[INFO] fetching crate the-zipper 0.1.3...
[INFO] testing the-zipper-0.1.3 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate the-zipper 0.1.3 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate the-zipper 0.1.3
[INFO] finished tweaking crates.io crate the-zipper 0.1.3
[INFO] tweaked toml for crates.io crate the-zipper 0.1.3 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate the-zipper 0.1.3 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate the-zipper 0.1.3 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 671d0d7676a72c2d701099aae01f07d9c28da065b5d02c15fdc1cd4adfa84112
[INFO] running `Command { std: "docker" "start" "-a" "671d0d7676a72c2d701099aae01f07d9c28da065b5d02c15fdc1cd4adfa84112", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "671d0d7676a72c2d701099aae01f07d9c28da065b5d02c15fdc1cd4adfa84112", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "671d0d7676a72c2d701099aae01f07d9c28da065b5d02c15fdc1cd4adfa84112", kill_on_drop: false }`
[INFO] [stdout] 671d0d7676a72c2d701099aae01f07d9c28da065b5d02c15fdc1cd4adfa84112
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec329f7debe45238504a9f556c9cd1bae5dcd56549a95a54b6411c3529fc393e
[INFO] running `Command { std: "docker" "start" "-a" "ec329f7debe45238504a9f556c9cd1bae5dcd56549a95a54b6411c3529fc393e", kill_on_drop: false }`
[INFO] [stderr]    Compiling the-zipper v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "ec329f7debe45238504a9f556c9cd1bae5dcd56549a95a54b6411c3529fc393e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec329f7debe45238504a9f556c9cd1bae5dcd56549a95a54b6411c3529fc393e", kill_on_drop: false }`
[INFO] [stdout] ec329f7debe45238504a9f556c9cd1bae5dcd56549a95a54b6411c3529fc393e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dea8adbbe0361bec9aae6f45849c76173f3f92b4cd27fd6c70d7b36b71eef82b
[INFO] running `Command { std: "docker" "start" "-a" "dea8adbbe0361bec9aae6f45849c76173f3f92b4cd27fd6c70d7b36b71eef82b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling rustix v1.0.5
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling linux-raw-sys v0.9.3
[INFO] [stderr]    Compiling bitflags v2.9.0
[INFO] [stderr]    Compiling anyhow v1.0.97
[INFO] [stderr]    Compiling half v2.5.0
[INFO] [stderr]    Compiling fs-err v3.1.0
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling clap_lex v0.7.4
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling anstyle v1.0.10
[INFO] [stderr]    Compiling camino v1.1.9
[INFO] [stderr]    Compiling winnow v0.7.4
[INFO] [stderr]    Compiling clap_builder v4.5.35
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling filetime v0.2.25
[INFO] [stderr]    Compiling shared_child v1.0.1
[INFO] [stderr]    Compiling os_pipe v1.2.1
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling quick-xml v0.37.4
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling xattr v1.5.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.24
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling clap v4.5.35
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling tar v0.4.44
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling duct v0.13.7
[INFO] [stderr]    Compiling is-terminal v0.4.16
[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stderr]    Compiling glob v0.3.2
[INFO] [stderr]    Compiling ruzstd v0.8.0
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling bstr v1.11.3
[INFO] [stderr]    Compiling lcov2cobertura v1.0.6
[INFO] [stderr]    Compiling lexopt v0.3.1
[INFO] [stderr]    Compiling shell-escape v0.1.5
[INFO] [stderr]    Compiling is_executable v1.0.4
[INFO] [stderr]    Compiling opener v0.7.2
[INFO] [stderr]    Compiling serde_spanned v0.6.8
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling toml_edit v0.22.24
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]    Compiling cargo-config2 v0.1.32
[INFO] [stderr]    Compiling cargo-llvm-cov v0.6.16
[INFO] [stderr]    Compiling the-zipper v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1m 08s
[INFO] running `Command { std: "docker" "inspect" "dea8adbbe0361bec9aae6f45849c76173f3f92b4cd27fd6c70d7b36b71eef82b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dea8adbbe0361bec9aae6f45849c76173f3f92b4cd27fd6c70d7b36b71eef82b", kill_on_drop: false }`
[INFO] [stdout] dea8adbbe0361bec9aae6f45849c76173f3f92b4cd27fd6c70d7b36b71eef82b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 66babd949765d41f2131b381469469882c6746746493a40d0f3aec6e1a2fb4c9
[INFO] running `Command { std: "docker" "start" "-a" "66babd949765d41f2131b381469469882c6746746493a40d0f3aec6e1a2fb4c9", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/the_zipper-1652d30cbd2e1971)
[INFO] [stdout] 
[INFO] [stdout] running 26 tests
[INFO] [stdout] test test::test_change ... ok
[INFO] [stdout] test test::test_change_after_go_left ... ok
[INFO] [stdout] test test::test_delete_top ... ok
[INFO] [stdout] test test::test_delete_last_node ... ok
[INFO] [stdout] test test::test_get_nth_0 ... ok
[INFO] [stdout] test test::test_for_readme ... ok
[INFO] [stdout] test test::test_delete_middle_node ... ok
[INFO] [stdout] test test::test_get_nth_1 ... ok
[INFO] [stdout] test test::test_get_nth_2 ... ok
[INFO] [stdout] test test::test_get_nth_out_of_bounds ... ok
[INFO] [stdout] test test::test_go_down ... ok
[INFO] [stdout] test test::test_go_down_none ... ok
[INFO] [stdout] test test::test_go_left ... ok
[INFO] [stdout] test test::test_go_left_none ... ok
[INFO] [stdout] test test::test_go_right ... ok
[INFO] [stdout] test test::test_go_right_none ... ok
[INFO] [stdout] test test::test_go_up ... ok
[INFO] [stdout] test test::test_insert_down ... ok
[INFO] [stdout] test test::test_insert_down_none ... ok
[INFO] [stdout] test test::test_insert_left_none ... ok
[INFO] [stdout] test test::test_insert_left ... ok
[INFO] [stdout] test test::test_go_up_none ... ok
[INFO] [stdout] test test::test_insert_right ... ok
[INFO] [stdout] test test::test_insert_right_none ... ok
[INFO] [stdout] test test::test_new ... ok
[INFO] [stdout] test test::test_delete_only_child ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests the_zipper
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 28) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.62s; merged doctests compilation took 0.62s
[INFO] running `Command { std: "docker" "inspect" "66babd949765d41f2131b381469469882c6746746493a40d0f3aec6e1a2fb4c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66babd949765d41f2131b381469469882c6746746493a40d0f3aec6e1a2fb4c9", kill_on_drop: false }`
[INFO] [stdout] 66babd949765d41f2131b381469469882c6746746493a40d0f3aec6e1a2fb4c9