[INFO] fetching crate fastrand-contrib 0.1.0...
[INFO] checking fastrand-contrib-0.1.0 against try#0edd13c68435d50367c79cef43ac2768d2ec4f3d for pr-129422
[INFO] extracting crate fastrand-contrib 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate fastrand-contrib 0.1.0 on toolchain 0edd13c68435d50367c79cef43ac2768d2ec4f3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fastrand-contrib 0.1.0
[INFO] finished tweaking crates.io crate fastrand-contrib 0.1.0
[INFO] tweaked toml for crates.io crate fastrand-contrib 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc12796a3adb23ece3abeaafca1f5754f5d9c55d4b93f8bb08a35ad3970f4adb
[INFO] running `Command { std: "docker" "start" "-a" "dc12796a3adb23ece3abeaafca1f5754f5d9c55d4b93f8bb08a35ad3970f4adb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc12796a3adb23ece3abeaafca1f5754f5d9c55d4b93f8bb08a35ad3970f4adb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc12796a3adb23ece3abeaafca1f5754f5d9c55d4b93f8bb08a35ad3970f4adb", kill_on_drop: false }`
[INFO] [stdout] dc12796a3adb23ece3abeaafca1f5754f5d9c55d4b93f8bb08a35ad3970f4adb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 576c03ed0d2c1aefa841b7c8e0d48cb1aa818363e2666eb4c2a4faf65e46e939
[INFO] running `Command { std: "docker" "start" "-a" "576c03ed0d2c1aefa841b7c8e0d48cb1aa818363e2666eb4c2a4faf65e46e939", kill_on_drop: false }`
[INFO] [stderr]     Checking fastrand v2.1.1
[INFO] [stderr]     Checking fastrand-contrib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `Sealed` is never used
[INFO] [stdout]    --> src/lib.rs:182:15
[INFO] [stdout]     |
[INFO] [stdout] 182 |     pub trait Sealed {}
[INFO] [stdout]     |               ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Sealed` is never used
[INFO] [stdout]    --> src/lib.rs:182:15
[INFO] [stdout]     |
[INFO] [stdout] 182 |     pub trait Sealed {}
[INFO] [stdout]     |               ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "576c03ed0d2c1aefa841b7c8e0d48cb1aa818363e2666eb4c2a4faf65e46e939", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "576c03ed0d2c1aefa841b7c8e0d48cb1aa818363e2666eb4c2a4faf65e46e939", kill_on_drop: false }`
[INFO] [stdout] 576c03ed0d2c1aefa841b7c8e0d48cb1aa818363e2666eb4c2a4faf65e46e939