[INFO] fetching crate once-nonstatic 0.1.0...
[INFO] testing once-nonstatic-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate once-nonstatic 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate once-nonstatic 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate once-nonstatic 0.1.0
[INFO] finished tweaking crates.io crate once-nonstatic 0.1.0
[INFO] tweaked toml for crates.io crate once-nonstatic 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e9efb4b4e4128d5710775abd1ceee4e81518cc17c6f8881dd791daa789253fb0
[INFO] running `Command { std: "docker" "start" "-a" "e9efb4b4e4128d5710775abd1ceee4e81518cc17c6f8881dd791daa789253fb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9efb4b4e4128d5710775abd1ceee4e81518cc17c6f8881dd791daa789253fb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9efb4b4e4128d5710775abd1ceee4e81518cc17c6f8881dd791daa789253fb0", kill_on_drop: false }`
[INFO] [stdout] e9efb4b4e4128d5710775abd1ceee4e81518cc17c6f8881dd791daa789253fb0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5352a2285c8588d5400dc9f8474646eb5cade5e93b9ffc23c3470e2baa8453a3
[INFO] running `Command { std: "docker" "start" "-a" "5352a2285c8588d5400dc9f8474646eb5cade5e93b9ffc23c3470e2baa8453a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling once-nonstatic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:75:46
[INFO] [stdout]    |
[INFO] [stdout] 75 |     unsafe fn call_once_inner(&self, f: &mut FnMut()) {
[INFO] [stdout]    |                                              ^^^^^^^ help: use `dyn`: `dyn FnMut()`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5352a2285c8588d5400dc9f8474646eb5cade5e93b9ffc23c3470e2baa8453a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5352a2285c8588d5400dc9f8474646eb5cade5e93b9ffc23c3470e2baa8453a3", kill_on_drop: false }`
[INFO] [stdout] 5352a2285c8588d5400dc9f8474646eb5cade5e93b9ffc23c3470e2baa8453a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1d546e0095c0cfb0ad50ce23d5d061b8ee66e7ac704a9420652ea68d07670af
[INFO] running `Command { std: "docker" "start" "-a" "a1d546e0095c0cfb0ad50ce23d5d061b8ee66e7ac704a9420652ea68d07670af", kill_on_drop: false }`
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:75:46
[INFO] [stdout]    |
[INFO] [stdout] 75 |     unsafe fn call_once_inner(&self, f: &mut FnMut()) {
[INFO] [stdout]    |                                              ^^^^^^^ help: use `dyn`: `dyn FnMut()`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling once-nonstatic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:75:46
[INFO] [stdout]    |
[INFO] [stdout] 75 |     unsafe fn call_once_inner(&self, f: &mut FnMut()) {
[INFO] [stdout]    |                                              ^^^^^^^ help: use `dyn`: `dyn FnMut()`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "a1d546e0095c0cfb0ad50ce23d5d061b8ee66e7ac704a9420652ea68d07670af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1d546e0095c0cfb0ad50ce23d5d061b8ee66e7ac704a9420652ea68d07670af", kill_on_drop: false }`
[INFO] [stdout] a1d546e0095c0cfb0ad50ce23d5d061b8ee66e7ac704a9420652ea68d07670af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ff53187ad3d3668480de6896d94b425f12f96d2938331e18944a10d13cb6b0ec
[INFO] running `Command { std: "docker" "start" "-a" "ff53187ad3d3668480de6896d94b425f12f96d2938331e18944a10d13cb6b0ec", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:75:46
[INFO] [stderr]    |
[INFO] [stderr] 75 |     unsafe fn call_once_inner(&self, f: &mut FnMut()) {
[INFO] [stderr]    |                                              ^^^^^^^ help: use `dyn`: `dyn FnMut()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: `once-nonstatic` (lib) generated 1 warning
[INFO] [stderr] warning: `once-nonstatic` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/once_nonstatic-176c88f067acc24e)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test::single_thread_multi_call ... ok
[INFO] [stdout] test test::spinlock ... ok
[INFO] [stdout] test test::spinlock_sleep ... ok
[INFO] [stdout] test test::multi_thread_single_call ... ok
[INFO] [stdout] test test::spinlock_loop_single ... ok
[INFO] [stderr]    Doc-tests once-nonstatic
[INFO] [stdout] test test::spinlock_loop_multi ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.49s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - Once (line 30) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.36s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ff53187ad3d3668480de6896d94b425f12f96d2938331e18944a10d13cb6b0ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff53187ad3d3668480de6896d94b425f12f96d2938331e18944a10d13cb6b0ec", kill_on_drop: false }`
[INFO] [stdout] ff53187ad3d3668480de6896d94b425f12f96d2938331e18944a10d13cb6b0ec