[INFO] fetching crate kalk 3.0.4...
[INFO] checking kalk-3.0.4 against master#180dffba142c47240ca0d93096ce90b9fd97c8d7 for pr-114716
[INFO] extracting crate kalk 3.0.4 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate kalk 3.0.4 on toolchain 180dffba142c47240ca0d93096ce90b9fd97c8d7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+180dffba142c47240ca0d93096ce90b9fd97c8d7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kalk 3.0.4
[INFO] finished tweaking crates.io crate kalk 3.0.4
[INFO] tweaked toml for crates.io crate kalk 3.0.4 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+180dffba142c47240ca0d93096ce90b9fd97c8d7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+180dffba142c47240ca0d93096ce90b9fd97c8d7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded test-case v1.2.3
[INFO] [stderr]   Downloaded rug v1.20.1
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:84cb280c7acaf12c1f874411053406050a24f846e52f817d4d9e64bcbe5ce959" "/opt/rustwide/cargo-home/bin/cargo" "+180dffba142c47240ca0d93096ce90b9fd97c8d7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d2bb4a960f7ca15f9c96b7882a3862a0423000993789753faf70a2d3d35b2ae
[INFO] running `Command { std: "docker" "start" "-a" "3d2bb4a960f7ca15f9c96b7882a3862a0423000993789753faf70a2d3d35b2ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d2bb4a960f7ca15f9c96b7882a3862a0423000993789753faf70a2d3d35b2ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d2bb4a960f7ca15f9c96b7882a3862a0423000993789753faf70a2d3d35b2ae", kill_on_drop: false }`
[INFO] [stdout] 3d2bb4a960f7ca15f9c96b7882a3862a0423000993789753faf70a2d3d35b2ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:84cb280c7acaf12c1f874411053406050a24f846e52f817d4d9e64bcbe5ce959" "/opt/rustwide/cargo-home/bin/cargo" "+180dffba142c47240ca0d93096ce90b9fd97c8d7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e66ff6ecc0d98676f657b1d138b583ba1740b07805193a64a42f258a7c3dd2cb
[INFO] running `Command { std: "docker" "start" "-a" "e66ff6ecc0d98676f657b1d138b583ba1740b07805193a64a42f258a7c3dd2cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.87
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling bumpalo v3.13.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.87
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.0
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling rug v1.20.1
[INFO] [stderr]    Compiling test-case v1.2.3
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.37
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.87
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.87
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.87
[INFO] [stderr]     Checking js-sys v0.3.64
[INFO] [stderr]     Checking console_error_panic_hook v0.1.7
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.37
[INFO] [stderr]     Checking wasm-bindgen-test v0.3.37
[INFO] [stderr]     Checking kalk v3.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 33s
[INFO] running `Command { std: "docker" "inspect" "e66ff6ecc0d98676f657b1d138b583ba1740b07805193a64a42f258a7c3dd2cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e66ff6ecc0d98676f657b1d138b583ba1740b07805193a64a42f258a7c3dd2cb", kill_on_drop: false }`
[INFO] [stdout] e66ff6ecc0d98676f657b1d138b583ba1740b07805193a64a42f258a7c3dd2cb