[INFO] fetching crate kalk 3.0.0...
[INFO] checking kalk-3.0.0 against master#42bd138126b0a9d38d65bc9973e72de3c5b6c37f for pr-99217
[INFO] extracting crate kalk 3.0.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate kalk 3.0.0 on toolchain 42bd138126b0a9d38d65bc9973e72de3c5b6c37f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+42bd138126b0a9d38d65bc9973e72de3c5b6c37f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kalk 3.0.0
[INFO] finished tweaking crates.io crate kalk 3.0.0
[INFO] tweaked toml for crates.io crate kalk 3.0.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+42bd138126b0a9d38d65bc9973e72de3c5b6c37f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+42bd138126b0a9d38d65bc9973e72de3c5b6c37f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rug v1.16.0
[INFO] [stderr]   Downloaded wasm-bindgen-test-macro v0.3.31
[INFO] [stderr]   Downloaded az v1.2.0
[INFO] [stderr]   Downloaded wasm-bindgen-test v0.3.31
[INFO] [stderr]   Downloaded console_error_panic_hook v0.1.7
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.4.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+42bd138126b0a9d38d65bc9973e72de3c5b6c37f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a7c21993c3953cb618f6d66d7ff0504e8feb2a94614b30b08e5b7d2c3be6c17
[INFO] running `Command { std: "docker" "start" "-a" "7a7c21993c3953cb618f6d66d7ff0504e8feb2a94614b30b08e5b7d2c3be6c17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a7c21993c3953cb618f6d66d7ff0504e8feb2a94614b30b08e5b7d2c3be6c17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a7c21993c3953cb618f6d66d7ff0504e8feb2a94614b30b08e5b7d2c3be6c17", kill_on_drop: false }`
[INFO] [stdout] 7a7c21993c3953cb618f6d66d7ff0504e8feb2a94614b30b08e5b7d2c3be6c17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+42bd138126b0a9d38d65bc9973e72de3c5b6c37f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c3af420b86116d436ce87d6193853799b59fb907b6db6afea9a7a5281b234b8
[INFO] running `Command { std: "docker" "start" "-a" "6c3af420b86116d436ce87d6193853799b59fb907b6db6afea9a7a5281b234b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.81
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling bumpalo v3.10.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.81
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.9
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling az v1.2.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling rug v1.16.0
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]    Compiling test-case v1.2.3
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.31
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.81
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.81
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.81
[INFO] [stderr]     Checking js-sys v0.3.58
[INFO] [stderr]     Checking console_error_panic_hook v0.1.7
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.31
[INFO] [stderr]     Checking wasm-bindgen-test v0.3.31
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "6c3af420b86116d436ce87d6193853799b59fb907b6db6afea9a7a5281b234b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c3af420b86116d436ce87d6193853799b59fb907b6db6afea9a7a5281b234b8", kill_on_drop: false }`
[INFO] [stdout] 6c3af420b86116d436ce87d6193853799b59fb907b6db6afea9a7a5281b234b8