[INFO] fetching crate mh-z19 0.3.3...
[INFO] checking mh-z19-0.3.3 against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] extracting crate mh-z19 0.3.3 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate mh-z19 0.3.3 on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mh-z19 0.3.3
[INFO] finished tweaking crates.io crate mh-z19 0.3.3
[INFO] tweaked toml for crates.io crate mh-z19 0.3.3 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 87865a8c9cd3cf67096ced2099042075a11803ce086c0f7af63b06c1a40c0f13
[INFO] running `Command { std: "docker" "start" "-a" "87865a8c9cd3cf67096ced2099042075a11803ce086c0f7af63b06c1a40c0f13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87865a8c9cd3cf67096ced2099042075a11803ce086c0f7af63b06c1a40c0f13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87865a8c9cd3cf67096ced2099042075a11803ce086c0f7af63b06c1a40c0f13", kill_on_drop: false }`
[INFO] [stdout] 87865a8c9cd3cf67096ced2099042075a11803ce086c0f7af63b06c1a40c0f13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 83401fb4e837ab1dcfb6c0b9fa06e778587c3955c8be22cd28603f40903547fc
[INFO] running `Command { std: "docker" "start" "-a" "83401fb4e837ab1dcfb6c0b9fa06e778587c3955c8be22cd28603f40903547fc", kill_on_drop: false }`
[INFO] [stderr]     Checking mh-z19 v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "83401fb4e837ab1dcfb6c0b9fa06e778587c3955c8be22cd28603f40903547fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83401fb4e837ab1dcfb6c0b9fa06e778587c3955c8be22cd28603f40903547fc", kill_on_drop: false }`
[INFO] [stdout] 83401fb4e837ab1dcfb6c0b9fa06e778587c3955c8be22cd28603f40903547fc