[INFO] fetching crate disjoint_set_forest 0.1.0...
[INFO] testing disjoint_set_forest-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate disjoint_set_forest 0.1.0 into /workspace/builds/worker-23/source
[INFO] validating manifest of crates.io crate disjoint_set_forest 0.1.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate disjoint_set_forest 0.1.0
[INFO] finished tweaking crates.io crate disjoint_set_forest 0.1.0
[INFO] tweaked toml for crates.io crate disjoint_set_forest 0.1.0 written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 56b8455958c771df9438d7c01e1844b6bf2f47678fa78bb694c0fc58a403fde7
[INFO] running `Command { std: "docker" "start" "-a" "56b8455958c771df9438d7c01e1844b6bf2f47678fa78bb694c0fc58a403fde7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56b8455958c771df9438d7c01e1844b6bf2f47678fa78bb694c0fc58a403fde7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56b8455958c771df9438d7c01e1844b6bf2f47678fa78bb694c0fc58a403fde7", kill_on_drop: false }`
[INFO] [stdout] 56b8455958c771df9438d7c01e1844b6bf2f47678fa78bb694c0fc58a403fde7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 509f216634a97f808fbe100c38d6de95b215abcd81ecb2dd47110e019116cafc
[INFO] running `Command { std: "docker" "start" "-a" "509f216634a97f808fbe100c38d6de95b215abcd81ecb2dd47110e019116cafc", kill_on_drop: false }`
[INFO] [stderr]    Compiling disjoint_set_forest v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "509f216634a97f808fbe100c38d6de95b215abcd81ecb2dd47110e019116cafc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "509f216634a97f808fbe100c38d6de95b215abcd81ecb2dd47110e019116cafc", kill_on_drop: false }`
[INFO] [stdout] 509f216634a97f808fbe100c38d6de95b215abcd81ecb2dd47110e019116cafc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12b9a954c8529c395237b30654e9f8df1824a3bdc577ee42fb2c0525fb95331a
[INFO] running `Command { std: "docker" "start" "-a" "12b9a954c8529c395237b30654e9f8df1824a3bdc577ee42fb2c0525fb95331a", kill_on_drop: false }`
[INFO] [stderr]    Compiling disjoint_set_forest v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.04s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/disjoint_set_forest-931272d1b6562a04)
[INFO] running `Command { std: "docker" "inspect" "12b9a954c8529c395237b30654e9f8df1824a3bdc577ee42fb2c0525fb95331a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12b9a954c8529c395237b30654e9f8df1824a3bdc577ee42fb2c0525fb95331a", kill_on_drop: false }`
[INFO] [stdout] 12b9a954c8529c395237b30654e9f8df1824a3bdc577ee42fb2c0525fb95331a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a639f2e00cabbc3b87e83c487e73d9acb9314e2b720bda1321d006bf0e60df9d
[INFO] running `Command { std: "docker" "start" "-a" "a639f2e00cabbc3b87e83c487e73d9acb9314e2b720bda1321d006bf0e60df9d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/disjoint_set_forest-931272d1b6562a04)
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::test_err ... ok
[INFO] [stdout] test tests::test_extend ... ok
[INFO] [stdout] test tests::test_insert ... ok
[INFO] [stdout] test tests::test_eq ... ok
[INFO] [stdout] test tests::test_from_iter ... ok
[INFO] [stdout] test tests::test_iter ... ok
[INFO] [stdout] test tests::test_union_and_same_set ... ok
[INFO] [stdout] test tests::test_into_iter ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests disjoint_set_forest
[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" "a639f2e00cabbc3b87e83c487e73d9acb9314e2b720bda1321d006bf0e60df9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a639f2e00cabbc3b87e83c487e73d9acb9314e2b720bda1321d006bf0e60df9d", kill_on_drop: false }`
[INFO] [stdout] a639f2e00cabbc3b87e83c487e73d9acb9314e2b720bda1321d006bf0e60df9d