[INFO] cloning repository https://github.com/tengyifei/icfp-universal-machine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tengyifei/icfp-universal-machine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftengyifei%2Ficfp-universal-machine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftengyifei%2Ficfp-universal-machine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e643c3d83e8c9c80f799382a62307ede019e42b6
[INFO] testing tengyifei/icfp-universal-machine against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftengyifei%2Ficfp-universal-machine" "/workspace/builds/worker-46/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-46/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tengyifei/icfp-universal-machine on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tengyifei/icfp-universal-machine
[INFO] finished tweaking git repo https://github.com/tengyifei/icfp-universal-machine
[INFO] tweaked toml for git repo https://github.com/tengyifei/icfp-universal-machine written to /workspace/builds/worker-46/source/Cargo.toml
[INFO] crate git repo https://github.com/tengyifei/icfp-universal-machine already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a2f50fbdb2c3c0aa22bb20838e77e2a13cf46bd606483247d737d63dd46457ac
[INFO] running `Command { std: "docker" "start" "-a" "a2f50fbdb2c3c0aa22bb20838e77e2a13cf46bd606483247d737d63dd46457ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2f50fbdb2c3c0aa22bb20838e77e2a13cf46bd606483247d737d63dd46457ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2f50fbdb2c3c0aa22bb20838e77e2a13cf46bd606483247d737d63dd46457ac", kill_on_drop: false }`
[INFO] [stdout] a2f50fbdb2c3c0aa22bb20838e77e2a13cf46bd606483247d737d63dd46457ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ae6bf802f51cf72afa3bfa13b54b372ce186daace2f93740b3e759582e37d2c
[INFO] running `Command { std: "docker" "start" "-a" "9ae6bf802f51cf72afa3bfa13b54b372ce186daace2f93740b3e759582e37d2c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling an_urgent_appeal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.83s
[INFO] running `Command { std: "docker" "inspect" "9ae6bf802f51cf72afa3bfa13b54b372ce186daace2f93740b3e759582e37d2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ae6bf802f51cf72afa3bfa13b54b372ce186daace2f93740b3e759582e37d2c", kill_on_drop: false }`
[INFO] [stdout] 9ae6bf802f51cf72afa3bfa13b54b372ce186daace2f93740b3e759582e37d2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d78db7e985984ec575ada2788b5a8d270c811d76dcae59474d18d4951fa4fc9a
[INFO] running `Command { std: "docker" "start" "-a" "d78db7e985984ec575ada2788b5a8d270c811d76dcae59474d18d4951fa4fc9a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling an_urgent_appeal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "d78db7e985984ec575ada2788b5a8d270c811d76dcae59474d18d4951fa4fc9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d78db7e985984ec575ada2788b5a8d270c811d76dcae59474d18d4951fa4fc9a", kill_on_drop: false }`
[INFO] [stdout] d78db7e985984ec575ada2788b5a8d270c811d76dcae59474d18d4951fa4fc9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1c765b00882265896a0c7e927e701155a8eb50cc3e318439f0e73d573acedb8b
[INFO] running `Command { std: "docker" "start" "-a" "1c765b00882265896a0c7e927e701155a8eb50cc3e318439f0e73d573acedb8b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/an_urgent_appeal-a458f7cd7e623854)
[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" "1c765b00882265896a0c7e927e701155a8eb50cc3e318439f0e73d573acedb8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c765b00882265896a0c7e927e701155a8eb50cc3e318439f0e73d573acedb8b", kill_on_drop: false }`
[INFO] [stdout] 1c765b00882265896a0c7e927e701155a8eb50cc3e318439f0e73d573acedb8b