[INFO] cloning repository https://github.com/mdsteele/tachyomancer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mdsteele/tachyomancer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdsteele%2Ftachyomancer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdsteele%2Ftachyomancer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4600f83f00f1ba78f5b69f6b86f729ac696b60fe
[INFO] testing mdsteele/tachyomancer against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdsteele%2Ftachyomancer" "/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/mdsteele/tachyomancer 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/mdsteele/tachyomancer
[INFO] finished tweaking git repo https://github.com/mdsteele/tachyomancer
[INFO] tweaked toml for git repo https://github.com/mdsteele/tachyomancer written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/mdsteele/tachyomancer 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] 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" "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] bffaad9f5575afdb9c2256eee43f389040ac0331db5f9c2f88a0ef031639d2da
[INFO] running `Command { std: "docker" "start" "-a" "bffaad9f5575afdb9c2256eee43f389040ac0331db5f9c2f88a0ef031639d2da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bffaad9f5575afdb9c2256eee43f389040ac0331db5f9c2f88a0ef031639d2da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bffaad9f5575afdb9c2256eee43f389040ac0331db5f9c2f88a0ef031639d2da", kill_on_drop: false }`
[INFO] [stdout] bffaad9f5575afdb9c2256eee43f389040ac0331db5f9c2f88a0ef031639d2da
[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=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] 086f9f265bd8ac285de3aeaf07b7010650078fe17e106a34aef5e4e4bb3b79fe
[INFO] running `Command { std: "docker" "start" "-a" "086f9f265bd8ac285de3aeaf07b7010650078fe17e106a34aef5e4e4bb3b79fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling standback v0.2.8
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]    Compiling safemem v0.3.3
[INFO] [stderr]    Compiling cgmath v0.17.0
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling xml-rs v0.8.0
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling downcast-rs v1.1.1
[INFO] [stderr]    Compiling strum v0.16.0
[INFO] [stderr]    Compiling modifier v0.1.0
[INFO] [stderr]    Compiling route-recognizer v0.1.13
[INFO] [stderr]    Compiling bswap v1.0.0
[INFO] [stderr]    Compiling sdl2 v0.34.2
[INFO] [stderr]    Compiling base64 v0.11.0
[INFO] [stderr]    Compiling tinyvec v0.3.3
[INFO] [stderr]    Compiling chunked_transfer v1.2.0
[INFO] [stderr]    Compiling claxon v0.4.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling nsvg v0.5.1
[INFO] [stderr]    Compiling sdl2-sys v0.34.2
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling qstring v0.7.2
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling stb_truetype v0.3.1
[INFO] [stderr]    Compiling ogg v0.7.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.18
[INFO] [stderr]    Compiling webpki v0.21.2
[INFO] [stderr]    Compiling sct v0.6.0
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling unsafe-any v0.4.2
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling directories v2.0.2
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling typemap v0.3.3
[INFO] [stderr] error: could not compile `version_check`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name version_check /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/version_check-0.9.1/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=242a143e32259c8c -C extra-filename=-242a143e32259c8c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "086f9f265bd8ac285de3aeaf07b7010650078fe17e106a34aef5e4e4bb3b79fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "086f9f265bd8ac285de3aeaf07b7010650078fe17e106a34aef5e4e4bb3b79fe", kill_on_drop: false }`
[INFO] [stdout] 086f9f265bd8ac285de3aeaf07b7010650078fe17e106a34aef5e4e4bb3b79fe