[INFO] fetching crate once-arc 0.1.1...
[INFO] testing once-arc-0.1.1 against 1.95.0 for beta-1.96-2
[INFO] extracting crate once-arc 0.1.1 into /workspace/builds/worker-0-tc1/source
[INFO] removed /workspace/builds/worker-0-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate once-arc 0.1.1
[INFO] finished tweaking crates.io crate once-arc 0.1.1
[INFO] tweaked toml for crates.io crate once-arc 0.1.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate once-arc 0.1.1 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate once-arc 0.1.1 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" "+1.95.0" "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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b141bafea2d546c9481d99043b33cc64d0ec76da521c01ae70a3b5221f6dded4
[INFO] running `Command { std: "docker" "start" "-a" "b141bafea2d546c9481d99043b33cc64d0ec76da521c01ae70a3b5221f6dded4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b141bafea2d546c9481d99043b33cc64d0ec76da521c01ae70a3b5221f6dded4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b141bafea2d546c9481d99043b33cc64d0ec76da521c01ae70a3b5221f6dded4", kill_on_drop: false }`
[INFO] [stdout] b141bafea2d546c9481d99043b33cc64d0ec76da521c01ae70a3b5221f6dded4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c4669f0764897256e8fafc1ba141148f881b0ce4a3acf1b8f6ed7c5340d58bcf
[INFO] running `Command { std: "docker" "start" "-a" "c4669f0764897256e8fafc1ba141148f881b0ce4a3acf1b8f6ed7c5340d58bcf", kill_on_drop: false }`
[INFO] [stderr]    Compiling once-arc v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "c4669f0764897256e8fafc1ba141148f881b0ce4a3acf1b8f6ed7c5340d58bcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4669f0764897256e8fafc1ba141148f881b0ce4a3acf1b8f6ed7c5340d58bcf", kill_on_drop: false }`
[INFO] [stdout] c4669f0764897256e8fafc1ba141148f881b0ce4a3acf1b8f6ed7c5340d58bcf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9996bfa351303f9701e23c6a91584cc3cf785919ff15dfbfc16db0a127e4709e
[INFO] running `Command { std: "docker" "start" "-a" "9996bfa351303f9701e23c6a91584cc3cf785919ff15dfbfc16db0a127e4709e", kill_on_drop: false }`
[INFO] [stderr]    Compiling once-arc v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "9996bfa351303f9701e23c6a91584cc3cf785919ff15dfbfc16db0a127e4709e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9996bfa351303f9701e23c6a91584cc3cf785919ff15dfbfc16db0a127e4709e", kill_on_drop: false }`
[INFO] [stdout] 9996bfa351303f9701e23c6a91584cc3cf785919ff15dfbfc16db0a127e4709e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c3da518fd8cf2ea2cd9f958c79605df84e188a861d461e3240ef4d35a2f35aea
[INFO] running `Command { std: "docker" "start" "-a" "c3da518fd8cf2ea2cd9f958c79605df84e188a861d461e3240ef4d35a2f35aea", 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/once_arc-9e36a88a78d0156c)
[INFO] [stdout] running 26 tests
[INFO] [stdout] test init_once_arc::tests::once_arc_debug_fmt ... ok
[INFO] [stdout] test init_once_arc::tests::once_arc_init ... ok
[INFO] [stdout] test init_once_arc::tests::once_arc_load_and_is_set ... ok
[INFO] [stdout] test init_once_arc::tests::once_arc_into_inner ... ok
[INFO] [stdout] test init_once_arc::tests::once_arc_try_init_err_then_ok ... ok
[INFO] [stdout] test once_arc::tests::debug_fmt ... ok
[INFO] [stdout] test once_arc::tests::from_arc ... ok
[INFO] [stdout] test once_arc::tests::into_inner_empty ... ok
[INFO] [stdout] test once_arc::tests::into_inner_returns_arc ... ok
