[INFO] fetching crate tnipv-preamble 0.1.0...
[INFO] testing tnipv-preamble-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate tnipv-preamble 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate tnipv-preamble 0.1.0
[INFO] finished tweaking crates.io crate tnipv-preamble 0.1.0
[INFO] tweaked toml for crates.io crate tnipv-preamble 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tnipv-preamble 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] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 16 packages to latest compatible versions
[INFO] [stderr]       Adding annotate-snippets v0.9.2 (available: v0.12.15)
[INFO] [stderr]       Adding snafu v0.7.5 (available: v0.9.0)
[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-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9719221773a5742831282c4db9ff124fe1977e99d1c45045a7c03c9c410fa2bf
[INFO] running `Command { std: "docker" "start" "-a" "9719221773a5742831282c4db9ff124fe1977e99d1c45045a7c03c9c410fa2bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9719221773a5742831282c4db9ff124fe1977e99d1c45045a7c03c9c410fa2bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9719221773a5742831282c4db9ff124fe1977e99d1c45045a7c03c9c410fa2bf", kill_on_drop: false }`
[INFO] [stdout] 9719221773a5742831282c4db9ff124fe1977e99d1c45045a7c03c9c410fa2bf
[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=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] 0e292db3963218b6f1d4574b7daba145e61019d68e451a40d6f254663977005c
[INFO] running `Command { std: "docker" "start" "-a" "0e292db3963218b6f1d4574b7daba145e61019d68e451a40d6f254663977005c", kill_on_drop: false }`
[INFO] [stderr]    Compiling annotate-snippets v0.9.2
[INFO] [stderr]    Compiling snafu-derive v0.7.5
[INFO] [stderr]    Compiling snafu v0.7.5
[INFO] [stderr]    Compiling tnipv-preamble v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.00s
[INFO] running `Command { std: "docker" "inspect" "0e292db3963218b6f1d4574b7daba145e61019d68e451a40d6f254663977005c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e292db3963218b6f1d4574b7daba145e61019d68e451a40d6f254663977005c", kill_on_drop: false }`
[INFO] [stdout] 0e292db3963218b6f1d4574b7daba145e61019d68e451a40d6f254663977005c
[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=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] 94b126d0fc161169c54979a4b2ff5c79d3eca3d428dc366dda177f5bd5d5fd08
[INFO] running `Command { std: "docker" "start" "-a" "94b126d0fc161169c54979a4b2ff5c79d3eca3d428dc366dda177f5bd5d5fd08", kill_on_drop: false }`
[INFO] [stderr]    Compiling tnipv-preamble v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "94b126d0fc161169c54979a4b2ff5c79d3eca3d428dc366dda177f5bd5d5fd08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94b126d0fc161169c54979a4b2ff5c79d3eca3d428dc366dda177f5bd5d5fd08", kill_on_drop: false }`
[INFO] [stdout] 94b126d0fc161169c54979a4b2ff5c79d3eca3d428dc366dda177f5bd5d5fd08
[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=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] 111a72a6393fc3d6aeff670b67fb6e5ae1fffbf92e7fcb65e7475eaf8f3b1e53
[INFO] running `Command { std: "docker" "start" "-a" "111a72a6393fc3d6aeff670b67fb6e5ae1fffbf92e7fcb65e7475eaf8f3b1e53", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tnipv_preamble-6138ff47748db654)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test tests::parse_missing_value ... ok
[INFO] [stdout] test tests::split ... ok
[INFO] [stdout] test tests::split_leading_garbage ... ok
[INFO] [stdout] test tests::parse ... ok
[INFO] [stdout] test tests::split_missing_start ... ok
[INFO] [stdout] test tests::split_missing_end ... ok
[INFO] [stdout] test tests::split_no_trailing_newline ... ok
[INFO] [stdout] test tests::split_carriage_return_then_line_feed ... ok
[INFO] [stdout] test tests::parse_missing_colon ... ok
[INFO] [stdout] test tests::split_line_feed ... ok
[INFO] [stderr]    Doc-tests tnipv_preamble
[INFO] [stdout] test tests::split_carriage_return ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[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" "111a72a6393fc3d6aeff670b67fb6e5ae1fffbf92e7fcb65e7475eaf8f3b1e53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "111a72a6393fc3d6aeff670b67fb6e5ae1fffbf92e7fcb65e7475eaf8f3b1e53", kill_on_drop: false }`
[INFO] [stdout] 111a72a6393fc3d6aeff670b67fb6e5ae1fffbf92e7fcb65e7475eaf8f3b1e53
