[INFO] fetching crate libmhash 0.2.1...
[INFO] checking libmhash-0.2.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate libmhash 0.2.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate libmhash 0.2.1 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libmhash 0.2.1
[INFO] finished tweaking crates.io crate libmhash 0.2.1
[INFO] tweaked toml for crates.io crate libmhash 0.2.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate libmhash 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crc32c v0.6.4
[INFO] [stderr]   Downloaded ambassador v0.3.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 555aa1a39c0bac2116a823fa06ed64c6a385834cd4a5e2cc008961b0ae4e7c88
[INFO] running `Command { std: "docker" "start" "-a" "555aa1a39c0bac2116a823fa06ed64c6a385834cd4a5e2cc008961b0ae4e7c88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "555aa1a39c0bac2116a823fa06ed64c6a385834cd4a5e2cc008961b0ae4e7c88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "555aa1a39c0bac2116a823fa06ed64c6a385834cd4a5e2cc008961b0ae4e7c88", kill_on_drop: false }`
[INFO] [stdout] 555aa1a39c0bac2116a823fa06ed64c6a385834cd4a5e2cc008961b0ae4e7c88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f76191c5327a7383ff8969cae12ca4d9dbaf220a1f006fb81593514730baf9a4
[INFO] running `Command { std: "docker" "start" "-a" "f76191c5327a7383ff8969cae12ca4d9dbaf220a1f006fb81593514730baf9a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]    Compiling thiserror v1.0.47
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.47
[INFO] [stderr]    Compiling ambassador v0.3.5
[INFO] [stderr]     Checking libmhash v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.20s
[INFO] running `Command { std: "docker" "inspect" "f76191c5327a7383ff8969cae12ca4d9dbaf220a1f006fb81593514730baf9a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f76191c5327a7383ff8969cae12ca4d9dbaf220a1f006fb81593514730baf9a4", kill_on_drop: false }`
[INFO] [stdout] f76191c5327a7383ff8969cae12ca4d9dbaf220a1f006fb81593514730baf9a4