[INFO] fetching crate singly 0.1.1...
[INFO] testing singly-0.1.1 against 1.90.0 for beta-1.91-3
[INFO] extracting crate singly 0.1.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate singly 0.1.1
[INFO] finished tweaking crates.io crate singly 0.1.1
[INFO] tweaked toml for crates.io crate singly 0.1.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate singly 0.1.1 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]     Updating crates.io index
[INFO] [stderr]      Locking 20 packages to latest compatible versions
[INFO] [stderr]       Adding hashbrown v0.14.5 (available: v0.16.0)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 83b4d6b0aee6b69184b9e67a8631c9e0361b76ef97a4a9b5731e3cd3daa669c9
[INFO] running `Command { std: "docker" "start" "-a" "83b4d6b0aee6b69184b9e67a8631c9e0361b76ef97a4a9b5731e3cd3daa669c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83b4d6b0aee6b69184b9e67a8631c9e0361b76ef97a4a9b5731e3cd3daa669c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83b4d6b0aee6b69184b9e67a8631c9e0361b76ef97a4a9b5731e3cd3daa669c9", kill_on_drop: false }`
[INFO] [stdout] 83b4d6b0aee6b69184b9e67a8631c9e0361b76ef97a4a9b5731e3cd3daa669c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 84a56d53e556ffc108e63d3d8ee3ed4a29c2e0b92d52cb3c0d27836ffd775e91
[INFO] running `Command { std: "docker" "start" "-a" "84a56d53e556ffc108e63d3d8ee3ed4a29c2e0b92d52cb3c0d27836ffd775e91", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling singly v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.56s
[INFO] running `Command { std: "docker" "inspect" "84a56d53e556ffc108e63d3d8ee3ed4a29c2e0b92d52cb3c0d27836ffd775e91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84a56d53e556ffc108e63d3d8ee3ed4a29c2e0b92d52cb3c0d27836ffd775e91", kill_on_drop: false }`
[INFO] [stdout] 84a56d53e556ffc108e63d3d8ee3ed4a29c2e0b92d52cb3c0d27836ffd775e91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] c6996d37e44c3339e4a9ebfde62a5a0dcb5df22ec169feb5d0dc947f15693a7a
[INFO] running `Command { std: "docker" "start" "-a" "c6996d37e44c3339e4a9ebfde62a5a0dcb5df22ec169feb5d0dc947f15693a7a", kill_on_drop: false }`
[INFO] [stderr]    Compiling singly v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "c6996d37e44c3339e4a9ebfde62a5a0dcb5df22ec169feb5d0dc947f15693a7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6996d37e44c3339e4a9ebfde62a5a0dcb5df22ec169feb5d0dc947f15693a7a", kill_on_drop: false }`
[INFO] [stdout] c6996d37e44c3339e4a9ebfde62a5a0dcb5df22ec169feb5d0dc947f15693a7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] f968b5251292a91f812e21bce66e8194eb9a4d25c64d9049814517fc49ace8e4
[INFO] running `Command { std: "docker" "start" "-a" "f968b5251292a91f812e21bce66e8194eb9a4d25c64d9049814517fc49ace8e4", 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/singly-bf7b0cf7f466a92e)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::base_use ... ok
[INFO] [stdout] test inner::test::test_if_value_is_correct ... ok
[INFO] [stdout] test tests::set_ref_mut_value ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration_test.rs (/opt/rustwide/target/debug/deps/integration_test-5a68c4060879a418)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test multi_thread_situation_reading ... ok
[INFO] [stdout] test multi_thread_situation_counter ... ok
[INFO] [stdout] test static_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests singly
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - Singleton::with_capacity (line 127) ... ok
[INFO] [stdout] test src/lib.rs - Singleton::new (line 106) ... ok
[INFO] [stdout] test src/lib.rs - (line 38) ... ok
[INFO] [stdout] test src/lib.rs - (line 11) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.90s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f968b5251292a91f812e21bce66e8194eb9a4d25c64d9049814517fc49ace8e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f968b5251292a91f812e21bce66e8194eb9a4d25c64d9049814517fc49ace8e4", kill_on_drop: false }`
[INFO] [stdout] f968b5251292a91f812e21bce66e8194eb9a4d25c64d9049814517fc49ace8e4