[INFO] fetching crate grouper 0.4.1...
[INFO] testing grouper-0.4.1 against 1.90.0 for beta-1.91-3
[INFO] extracting crate grouper 0.4.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate grouper 0.4.1
[INFO] finished tweaking crates.io crate grouper 0.4.1
[INFO] tweaked toml for crates.io crate grouper 0.4.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate grouper 0.4.1 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2412e51e139a37e21db1e4607f8aa0ea618115619bdfd8b672873e071bee489e
[INFO] running `Command { std: "docker" "start" "-a" "2412e51e139a37e21db1e4607f8aa0ea618115619bdfd8b672873e071bee489e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2412e51e139a37e21db1e4607f8aa0ea618115619bdfd8b672873e071bee489e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2412e51e139a37e21db1e4607f8aa0ea618115619bdfd8b672873e071bee489e", kill_on_drop: false }`
[INFO] [stdout] 2412e51e139a37e21db1e4607f8aa0ea618115619bdfd8b672873e071bee489e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7fca30286acdfd57b63d9d458fa638e445378b7e28fb09e9b99e88c655ea6607
[INFO] running `Command { std: "docker" "start" "-a" "7fca30286acdfd57b63d9d458fa638e445378b7e28fb09e9b99e88c655ea6607", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling grouper v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.96s
[INFO] running `Command { std: "docker" "inspect" "7fca30286acdfd57b63d9d458fa638e445378b7e28fb09e9b99e88c655ea6607", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fca30286acdfd57b63d9d458fa638e445378b7e28fb09e9b99e88c655ea6607", kill_on_drop: false }`
[INFO] [stdout] 7fca30286acdfd57b63d9d458fa638e445378b7e28fb09e9b99e88c655ea6607
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f47443509fbf55034d2d4daa128beea602ed90387ba6d7d65c7dd978126a1e9
[INFO] running `Command { std: "docker" "start" "-a" "6f47443509fbf55034d2d4daa128beea602ed90387ba6d7d65c7dd978126a1e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling grouper v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "6f47443509fbf55034d2d4daa128beea602ed90387ba6d7d65c7dd978126a1e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f47443509fbf55034d2d4daa128beea602ed90387ba6d7d65c7dd978126a1e9", kill_on_drop: false }`
[INFO] [stdout] 6f47443509fbf55034d2d4daa128beea602ed90387ba6d7d65c7dd978126a1e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2cca3f3c47cfb1e9e960fc6393b93d5c4172ec21136f3de1bfe0381e9121654c
[INFO] running `Command { std: "docker" "start" "-a" "2cca3f3c47cfb1e9e960fc6393b93d5c4172ec21136f3de1bfe0381e9121654c", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/grouper-358f4a9e86f943f1)
[INFO] [stdout] running 11 tests
[INFO] [stdout] test test::checked_rng_err ... ok
[INFO] [stdout] test test::get_eligible_for ... ok
[INFO] [stdout] test test::contains_none ... ok
[INFO] [stdout] test test::checked_rng_ok ... ok
[INFO] [stdout] test test::link_item ... ok
[INFO] [stdout] test test::mk_links ... ok
[INFO] [stdout] test test::not_contains_none ... ok
[INFO] [stdout] test test::reset_links ... ok
[INFO] [stdout] test test::new_all_linked ... ok
[INFO] [stdout] test test::iter ... ok
[INFO] [stdout] test test::new_none_linked ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests grouper
[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" "2cca3f3c47cfb1e9e960fc6393b93d5c4172ec21136f3de1bfe0381e9121654c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cca3f3c47cfb1e9e960fc6393b93d5c4172ec21136f3de1bfe0381e9121654c", kill_on_drop: false }`
[INFO] [stdout] 2cca3f3c47cfb1e9e960fc6393b93d5c4172ec21136f3de1bfe0381e9121654c