[INFO] fetching crate palindromeda 2.0.0...
[INFO] testing palindromeda-2.0.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate palindromeda 2.0.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate palindromeda 2.0.0
[INFO] finished tweaking crates.io crate palindromeda 2.0.0
[INFO] tweaked toml for crates.io crate palindromeda 2.0.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate palindromeda 2.0.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate palindromeda 2.0.0 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc0a344f19d863670529678adec6cfae15f6b3c38969f838d33dff327526bfda
[INFO] running `Command { std: "docker" "start" "-a" "dc0a344f19d863670529678adec6cfae15f6b3c38969f838d33dff327526bfda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc0a344f19d863670529678adec6cfae15f6b3c38969f838d33dff327526bfda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc0a344f19d863670529678adec6cfae15f6b3c38969f838d33dff327526bfda", kill_on_drop: false }`
[INFO] [stdout] dc0a344f19d863670529678adec6cfae15f6b3c38969f838d33dff327526bfda
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b073da2219ad744583aec12e96b002303352ee5d31be8ed73f345f018f1a7db6
[INFO] running `Command { std: "docker" "start" "-a" "b073da2219ad744583aec12e96b002303352ee5d31be8ed73f345f018f1a7db6", kill_on_drop: false }`
[INFO] [stderr]    Compiling forward_ref v1.0.0
[INFO] [stderr]    Compiling palindromeda v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "b073da2219ad744583aec12e96b002303352ee5d31be8ed73f345f018f1a7db6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b073da2219ad744583aec12e96b002303352ee5d31be8ed73f345f018f1a7db6", kill_on_drop: false }`
[INFO] [stdout] b073da2219ad744583aec12e96b002303352ee5d31be8ed73f345f018f1a7db6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16f43b3b339b4d9bd43c186297e068808710655b1052646bcd56e3525b1115e5
[INFO] running `Command { std: "docker" "start" "-a" "16f43b3b339b4d9bd43c186297e068808710655b1052646bcd56e3525b1115e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling clap_builder v4.5.46
[INFO] [stderr]    Compiling criterion-plot v0.6.0
[INFO] [stderr]    Compiling clap v4.5.46
[INFO] [stderr]    Compiling criterion v0.7.0
[INFO] [stderr]    Compiling palindromeda v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 13.50s
[INFO] running `Command { std: "docker" "inspect" "16f43b3b339b4d9bd43c186297e068808710655b1052646bcd56e3525b1115e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16f43b3b339b4d9bd43c186297e068808710655b1052646bcd56e3525b1115e5", kill_on_drop: false }`
[INFO] [stdout] 16f43b3b339b4d9bd43c186297e068808710655b1052646bcd56e3525b1115e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ac6e0caf4091a22f97480dd4f6c59a0dc88e86147ab35ca1a230c3f8f2e362cf
[INFO] running `Command { std: "docker" "start" "-a" "ac6e0caf4091a22f97480dd4f6c59a0dc88e86147ab35ca1a230c3f8f2e362cf", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/palindromeda-acefd50f25c5a4bf)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test tests::test_palindrome_construct ... ok
[INFO] [stdout] test tests::test_palindrome_next ... ok
[INFO] [stdout] test tests::test_palindrome_ge ... ok
[INFO] [stdout] test tests::test_palindrome_le ... ok
[INFO] [stdout] test tests::test_palindrome_previous ... ok
[INFO] [stdout] test tests::test_palindromeiter_first_n_palindromes ... ok
[INFO] [stdout] test tests::test_palindromeiter_first_n_palindromes_from ... ok
[INFO] [stdout] test tests::test_palindrome_closest ... ok
[INFO] [stdout] test tests::test_palindromeiter_len ... ok
[INFO] [stdout] test tests::test_palindrome_construct_panic_on_too_big_length - should panic ... ok
[INFO] [stdout] test tests::test_palindrome_construct_panic_on_too_short_length - should panic ... ok
[INFO] [stdout] test tests::test_palindrome_nth ... ok
[INFO] [stderr]    Doc-tests palindromeda
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.22s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 28) ... ok
[INFO] [stdout] test src/lib.rs - (line 8) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.25s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ac6e0caf4091a22f97480dd4f6c59a0dc88e86147ab35ca1a230c3f8f2e362cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac6e0caf4091a22f97480dd4f6c59a0dc88e86147ab35ca1a230c3f8f2e362cf", kill_on_drop: false }`
[INFO] [stdout] ac6e0caf4091a22f97480dd4f6c59a0dc88e86147ab35ca1a230c3f8f2e362cf