[INFO] cloning repository https://github.com/harkerhand/learn_std
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/harkerhand/learn_std" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharkerhand%2Flearn_std", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharkerhand%2Flearn_std'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 84fcadf58b7eea04733cb02f51b7f6b0c436e615
[INFO] testing harkerhand/learn_std against beta-2026-04-21 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharkerhand%2Flearn_std" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/harkerhand/learn_std
[INFO] finished tweaking git repo https://github.com/harkerhand/learn_std
[INFO] tweaked toml for git repo https://github.com/harkerhand/learn_std written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/harkerhand/learn_std 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] crate git repo https://github.com/harkerhand/learn_std 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 8dcd227164b117d9c98949c51a749a05dd3c417563b9f904f62d859bb511ffa9
[INFO] running `Command { std: "docker" "start" "-a" "8dcd227164b117d9c98949c51a749a05dd3c417563b9f904f62d859bb511ffa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8dcd227164b117d9c98949c51a749a05dd3c417563b9f904f62d859bb511ffa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dcd227164b117d9c98949c51a749a05dd3c417563b9f904f62d859bb511ffa9", kill_on_drop: false }`
[INFO] [stdout] 8dcd227164b117d9c98949c51a749a05dd3c417563b9f904f62d859bb511ffa9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] daf25b597577640e4a2c784243dca410f14f6d963cc9d6162ee21f3e8a6ae81d
[INFO] running `Command { std: "docker" "start" "-a" "daf25b597577640e4a2c784243dca410f14f6d963cc9d6162ee21f3e8a6ae81d", kill_on_drop: false }`
[INFO] [stderr]    Compiling learn_std v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "daf25b597577640e4a2c784243dca410f14f6d963cc9d6162ee21f3e8a6ae81d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "daf25b597577640e4a2c784243dca410f14f6d963cc9d6162ee21f3e8a6ae81d", kill_on_drop: false }`
[INFO] [stdout] daf25b597577640e4a2c784243dca410f14f6d963cc9d6162ee21f3e8a6ae81d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 5e7c1722d5a776864e93b39db19b9d3759dd3f9d8030beff82e9b5a8e885f296
[INFO] running `Command { std: "docker" "start" "-a" "5e7c1722d5a776864e93b39db19b9d3759dd3f9d8030beff82e9b5a8e885f296", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling zerocopy v0.8.42
[INFO] [stderr]    Compiling anstyle v1.0.14
[INFO] [stderr]    Compiling clap_lex v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling alloca v0.4.0
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling rand_core v0.10.0
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling cpufeatures v0.3.0
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling page_size v0.6.0
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stderr]    Compiling chacha20 v0.10.0
[INFO] [stderr]    Compiling clap_builder v4.6.0
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling rand v0.10.0
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling criterion-plot v0.8.2
[INFO] [stderr]    Compiling clap v4.6.0
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling zerocopy-derive v0.8.42
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling half v2.7.1
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling criterion v0.8.2
[INFO] [stderr]    Compiling learn_std v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 26.05s
[INFO] running `Command { std: "docker" "inspect" "5e7c1722d5a776864e93b39db19b9d3759dd3f9d8030beff82e9b5a8e885f296", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e7c1722d5a776864e93b39db19b9d3759dd3f9d8030beff82e9b5a8e885f296", kill_on_drop: false }`
[INFO] [stdout] 5e7c1722d5a776864e93b39db19b9d3759dd3f9d8030beff82e9b5a8e885f296
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 9bff7bbd8b0ed4337076d939f2116f581e9af8d98b8450ba5e888ef843659f1e
[INFO] running `Command { std: "docker" "start" "-a" "9bff7bbd8b0ed4337076d939f2116f581e9af8d98b8450ba5e888ef843659f1e", 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/learn_std-6a87958e49353a78)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test hashmap::tests::test_match_group ... ok
[INFO] [stdout] test vec::tests::test_vec ... ok
[INFO] [stdout] test hashmap::tests::test_hash_map ... ok
[INFO] [stdout] test linked_list::tests::test_linked_list ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests learn_std
[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" "9bff7bbd8b0ed4337076d939f2116f581e9af8d98b8450ba5e888ef843659f1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bff7bbd8b0ed4337076d939f2116f581e9af8d98b8450ba5e888ef843659f1e", kill_on_drop: false }`
[INFO] [stdout] 9bff7bbd8b0ed4337076d939f2116f581e9af8d98b8450ba5e888ef843659f1e
