[INFO] cloning repository https://github.com/maxja/rustok
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maxja/rustok" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxja%2Frustok", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxja%2Frustok'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9144d17d68f94abf5a5ba2a235893389ddb5b8a8
[INFO] checking maxja/rustok against try#63132bd615c9bf75e93af8405d00064212331708 for pr-153975
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxja%2Frustok" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/maxja/rustok
[INFO] finished tweaking git repo https://github.com/maxja/rustok
[INFO] tweaked toml for git repo https://github.com/maxja/rustok written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/maxja/rustok on toolchain 63132bd615c9bf75e93af8405d00064212331708
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+63132bd615c9bf75e93af8405d00064212331708" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/maxja/rustok 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" "+63132bd615c9bf75e93af8405d00064212331708" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+63132bd615c9bf75e93af8405d00064212331708" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c62bee9290bfa092823c0f261625a0320c43362ca6eed1af93e675e70c70aed
[INFO] running `Command { std: "docker" "start" "-a" "6c62bee9290bfa092823c0f261625a0320c43362ca6eed1af93e675e70c70aed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c62bee9290bfa092823c0f261625a0320c43362ca6eed1af93e675e70c70aed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c62bee9290bfa092823c0f261625a0320c43362ca6eed1af93e675e70c70aed", kill_on_drop: false }`
[INFO] [stdout] 6c62bee9290bfa092823c0f261625a0320c43362ca6eed1af93e675e70c70aed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+63132bd615c9bf75e93af8405d00064212331708" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 313df8a6adac2b48d5cba30448594db4e8f4bd92b9e85f116317de408d739036
[INFO] running `Command { std: "docker" "start" "-a" "313df8a6adac2b48d5cba30448594db4e8f4bd92b9e85f116317de408d739036", kill_on_drop: false }`
[INFO] [stderr]     Checking ch02-foundations v0.1.0 (/opt/rustwide/workdir/chapters/ch02-foundations)
[INFO] [stderr]     Checking ch01-helloworld v0.1.0 (/opt/rustwide/workdir/chapters/ch01-introducing-rust)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "313df8a6adac2b48d5cba30448594db4e8f4bd92b9e85f116317de408d739036", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "313df8a6adac2b48d5cba30448594db4e8f4bd92b9e85f116317de408d739036", kill_on_drop: false }`
[INFO] [stdout] 313df8a6adac2b48d5cba30448594db4e8f4bd92b9e85f116317de408d739036