[INFO] fetching crate rs-collections 0.1.9...
[INFO] testing rs-collections-0.1.9 against 1.49.0 for beta-1.50-1
[INFO] extracting crate rs-collections 0.1.9 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate rs-collections 0.1.9 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rs-collections 0.1.9
[INFO] finished tweaking crates.io crate rs-collections 0.1.9
[INFO] tweaked toml for crates.io crate rs-collections 0.1.9 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2cc132d56f48508b61bc1524c02ccafa96749bccceb114c81c5b4f337fb372d1
[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" "2cc132d56f48508b61bc1524c02ccafa96749bccceb114c81c5b4f337fb372d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2cc132d56f48508b61bc1524c02ccafa96749bccceb114c81c5b4f337fb372d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cc132d56f48508b61bc1524c02ccafa96749bccceb114c81c5b4f337fb372d1", kill_on_drop: false }`
[INFO] [stdout] 2cc132d56f48508b61bc1524c02ccafa96749bccceb114c81c5b4f337fb372d1
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a681294351ad03981282ddd171bf74b216230b14b182f35f55ba8b9aa874aa09
[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" "a681294351ad03981282ddd171bf74b216230b14b182f35f55ba8b9aa874aa09", kill_on_drop: false }`
[INFO] [stderr]    Compiling rs-ctypes v0.1.1
[INFO] [stderr]    Compiling rs-mem v0.2.6
[INFO] [stderr]    Compiling rs-collections v0.1.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.57s
[INFO] running `Command { std: "docker" "inspect" "a681294351ad03981282ddd171bf74b216230b14b182f35f55ba8b9aa874aa09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a681294351ad03981282ddd171bf74b216230b14b182f35f55ba8b9aa874aa09", kill_on_drop: false }`
[INFO] [stdout] a681294351ad03981282ddd171bf74b216230b14b182f35f55ba8b9aa874aa09
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 1bbece2ca3f2b0efc9e182f934b63dac5e3b12d2268bb03bc5f5c13a0a3f939d
[INFO] running `Command { std: "docker" "start" "-a" "1bbece2ca3f2b0efc9e182f934b63dac5e3b12d2268bb03bc5f5c13a0a3f939d", kill_on_drop: false }`
[INFO] [stderr]    Compiling rs-collections v0.1.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.56s
[INFO] running `Command { std: "docker" "inspect" "1bbece2ca3f2b0efc9e182f934b63dac5e3b12d2268bb03bc5f5c13a0a3f939d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bbece2ca3f2b0efc9e182f934b63dac5e3b12d2268bb03bc5f5c13a0a3f939d", kill_on_drop: false }`
[INFO] [stdout] 1bbece2ca3f2b0efc9e182f934b63dac5e3b12d2268bb03bc5f5c13a0a3f939d
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 952999cde49ea3919e8693accec16b47c6700119a9ccff1d06989d7ce29350a4
[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" "952999cde49ea3919e8693accec16b47c6700119a9ccff1d06989d7ce29350a4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rs_collections-c04dda2efb7ea5c7
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test vec::tests::test_iter ... ok
[INFO] [stdout] test string::tests::test_lines ... ok
[INFO] [stdout] test string::tests::test_conversion ... ok
[INFO] [stdout] test hashmap::test::test_insert ... ok
[INFO] [stdout] test string::tests::test_split ... ok
[INFO] [stdout] test hashmap::test::test_remove ... ok
[INFO] [stdout] test vec::tests::test_pop_destructor ... ok
[INFO] [stdout] test vec::tests::test_destructor ... ok
[INFO] [stdout] test hashmap::test::test_vec_insert ... ok
[INFO] [stdout] test vec::tests::test_pop_destructor_push ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rs-collections
[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" "952999cde49ea3919e8693accec16b47c6700119a9ccff1d06989d7ce29350a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "952999cde49ea3919e8693accec16b47c6700119a9ccff1d06989d7ce29350a4", kill_on_drop: false }`
[INFO] [stdout] 952999cde49ea3919e8693accec16b47c6700119a9ccff1d06989d7ce29350a4