[INFO] fetching crate const_unit_poc 1.1.2...
[INFO] checking const_unit_poc-1.1.2 against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] extracting crate const_unit_poc 1.1.2 into /workspace/builds/worker-42/source
[INFO] validating manifest of crates.io crate const_unit_poc 1.1.2 on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-42/source/rust-toolchain
[INFO] started tweaking crates.io crate const_unit_poc 1.1.2
[INFO] finished tweaking crates.io crate const_unit_poc 1.1.2
[INFO] tweaked toml for crates.io crate const_unit_poc 1.1.2 written to /workspace/builds/worker-42/source/Cargo.toml
[INFO] crate crates.io crate const_unit_poc 1.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff806eb191299227654a1f44d48a3807609d796c59be7ad5e4938e9378554d2e
[INFO] running `Command { std: "docker" "start" "-a" "ff806eb191299227654a1f44d48a3807609d796c59be7ad5e4938e9378554d2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff806eb191299227654a1f44d48a3807609d796c59be7ad5e4938e9378554d2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff806eb191299227654a1f44d48a3807609d796c59be7ad5e4938e9378554d2e", kill_on_drop: false }`
[INFO] [stdout] ff806eb191299227654a1f44d48a3807609d796c59be7ad5e4938e9378554d2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7732cd417a228cba48a48b0743ca3f29c8c44c5a1b7378c3837064fc0d10576e
[INFO] running `Command { std: "docker" "start" "-a" "7732cd417a228cba48a48b0743ca3f29c8c44c5a1b7378c3837064fc0d10576e", kill_on_drop: false }`
[INFO] [stderr]     Checking const_unit_poc v1.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "7732cd417a228cba48a48b0743ca3f29c8c44c5a1b7378c3837064fc0d10576e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7732cd417a228cba48a48b0743ca3f29c8c44c5a1b7378c3837064fc0d10576e", kill_on_drop: false }`
[INFO] [stdout] 7732cd417a228cba48a48b0743ca3f29c8c44c5a1b7378c3837064fc0d10576e