[INFO] cloning repository https://github.com/fasterthanlime/surviving
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fasterthanlime/surviving" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffasterthanlime%2Fsurviving", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffasterthanlime%2Fsurviving'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7cd28e33ee3224eebb74267cb292672a3504c7cb
[INFO] testing fasterthanlime/surviving against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffasterthanlime%2Fsurviving" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fasterthanlime/surviving 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/fasterthanlime/surviving
[INFO] finished tweaking git repo https://github.com/fasterthanlime/surviving
[INFO] tweaked toml for git repo https://github.com/fasterthanlime/surviving written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/fasterthanlime/surviving 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] ab47645d5050ce44a5ccb4bd2ba0f07c24061feacee71d2a9af7a791d900e7e1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ab47645d5050ce44a5ccb4bd2ba0f07c24061feacee71d2a9af7a791d900e7e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab47645d5050ce44a5ccb4bd2ba0f07c24061feacee71d2a9af7a791d900e7e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab47645d5050ce44a5ccb4bd2ba0f07c24061feacee71d2a9af7a791d900e7e1", kill_on_drop: false }`
[INFO] [stdout] ab47645d5050ce44a5ccb4bd2ba0f07c24061feacee71d2a9af7a791d900e7e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] e8ff21f61f6211dc227433e219461b750325eb2c0b26c1d1abbcfd0cc3eaa39e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e8ff21f61f6211dc227433e219461b750325eb2c0b26c1d1abbcfd0cc3eaa39e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.67
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling wasm-bindgen v0.2.67
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling parking v1.0.6
[INFO] [stderr]    Compiling event-listener v2.3.3
[INFO] [stderr]    Compiling fastrand v1.3.4
[INFO] [stderr]    Compiling eyre v0.6.0
[INFO] [stderr]    Compiling indenter v0.3.0
[INFO] [stderr]    Compiling argh_shared v0.1.1
[INFO] [stderr]    Compiling block-padding v0.2.0
[INFO] [stderr]    Compiling tracing-core v0.1.13
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling backtrace v0.3.50
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling async-channel v1.4.0
[INFO] [stderr]    Compiling futures-lite v0.1.10
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling chrono v0.4.13
[INFO] [stderr]    Compiling tracing-serde v0.1.1
[INFO] [stderr]    Compiling tracing-log v0.1.1
[INFO] [stderr]    Compiling sha3 v0.9.1
[INFO] [stderr]    Compiling blocking v0.4.7
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling tracing-subscriber v0.2.10
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.67
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.67
[INFO] [stderr]    Compiling tracing-attributes v0.1.9
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling argh_derive v0.1.1
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling async-trait v0.1.36
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.67
[INFO] [stderr]    Compiling tracing v0.1.18
[INFO] [stderr]    Compiling tracing-error v0.1.2
[INFO] [stderr]    Compiling tracing-tree v0.1.4
[INFO] [stderr]    Compiling argh v0.1.3
[INFO] [stderr]    Compiling pin-project v0.4.23
[INFO] [stderr]    Compiling color-spantrace v0.1.4
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling tracing-futures v0.2.4
[INFO] [stderr]    Compiling js-sys v0.3.44
[INFO] [stderr]    Compiling color-eyre v0.5.1
[INFO] [stderr]    Compiling web-sys v0.3.44
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling smol v0.1.18
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling gloo-timers v0.2.1
[INFO] [stderr]    Compiling futures-timer v3.0.2
[INFO] [stderr]    Compiling async-std v1.6.2
[INFO] [stderr]    Compiling surviving v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 09s
[INFO] running `Command { std: "docker" "inspect" "e8ff21f61f6211dc227433e219461b750325eb2c0b26c1d1abbcfd0cc3eaa39e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8ff21f61f6211dc227433e219461b750325eb2c0b26c1d1abbcfd0cc3eaa39e", kill_on_drop: false }`
[INFO] [stdout] e8ff21f61f6211dc227433e219461b750325eb2c0b26c1d1abbcfd0cc3eaa39e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9a7eee3b4b3186bd8ba7742cd5bda9daeea21243083b51029f5b983a6d3c75e1
[INFO] running `Command { std: "docker" "start" "-a" "9a7eee3b4b3186bd8ba7742cd5bda9daeea21243083b51029f5b983a6d3c75e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling surviving v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.73s
[INFO] running `Command { std: "docker" "inspect" "9a7eee3b4b3186bd8ba7742cd5bda9daeea21243083b51029f5b983a6d3c75e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a7eee3b4b3186bd8ba7742cd5bda9daeea21243083b51029f5b983a6d3c75e1", kill_on_drop: false }`
[INFO] [stdout] 9a7eee3b4b3186bd8ba7742cd5bda9daeea21243083b51029f5b983a6d3c75e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 7be8dbebb94cfc6897cf28d53c1931255ec2ddbe8c6015c6d0e3fee2b25de851
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7be8dbebb94cfc6897cf28d53c1931255ec2ddbe8c6015c6d0e3fee2b25de851", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/surviving-74adda0e6b18ccce)
[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" "7be8dbebb94cfc6897cf28d53c1931255ec2ddbe8c6015c6d0e3fee2b25de851", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7be8dbebb94cfc6897cf28d53c1931255ec2ddbe8c6015c6d0e3fee2b25de851", kill_on_drop: false }`
[INFO] [stdout] 7be8dbebb94cfc6897cf28d53c1931255ec2ddbe8c6015c6d0e3fee2b25de851