
[INFO] [stdout] 4d1162ca933709e42eb1780dda49e156a1585464823714a508ef42eefc5c7184