[INFO] fetching crate take_put_back 0.2.0...
[INFO] testing take_put_back-0.2.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate take_put_back 0.2.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate take_put_back 0.2.0
[INFO] finished tweaking crates.io crate take_put_back 0.2.0
[INFO] tweaked toml for crates.io crate take_put_back 0.2.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate take_put_back 0.2.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 45 packages to latest compatible versions
[INFO] [stderr]       Adding nonempty v0.8.1 (available: v0.12.0)
[INFO] [stderr]       Adding petgraph v0.6.5 (available: v0.8.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8731e3b69858744e7cc9bafe77d04ba8d38cd8b3ce38f00cf7e3f876ebb2ee12
[INFO] running `Command { std: "docker" "start" "-a" "8731e3b69858744e7cc9bafe77d04ba8d38cd8b3ce38f00cf7e3f876ebb2ee12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8731e3b69858744e7cc9bafe77d04ba8d38cd8b3ce38f00cf7e3f876ebb2ee12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8731e3b69858744e7cc9bafe77d04ba8d38cd8b3ce38f00cf7e3f876ebb2ee12", kill_on_drop: false }`
[INFO] [stdout] 8731e3b69858744e7cc9bafe77d04ba8d38cd8b3ce38f00cf7e3f876ebb2ee12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 222ec612807d0fe45d81d41ec111b3889ae3287e8898fe01d306894f7c6bd43c
[INFO] running `Command { std: "docker" "start" "-a" "222ec612807d0fe45d81d41ec111b3889ae3287e8898fe01d306894f7c6bd43c", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling anstyle v1.0.13
[INFO] [stderr]    Compiling jiff v0.2.15
[INFO] [stderr]    Compiling nonempty v0.8.1
[INFO] [stderr]    Compiling env_filter v0.1.3
[INFO] [stderr]    Compiling anstream v0.6.20
[INFO] [stderr]    Compiling env_logger v0.11.8
[INFO] [stderr]    Compiling take_put_back v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.68s
[INFO] running `Command { std: "docker" "inspect" "222ec612807d0fe45d81d41ec111b3889ae3287e8898fe01d306894f7c6bd43c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "222ec612807d0fe45d81d41ec111b3889ae3287e8898fe01d306894f7c6bd43c", kill_on_drop: false }`
[INFO] [stdout] 222ec612807d0fe45d81d41ec111b3889ae3287e8898fe01d306894f7c6bd43c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d598f959b689128014cf0a8526ca90544102daaaff2adb073f96b08651fe66b
[INFO] running `Command { std: "docker" "start" "-a" "7d598f959b689128014cf0a8526ca90544102daaaff2adb073f96b08651fe66b", kill_on_drop: false }`
[INFO] [stderr]    Compiling take_put_back v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `Command { std: "docker" "inspect" "7d598f959b689128014cf0a8526ca90544102daaaff2adb073f96b08651fe66b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d598f959b689128014cf0a8526ca90544102daaaff2adb073f96b08651fe66b", kill_on_drop: false }`
[INFO] [stdout] 7d598f959b689128014cf0a8526ca90544102daaaff2adb073f96b08651fe66b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 025b078abed50ae6fd9faefda3c4de677b60d4222a900ad449ccab0e9fd02990
[INFO] running `Command { std: "docker" "start" "-a" "025b078abed50ae6fd9faefda3c4de677b60d4222a900ad449ccab0e9fd02990", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/take_put_back-acd95abb15730253)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test vectors::test::vec_i32 ... ok
[INFO] [stderr]    Doc-tests take_put_back
[INFO] [stdout] test vectors::test::nonempty_i32 ... ok
[INFO] [stdout] test vectors::test::vec_nothing ... ok
[INFO] [stdout] test vectors::test::nonempty_nothing ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[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] running `Command { std: "docker" "inspect" "025b078abed50ae6fd9faefda3c4de677b60d4222a900ad449ccab0e9fd02990", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "025b078abed50ae6fd9faefda3c4de677b60d4222a900ad449ccab0e9fd02990", kill_on_drop: false }`
[INFO] [stdout] 025b078abed50ae6fd9faefda3c4de677b60d4222a900ad449ccab0e9fd02990