[INFO] cloning repository https://github.com/tarkah/tbd
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tarkah/tbd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftarkah%2Ftbd", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftarkah%2Ftbd'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1c7ffb96269ee337a553df411ea83d33f9c2a8ad
[INFO] testing tarkah/tbd against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftarkah%2Ftbd" "/workspace/builds/worker-115/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-115/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tarkah/tbd on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tarkah/tbd
[INFO] finished tweaking git repo https://github.com/tarkah/tbd
[INFO] tweaked toml for git repo https://github.com/tarkah/tbd written to /workspace/builds/worker-115/source/Cargo.toml
[INFO] crate git repo https://github.com/tarkah/tbd already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 62378ef6ee964556eb6f91af663db3e249fcb7ae23f59b6104f2eee0e0f0c73a
[INFO] running `Command { std: "docker" "start" "-a" "62378ef6ee964556eb6f91af663db3e249fcb7ae23f59b6104f2eee0e0f0c73a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62378ef6ee964556eb6f91af663db3e249fcb7ae23f59b6104f2eee0e0f0c73a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62378ef6ee964556eb6f91af663db3e249fcb7ae23f59b6104f2eee0e0f0c73a", kill_on_drop: false }`
[INFO] [stdout] 62378ef6ee964556eb6f91af663db3e249fcb7ae23f59b6104f2eee0e0f0c73a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 931b003489a1f45395ec393588a21f632a1e344f8973fe6f24f7da6b1b89389f
[INFO] running `Command { std: "docker" "start" "-a" "931b003489a1f45395ec393588a21f632a1e344f8973fe6f24f7da6b1b89389f", 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] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.6
[INFO] [stderr]    Compiling futures-core v0.3.12
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling futures-io v0.3.12
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling futures-sink v0.3.12
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling fastrand v1.4.0
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling byteorder v1.4.2
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling async-task v4.0.3
[INFO] [stderr]    Compiling vec-arena v1.0.0
[INFO] [stderr]    Compiling curl v0.4.34
[INFO] [stderr]    Compiling gimli v0.23.0
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]    Compiling dtoa v0.4.7
[INFO] [stderr]    Compiling isahc v0.8.2
[INFO] [stderr]    Compiling serde_json v1.0.62
[INFO] [stderr]    Compiling rustc-demangle v0.1.18
[INFO] [stderr]    Compiling object v0.23.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling cassowary v0.3.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling tinyvec v1.1.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling lock_api v0.4.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling form_urlencoded v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling futures-task v0.3.12
[INFO] [stderr]    Compiling async-mutex v1.4.0
[INFO] [stderr]    Compiling async-lock v2.3.0
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling futures-channel v0.3.12
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr] error: could not compile `cc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name cc --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cc-1.0.66/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=aab2d3ad70e85246 -C extra-filename=-aab2d3ad70e85246 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (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" "931b003489a1f45395ec393588a21f632a1e344f8973fe6f24f7da6b1b89389f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "931b003489a1f45395ec393588a21f632a1e344f8973fe6f24f7da6b1b89389f", kill_on_drop: false }`
[INFO] [stdout] 931b003489a1f45395ec393588a21f632a1e344f8973fe6f24f7da6b1b89389f