[INFO] fetching crate generic-std 0.1.0...
[INFO] testing generic-std-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate generic-std 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate generic-std 0.1.0 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 generic-std 0.1.0
[INFO] finished tweaking crates.io crate generic-std 0.1.0
[INFO] tweaked toml for crates.io crate generic-std 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] 938d83569e87b8292c0bb4b36bd1f40465ebfdf562292eb93b2f34390f6960c7
[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" "938d83569e87b8292c0bb4b36bd1f40465ebfdf562292eb93b2f34390f6960c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "938d83569e87b8292c0bb4b36bd1f40465ebfdf562292eb93b2f34390f6960c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "938d83569e87b8292c0bb4b36bd1f40465ebfdf562292eb93b2f34390f6960c7", kill_on_drop: false }`
[INFO] [stdout] 938d83569e87b8292c0bb4b36bd1f40465ebfdf562292eb93b2f34390f6960c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] 18b1ee58eceb1265798e8b47a899f7909feb75d814c7fb52e920f72c7833f6b7
[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" "18b1ee58eceb1265798e8b47a899f7909feb75d814c7fb52e920f72c7833f6b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling generic-std v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "18b1ee58eceb1265798e8b47a899f7909feb75d814c7fb52e920f72c7833f6b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18b1ee58eceb1265798e8b47a899f7909feb75d814c7fb52e920f72c7833f6b7", kill_on_drop: false }`
[INFO] [stdout] 18b1ee58eceb1265798e8b47a899f7909feb75d814c7fb52e920f72c7833f6b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7ce0cdbb4f3b027b135f637dcd7f4223ed954bc85828cbe9cb9cbdbd7b805129
[INFO] running `Command { std: "docker" "start" "-a" "7ce0cdbb4f3b027b135f637dcd7f4223ed954bc85828cbe9cb9cbdbd7b805129", kill_on_drop: false }`
[INFO] [stderr]    Compiling generic-std v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "7ce0cdbb4f3b027b135f637dcd7f4223ed954bc85828cbe9cb9cbdbd7b805129", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ce0cdbb4f3b027b135f637dcd7f4223ed954bc85828cbe9cb9cbdbd7b805129", kill_on_drop: false }`
[INFO] [stdout] 7ce0cdbb4f3b027b135f637dcd7f4223ed954bc85828cbe9cb9cbdbd7b805129
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 8ded247e9e0970054aa20e2e947dbb5851c54d35890af37cde2b0f4d7789d54d
[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" "8ded247e9e0970054aa20e2e947dbb5851c54d35890af37cde2b0f4d7789d54d", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 3 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/generic_std-6e676fa0b782f172
[INFO] [stdout] test tests::self_borrowing_iterator ... ok
[INFO] [stdout] test tests::struct_using_either_rc_or_arc ... ok
[INFO] [stderr]    Doc-tests generic-std
[INFO] [stdout] test tests::struct_using_either_rc_or_arc_with_hkt ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 31) ... ok
[INFO] [stdout] test src/lib.rs - (line 16) ... ok
[INFO] [stdout] test src/lib.rs - Sequence (line 101) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.15s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8ded247e9e0970054aa20e2e947dbb5851c54d35890af37cde2b0f4d7789d54d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ded247e9e0970054aa20e2e947dbb5851c54d35890af37cde2b0f4d7789d54d", kill_on_drop: false }`
[INFO] [stdout] 8ded247e9e0970054aa20e2e947dbb5851c54d35890af37cde2b0f4d7789d54d