[INFO] fetching crate rust-concurrent 1.3.0...
[INFO] building rust-concurrent-1.3.0 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate rust-concurrent 1.3.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate rust-concurrent 1.3.0
[INFO] finished tweaking crates.io crate rust-concurrent 1.3.0
[INFO] tweaked toml for crates.io crate rust-concurrent 1.3.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust-concurrent 1.3.0 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rust-concurrent 1.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded which v6.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 75cbd1733577c9e2eb2e4142397d1e5a3cc007506de6d16a86306cb739dc3d6b
[INFO] running `Command { std: "docker" "start" "-a" "75cbd1733577c9e2eb2e4142397d1e5a3cc007506de6d16a86306cb739dc3d6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75cbd1733577c9e2eb2e4142397d1e5a3cc007506de6d16a86306cb739dc3d6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75cbd1733577c9e2eb2e4142397d1e5a3cc007506de6d16a86306cb739dc3d6b", kill_on_drop: false }`
[INFO] [stdout] 75cbd1733577c9e2eb2e4142397d1e5a3cc007506de6d16a86306cb739dc3d6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d80cf837c39f23bb339a9fc4913e4a7c08d23a1140bd103d23d33a4d09f78d0b
[INFO] running `Command { std: "docker" "start" "-a" "d80cf837c39f23bb339a9fc4913e4a7c08d23a1140bd103d23d33a4d09f78d0b", kill_on_drop: false }`
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[INFO] [stderr]    Compiling rust-concurrent v1.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `style_name` is never read
[INFO] [stdout]   --> src/progress/style.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct ProgressStyleInfo {
[INFO] [stdout]    |            ----------------- field in this struct
[INFO] [stdout] 27 |     pub style_name: &'static str,
[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 50.43s
[INFO] running `Command { std: "docker" "inspect" "d80cf837c39f23bb339a9fc4913e4a7c08d23a1140bd103d23d33a4d09f78d0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d80cf837c39f23bb339a9fc4913e4a7c08d23a1140bd103d23d33a4d09f78d0b", kill_on_drop: false }`
[INFO] [stdout] d80cf837c39f23bb339a9fc4913e4a7c08d23a1140bd103d23d33a4d09f78d0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd8f2b294b1ed6998a2cbd6750fa71f7e8bfaa50b2989cff2769a10e19e30b43
[INFO] running `Command { std: "docker" "start" "-a" "dd8f2b294b1ed6998a2cbd6750fa71f7e8bfaa50b2989cff2769a10e19e30b43", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-concurrent v1.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `style_name` is never read
[INFO] [stdout]   --> src/progress/style.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct ProgressStyleInfo {
[INFO] [stdout]    |            ----------------- field in this struct
[INFO] [stdout] 27 |     pub style_name: &'static str,
[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 2.13s
[INFO] running `Command { std: "docker" "inspect" "dd8f2b294b1ed6998a2cbd6750fa71f7e8bfaa50b2989cff2769a10e19e30b43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd8f2b294b1ed6998a2cbd6750fa71f7e8bfaa50b2989cff2769a10e19e30b43", kill_on_drop: false }`
[INFO] [stdout] dd8f2b294b1ed6998a2cbd6750fa71f7e8bfaa50b2989cff2769a10e19e30b43