[INFO] cloning repository https://github.com/ryanavella/conway-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ryanavella/conway-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryanavella%2Fconway-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryanavella%2Fconway-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ec27a02b728047c447efa03d863ef5cdc8aab815
[INFO] testing ryanavella/conway-rs against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryanavella%2Fconway-rs" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ryanavella/conway-rs on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ryanavella/conway-rs
[INFO] finished tweaking git repo https://github.com/ryanavella/conway-rs
[INFO] tweaked toml for git repo https://github.com/ryanavella/conway-rs written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/ryanavella/conway-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f3d4c3c081856b1eb11469e4355744ac18f3027f4c18ac04f96c40e94b540ae
[INFO] running `Command { std: "docker" "start" "-a" "6f3d4c3c081856b1eb11469e4355744ac18f3027f4c18ac04f96c40e94b540ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f3d4c3c081856b1eb11469e4355744ac18f3027f4c18ac04f96c40e94b540ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f3d4c3c081856b1eb11469e4355744ac18f3027f4c18ac04f96c40e94b540ae", kill_on_drop: false }`
[INFO] [stdout] 6f3d4c3c081856b1eb11469e4355744ac18f3027f4c18ac04f96c40e94b540ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e0d15c7fbd73bb4ff6c1725cd22be2576ea86f3d5ba324586b9be46083f35a3
[INFO] running `Command { std: "docker" "start" "-a" "5e0d15c7fbd73bb4ff6c1725cd22be2576ea86f3d5ba324586b9be46083f35a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling crossterm v0.13.3
[INFO] [stderr]    Compiling sandbox v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.38s
[INFO] running `Command { std: "docker" "inspect" "5e0d15c7fbd73bb4ff6c1725cd22be2576ea86f3d5ba324586b9be46083f35a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e0d15c7fbd73bb4ff6c1725cd22be2576ea86f3d5ba324586b9be46083f35a3", kill_on_drop: false }`
[INFO] [stdout] 5e0d15c7fbd73bb4ff6c1725cd22be2576ea86f3d5ba324586b9be46083f35a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2245d225888e0eeedd4a83dc0a6be3d08cbdca190c5b3d067ed8495eb68feee9
[INFO] running `Command { std: "docker" "start" "-a" "2245d225888e0eeedd4a83dc0a6be3d08cbdca190c5b3d067ed8495eb68feee9", kill_on_drop: false }`
[INFO] [stderr]    Compiling sandbox v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "2245d225888e0eeedd4a83dc0a6be3d08cbdca190c5b3d067ed8495eb68feee9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2245d225888e0eeedd4a83dc0a6be3d08cbdca190c5b3d067ed8495eb68feee9", kill_on_drop: false }`
[INFO] [stdout] 2245d225888e0eeedd4a83dc0a6be3d08cbdca190c5b3d067ed8495eb68feee9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ceb0b24b8cbfe65a6566686ff0c67b6a0bc0a2cd0104c99c6eec3500ddde1c8d
[INFO] running `Command { std: "docker" "start" "-a" "ceb0b24b8cbfe65a6566686ff0c67b6a0bc0a2cd0104c99c6eec3500ddde1c8d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sandbox-4bcbfef1b58fcf1b)
[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" "ceb0b24b8cbfe65a6566686ff0c67b6a0bc0a2cd0104c99c6eec3500ddde1c8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ceb0b24b8cbfe65a6566686ff0c67b6a0bc0a2cd0104c99c6eec3500ddde1c8d", kill_on_drop: false }`
[INFO] [stdout] ceb0b24b8cbfe65a6566686ff0c67b6a0bc0a2cd0104c99c6eec3500ddde1c8d