[INFO] fetching crate rskit-chain 0.2.0-alpha.4...
[INFO] testing rskit-chain-0.2.0-alpha.4 against 1.99.0-beta.8 for beta-1.100-2
[INFO] extracting crate rskit-chain 0.2.0-alpha.4 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate rskit-chain 0.2.0-alpha.4
[INFO] finished tweaking crates.io crate rskit-chain 0.2.0-alpha.4
[INFO] tweaked toml for crates.io crate rskit-chain 0.2.0-alpha.4 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rskit-chain 0.2.0-alpha.4 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rskit-chain 0.2.0-alpha.4 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded http v1.4.1
[INFO] [stderr]   Downloaded rskit-errors v0.2.0-alpha.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 9a0a4c996997cf58f5ca8304a3b12d5147d5d69818083369ab72a1524dca0e75
[INFO] running `Command { std: "docker" "start" "9a0a4c996997cf58f5ca8304a3b12d5147d5d69818083369ab72a1524dca0e75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a0a4c996997cf58f5ca8304a3b12d5147d5d69818083369ab72a1524dca0e75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "9a0a4c996997cf58f5ca8304a3b12d5147d5d69818083369ab72a1524dca0e75" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a0a4c996997cf58f5ca8304a3b12d5147d5d69818083369ab72a1524dca0e75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "9a0a4c996997cf58f5ca8304a3b12d5147d5d69818083369ab72a1524dca0e75" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling mio v1.2.1
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]    Compiling tokio-macros v2.7.0
[INFO] [stderr]    Compiling socket2 v0.6.4
[INFO] [stderr]    Compiling memchr v2.8.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling http v1.4.1
[INFO] [stderr]    Compiling futures-sink v0.3.32
[INFO] [stderr]    Compiling tokio v1.52.3
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_json v1.0.150
[INFO] [stderr]    Compiling rskit-errors v0.2.0-alpha.5
[INFO] [stderr]    Compiling tokio-util v0.7.18
[INFO] [stderr]    Compiling rskit-chain v0.2.0-alpha.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.29s
[INFO] running `Command { std: "docker" "inspect" "9a0a4c996997cf58f5ca8304a3b12d5147d5d69818083369ab72a1524dca0e75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "9a0a4c996997cf58f5ca8304a3b12d5147d5d69818083369ab72a1524dca0e75" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio v1.52.3
[INFO] [stderr]    Compiling tokio-util v0.7.18
[INFO] [stderr]    Compiling rskit-chain v0.2.0-alpha.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 10.78s
[INFO] running `Command { std: "docker" "inspect" "9a0a4c996997cf58f5ca8304a3b12d5147d5d69818083369ab72a1524dca0e75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "9a0a4c996997cf58f5ca8304a3b12d5147d5d69818083369ab72a1524dca0e75" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rskit_chain-eb52b00cd10a21ef)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test executor::tests::run_cleanups_succeeds_when_all_actions_succeed ... ok
[INFO] [stdout] test operation::tests::step_accessors_execute_and_cleanup_work ... ok
[INFO] [stdout] test operation::tests::step_context_reports_cancellation_and_clamps_progress ... ok
[INFO] [stdout] test executor::tests::run_cleanups_collects_multiple_failures_in_lifo_order ... ok
[INFO] [stdout] test tests::cancellation_before_next_step_fails_chain ... ok
[INFO] [stdout] test tests::cleanup_failure_does_not_hide_step_failure ... ok
[INFO] [stdout] test tests::default_empty_chain_returns_input_and_reports_empty ... ok
[INFO] [stdout] test tests::cancellation_before_step_runs_existing_cleanup_failure ... ok
[INFO] [stdout] test tests::failure_short_circuits_and_runs_cleanup ... ok
[INFO] [stdout] test tests::progress_callback_receives_step_events ... ok
[INFO] [stdout] test tests::typed_chain_composes_heterogeneous_steps ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rskit_chain
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 12) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.74s; merged doctests compilation took 0.72s
[INFO] running `Command { std: "docker" "inspect" "9a0a4c996997cf58f5ca8304a3b12d5147d5d69818083369ab72a1524dca0e75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a0a4c996997cf58f5ca8304a3b12d5147d5d69818083369ab72a1524dca0e75", kill_on_drop: false }`
[INFO] [stdout] 9a0a4c996997cf58f5ca8304a3b12d5147d5d69818083369ab72a1524dca0e75
