[INFO] fetching crate enum-iterator 0.7.0...
[INFO] testing enum-iterator-0.7.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate enum-iterator 0.7.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate enum-iterator 0.7.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate enum-iterator 0.7.0
[INFO] finished tweaking crates.io crate enum-iterator 0.7.0
[INFO] tweaked toml for crates.io crate enum-iterator 0.7.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded enum-iterator-derive v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9fec3c274e67b2a228cc7bac5a960991df282739e7e745d20dc8ece3c7312d25
[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" "9fec3c274e67b2a228cc7bac5a960991df282739e7e745d20dc8ece3c7312d25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9fec3c274e67b2a228cc7bac5a960991df282739e7e745d20dc8ece3c7312d25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fec3c274e67b2a228cc7bac5a960991df282739e7e745d20dc8ece3c7312d25", kill_on_drop: false }`
[INFO] [stdout] 9fec3c274e67b2a228cc7bac5a960991df282739e7e745d20dc8ece3c7312d25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "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] 059ed753fed0f736458e2bab1db821e3c6df89b0cd9584b061f28c6b3afbba9f
[INFO] running `Command { std: "docker" "start" "-a" "059ed753fed0f736458e2bab1db821e3c6df89b0cd9584b061f28c6b3afbba9f", kill_on_drop: false }`
[INFO] [stderr]    Compiling enum-iterator-derive v0.7.0
[INFO] [stderr]    Compiling enum-iterator v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.80s
[INFO] running `Command { std: "docker" "inspect" "059ed753fed0f736458e2bab1db821e3c6df89b0cd9584b061f28c6b3afbba9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "059ed753fed0f736458e2bab1db821e3c6df89b0cd9584b061f28c6b3afbba9f", kill_on_drop: false }`
[INFO] [stdout] 059ed753fed0f736458e2bab1db821e3c6df89b0cd9584b061f28c6b3afbba9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "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] 2a2a88926d4a2276e11ee0a7f6ab2f948a06a0942b3132320ff4a7d9c0e58f43
[INFO] running `Command { std: "docker" "start" "-a" "2a2a88926d4a2276e11ee0a7f6ab2f948a06a0942b3132320ff4a7d9c0e58f43", kill_on_drop: false }`
[INFO] [stderr]    Compiling enum-iterator v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "2a2a88926d4a2276e11ee0a7f6ab2f948a06a0942b3132320ff4a7d9c0e58f43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a2a88926d4a2276e11ee0a7f6ab2f948a06a0942b3132320ff4a7d9c0e58f43", kill_on_drop: false }`
[INFO] [stdout] 2a2a88926d4a2276e11ee0a7f6ab2f948a06a0942b3132320ff4a7d9c0e58f43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1168ba1017a0530468fee7f55eff37dfa47b374091aa2d69aa18d09f55542f06
[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" "1168ba1017a0530468fee7f55eff37dfa47b374091aa2d69aa18d09f55542f06", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/enum_iterator-5dc592ef847fb0c1)
[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] [stderr]    Doc-tests enum-iterator
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 13) ... ok
[INFO] [stdout] test src/lib.rs - IntoEnumIterator (line 44) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.39s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1168ba1017a0530468fee7f55eff37dfa47b374091aa2d69aa18d09f55542f06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1168ba1017a0530468fee7f55eff37dfa47b374091aa2d69aa18d09f55542f06", kill_on_drop: false }`
[INFO] [stdout] 1168ba1017a0530468fee7f55eff37dfa47b374091aa2d69aa18d09f55542f06