[INFO] fetching crate singleton-trait 0.3.0...
[INFO] testing singleton-trait-0.3.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate singleton-trait 0.3.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate singleton-trait 0.3.0 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 singleton-trait 0.3.0
[INFO] finished tweaking crates.io crate singleton-trait 0.3.0
[INFO] tweaked toml for crates.io crate singleton-trait 0.3.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate singleton-trait 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 34a2030177c4d5c5a26033c13a9f101066ce6269ab1bd8f13fae3d215252ee1e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "34a2030177c4d5c5a26033c13a9f101066ce6269ab1bd8f13fae3d215252ee1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34a2030177c4d5c5a26033c13a9f101066ce6269ab1bd8f13fae3d215252ee1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34a2030177c4d5c5a26033c13a9f101066ce6269ab1bd8f13fae3d215252ee1e", kill_on_drop: false }`
[INFO] [stdout] 34a2030177c4d5c5a26033c13a9f101066ce6269ab1bd8f13fae3d215252ee1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 13f48db89b5d6cb3f6a8e5c0f35d8842c8d92c1cfd12fd213b8292228a3bd51e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "13f48db89b5d6cb3f6a8e5c0f35d8842c8d92c1cfd12fd213b8292228a3bd51e", kill_on_drop: false }`
[INFO] [stderr]    Compiling singleton-trait v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "13f48db89b5d6cb3f6a8e5c0f35d8842c8d92c1cfd12fd213b8292228a3bd51e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13f48db89b5d6cb3f6a8e5c0f35d8842c8d92c1cfd12fd213b8292228a3bd51e", kill_on_drop: false }`
[INFO] [stdout] 13f48db89b5d6cb3f6a8e5c0f35d8842c8d92c1cfd12fd213b8292228a3bd51e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] d8cbeccd41c0834d96d920e924eb28dfdadcc4097ea33d051d438cc2b27fc4c9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d8cbeccd41c0834d96d920e924eb28dfdadcc4097ea33d051d438cc2b27fc4c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling singleton-trait v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "d8cbeccd41c0834d96d920e924eb28dfdadcc4097ea33d051d438cc2b27fc4c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8cbeccd41c0834d96d920e924eb28dfdadcc4097ea33d051d438cc2b27fc4c9", kill_on_drop: false }`
[INFO] [stdout] d8cbeccd41c0834d96d920e924eb28dfdadcc4097ea33d051d438cc2b27fc4c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] a59e01c2f44b788bf152c014239ba5a02296571b12231849faa2888584bc2f5d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a59e01c2f44b788bf152c014239ba5a02296571b12231849faa2888584bc2f5d", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/singleton_trait-3463c90671243e85)
[INFO] [stdout] test tests::test_impls ... ok
[INFO] [stderr]    Doc-tests singleton-trait
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - Erased<T>::borrow (line 123) ... ok
[INFO] [stdout] test src/lib.rs - Erased<&'amutT>::read (line 288) ... ok
[INFO] [stdout] test src/lib.rs - Erased<&'amutT>::reborrow (line 272) ... ok
[INFO] [stdout] test src/lib.rs - Erased<&'amutT>::into_shared (line 315) ... ok
[INFO] [stdout] test src/lib.rs - Erased<T>::borrow_mut (line 146) ... ok
[INFO] [stdout] test src/lib.rs - Erased<&'amutT>::reborrow (line 262) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.09s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a59e01c2f44b788bf152c014239ba5a02296571b12231849faa2888584bc2f5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a59e01c2f44b788bf152c014239ba5a02296571b12231849faa2888584bc2f5d", kill_on_drop: false }`
[INFO] [stdout] a59e01c2f44b788bf152c014239ba5a02296571b12231849faa2888584bc2f5d