[INFO] fetching crate fallible_collections 0.4.9...
[INFO] checking fallible_collections-0.4.9 against master#a3f76a26e045a760bb1163b7eab36872985242d5 for pr-130930
[INFO] extracting crate fallible_collections 0.4.9 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate fallible_collections 0.4.9 on toolchain a3f76a26e045a760bb1163b7eab36872985242d5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fallible_collections 0.4.9
[INFO] finished tweaking crates.io crate fallible_collections 0.4.9
[INFO] tweaked toml for crates.io crate fallible_collections 0.4.9 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 11 packages to latest compatible versions
[INFO] [stderr]       Adding hashbrown v0.13.2 (available: v0.14.5)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae9820cdcb3401a628c8f23cee94b2a72210e04d9b7f4d24154e142cfd072c89
[INFO] running `Command { std: "docker" "start" "-a" "ae9820cdcb3401a628c8f23cee94b2a72210e04d9b7f4d24154e142cfd072c89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae9820cdcb3401a628c8f23cee94b2a72210e04d9b7f4d24154e142cfd072c89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae9820cdcb3401a628c8f23cee94b2a72210e04d9b7f4d24154e142cfd072c89", kill_on_drop: false }`
[INFO] [stdout] ae9820cdcb3401a628c8f23cee94b2a72210e04d9b7f4d24154e142cfd072c89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e9992d1ca22acdd6bae0098ec02b56cd4d332bd3e217dece9fe9a62c007c7fe
[INFO] running `Command { std: "docker" "start" "-a" "6e9992d1ca22acdd6bae0098ec02b56cd4d332bd3e217dece9fe9a62c007c7fe", kill_on_drop: false }`
[INFO] [stderr]     Checking ahash v0.8.11
[INFO] [stderr]     Checking hashbrown v0.13.2
[INFO] [stderr]     Checking fallible_collections v0.4.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `Truncate` is never used
[INFO] [stdout]    --> src/vec.rs:699:7
[INFO] [stdout]     |
[INFO] [stdout] 699 | trait Truncate {
[INFO] [stdout]     |       ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Truncate` is never used
[INFO] [stdout]    --> src/vec.rs:699:7
[INFO] [stdout]     |
[INFO] [stdout] 699 | trait Truncate {
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "6e9992d1ca22acdd6bae0098ec02b56cd4d332bd3e217dece9fe9a62c007c7fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e9992d1ca22acdd6bae0098ec02b56cd4d332bd3e217dece9fe9a62c007c7fe", kill_on_drop: false }`
[INFO] [stdout] 6e9992d1ca22acdd6bae0098ec02b56cd4d332bd3e217dece9fe9a62c007c7fe