[INFO] fetching crate rgc 0.3.4...
[INFO] testing rgc-0.3.4 against 1.59.0 for beta-1.60-1
[INFO] extracting crate rgc 0.3.4 into /workspace/builds/worker-109/source
[INFO] validating manifest of crates.io crate rgc 0.3.4 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rgc 0.3.4
[INFO] finished tweaking crates.io crate rgc 0.3.4
[INFO] tweaked toml for crates.io crate rgc 0.3.4 written to /workspace/builds/worker-109/source/Cargo.toml
[INFO] crate crates.io crate rgc 0.3.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] df3366104a74db410c2619594e24ced9f7f73daa3cb5993a340f5b4f8e855150
[INFO] running `Command { std: "docker" "start" "-a" "df3366104a74db410c2619594e24ced9f7f73daa3cb5993a340f5b4f8e855150", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df3366104a74db410c2619594e24ced9f7f73daa3cb5993a340f5b4f8e855150", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df3366104a74db410c2619594e24ced9f7f73daa3cb5993a340f5b4f8e855150", kill_on_drop: false }`
[INFO] [stdout] df3366104a74db410c2619594e24ced9f7f73daa3cb5993a340f5b4f8e855150
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63398aa6fbeccfdc677246b12e8bd150f93c533ef5da64e9cca4abcad69e5b36
[INFO] running `Command { std: "docker" "start" "-a" "63398aa6fbeccfdc677246b12e8bd150f93c533ef5da64e9cca4abcad69e5b36", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling simple_input v0.4.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling dirs-sys v0.3.5
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling dirs v3.0.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling bunt-macros v0.1.0
[INFO] [stderr]    Compiling bunt v0.1.0
[INFO] [stderr]    Compiling rgc v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.70s
[INFO] running `Command { std: "docker" "inspect" "63398aa6fbeccfdc677246b12e8bd150f93c533ef5da64e9cca4abcad69e5b36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63398aa6fbeccfdc677246b12e8bd150f93c533ef5da64e9cca4abcad69e5b36", kill_on_drop: false }`
[INFO] [stdout] 63398aa6fbeccfdc677246b12e8bd150f93c533ef5da64e9cca4abcad69e5b36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7bbe25f0d684afc2addf3384610addd6bf3fe5f89d122f84deca6cd8901d22a5
[INFO] running `Command { std: "docker" "start" "-a" "7bbe25f0d684afc2addf3384610addd6bf3fe5f89d122f84deca6cd8901d22a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling rgc v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "7bbe25f0d684afc2addf3384610addd6bf3fe5f89d122f84deca6cd8901d22a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bbe25f0d684afc2addf3384610addd6bf3fe5f89d122f84deca6cd8901d22a5", kill_on_drop: false }`
[INFO] [stdout] 7bbe25f0d684afc2addf3384610addd6bf3fe5f89d122f84deca6cd8901d22a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e37dca8ce7bcb4d317a2cd1cc8b9832265273b50ff587136477093781eda79ef
[INFO] running `Command { std: "docker" "start" "-a" "e37dca8ce7bcb4d317a2cd1cc8b9832265273b50ff587136477093781eda79ef", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rgc-48ebc2192e548747)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e37dca8ce7bcb4d317a2cd1cc8b9832265273b50ff587136477093781eda79ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e37dca8ce7bcb4d317a2cd1cc8b9832265273b50ff587136477093781eda79ef", kill_on_drop: false }`
[INFO] [stdout] e37dca8ce7bcb4d317a2cd1cc8b9832265273b50ff587136477093781eda79ef