[INFO] fetching crate at-collection 0.3.0...
[INFO] testing at-collection-0.3.0 against 1.47.0 for beta-1.48-1
[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 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", 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" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a951e21e80a0cb4d401dc527a2bce77457d55f78a8dd45bd75a1e78feee18416
[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" "a951e21e80a0cb4d401dc527a2bce77457d55f78a8dd45bd75a1e78feee18416", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a951e21e80a0cb4d401dc527a2bce77457d55f78a8dd45bd75a1e78feee18416", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a951e21e80a0cb4d401dc527a2bce77457d55f78a8dd45bd75a1e78feee18416", kill_on_drop: false }`
[INFO] [stdout] a951e21e80a0cb4d401dc527a2bce77457d55f78a8dd45bd75a1e78feee18416
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7feb8bc5a40a698e71081496578d2a1aaee5e4099a617e232f70607f28f46d31
[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" "7feb8bc5a40a698e71081496578d2a1aaee5e4099a617e232f70607f28f46d31", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[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 11.69s
[INFO] running `Command { std: "docker" "inspect" "7feb8bc5a40a698e71081496578d2a1aaee5e4099a617e232f70607f28f46d31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7feb8bc5a40a698e71081496578d2a1aaee5e4099a617e232f70607f28f46d31", kill_on_drop: false }`
[INFO] [stdout] 7feb8bc5a40a698e71081496578d2a1aaee5e4099a617e232f70607f28f46d31
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 337c538e8991b330dd5bb06afd9df3dfd34aabd71c88613bf20e131cec5a4a13
[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" "337c538e8991b330dd5bb06afd9df3dfd34aabd71c88613bf20e131cec5a4a13", kill_on_drop: false }`
[INFO] [stderr]    Compiling at-collection v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `Command { std: "docker" "inspect" "337c538e8991b330dd5bb06afd9df3dfd34aabd71c88613bf20e131cec5a4a13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "337c538e8991b330dd5bb06afd9df3dfd34aabd71c88613bf20e131cec5a4a13", kill_on_drop: false }`
[INFO] [stdout] 337c538e8991b330dd5bb06afd9df3dfd34aabd71c88613bf20e131cec5a4a13
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 95a54384d081088f408bafde3054db6b5c8fec011b5cd59adeec13f2cf8f3d9b
[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" "95a54384d081088f408bafde3054db6b5c8fec011b5cd59adeec13f2cf8f3d9b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/at_collection-21051fa61ce4f8e0
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::iter ... ok
[INFO] [stdout] test tests::try_from ... ok
[INFO] [stdout] test tests::to_one ... ok
[INFO] [stdout] test tests::length ... ok
[INFO] [stderr]    Doc-tests at-collection
[INFO] [stdout] test tests::at_least_two_expr ... ok
[INFO] [stdout] test tests::at_least_one_macro ... ok
[INFO] [stdout] test tests::at_least_two_macro ... ok
[INFO] [stdout] test tests::for_iter ... ok
[INFO] [stdout] test tests::into_iter ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "95a54384d081088f408bafde3054db6b5c8fec011b5cd59adeec13f2cf8f3d9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95a54384d081088f408bafde3054db6b5c8fec011b5cd59adeec13f2cf8f3d9b", kill_on_drop: false }`
[INFO] [stdout] 95a54384d081088f408bafde3054db6b5c8fec011b5cd59adeec13f2cf8f3d9b
