[INFO] cloning repository https://github.com/gc/rust-rpg
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gc/rust-rpg" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgc%2Frust-rpg", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgc%2Frust-rpg'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 351d7063140227760066b70e89dbb4da5cca1d58
[INFO] testing gc/rust-rpg against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgc%2Frust-rpg" "/workspace/builds/worker-59/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-59/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gc/rust-rpg on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gc/rust-rpg
[INFO] finished tweaking git repo https://github.com/gc/rust-rpg
[INFO] tweaked toml for git repo https://github.com/gc/rust-rpg written to /workspace/builds/worker-59/source/Cargo.toml
[INFO] crate git repo https://github.com/gc/rust-rpg already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 06ef539954d5ab1d0cd3b3cd9ab86a49a30605368cb254e850ba9fb508a69a13
[INFO] running `Command { std: "docker" "start" "-a" "06ef539954d5ab1d0cd3b3cd9ab86a49a30605368cb254e850ba9fb508a69a13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06ef539954d5ab1d0cd3b3cd9ab86a49a30605368cb254e850ba9fb508a69a13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06ef539954d5ab1d0cd3b3cd9ab86a49a30605368cb254e850ba9fb508a69a13", kill_on_drop: false }`
[INFO] [stdout] 06ef539954d5ab1d0cd3b3cd9ab86a49a30605368cb254e850ba9fb508a69a13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e300821c181c171185b39f25cdf4aeb947673c4433964d360063e51abe6d5b7
[INFO] running `Command { std: "docker" "start" "-a" "8e300821c181c171185b39f25cdf4aeb947673c4433964d360063e51abe6d5b7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling rand_core v0.6.0
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling rand v0.8.0
[INFO] [stderr]    Compiling experiment v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.35s
[INFO] running `Command { std: "docker" "inspect" "8e300821c181c171185b39f25cdf4aeb947673c4433964d360063e51abe6d5b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e300821c181c171185b39f25cdf4aeb947673c4433964d360063e51abe6d5b7", kill_on_drop: false }`
[INFO] [stdout] 8e300821c181c171185b39f25cdf4aeb947673c4433964d360063e51abe6d5b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 428a038663c2ef7a3ff60cf5f44903e79c9c0734f0b006e5a162f27f5fa82240
[INFO] running `Command { std: "docker" "start" "-a" "428a038663c2ef7a3ff60cf5f44903e79c9c0734f0b006e5a162f27f5fa82240", kill_on_drop: false }`
[INFO] [stderr]    Compiling experiment v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "428a038663c2ef7a3ff60cf5f44903e79c9c0734f0b006e5a162f27f5fa82240", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "428a038663c2ef7a3ff60cf5f44903e79c9c0734f0b006e5a162f27f5fa82240", kill_on_drop: false }`
[INFO] [stdout] 428a038663c2ef7a3ff60cf5f44903e79c9c0734f0b006e5a162f27f5fa82240
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1848fa518ae79ddf3afd948030d381b09a75546853e46256084f0bfb7f8abb2e
[INFO] running `Command { std: "docker" "start" "-a" "1848fa518ae79ddf3afd948030d381b09a75546853e46256084f0bfb7f8abb2e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.32s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/experiment-42829c022951ebdf)
[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" "1848fa518ae79ddf3afd948030d381b09a75546853e46256084f0bfb7f8abb2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1848fa518ae79ddf3afd948030d381b09a75546853e46256084f0bfb7f8abb2e", kill_on_drop: false }`
[INFO] [stdout] 1848fa518ae79ddf3afd948030d381b09a75546853e46256084f0bfb7f8abb2e