[INFO] fetching crate thumbnailer-bridge 0.1.2...
[INFO] building thumbnailer-bridge-0.1.2 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate thumbnailer-bridge 0.1.2 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate thumbnailer-bridge 0.1.2
[INFO] finished tweaking crates.io crate thumbnailer-bridge 0.1.2
[INFO] tweaked toml for crates.io crate thumbnailer-bridge 0.1.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate thumbnailer-bridge 0.1.2 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] crate crates.io crate thumbnailer-bridge 0.1.2 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded filetime v0.2.21
[INFO] [stderr]   Downloaded rustbus_derive v0.5.0
[INFO] [stderr]   Downloaded tree_magic_mini v3.0.3
[INFO] [stderr]   Downloaded path-dedot v3.1.0
[INFO] [stderr]   Downloaded path-absolutize v3.1.0
[INFO] [stderr]   Downloaded anstream v0.3.2
[INFO] [stderr]   Downloaded proc-macro2 v1.0.60
[INFO] [stderr]   Downloaded clap_lex v0.5.0
[INFO] [stderr]   Downloaded anstyle-wincon v1.0.1
[INFO] [stderr]   Downloaded anyhow v1.0.71
[INFO] [stderr]   Downloaded clap v4.3.4
[INFO] [stderr]   Downloaded rustbus v0.19.2
[INFO] [stderr]   Downloaded clap_derive v4.3.2
[INFO] [stderr]   Downloaded nix v0.26.2
[INFO] [stderr]   Downloaded syn v2.0.18
[INFO] [stderr]   Downloaded clap_builder v4.3.4
[INFO] [stderr]   Downloaded rustix v0.37.20
[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] c8ce87a7d455ba09a9b11eec2180fc2bba6531631a8366c4fedad8a189639bef
[INFO] running `Command { std: "docker" "start" "-a" "c8ce87a7d455ba09a9b11eec2180fc2bba6531631a8366c4fedad8a189639bef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8ce87a7d455ba09a9b11eec2180fc2bba6531631a8366c4fedad8a189639bef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8ce87a7d455ba09a9b11eec2180fc2bba6531631a8366c4fedad8a189639bef", kill_on_drop: false }`
[INFO] [stdout] c8ce87a7d455ba09a9b11eec2180fc2bba6531631a8366c4fedad8a189639bef
[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] 23f0ba8090e279500d476605c7bc7babb45fd248672724552542838023fd93dc
[INFO] running `Command { std: "docker" "start" "-a" "23f0ba8090e279500d476605c7bc7babb45fd248672724552542838023fd93dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling proc-macro2 v1.0.60
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling rustix v0.37.20
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling anstyle-parse v0.2.0
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling anstyle v1.0.0
[INFO] [stderr]    Compiling anstyle-query v1.0.0
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling anyhow v1.0.71
[INFO] [stderr]    Compiling clap_lex v0.5.0
[INFO] [stderr]    Compiling path-dedot v3.1.0
[INFO] [stderr]    Compiling bytecount v0.6.3
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling md5 v0.7.0
[INFO] [stderr]    Compiling path-absolutize v3.1.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling petgraph v0.6.3
[INFO] [stderr]    Compiling syn v2.0.18
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling num_cpus v1.15.0
[INFO] [stderr]    Compiling nix v0.26.2
[INFO] [stderr]    Compiling rayon v1.7.0
[INFO] [stderr]    Compiling tree_magic_mini v3.0.3
[INFO] [stderr]    Compiling rustbus_derive v0.5.0
[INFO] [stderr]    Compiling is-terminal v0.4.7
[INFO] [stderr]    Compiling anstream v0.3.2
[INFO] [stderr]    Compiling clap_builder v4.3.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling clap_derive v4.3.2
[INFO] [stderr]    Compiling rustbus v0.19.2
[INFO] [stderr]    Compiling clap v4.3.4
[INFO] [stderr]    Compiling thumbnailer-bridge v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/rpc.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 81 | /     loop {
[INFO] [stdout] 82 | |         let signal = conn.wait_signal(Timeout::Infinite)?;
[INFO] [stdout] 83 | |
[INFO] [stdout] 84 | |         if signal.dynheader.signature == Some("uas".to_owned()) {
[INFO] [stdout] ...  |
[INFO] [stdout] 93 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 94 |
[INFO] [stdout] 95 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.67s
[INFO] running `Command { std: "docker" "inspect" "23f0ba8090e279500d476605c7bc7babb45fd248672724552542838023fd93dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23f0ba8090e279500d476605c7bc7babb45fd248672724552542838023fd93dc", kill_on_drop: false }`
[INFO] [stdout] 23f0ba8090e279500d476605c7bc7babb45fd248672724552542838023fd93dc
[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] a915b0dcfca29296d71206662ae66f0f8b3ff764e12c52b283fb0e9bd178ed04
[INFO] running `Command { std: "docker" "start" "-a" "a915b0dcfca29296d71206662ae66f0f8b3ff764e12c52b283fb0e9bd178ed04", kill_on_drop: false }`
[INFO] [stderr]    Compiling filetime v0.2.21
[INFO] [stderr]    Compiling thumbnailer-bridge v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/rpc.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 81 | /     loop {
[INFO] [stdout] 82 | |         let signal = conn.wait_signal(Timeout::Infinite)?;
[INFO] [stdout] 83 | |
[INFO] [stdout] 84 | |         if signal.dynheader.signature == Some("uas".to_owned()) {
[INFO] [stdout] ...  |
[INFO] [stdout] 93 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 94 |
[INFO] [stdout] 95 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "a915b0dcfca29296d71206662ae66f0f8b3ff764e12c52b283fb0e9bd178ed04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a915b0dcfca29296d71206662ae66f0f8b3ff764e12c52b283fb0e9bd178ed04", kill_on_drop: false }`
[INFO] [stdout] a915b0dcfca29296d71206662ae66f0f8b3ff764e12c52b283fb0e9bd178ed04