[INFO] [stdout] test once_arc::tests::empty_loads_none ... ok
[INFO] [stdout] test once_arc::tests::set_once_and_load ... ok
[INFO] [stdout] test init_once_arc::tests::once_arc_into_inner_empty ... ok
[INFO] [stdout] test once_arc::tests::set_twice_fails ... ok
[INFO] [stdout] test once_arc::tests::concurrent_set_exactly_one_wins ... ok
[INFO] [stdout] test init_once_arc::tests::once_arc_get_empty ... ok
[INFO] [stdout] test init_once_arc::tests::init_returns_poison_error ... ok
[INFO] [stdout] test init_once_arc::tests::try_init_returns_poison_error ... ok
[INFO] [stdout] test once_arc::tests::drop_decrements_refcount ... ok
[INFO] [stdout] test once_arc::tests::from_none ... ok
[INFO] [stdout] test once_arc::tests::from_some ... ok
[INFO] [stdout] test once_arc::tests::get_mut_empty ... ok
[INFO] [stdout] test once_arc::tests::get_mut_modifies_value ... ok
[INFO] [stdout] test init_once_arc::tests::store_returns_poison_error ... ok
[INFO] [stdout] test init_once_arc::tests::once_arc_concurrent_init ... ok
[INFO] [stdout] test once_arc::tests::load_returns_arc ... ok
[INFO] [stderr]    Doc-tests once_arc
[INFO] [stdout] test once_arc::tests::concurrent_loads_after_set ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.17s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test src/init_once_arc.rs - init_once_arc::InitOnceArc<T>::get_mut (line 246) ... ok
[INFO] [stdout] test src/init_once_arc.rs - init_once_arc::InitOnceArc (line 22) ... ok
[INFO] [stdout] test src/init_once_arc.rs - init_once_arc::InitOnceArc<T>::get (line 171) ... ok
[INFO] [stdout] test src/init_once_arc.rs - init_once_arc::InitOnceArc<T>::into_inner (line 227) ... ok
[INFO] [stdout] test src/init_once_arc.rs - init_once_arc::InitOnceArc<T>::store (line 72) ... ok
[INFO] [stdout] test src/init_once_arc.rs - init_once_arc::InitOnceArc<T>::load (line 191) ... ok
[INFO] [stdout] test src/init_once_arc.rs - init_once_arc::InitOnceArc<T>::try_init (line 135) ... ok
[INFO] [stdout] test src/init_once_arc.rs - init_once_arc::InitOnceArc<T>::is_set (line 209) ... ok
[INFO] [stdout] test src/lib.rs - (line 30) ... ok
[INFO] [stdout] test src/lib.rs - (line 40) ... ok
[INFO] [stdout] test src/once_arc.rs - once_arc::OnceArc<T>::get_mut (line 208) ... ok
[INFO] [stdout] test src/once_arc.rs - once_arc::OnceArc<T>::get (line 107) ... ok
[INFO] [stdout] test src/once_arc.rs - once_arc::OnceArc (line 15) ... ok
[INFO] [stdout] test src/init_once_arc.rs - init_once_arc::InitOnceArc<T>::new (line 51) ... ok
[INFO] [stdout] test src/once_arc.rs - once_arc::OnceArc<T>::new (line 50) ... ok
[INFO] [stdout] test src/once_arc.rs - once_arc::OnceArc<T>::is_set (line 162) ... ok
[INFO] [stdout] test src/once_arc.rs - once_arc::OnceArc<T>::load (line 137) ... ok
[INFO] [stdout] test src/once_arc.rs - once_arc::OnceArc<T>::into_inner (line 181) ... ok
[INFO] [stdout] test src/once_arc.rs - once_arc::OnceArc<T>::store (line 71) ... ok
[INFO] [stdout] test src/init_once_arc.rs - init_once_arc::InitOnceArc<T>::init (line 99) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.74s; merged doctests compilation took 0.71s
[INFO] running `Command { std: "docker" "inspect" "c3da518fd8cf2ea2cd9f958c79605df84e188a861d461e3240ef4d35a2f35aea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3da518fd8cf2ea2cd9f958c79605df84e188a861d461e3240ef4d35a2f35aea", kill_on_drop: false }`
[INFO] [stdout] c3da518fd8cf2ea2cd9f958c79605df84e188a861d461e3240ef4d35a2f35aea
