[INFO] fetching crate str-queue 0.0.1...
[INFO] building str-queue-0.0.1 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate str-queue 0.0.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate str-queue 0.0.1
[INFO] finished tweaking crates.io crate str-queue 0.0.1
[INFO] tweaked toml for crates.io crate str-queue 0.0.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate str-queue 0.0.1 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d374d775170f149cd40a9d6f6318a0298f0fa05dc0f7c0708a56eb0e838f19f2
[INFO] running `Command { std: "docker" "start" "-a" "d374d775170f149cd40a9d6f6318a0298f0fa05dc0f7c0708a56eb0e838f19f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d374d775170f149cd40a9d6f6318a0298f0fa05dc0f7c0708a56eb0e838f19f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d374d775170f149cd40a9d6f6318a0298f0fa05dc0f7c0708a56eb0e838f19f2", kill_on_drop: false }`
[INFO] [stdout] d374d775170f149cd40a9d6f6318a0298f0fa05dc0f7c0708a56eb0e838f19f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39cce78d7a26b9d9994a137fa962cb8596507d5e1538a947fb285c70b139f1a5
[INFO] running `Command { std: "docker" "start" "-a" "39cce78d7a26b9d9994a137fa962cb8596507d5e1538a947fb285c70b139f1a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling str-queue v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `BoundExt` is never used
[INFO] [stdout]     --> src/lib.rs:1780:7
[INFO] [stdout]      |
[INFO] [stdout] 1780 | trait BoundExt<T> {
[INFO] [stdout]      |       ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "39cce78d7a26b9d9994a137fa962cb8596507d5e1538a947fb285c70b139f1a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39cce78d7a26b9d9994a137fa962cb8596507d5e1538a947fb285c70b139f1a5", kill_on_drop: false }`
[INFO] [stdout] 39cce78d7a26b9d9994a137fa962cb8596507d5e1538a947fb285c70b139f1a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] efe76fbc86227a7aa2bed107b88903db3930b3c76f5c002a7e9f0458aa1f25ec
[INFO] running `Command { std: "docker" "start" "-a" "efe76fbc86227a7aa2bed107b88903db3930b3c76f5c002a7e9f0458aa1f25ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling str-queue v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `BoundExt` is never used
[INFO] [stdout]     --> src/lib.rs:1780:7
[INFO] [stdout]      |
[INFO] [stdout] 1780 | trait BoundExt<T> {
[INFO] [stdout]      |       ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `BoundExt` is never used
[INFO] [stdout]     --> src/lib.rs:1780:7
[INFO] [stdout]      |
[INFO] [stdout] 1780 | trait BoundExt<T> {
[INFO] [stdout]      |       ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "efe76fbc86227a7aa2bed107b88903db3930b3c76f5c002a7e9f0458aa1f25ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efe76fbc86227a7aa2bed107b88903db3930b3c76f5c002a7e9f0458aa1f25ec", kill_on_drop: false }`
[INFO] [stdout] efe76fbc86227a7aa2bed107b88903db3930b3c76f5c002a7e9f0458aa1f25ec