[INFO] fetching crate wrappinghashset 0.4.1...
[INFO] testing wrappinghashset-0.4.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate wrappinghashset 0.4.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate wrappinghashset 0.4.1 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wrappinghashset 0.4.1
[INFO] finished tweaking crates.io crate wrappinghashset 0.4.1
[INFO] tweaked toml for crates.io crate wrappinghashset 0.4.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate wrappinghashset 0.4.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", 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] 10f8ef5510b1c7fefebebaf890e9dfa67bdd55b402b8e892a7303ea619739ad6
[INFO] running `Command { std: "docker" "start" "-a" "10f8ef5510b1c7fefebebaf890e9dfa67bdd55b402b8e892a7303ea619739ad6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10f8ef5510b1c7fefebebaf890e9dfa67bdd55b402b8e892a7303ea619739ad6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10f8ef5510b1c7fefebebaf890e9dfa67bdd55b402b8e892a7303ea619739ad6", kill_on_drop: false }`
[INFO] [stdout] 10f8ef5510b1c7fefebebaf890e9dfa67bdd55b402b8e892a7303ea619739ad6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--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] 1af3f0765d56ba66e807d3d069ea06b21415bb1c03c372bcbfc7e8b555f12949
[INFO] running `Command { std: "docker" "start" "-a" "1af3f0765d56ba66e807d3d069ea06b21415bb1c03c372bcbfc7e8b555f12949", kill_on_drop: false }`
[INFO] [stderr]    Compiling wrappinghashset v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.67s
[INFO] running `Command { std: "docker" "inspect" "1af3f0765d56ba66e807d3d069ea06b21415bb1c03c372bcbfc7e8b555f12949", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1af3f0765d56ba66e807d3d069ea06b21415bb1c03c372bcbfc7e8b555f12949", kill_on_drop: false }`
[INFO] [stdout] 1af3f0765d56ba66e807d3d069ea06b21415bb1c03c372bcbfc7e8b555f12949
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9655207e53b08a9bfd52c176ccce0c2248600f24c79bdb36ba05fb6f267c7c62
[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" "9655207e53b08a9bfd52c176ccce0c2248600f24c79bdb36ba05fb6f267c7c62", kill_on_drop: false }`
[INFO] [stderr]    Compiling wrappinghashset v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.76s
[INFO] running `Command { std: "docker" "inspect" "9655207e53b08a9bfd52c176ccce0c2248600f24c79bdb36ba05fb6f267c7c62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9655207e53b08a9bfd52c176ccce0c2248600f24c79bdb36ba05fb6f267c7c62", kill_on_drop: false }`
[INFO] [stdout] 9655207e53b08a9bfd52c176ccce0c2248600f24c79bdb36ba05fb6f267c7c62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 74c17612e195d103a334ecee196ca180a1c3d78824f34e2130767d0530bcf6ab
[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" "74c17612e195d103a334ecee196ca180a1c3d78824f34e2130767d0530bcf6ab", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/wrappinghashset-3ed7a5f80c5476fe
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/wrappinghashset-29dff523cc21d723
[INFO] [stdout] test test_wrapping_hashset ... ok
[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] [stderr]    Doc-tests wrappinghashset
[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] [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" "74c17612e195d103a334ecee196ca180a1c3d78824f34e2130767d0530bcf6ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74c17612e195d103a334ecee196ca180a1c3d78824f34e2130767d0530bcf6ab", kill_on_drop: false }`
[INFO] [stdout] 74c17612e195d103a334ecee196ca180a1c3d78824f34e2130767d0530bcf6ab