[INFO] fetching crate shared_singleton 0.1.0...
[INFO] testing shared_singleton-0.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate shared_singleton 0.1.0 into /workspace/builds/worker-90/source
[INFO] validating manifest of crates.io crate shared_singleton 0.1.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate shared_singleton 0.1.0
[INFO] finished tweaking crates.io crate shared_singleton 0.1.0
[INFO] tweaked toml for crates.io crate shared_singleton 0.1.0 written to /workspace/builds/worker-90/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a98ccf683049da258e1ca839453febab4ba87d1c03ecae88d9a7b21eeef9e7b
[INFO] running `Command { std: "docker" "start" "-a" "1a98ccf683049da258e1ca839453febab4ba87d1c03ecae88d9a7b21eeef9e7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a98ccf683049da258e1ca839453febab4ba87d1c03ecae88d9a7b21eeef9e7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a98ccf683049da258e1ca839453febab4ba87d1c03ecae88d9a7b21eeef9e7b", kill_on_drop: false }`
[INFO] [stdout] 1a98ccf683049da258e1ca839453febab4ba87d1c03ecae88d9a7b21eeef9e7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32d874e776a3811786cd8b50ab22a3a4ca621874f0a47bc1a8beaecc9cc57e96
[INFO] running `Command { std: "docker" "start" "-a" "32d874e776a3811786cd8b50ab22a3a4ca621874f0a47bc1a8beaecc9cc57e96", kill_on_drop: false }`
[INFO] [stderr]    Compiling shared_singleton v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "32d874e776a3811786cd8b50ab22a3a4ca621874f0a47bc1a8beaecc9cc57e96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32d874e776a3811786cd8b50ab22a3a4ca621874f0a47bc1a8beaecc9cc57e96", kill_on_drop: false }`
[INFO] [stdout] 32d874e776a3811786cd8b50ab22a3a4ca621874f0a47bc1a8beaecc9cc57e96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7509cd56577ce5ff6b4dacb567c541229799c041febeeb86e16a9788f40cc1eb
[INFO] running `Command { std: "docker" "start" "-a" "7509cd56577ce5ff6b4dacb567c541229799c041febeeb86e16a9788f40cc1eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling shared_singleton v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "7509cd56577ce5ff6b4dacb567c541229799c041febeeb86e16a9788f40cc1eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7509cd56577ce5ff6b4dacb567c541229799c041febeeb86e16a9788f40cc1eb", kill_on_drop: false }`
[INFO] [stdout] 7509cd56577ce5ff6b4dacb567c541229799c041febeeb86e16a9788f40cc1eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7ad8192c7c68a4b4c5bed2d6c49b141b33cd75ce1d25ce8ac948cde486120f8d
[INFO] running `Command { std: "docker" "start" "-a" "7ad8192c7c68a4b4c5bed2d6c49b141b33cd75ce1d25ce8ac948cde486120f8d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/shared_singleton-43e7a1b443dc9c47)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test singleton::tests::arc_mutex_test ... ok
[INFO] [stdout] test singleton::tests::arc_rwlock_test ... ok
[INFO] [stdout] test singleton::tests::rc_test ... ok
[INFO] [stdout] test singleton::tests::arc_test ... ok
[INFO] [stdout] test singleton::tests::rc_refcell_test ... ok
[INFO] [stdout] test singleton::tests::rc_cell_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests shared_singleton
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - (line 45) ... ok
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] test src/lib.rs - (line 26) ... ok
[INFO] [stdout] test src/lib.rs - (line 63) ... ok
[INFO] [stdout] test src/lib.rs - (line 79) ... ok
[INFO] [stdout] test src/lib.rs - (line 106) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.56s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7ad8192c7c68a4b4c5bed2d6c49b141b33cd75ce1d25ce8ac948cde486120f8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ad8192c7c68a4b4c5bed2d6c49b141b33cd75ce1d25ce8ac948cde486120f8d", kill_on_drop: false }`
[INFO] [stdout] 7ad8192c7c68a4b4c5bed2d6c49b141b33cd75ce1d25ce8ac948cde486120f8d