[INFO] fetching crate ruspiro-singleton 0.4.3...
[INFO] testing ruspiro-singleton-0.4.3 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate ruspiro-singleton 0.4.3 into /workspace/builds/worker-77/source
[INFO] validating manifest of crates.io crate ruspiro-singleton 0.4.3 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-77/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate ruspiro-singleton 0.4.3
[INFO] finished tweaking crates.io crate ruspiro-singleton 0.4.3
[INFO] tweaked toml for crates.io crate ruspiro-singleton 0.4.3 written to /workspace/builds/worker-77/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3895ec720b7d1b156b083caf5505f595bf2313c228f017488f7ce8049da2859e
[INFO] running `Command { std: "docker" "start" "-a" "3895ec720b7d1b156b083caf5505f595bf2313c228f017488f7ce8049da2859e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3895ec720b7d1b156b083caf5505f595bf2313c228f017488f7ce8049da2859e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3895ec720b7d1b156b083caf5505f595bf2313c228f017488f7ce8049da2859e", kill_on_drop: false }`
[INFO] [stdout] 3895ec720b7d1b156b083caf5505f595bf2313c228f017488f7ce8049da2859e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7dee9664c33ba2465c14f7feddf3805d0b049414d8fa7c823be62d625344f5d9
[INFO] running `Command { std: "docker" "start" "-a" "7dee9664c33ba2465c14f7feddf3805d0b049414d8fa7c823be62d625344f5d9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ruspiro-lock v0.4.2
[INFO] [stderr]    Compiling ruspiro-singleton v0.4.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "7dee9664c33ba2465c14f7feddf3805d0b049414d8fa7c823be62d625344f5d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dee9664c33ba2465c14f7feddf3805d0b049414d8fa7c823be62d625344f5d9", kill_on_drop: false }`
[INFO] [stdout] 7dee9664c33ba2465c14f7feddf3805d0b049414d8fa7c823be62d625344f5d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60b4d32d3e2fe3b58d8cdefa1ed66d1318faa9ac3bac24f0859eaddec1a33330
[INFO] running `Command { std: "docker" "start" "-a" "60b4d32d3e2fe3b58d8cdefa1ed66d1318faa9ac3bac24f0859eaddec1a33330", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ruspiro-singleton v0.4.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "60b4d32d3e2fe3b58d8cdefa1ed66d1318faa9ac3bac24f0859eaddec1a33330", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60b4d32d3e2fe3b58d8cdefa1ed66d1318faa9ac3bac24f0859eaddec1a33330", kill_on_drop: false }`
[INFO] [stdout] 60b4d32d3e2fe3b58d8cdefa1ed66d1318faa9ac3bac24f0859eaddec1a33330
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 10ca0d7f2e5e102272b56167336ba56a1619e2d798c6f62994b72ce4e1d2ea48
[INFO] running `Command { std: "docker" "start" "-a" "10ca0d7f2e5e102272b56167336ba56a1619e2d798c6f62994b72ce4e1d2ea48", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ruspiro_singleton-1e85b298a356ef61)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ruspiro-singleton
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - Singleton<T>::lazy (line 107) - compile ... ok
[INFO] [stdout] test src/lib.rs - Singleton<T>::new (line 93) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 23) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "10ca0d7f2e5e102272b56167336ba56a1619e2d798c6f62994b72ce4e1d2ea48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10ca0d7f2e5e102272b56167336ba56a1619e2d798c6f62994b72ce4e1d2ea48", kill_on_drop: false }`
[INFO] [stdout] 10ca0d7f2e5e102272b56167336ba56a1619e2d798c6f62994b72ce4e1d2ea48