[INFO] fetching crate singletons 0.1.0...
[INFO] testing singletons-0.1.0 against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] extracting crate singletons 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate singletons 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate singletons 0.1.0
[INFO] tweaked toml for crates.io crate singletons 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate singletons 0.1.0 on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate singletons 0.1.0 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" "+33835004928d3bf65db4d4712e1330766263b0bd" "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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 191994c30b524ead52024c1d16ab91860d1999e54eefdc344e0de66e08b1da00
[INFO] running `Command { std: "docker" "start" "-a" "191994c30b524ead52024c1d16ab91860d1999e54eefdc344e0de66e08b1da00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "191994c30b524ead52024c1d16ab91860d1999e54eefdc344e0de66e08b1da00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "191994c30b524ead52024c1d16ab91860d1999e54eefdc344e0de66e08b1da00", kill_on_drop: false }`
[INFO] [stdout] 191994c30b524ead52024c1d16ab91860d1999e54eefdc344e0de66e08b1da00
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79134e77e7b277d4a0f5372e98fd31ee6d02cc95180c5374b52584c27c38ac9f
[INFO] running `Command { std: "docker" "start" "-a" "79134e77e7b277d4a0f5372e98fd31ee6d02cc95180c5374b52584c27c38ac9f", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashbrown v0.16.1
[INFO] [stderr]    Compiling indexmap v2.12.1
[INFO] [stderr]    Compiling singletons v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.97s
[INFO] running `Command { std: "docker" "inspect" "79134e77e7b277d4a0f5372e98fd31ee6d02cc95180c5374b52584c27c38ac9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79134e77e7b277d4a0f5372e98fd31ee6d02cc95180c5374b52584c27c38ac9f", kill_on_drop: false }`
[INFO] [stdout] 79134e77e7b277d4a0f5372e98fd31ee6d02cc95180c5374b52584c27c38ac9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1a6d0f477707b71f814e24fe05e601e4bfa765f2a6c97ac05879292e3ed536d
[INFO] running `Command { std: "docker" "start" "-a" "a1a6d0f477707b71f814e24fe05e601e4bfa765f2a6c97ac05879292e3ed536d", kill_on_drop: false }`
[INFO] [stderr]    Compiling singletons v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "a1a6d0f477707b71f814e24fe05e601e4bfa765f2a6c97ac05879292e3ed536d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1a6d0f477707b71f814e24fe05e601e4bfa765f2a6c97ac05879292e3ed536d", kill_on_drop: false }`
[INFO] [stdout] a1a6d0f477707b71f814e24fe05e601e4bfa765f2a6c97ac05879292e3ed536d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dd4847229a65b9b4a169fa40a8ff9f1a1cd462c2c444e8ece51099aab3d5718e
[INFO] running `Command { std: "docker" "start" "-a" "dd4847229a65b9b4a169fa40a8ff9f1a1cd462c2c444e8ece51099aab3d5718e", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/singletons-f0425a52f3d2ed06)
[INFO] [stdout] running 14 tests
[INFO] [stdout] test map::tests::test_singletonmap_clear ... ok
[INFO] [stderr]    Doc-tests singletons
[INFO] [stdout] test map::tests::test_singletonmap_clone ... ok
[INFO] [stdout] test map::tests::test_singletonmap_basic_operations ... ok
[INFO] [stdout] test map::tests::test_singletonmap_get_mut ... ok
[INFO] [stdout] test map::tests::test_singletonmap_get_or_insert_default ... ok
[INFO] [stdout] test map::tests::test_singletonmap_iterators ... ok
[INFO] [stdout] test map::tests::test_singletonmap_contains_key ... ok
[INFO] [stdout] test set::tests::singletonset_can_be_iterated ... ok
[INFO] [stdout] test set::tests::singletonset_works_with_custom_defaults ... ok
[INFO] [stdout] test set::tests::singletonset_works_without_default ... ok
[INFO] [stdout] test set::tests::test_singletonset_mutations ... ok
[INFO] [stdout] test set::tests::test_singletonset_retains_last_element_of_type ... ok
[INFO] [stdout] test map::tests::test_singletonmap_entry ... ok
[INFO] [stdout] test map::tests::test_singletonmap_remove ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test src/set.rs - set::SingletonSet::with_capacity (line 42) ... ok
[INFO] [stdout] test src/map.rs - map::SingletonMap<V>::with_capacity (line 52) ... ok
[INFO] [stdout] test src/map.rs - map::SingletonMap<V>::get (line 137) ... ok
[INFO] [stdout] test src/map.rs - map::SingletonMap<V>::remove (line 173) ... ok
[INFO] [stdout] test src/map.rs - map::SingletonMap<V>::entry (line 234) ... ok
[INFO] [stdout] test src/set.rs - set::SingletonSet::new (line 24) ... ok
[INFO] [stdout] test src/map.rs - map::SingletonMap<V>::contains_key (line 189) ... ok
[INFO] [stdout] test src/map.rs - map::SingletonMap<V>::get_or_insert_default (line 254) ... ok
[INFO] [stdout] test src/map.rs - map::SingletonMap<V>::new (line 35) ... ok
[INFO] [stdout] test src/map.rs - map::SingletonMap<V>::get_mut (line 154) ... ok
[INFO] [stdout] test src/lib.rs - (line 70) ... ok
[INFO] [stdout] test src/lib.rs - (line 39) ... ok
[INFO] [stdout] test src/map.rs - map::SingletonMap (line 14) ... ok
[INFO] [stdout] test src/map.rs - map::SingletonMap<V>::insert (line 122) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.26s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dd4847229a65b9b4a169fa40a8ff9f1a1cd462c2c444e8ece51099aab3d5718e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd4847229a65b9b4a169fa40a8ff9f1a1cd462c2c444e8ece51099aab3d5718e", kill_on_drop: false }`
[INFO] [stdout] dd4847229a65b9b4a169fa40a8ff9f1a1cd462c2c444e8ece51099aab3d5718e
