[INFO] fetching crate singletonset 0.1.2...
[INFO] testing singletonset-0.1.2 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate singletonset 0.1.2 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate singletonset 0.1.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate singletonset 0.1.2
[INFO] tweaked toml for crates.io crate singletonset 0.1.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate singletonset 0.1.2 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate singletonset 0.1.2 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4256804303dd2da221820cca0ceb176a1c368d4ca04e180df54a86775ff6f4f1
[INFO] running `Command { std: "docker" "start" "-a" "4256804303dd2da221820cca0ceb176a1c368d4ca04e180df54a86775ff6f4f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4256804303dd2da221820cca0ceb176a1c368d4ca04e180df54a86775ff6f4f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4256804303dd2da221820cca0ceb176a1c368d4ca04e180df54a86775ff6f4f1", kill_on_drop: false }`
[INFO] [stdout] 4256804303dd2da221820cca0ceb176a1c368d4ca04e180df54a86775ff6f4f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e77e20d3c2eda06f605140a0b76565b1b2e12855fce21e0f3718962c62ca21e6
[INFO] running `Command { std: "docker" "start" "-a" "e77e20d3c2eda06f605140a0b76565b1b2e12855fce21e0f3718962c62ca21e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling singletonset v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "e77e20d3c2eda06f605140a0b76565b1b2e12855fce21e0f3718962c62ca21e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e77e20d3c2eda06f605140a0b76565b1b2e12855fce21e0f3718962c62ca21e6", kill_on_drop: false }`
[INFO] [stdout] e77e20d3c2eda06f605140a0b76565b1b2e12855fce21e0f3718962c62ca21e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e5667bd066b6e262e82f74e34f4a36e79d7d09ffd0f94859925923b425ed9b58
[INFO] running `Command { std: "docker" "start" "-a" "e5667bd066b6e262e82f74e34f4a36e79d7d09ffd0f94859925923b425ed9b58", kill_on_drop: false }`
[INFO] [stderr]    Compiling singletonset v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "e5667bd066b6e262e82f74e34f4a36e79d7d09ffd0f94859925923b425ed9b58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5667bd066b6e262e82f74e34f4a36e79d7d09ffd0f94859925923b425ed9b58", kill_on_drop: false }`
[INFO] [stdout] e5667bd066b6e262e82f74e34f4a36e79d7d09ffd0f94859925923b425ed9b58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b25d011d8e4a766909fe354721c8bc934f7e7e58ac3b3bb283d1dab680bde204
[INFO] running `Command { std: "docker" "start" "-a" "b25d011d8e4a766909fe354721c8bc934f7e7e58ac3b3bb283d1dab680bde204", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/singletonset-cb1a98b36e648162)
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::singletonset_works_without_default ... ok
[INFO] [stdout] test tests::test_singletonset_mutations ... ok
[INFO] [stdout] test tests::singletonset_works_with_custom_defaults ... ok
[INFO] [stdout] test tests::singletonset_can_be_iterated ... ok
[INFO] [stdout] test tests::test_singletonset_retains_last_element_of_type ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests singletonset
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - SingletonSet::new (line 29) ... ok
[INFO] [stdout] test src/lib.rs - SingletonSet::with_capacity (line 47) ... ok
[INFO] [stdout] test src/lib.rs - (line 61) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.64s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b25d011d8e4a766909fe354721c8bc934f7e7e58ac3b3bb283d1dab680bde204", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b25d011d8e4a766909fe354721c8bc934f7e7e58ac3b3bb283d1dab680bde204", kill_on_drop: false }`
[INFO] [stdout] b25d011d8e4a766909fe354721c8bc934f7e7e58ac3b3bb283d1dab680bde204