[INFO] fetching crate nth-cons-list 0.1.0...
[INFO] checking nth-cons-list-0.1.0 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate nth-cons-list 0.1.0 into /workspace/builds/worker-74/source
[INFO] validating manifest of crates.io crate nth-cons-list 0.1.0 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 nth-cons-list 0.1.0
[INFO] finished tweaking crates.io crate nth-cons-list 0.1.0
[INFO] tweaked toml for crates.io crate nth-cons-list 0.1.0 written to /workspace/builds/worker-74/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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] 925ff3064f3da1d607e9eb05e915fe3516dd8dbd5bbbccd67c5da0aca1a986d4
[INFO] running `Command { std: "docker" "start" "-a" "925ff3064f3da1d607e9eb05e915fe3516dd8dbd5bbbccd67c5da0aca1a986d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "925ff3064f3da1d607e9eb05e915fe3516dd8dbd5bbbccd67c5da0aca1a986d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "925ff3064f3da1d607e9eb05e915fe3516dd8dbd5bbbccd67c5da0aca1a986d4", kill_on_drop: false }`
[INFO] [stdout] 925ff3064f3da1d607e9eb05e915fe3516dd8dbd5bbbccd67c5da0aca1a986d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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] fbfbf8787b2472c3cd09190103b7128d2830709cb1726d260bcab473870fe1d6
[INFO] running `Command { std: "docker" "start" "-a" "fbfbf8787b2472c3cd09190103b7128d2830709cb1726d260bcab473870fe1d6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking nth-cons-list v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "fbfbf8787b2472c3cd09190103b7128d2830709cb1726d260bcab473870fe1d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbfbf8787b2472c3cd09190103b7128d2830709cb1726d260bcab473870fe1d6", kill_on_drop: false }`
[INFO] [stdout] fbfbf8787b2472c3cd09190103b7128d2830709cb1726d260bcab473870fe1d6