[INFO] fetching crate stable_matching 0.2.0...
[INFO] testing stable_matching-0.2.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate stable_matching 0.2.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate stable_matching 0.2.0
[INFO] finished tweaking crates.io crate stable_matching 0.2.0
[INFO] tweaked toml for crates.io crate stable_matching 0.2.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate stable_matching 0.2.0 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] 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 54f3bad1db7b548e14310222965d4d6a52d248e5ce31564c5c83ccd5ed320bc3
[INFO] running `Command { std: "docker" "start" "-a" "54f3bad1db7b548e14310222965d4d6a52d248e5ce31564c5c83ccd5ed320bc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54f3bad1db7b548e14310222965d4d6a52d248e5ce31564c5c83ccd5ed320bc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54f3bad1db7b548e14310222965d4d6a52d248e5ce31564c5c83ccd5ed320bc3", kill_on_drop: false }`
[INFO] [stdout] 54f3bad1db7b548e14310222965d4d6a52d248e5ce31564c5c83ccd5ed320bc3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 907ab47ef86561de96d1c8450f7a20db7bd29c66d884d94504fc3f7f61459671
[INFO] running `Command { std: "docker" "start" "-a" "907ab47ef86561de96d1c8450f7a20db7bd29c66d884d94504fc3f7f61459671", kill_on_drop: false }`
[INFO] [stderr]    Compiling stable_matching v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "907ab47ef86561de96d1c8450f7a20db7bd29c66d884d94504fc3f7f61459671", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "907ab47ef86561de96d1c8450f7a20db7bd29c66d884d94504fc3f7f61459671", kill_on_drop: false }`
[INFO] [stdout] 907ab47ef86561de96d1c8450f7a20db7bd29c66d884d94504fc3f7f61459671
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] ca864631fec5d28f34baf2ce69609172093ba9d8633a3d65f45ddf6acaedf00b
[INFO] running `Command { std: "docker" "start" "-a" "ca864631fec5d28f34baf2ce69609172093ba9d8633a3d65f45ddf6acaedf00b", kill_on_drop: false }`
[INFO] [stderr]    Compiling stable_matching v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "ca864631fec5d28f34baf2ce69609172093ba9d8633a3d65f45ddf6acaedf00b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca864631fec5d28f34baf2ce69609172093ba9d8633a3d65f45ddf6acaedf00b", kill_on_drop: false }`
[INFO] [stdout] ca864631fec5d28f34baf2ce69609172093ba9d8633a3d65f45ddf6acaedf00b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 80da2ac6733a4f3e89c6b9a0e69e488081aa310791e628a043ce0690587b80ea
[INFO] running `Command { std: "docker" "start" "-a" "80da2ac6733a4f3e89c6b9a0e69e488081aa310791e628a043ce0690587b80ea", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/stable_matching-9047a1f0c1a62532)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_different_for_different_types ... ok
[INFO] [stdout] test tests::test_asymmetric_for_different_types ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests stable_matching
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 22) ... ok
[INFO] [stdout] test src/lib.rs - (line 42) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.78s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "80da2ac6733a4f3e89c6b9a0e69e488081aa310791e628a043ce0690587b80ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80da2ac6733a4f3e89c6b9a0e69e488081aa310791e628a043ce0690587b80ea", kill_on_drop: false }`
[INFO] [stdout] 80da2ac6733a4f3e89c6b9a0e69e488081aa310791e628a043ce0690587b80ea