[INFO] fetching crate at-collection 0.3.0...
[INFO] testing at-collection-0.3.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate at-collection 0.3.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate at-collection 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 at-collection 0.3.0
[INFO] finished tweaking crates.io crate at-collection 0.3.0
[INFO] tweaked toml for crates.io crate at-collection 0.3.0 written to /workspace/builds/worker-8/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 75860cb438aaa631cdeabef05b70d540f152feb4f15c916c21c6acd8d059720a
[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" "75860cb438aaa631cdeabef05b70d540f152feb4f15c916c21c6acd8d059720a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75860cb438aaa631cdeabef05b70d540f152feb4f15c916c21c6acd8d059720a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75860cb438aaa631cdeabef05b70d540f152feb4f15c916c21c6acd8d059720a", kill_on_drop: false }`
[INFO] [stdout] 75860cb438aaa631cdeabef05b70d540f152feb4f15c916c21c6acd8d059720a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 9f9db7b3e620f8230ed66ef212ee624a1120ff7d0a49cb72313344f4c2246f6f
[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" "9f9db7b3e620f8230ed66ef212ee624a1120ff7d0a49cb72313344f4c2246f6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling gimli v0.26.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling object v0.27.1
[INFO] [stderr]    Compiling backtrace v0.3.64
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling addr2line v0.17.0
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling at-collection v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.09s
[INFO] running `Command { std: "docker" "inspect" "9f9db7b3e620f8230ed66ef212ee624a1120ff7d0a49cb72313344f4c2246f6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f9db7b3e620f8230ed66ef212ee624a1120ff7d0a49cb72313344f4c2246f6f", kill_on_drop: false }`
[INFO] [stdout] 9f9db7b3e620f8230ed66ef212ee624a1120ff7d0a49cb72313344f4c2246f6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5bf3ec853e6acd1630bb3e2458aa5488aec69e63e5aa5c54cdbb53ee27a521c9
[INFO] running `Command { std: "docker" "start" "-a" "5bf3ec853e6acd1630bb3e2458aa5488aec69e63e5aa5c54cdbb53ee27a521c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling at-collection v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.60s
[INFO] running `Command { std: "docker" "inspect" "5bf3ec853e6acd1630bb3e2458aa5488aec69e63e5aa5c54cdbb53ee27a521c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bf3ec853e6acd1630bb3e2458aa5488aec69e63e5aa5c54cdbb53ee27a521c9", kill_on_drop: false }`
[INFO] [stdout] 5bf3ec853e6acd1630bb3e2458aa5488aec69e63e5aa5c54cdbb53ee27a521c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 9f47958ab5f59806fb7b76403df27e1448ddda4ba54a88e6cf54a7dc4b1ed4f6
[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" "9f47958ab5f59806fb7b76403df27e1448ddda4ba54a88e6cf54a7dc4b1ed4f6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.49s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/at_collection-13d26866687576ec)
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::at_least_one_macro ... ok
[INFO] [stdout] test tests::at_least_two_expr ... ok
[INFO] [stdout] test tests::into_iter ... ok
[INFO] [stdout] test tests::at_least_two_macro ... ok
[INFO] [stdout] test tests::iter ... ok
[INFO] [stdout] test tests::length ... ok
[INFO] [stdout] test tests::try_from ... ok
[INFO] [stdout] test tests::for_iter ... ok
[INFO] [stdout] test tests::to_one ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests at-collection
[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] running `Command { std: "docker" "inspect" "9f47958ab5f59806fb7b76403df27e1448ddda4ba54a88e6cf54a7dc4b1ed4f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f47958ab5f59806fb7b76403df27e1448ddda4ba54a88e6cf54a7dc4b1ed4f6", kill_on_drop: false }`
[INFO] [stdout] 9f47958ab5f59806fb7b76403df27e1448ddda4ba54a88e6cf54a7dc4b1ed4f6