[INFO] fetching crate kalk 3.0.0...
[INFO] checking kalk-3.0.0 against master#75dbd5b8c3e3e3e7673caa890422e654d39b815e for pr-95985
[INFO] extracting crate kalk 3.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate kalk 3.0.0 on toolchain 75dbd5b8c3e3e3e7673caa890422e654d39b815e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+75dbd5b8c3e3e3e7673caa890422e654d39b815e" "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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+75dbd5b8c3e3e3e7673caa890422e654d39b815e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+75dbd5b8c3e3e3e7673caa890422e654d39b815e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-test-macro v0.3.33
[INFO] [stderr]   Downloaded wasm-bindgen-test v0.3.33
[INFO] [stderr]   Downloaded rug v1.17.0
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.4.10
[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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+75dbd5b8c3e3e3e7673caa890422e654d39b815e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 914adc8cf1756bcb6058ec2712d2cebc39dbdfcd2ba3ca044cfc04003a136d61
[INFO] running `Command { std: "docker" "start" "-a" "914adc8cf1756bcb6058ec2712d2cebc39dbdfcd2ba3ca044cfc04003a136d61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "914adc8cf1756bcb6058ec2712d2cebc39dbdfcd2ba3ca044cfc04003a136d61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "914adc8cf1756bcb6058ec2712d2cebc39dbdfcd2ba3ca044cfc04003a136d61", kill_on_drop: false }`
[INFO] [stdout] 914adc8cf1756bcb6058ec2712d2cebc39dbdfcd2ba3ca044cfc04003a136d61
[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" "RUSTDOCFLAGS=--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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+75dbd5b8c3e3e3e7673caa890422e654d39b815e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ebb055b842edec2986360d3b5d7e12f8e1c88a5c2e36c099bc3e55bff4c8e38b
[INFO] running `Command { std: "docker" "start" "-a" "ebb055b842edec2986360d3b5d7e12f8e1c88a5c2e36c099bc3e55bff4c8e38b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling syn v1.0.102
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.83
[INFO] [stderr]    Compiling once_cell v1.15.0
[INFO] [stderr]    Compiling bumpalo v3.11.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.83
[INFO] [stderr]    Compiling libc v0.2.135
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.10
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling rug v1.17.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[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 v0.7.19
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.33
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.83
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.83
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.83
[INFO] [stderr]     Checking js-sys v0.3.60
[INFO] [stderr]     Checking console_error_panic_hook v0.1.7
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.33
[INFO] [stderr]     Checking wasm-bindgen-test v0.3.33
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "ebb055b842edec2986360d3b5d7e12f8e1c88a5c2e36c099bc3e55bff4c8e38b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebb055b842edec2986360d3b5d7e12f8e1c88a5c2e36c099bc3e55bff4c8e38b", kill_on_drop: false }`
[INFO] [stdout] ebb055b842edec2986360d3b5d7e12f8e1c88a5c2e36c099bc3e55bff4c8e38b