[INFO] fetching crate sift_error 0.7.0-rc.1...
[INFO] testing sift_error-0.7.0-rc.1 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate sift_error 0.7.0-rc.1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate sift_error 0.7.0-rc.1
[INFO] finished tweaking crates.io crate sift_error 0.7.0-rc.1
[INFO] tweaked toml for crates.io crate sift_error 0.7.0-rc.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sift_error 0.7.0-rc.1 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate sift_error 0.7.0-rc.1 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fb48a29c592828d923fb990ee79df040fdeaa29b1eecbac7f7e99b3d00627e6e
[INFO] running `Command { std: "docker" "start" "-a" "fb48a29c592828d923fb990ee79df040fdeaa29b1eecbac7f7e99b3d00627e6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb48a29c592828d923fb990ee79df040fdeaa29b1eecbac7f7e99b3d00627e6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb48a29c592828d923fb990ee79df040fdeaa29b1eecbac7f7e99b3d00627e6e", kill_on_drop: false }`
[INFO] [stdout] fb48a29c592828d923fb990ee79df040fdeaa29b1eecbac7f7e99b3d00627e6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa3b366fb4264502a989613edc6309388250fb5882e5b96ae7eb14b46114300b
[INFO] running `Command { std: "docker" "start" "-a" "aa3b366fb4264502a989613edc6309388250fb5882e5b96ae7eb14b46114300b", kill_on_drop: false }`
[INFO] [stderr]    Compiling sift_error v0.7.0-rc.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "aa3b366fb4264502a989613edc6309388250fb5882e5b96ae7eb14b46114300b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa3b366fb4264502a989613edc6309388250fb5882e5b96ae7eb14b46114300b", kill_on_drop: false }`
[INFO] [stdout] aa3b366fb4264502a989613edc6309388250fb5882e5b96ae7eb14b46114300b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33c10c9991dd34274110a1cc81802d3c0e168c177ddd29f0327f679d580b5d79
[INFO] running `Command { std: "docker" "start" "-a" "33c10c9991dd34274110a1cc81802d3c0e168c177ddd29f0327f679d580b5d79", kill_on_drop: false }`
[INFO] [stderr]    Compiling indoc v2.0.7
[INFO] [stderr]    Compiling sift_error v0.7.0-rc.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "33c10c9991dd34274110a1cc81802d3c0e168c177ddd29f0327f679d580b5d79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33c10c9991dd34274110a1cc81802d3c0e168c177ddd29f0327f679d580b5d79", kill_on_drop: false }`
[INFO] [stdout] 33c10c9991dd34274110a1cc81802d3c0e168c177ddd29f0327f679d580b5d79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0ef3b593d68cbf63f488c04be979b1e734aa17a906d60597dff2bbd8f8a35ec1
[INFO] running `Command { std: "docker" "start" "-a" "0ef3b593d68cbf63f488c04be979b1e734aa17a906d60597dff2bbd8f8a35ec1", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sift_error-b00323df7df1a52c)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test::test_error_formatting ... 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] [stderr]    Doc-tests sift_error
[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" "0ef3b593d68cbf63f488c04be979b1e734aa17a906d60597dff2bbd8f8a35ec1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ef3b593d68cbf63f488c04be979b1e734aa17a906d60597dff2bbd8f8a35ec1", kill_on_drop: false }`
[INFO] [stdout] 0ef3b593d68cbf63f488c04be979b1e734aa17a906d60597dff2bbd8f8a35ec1