[INFO] fetching crate kalk 2.2.0...
[INFO] checking kalk-2.2.0 against master#4c5f6e6277b89e47d73a192078697f7a5f3dc0ac for pr-97086
[INFO] extracting crate kalk 2.2.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate kalk 2.2.0 on toolchain 4c5f6e6277b89e47d73a192078697f7a5f3dc0ac
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c5f6e6277b89e47d73a192078697f7a5f3dc0ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kalk 2.2.0
[INFO] finished tweaking crates.io crate kalk 2.2.0
[INFO] tweaked toml for crates.io crate kalk 2.2.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c5f6e6277b89e47d73a192078697f7a5f3dc0ac" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c5f6e6277b89e47d73a192078697f7a5f3dc0ac" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rug v1.16.0
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.4.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+4c5f6e6277b89e47d73a192078697f7a5f3dc0ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ffeb4864727fbb1223771406951e20b79360be520c867c2e78dbfaf3389e416d
[INFO] running `Command { std: "docker" "start" "-a" "ffeb4864727fbb1223771406951e20b79360be520c867c2e78dbfaf3389e416d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ffeb4864727fbb1223771406951e20b79360be520c867c2e78dbfaf3389e416d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffeb4864727fbb1223771406951e20b79360be520c867c2e78dbfaf3389e416d", kill_on_drop: false }`
[INFO] [stdout] ffeb4864727fbb1223771406951e20b79360be520c867c2e78dbfaf3389e416d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+4c5f6e6277b89e47d73a192078697f7a5f3dc0ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1309fc02914237b94a4e51334de11f227a95544ff230c5f4319d517274e8a42d
[INFO] running `Command { std: "docker" "start" "-a" "1309fc02914237b94a4e51334de11f227a95544ff230c5f4319d517274e8a42d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.80
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling bumpalo v3.9.1
[INFO] [stderr]    Compiling wasm-bindgen v0.2.80
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.8
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling az v1.2.0
[INFO] [stderr]    Compiling rug v1.16.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]    Compiling test-case v1.2.3
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.30
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.80
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.80
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.80
[INFO] [stderr]     Checking js-sys v0.3.57
[INFO] [stderr]     Checking console_error_panic_hook v0.1.7
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.30
[INFO] [stderr]     Checking wasm-bindgen-test v0.3.30
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "1309fc02914237b94a4e51334de11f227a95544ff230c5f4319d517274e8a42d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1309fc02914237b94a4e51334de11f227a95544ff230c5f4319d517274e8a42d", kill_on_drop: false }`
[INFO] [stdout] 1309fc02914237b94a4e51334de11f227a95544ff230c5f4319d517274e8a42d