[INFO] fetching crate rev 0.4.1...
[INFO] testing rev-0.4.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate rev 0.4.1 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate rev 0.4.1
[INFO] finished tweaking crates.io crate rev 0.4.1
[INFO] tweaked toml for crates.io crate rev 0.4.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rev 0.4.1 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eba6265450e2a496121aeac14503c6d177e28cb98720470aee95d7ecb2b8ce29
[INFO] running `Command { std: "docker" "start" "-a" "eba6265450e2a496121aeac14503c6d177e28cb98720470aee95d7ecb2b8ce29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eba6265450e2a496121aeac14503c6d177e28cb98720470aee95d7ecb2b8ce29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eba6265450e2a496121aeac14503c6d177e28cb98720470aee95d7ecb2b8ce29", kill_on_drop: false }`
[INFO] [stdout] eba6265450e2a496121aeac14503c6d177e28cb98720470aee95d7ecb2b8ce29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b050eb218ee4ab0d3584a96eeed9fa1075f2113b891eb50bec1d6b6ec0c260c2
[INFO] running `Command { std: "docker" "start" "-a" "b050eb218ee4ab0d3584a96eeed9fa1075f2113b891eb50bec1d6b6ec0c260c2", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling rev v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "b050eb218ee4ab0d3584a96eeed9fa1075f2113b891eb50bec1d6b6ec0c260c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b050eb218ee4ab0d3584a96eeed9fa1075f2113b891eb50bec1d6b6ec0c260c2", kill_on_drop: false }`
[INFO] [stdout] b050eb218ee4ab0d3584a96eeed9fa1075f2113b891eb50bec1d6b6ec0c260c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f1975e1f518c4ae7f9ad945ce8b0caaadb9214899fcce55fd57e34c391047e9
[INFO] running `Command { std: "docker" "start" "-a" "6f1975e1f518c4ae7f9ad945ce8b0caaadb9214899fcce55fd57e34c391047e9", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling rev v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "6f1975e1f518c4ae7f9ad945ce8b0caaadb9214899fcce55fd57e34c391047e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f1975e1f518c4ae7f9ad945ce8b0caaadb9214899fcce55fd57e34c391047e9", kill_on_drop: false }`
[INFO] [stdout] 6f1975e1f518c4ae7f9ad945ce8b0caaadb9214899fcce55fd57e34c391047e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ce48d01c9e561bf1d0564171348be1ac5e5f959a7a6717ec8ed09d2464d6a48d
[INFO] running `Command { std: "docker" "start" "-a" "ce48d01c9e561bf1d0564171348be1ac5e5f959a7a6717ec8ed09d2464d6a48d", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rev-17b0b63bc33518a4)
[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] [stdout] 
[INFO] [stderr]    Doc-tests rev
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - Rev::rev (line 10) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - Rev::rev (line 10) stdout ----
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:15:38
[INFO] [stdout]    |
[INFO] [stdout] 15 | let d: Vec<i32> = x.into_iter().map(|&x| x).collect();
[INFO] [stdout]    |                                      ^^
[INFO] [stdout]    |                                      |
[INFO] [stdout]    |                                      expected integer, found `&_`
[INFO] [stdout]    |                                      expected due to this
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected type `{integer}`
[INFO] [stdout]            found reference `&_`
[INFO] [stdout] help: consider removing `&` from the pattern
[INFO] [stdout]    |
[INFO] [stdout] 15 - let d: Vec<i32> = x.into_iter().map(|&x| x).collect();
[INFO] [stdout] 15 + let d: Vec<i32> = x.into_iter().map(|x| x).collect();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - Rev::rev (line 10)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "ce48d01c9e561bf1d0564171348be1ac5e5f959a7a6717ec8ed09d2464d6a48d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce48d01c9e561bf1d0564171348be1ac5e5f959a7a6717ec8ed09d2464d6a48d", kill_on_drop: false }`
[INFO] [stdout] ce48d01c9e561bf1d0564171348be1ac5e5f959a7a6717ec8ed09d2464d6a48d
