[INFO] fetching crate kalk 1.4.3...
[INFO] checking kalk-1.4.3 against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] extracting crate kalk 1.4.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate kalk 1.4.3 on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kalk 1.4.3
[INFO] finished tweaking crates.io crate kalk 1.4.3
[INFO] tweaked toml for crates.io crate kalk 1.4.3 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 241ede6d8e91b40c8972de2b6544812876ca3149844718ec58a27cb3e2d38bc0
[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" "241ede6d8e91b40c8972de2b6544812876ca3149844718ec58a27cb3e2d38bc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "241ede6d8e91b40c8972de2b6544812876ca3149844718ec58a27cb3e2d38bc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "241ede6d8e91b40c8972de2b6544812876ca3149844718ec58a27cb3e2d38bc0", kill_on_drop: false }`
[INFO] [stdout] 241ede6d8e91b40c8972de2b6544812876ca3149844718ec58a27cb3e2d38bc0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dac4d457d0b1393692a4c2efaf6183aed7630292d9e102e6ba47b70059a46098
[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" "dac4d457d0b1393692a4c2efaf6183aed7630292d9e102e6ba47b70059a46098", 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 proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.71
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.89
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.3
[INFO] [stderr]    Compiling rug v1.11.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking az v1.1.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]    Compiling test-case v1.1.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.21
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.71
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.71
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.71
[INFO] [stderr]     Checking js-sys v0.3.48
[INFO] [stderr]     Checking console_error_panic_hook v0.1.6
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.21
[INFO] [stderr]     Checking wasm-bindgen-test v0.3.21
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "dac4d457d0b1393692a4c2efaf6183aed7630292d9e102e6ba47b70059a46098", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dac4d457d0b1393692a4c2efaf6183aed7630292d9e102e6ba47b70059a46098", kill_on_drop: false }`
[INFO] [stdout] dac4d457d0b1393692a4c2efaf6183aed7630292d9e102e6ba47b70059a46098