[INFO] fetching crate tars-core 0.1.0...
[INFO] testing tars-core-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate tars-core 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate tars-core 0.1.0
[INFO] finished tweaking crates.io crate tars-core 0.1.0
[INFO] tweaked toml for crates.io crate tars-core 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tars-core 0.1.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] cf07e75d723173bed8d12b624eaf6e578973aa6513c2a5aed62860faee24b0ab
[INFO] running `Command { std: "docker" "start" "-a" "cf07e75d723173bed8d12b624eaf6e578973aa6513c2a5aed62860faee24b0ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf07e75d723173bed8d12b624eaf6e578973aa6513c2a5aed62860faee24b0ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf07e75d723173bed8d12b624eaf6e578973aa6513c2a5aed62860faee24b0ab", kill_on_drop: false }`
[INFO] [stdout] cf07e75d723173bed8d12b624eaf6e578973aa6513c2a5aed62860faee24b0ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 13bc42aa5a74c47f240522eaaa7f8a76a4192d64e53498b1c2af8591e1604cb3
[INFO] running `Command { std: "docker" "start" "-a" "13bc42aa5a74c47f240522eaaa7f8a76a4192d64e53498b1c2af8591e1604cb3", kill_on_drop: false }`
[INFO] [stderr]    Compiling tars-core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "13bc42aa5a74c47f240522eaaa7f8a76a4192d64e53498b1c2af8591e1604cb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13bc42aa5a74c47f240522eaaa7f8a76a4192d64e53498b1c2af8591e1604cb3", kill_on_drop: false }`
[INFO] [stdout] 13bc42aa5a74c47f240522eaaa7f8a76a4192d64e53498b1c2af8591e1604cb3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] d08fe1328101a516792a3e4a5961eaa55a8dff11ec00577ee91035a3cc23b74d
[INFO] running `Command { std: "docker" "start" "-a" "d08fe1328101a516792a3e4a5961eaa55a8dff11ec00577ee91035a3cc23b74d", kill_on_drop: false }`
[INFO] [stderr]    Compiling tars-core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "d08fe1328101a516792a3e4a5961eaa55a8dff11ec00577ee91035a3cc23b74d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d08fe1328101a516792a3e4a5961eaa55a8dff11ec00577ee91035a3cc23b74d", kill_on_drop: false }`
[INFO] [stdout] d08fe1328101a516792a3e4a5961eaa55a8dff11ec00577ee91035a3cc23b74d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] e7b499f9b41239ad6399ddebc5bededcf8b207ca3386754e8083b15db1e0db64
[INFO] running `Command { std: "docker" "start" "-a" "e7b499f9b41239ad6399ddebc5bededcf8b207ca3386754e8083b15db1e0db64", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tars_core-ae89fe51c2ee08eb)
[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 tars_core
[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" "e7b499f9b41239ad6399ddebc5bededcf8b207ca3386754e8083b15db1e0db64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7b499f9b41239ad6399ddebc5bededcf8b207ca3386754e8083b15db1e0db64", kill_on_drop: false }`
[INFO] [stdout] e7b499f9b41239ad6399ddebc5bededcf8b207ca3386754e8083b15db1e0db64
