[INFO] fetching crate twine-observers 0.6.0...
[INFO] testing twine-observers-0.6.0 against 1.100.0-beta.1 for beta-1.100-2
[INFO] extracting crate twine-observers 0.6.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate twine-observers 0.6.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate twine-observers 0.6.0
[INFO] tweaked toml for crates.io crate twine-observers 0.6.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate twine-observers 0.6.0 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate twine-observers 0.6.0 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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] e95739d3ad0c7acabb0ed3af33557e35351431501cf742ad656862e5e3c2e3c2
[INFO] running `Command { std: "docker" "start" "e95739d3ad0c7acabb0ed3af33557e35351431501cf742ad656862e5e3c2e3c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e95739d3ad0c7acabb0ed3af33557e35351431501cf742ad656862e5e3c2e3c2", 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" "e95739d3ad0c7acabb0ed3af33557e35351431501cf742ad656862e5e3c2e3c2" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e95739d3ad0c7acabb0ed3af33557e35351431501cf742ad656862e5e3c2e3c2", 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" "e95739d3ad0c7acabb0ed3af33557e35351431501cf742ad656862e5e3c2e3c2" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling twine-core v0.6.0
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling twine-solvers v0.6.0
[INFO] [stderr]    Compiling twine-observers v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.98s
[INFO] running `Command { std: "docker" "inspect" "e95739d3ad0c7acabb0ed3af33557e35351431501cf742ad656862e5e3c2e3c2", 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" "e95739d3ad0c7acabb0ed3af33557e35351431501cf742ad656862e5e3c2e3c2" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling twine-observers v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "e95739d3ad0c7acabb0ed3af33557e35351431501cf742ad656862e5e3c2e3c2", 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" "e95739d3ad0c7acabb0ed3af33557e35351431501cf742ad656862e5e3c2e3c2" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/build/twine-observers/610e4a92d5177bfe/out/twine_observers-610e4a92d5177bfe)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test traits::tests::golden_section_objective_evaluated ... ok
[INFO] [stdout] test traits::tests::golden_section_objective_nan_on_problem_failed ... ok
[INFO] [stdout] test traits::tests::golden_section_objective_nan_on_model_failed ... ok
[INFO] [stdout] test traits::tests::bisection_residual_nan_on_model_failed ... ok
[INFO] [stdout] test traits::tests::bisection_residual_nan_on_problem_failed ... ok
[INFO] [stdout] test traits::tests::bisection_residual_evaluated ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests twine_observers
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/traits.rs - traits (line 18) ... 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 0.44s; merged doctests compilation took 0.42s
[INFO] running `Command { std: "docker" "inspect" "e95739d3ad0c7acabb0ed3af33557e35351431501cf742ad656862e5e3c2e3c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e95739d3ad0c7acabb0ed3af33557e35351431501cf742ad656862e5e3c2e3c2", kill_on_drop: false }`
[INFO] [stdout] e95739d3ad0c7acabb0ed3af33557e35351431501cf742ad656862e5e3c2e3c2
