[INFO] cloning repository https://github.com/sjrsjz/arc-gc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sjrsjz/arc-gc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsjrsjz%2Farc-gc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsjrsjz%2Farc-gc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8ca425f622736754ef5d0d0664518bfd67c77de3
[INFO] building sjrsjz/arc-gc against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsjrsjz%2Farc-gc" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sjrsjz/arc-gc on toolchain 44f415c1d617ebc7b931a243b7b321ef8a6ca47c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sjrsjz/arc-gc
[INFO] finished tweaking git repo https://github.com/sjrsjz/arc-gc
[INFO] tweaked toml for git repo https://github.com/sjrsjz/arc-gc written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/sjrsjz/arc-gc 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" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "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-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a27dda9bd9ac33f3025c7ae2881b60aad72e975ccbdf7441834a0fc49c65511d
[INFO] running `Command { std: "docker" "start" "-a" "a27dda9bd9ac33f3025c7ae2881b60aad72e975ccbdf7441834a0fc49c65511d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a27dda9bd9ac33f3025c7ae2881b60aad72e975ccbdf7441834a0fc49c65511d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a27dda9bd9ac33f3025c7ae2881b60aad72e975ccbdf7441834a0fc49c65511d", kill_on_drop: false }`
[INFO] [stdout] a27dda9bd9ac33f3025c7ae2881b60aad72e975ccbdf7441834a0fc49c65511d
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5531f93def7e67aca286fd07b237225fa0deeb8e569ad2cfa74365a3caa6ed47
[INFO] running `Command { std: "docker" "start" "-a" "5531f93def7e67aca286fd07b237225fa0deeb8e569ad2cfa74365a3caa6ed47", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc-hash v2.1.1
[INFO] [stderr]    Compiling rust-arc-gc v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "5531f93def7e67aca286fd07b237225fa0deeb8e569ad2cfa74365a3caa6ed47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5531f93def7e67aca286fd07b237225fa0deeb8e569ad2cfa74365a3caa6ed47", kill_on_drop: false }`
[INFO] [stdout] 5531f93def7e67aca286fd07b237225fa0deeb8e569ad2cfa74365a3caa6ed47
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f0b6e70ad094562d873bcc18778c6fbe6bf5855631e57cc76b9190d1c965295
[INFO] running `Command { std: "docker" "start" "-a" "5f0b6e70ad094562d873bcc18778c6fbe6bf5855631e57cc76b9190d1c965295", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-arc-gc v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "5f0b6e70ad094562d873bcc18778c6fbe6bf5855631e57cc76b9190d1c965295", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f0b6e70ad094562d873bcc18778c6fbe6bf5855631e57cc76b9190d1c965295", kill_on_drop: false }`
[INFO] [stdout] 5f0b6e70ad094562d873bcc18778c6fbe6bf5855631e57cc76b9190d1c965295