[INFO] fetching crate simrs 0.1.2...
[INFO] checking simrs-0.1.2 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate simrs 0.1.2 into /workspace/builds/worker-42/source
[INFO] validating manifest of crates.io crate simrs 0.1.2 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate simrs 0.1.2
[INFO] finished tweaking crates.io crate simrs 0.1.2
[INFO] tweaked toml for crates.io crate simrs 0.1.2 written to /workspace/builds/worker-42/source/Cargo.toml
[INFO] crate crates.io crate simrs 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 949d1bec52693ae6d3bbd69e48f48fd75171209ce06ad1a7ddd5f6aca9a00da8
[INFO] running `Command { std: "docker" "start" "-a" "949d1bec52693ae6d3bbd69e48f48fd75171209ce06ad1a7ddd5f6aca9a00da8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "949d1bec52693ae6d3bbd69e48f48fd75171209ce06ad1a7ddd5f6aca9a00da8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "949d1bec52693ae6d3bbd69e48f48fd75171209ce06ad1a7ddd5f6aca9a00da8", kill_on_drop: false }`
[INFO] [stdout] 949d1bec52693ae6d3bbd69e48f48fd75171209ce06ad1a7ddd5f6aca9a00da8
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07e2cea7e216a42491f7ba00bb33fd126422b87cae3e27d47c247bb2e362a14f
[INFO] running `Command { std: "docker" "start" "-a" "07e2cea7e216a42491f7ba00bb33fd126422b87cae3e27d47c247bb2e362a14f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking simrs v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "07e2cea7e216a42491f7ba00bb33fd126422b87cae3e27d47c247bb2e362a14f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07e2cea7e216a42491f7ba00bb33fd126422b87cae3e27d47c247bb2e362a14f", kill_on_drop: false }`
[INFO] [stdout] 07e2cea7e216a42491f7ba00bb33fd126422b87cae3e27d47c247bb2e362a14f