[INFO] cloning repository https://github.com/crumblingstatue/cowbump
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/crumblingstatue/cowbump" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrumblingstatue%2Fcowbump", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrumblingstatue%2Fcowbump'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 08c0662e435d3a4725aff5e454cf0bc601f3403d
[INFO] checking crumblingstatue/cowbump against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrumblingstatue%2Fcowbump" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/crumblingstatue/cowbump on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/crumblingstatue/cowbump
[INFO] finished tweaking git repo https://github.com/crumblingstatue/cowbump
[INFO] tweaked toml for git repo https://github.com/crumblingstatue/cowbump written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/crumblingstatue/cowbump already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 50f496b87585b6b9e97c98f917fc7ada8e421c20d0b8f323dd205379c12b9aca
[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" "50f496b87585b6b9e97c98f917fc7ada8e421c20d0b8f323dd205379c12b9aca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50f496b87585b6b9e97c98f917fc7ada8e421c20d0b8f323dd205379c12b9aca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50f496b87585b6b9e97c98f917fc7ada8e421c20d0b8f323dd205379c12b9aca", kill_on_drop: false }`
[INFO] [stdout] 50f496b87585b6b9e97c98f917fc7ada8e421c20d0b8f323dd205379c12b9aca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 961d22e6cf882ba4f8fdc1e78c84d331938ce094e9c6fc5a598531510caab365
[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" "961d22e6cf882ba4f8fdc1e78c84d331938ce094e9c6fc5a598531510caab365", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling const_fn v0.4.3
[INFO] [stderr]    Compiling sfml-build v0.3.0 (https://github.com/jeremyletang/rust-sfml.git#15fa1b27)
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking widestring v0.4.3
[INFO] [stderr]     Checking smallvec v1.5.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.0
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]    Compiling csfml-system-sys v0.5.0 (https://github.com/jeremyletang/rust-sfml.git#15fa1b27)
[INFO] [stderr]    Compiling csfml-window-sys v0.5.0 (https://github.com/jeremyletang/rust-sfml.git#15fa1b27)
[INFO] [stderr]    Compiling csfml-graphics-sys v0.5.0 (https://github.com/jeremyletang/rust-sfml.git#15fa1b27)
[INFO] [stderr]     Checking ropey v1.2.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking backtrace v0.3.55
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking crossbeam-epoch v0.9.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking png v0.16.7
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking sfml v0.15.1 (https://github.com/jeremyletang/rust-sfml.git#15fa1b27)
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking jpeg-decoder v0.1.20
[INFO] [stderr]     Checking tiff v0.6.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking image v0.23.12
[INFO] [stderr]     Checking arboard v1.0.2
[INFO] [stderr]     Checking cowbump v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 06s
[INFO] running `Command { std: "docker" "inspect" "961d22e6cf882ba4f8fdc1e78c84d331938ce094e9c6fc5a598531510caab365", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "961d22e6cf882ba4f8fdc1e78c84d331938ce094e9c6fc5a598531510caab365", kill_on_drop: false }`
[INFO] [stdout] 961d22e6cf882ba4f8fdc1e78c84d331938ce094e9c6fc5a598531510caab365