[INFO] fetching crate unibox 0.2.0...
[INFO] testing unibox-0.2.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate unibox 0.2.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate unibox 0.2.0
[INFO] finished tweaking crates.io crate unibox 0.2.0
[INFO] tweaked toml for crates.io crate unibox 0.2.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate unibox 0.2.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate unibox 0.2.0 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f3ee1a85ff8d38fd2f77c6ad4560d476629b46729d7b4c444eaecbf1d3d4091
[INFO] running `Command { std: "docker" "start" "-a" "6f3ee1a85ff8d38fd2f77c6ad4560d476629b46729d7b4c444eaecbf1d3d4091", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f3ee1a85ff8d38fd2f77c6ad4560d476629b46729d7b4c444eaecbf1d3d4091", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f3ee1a85ff8d38fd2f77c6ad4560d476629b46729d7b4c444eaecbf1d3d4091", kill_on_drop: false }`
[INFO] [stdout] 6f3ee1a85ff8d38fd2f77c6ad4560d476629b46729d7b4c444eaecbf1d3d4091
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28bbdf737be9c397e9db818648589352807677e1cd71a25555e73b9630adf946
[INFO] running `Command { std: "docker" "start" "-a" "28bbdf737be9c397e9db818648589352807677e1cd71a25555e73b9630adf946", kill_on_drop: false }`
[INFO] [stderr]    Compiling unibox v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `color_ref` is never read
[INFO] [stdout]    --> src/main.rs:230:9
[INFO] [stdout]     |
[INFO] [stdout] 229 |     struct MyStruct<'a> {
[INFO] [stdout]     |            -------- field in this struct
[INFO] [stdout] 230 |         color_ref: &'a Box<Color>
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MyStruct` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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 0.73s
[INFO] running `Command { std: "docker" "inspect" "28bbdf737be9c397e9db818648589352807677e1cd71a25555e73b9630adf946", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28bbdf737be9c397e9db818648589352807677e1cd71a25555e73b9630adf946", kill_on_drop: false }`
[INFO] [stdout] 28bbdf737be9c397e9db818648589352807677e1cd71a25555e73b9630adf946
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d2706166e60afd0e7fb677265496bc78293d1019b746c562416a9189514bb0e
[INFO] running `Command { std: "docker" "start" "-a" "6d2706166e60afd0e7fb677265496bc78293d1019b746c562416a9189514bb0e", kill_on_drop: false }`
[INFO] [stderr]    Compiling unibox v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "6d2706166e60afd0e7fb677265496bc78293d1019b746c562416a9189514bb0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d2706166e60afd0e7fb677265496bc78293d1019b746c562416a9189514bb0e", kill_on_drop: false }`
[INFO] [stdout] 6d2706166e60afd0e7fb677265496bc78293d1019b746c562416a9189514bb0e
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 557d27520ebd9bc252fd7e94c58528f9f741a2b49c52c5f431db65128aab6673
[INFO] running `Command { std: "docker" "start" "-a" "557d27520ebd9bc252fd7e94c58528f9f741a2b49c52c5f431db65128aab6673", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/unibox-3acf43a37f58ac0e)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::static_128 ... ok
[INFO] [stdout] test tests::dynamic ... ok
[INFO] [stdout] test tests::static_256 ... ok
[INFO] [stdout] test tests::static_32 ... ok
[INFO] [stdout] test tests::static_64 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/unibox-97793143a4176f29)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    Doc-tests unibox
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 123) ... ok
[INFO] [stdout] test src/lib.rs - (line 98) ... ok
[INFO] [stdout] test src/lib.rs - (line 32) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.62s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "557d27520ebd9bc252fd7e94c58528f9f741a2b49c52c5f431db65128aab6673", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "557d27520ebd9bc252fd7e94c58528f9f741a2b49c52c5f431db65128aab6673", kill_on_drop: false }`
[INFO] [stdout] 557d27520ebd9bc252fd7e94c58528f9f741a2b49c52c5f431db65128aab6673