[INFO] fetching crate stackfmt 0.1.2...
[INFO] testing stackfmt-0.1.2 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate stackfmt 0.1.2 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate stackfmt 0.1.2
[INFO] finished tweaking crates.io crate stackfmt 0.1.2
[INFO] tweaked toml for crates.io crate stackfmt 0.1.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate stackfmt 0.1.2 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]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 1cab59dc4af7630705b50b058163562087954cb68753f009b9a1087d55a7f727
[INFO] running `Command { std: "docker" "start" "-a" "1cab59dc4af7630705b50b058163562087954cb68753f009b9a1087d55a7f727", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1cab59dc4af7630705b50b058163562087954cb68753f009b9a1087d55a7f727", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cab59dc4af7630705b50b058163562087954cb68753f009b9a1087d55a7f727", kill_on_drop: false }`
[INFO] [stdout] 1cab59dc4af7630705b50b058163562087954cb68753f009b9a1087d55a7f727
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] a8cadb438f652e03d626bbb270c0f6f07b1108419035f06e338f09c6da1fb85f
[INFO] running `Command { std: "docker" "start" "-a" "a8cadb438f652e03d626bbb270c0f6f07b1108419035f06e338f09c6da1fb85f", kill_on_drop: false }`
[INFO] [stderr]    Compiling stackfmt v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "a8cadb438f652e03d626bbb270c0f6f07b1108419035f06e338f09c6da1fb85f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8cadb438f652e03d626bbb270c0f6f07b1108419035f06e338f09c6da1fb85f", kill_on_drop: false }`
[INFO] [stdout] a8cadb438f652e03d626bbb270c0f6f07b1108419035f06e338f09c6da1fb85f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] ca8444e4bcbb365b844f274088126088b1e124ed9e67254689ec7bf65864413a
[INFO] running `Command { std: "docker" "start" "-a" "ca8444e4bcbb365b844f274088126088b1e124ed9e67254689ec7bf65864413a", kill_on_drop: false }`
[INFO] [stderr]    Compiling stackfmt v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "ca8444e4bcbb365b844f274088126088b1e124ed9e67254689ec7bf65864413a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca8444e4bcbb365b844f274088126088b1e124ed9e67254689ec7bf65864413a", kill_on_drop: false }`
[INFO] [stdout] ca8444e4bcbb365b844f274088126088b1e124ed9e67254689ec7bf65864413a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 7891391d15a30797d4dd26e1a76a611ccfc2c967b78d54679328ec49c6cdf31b
[INFO] running `Command { std: "docker" "start" "-a" "7891391d15a30797d4dd26e1a76a611ccfc2c967b78d54679328ec49c6cdf31b", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/stackfmt-c11b60b1528d458b)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test stackfmt::tests::find_closest_boundary_test_ascii ... ok
[INFO] [stdout] test stackfmt::tests::find_closest_boundary_test_unicode ... ok
[INFO] [stdout] test stackfmt::tests::format_truncate_ascii ... ok
[INFO] [stdout] test stackfmt::tests::format_ok ... ok
[INFO] [stdout] test stackfmt::tests::format_truncate_ascii_second ... ok
[INFO] [stdout] test stackfmt::tests::format_truncate_unicode ... ok
[INFO] [stdout] test stackfmt::tests::format_zero ... ok
[INFO] [stdout] test stackfmt::tests::is_not_first_utf8_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests stackfmt
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/stackfmt.rs - stackfmt::fmt_truncate (line 105) ... ok
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] test src/stackfmt.rs - stackfmt::WriteTo (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.22s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7891391d15a30797d4dd26e1a76a611ccfc2c967b78d54679328ec49c6cdf31b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7891391d15a30797d4dd26e1a76a611ccfc2c967b78d54679328ec49c6cdf31b", kill_on_drop: false }`
[INFO] [stdout] 7891391d15a30797d4dd26e1a76a611ccfc2c967b78d54679328ec49c6cdf31b
