[INFO] crate twiggy-opt 0.6.0 is already in cache
[INFO] testing twiggy-opt-0.6.0 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate twiggy-opt 0.6.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate twiggy-opt 0.6.0 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate twiggy-opt 0.6.0
[INFO] finished tweaking crates.io crate twiggy-opt 0.6.0
[INFO] tweaked toml for crates.io crate twiggy-opt 0.6.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 88df124c13a86fad1b1d20ec6e2a714b15c767f347a98db90e97ec116f5bc97a
[INFO] running `"docker" "start" "-a" "88df124c13a86fad1b1d20ec6e2a714b15c767f347a98db90e97ec116f5bc97a"`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling frozen v1.0.0
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling wasmparser v0.31.1
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling cpp_demangle v0.2.14
[INFO] [stderr]    Compiling backtrace-sys v0.1.36
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling backtrace v0.3.46
[INFO] [stderr]    Compiling twiggy-opt v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling bstr v0.2.12
[INFO] [stderr]    Compiling failure v0.1.7
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling twiggy-ir v0.6.0
[INFO] [stderr]    Compiling twiggy-traits v0.6.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 43s
[INFO] running `"docker" "inspect" "88df124c13a86fad1b1d20ec6e2a714b15c767f347a98db90e97ec116f5bc97a"`
[INFO] running `"docker" "rm" "-f" "88df124c13a86fad1b1d20ec6e2a714b15c767f347a98db90e97ec116f5bc97a"`
[INFO] [stdout] 88df124c13a86fad1b1d20ec6e2a714b15c767f347a98db90e97ec116f5bc97a
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8d132d3b92a48bb258a151f9da0b021af764a5e3daaa1d2814328fbf0990c3b0
[INFO] running `"docker" "start" "-a" "8d132d3b92a48bb258a151f9da0b021af764a5e3daaa1d2814328fbf0990c3b0"`
[INFO] [stderr]    Compiling twiggy-opt v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.80s
[INFO] running `"docker" "inspect" "8d132d3b92a48bb258a151f9da0b021af764a5e3daaa1d2814328fbf0990c3b0"`
[INFO] running `"docker" "rm" "-f" "8d132d3b92a48bb258a151f9da0b021af764a5e3daaa1d2814328fbf0990c3b0"`
[INFO] [stdout] 8d132d3b92a48bb258a151f9da0b021af764a5e3daaa1d2814328fbf0990c3b0
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3c6fd2685c792f81386c5f1876ffc27da61b9cdca96b88f0dc7cd855c691ad35
[INFO] running `"docker" "start" "-a" "3c6fd2685c792f81386c5f1876ffc27da61b9cdca96b88f0dc7cd855c691ad35"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.42s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/twiggy_opt-c3eeeef1a45125b8
[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] [stderr]    Doc-tests twiggy-opt
[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 `"docker" "inspect" "3c6fd2685c792f81386c5f1876ffc27da61b9cdca96b88f0dc7cd855c691ad35"`
[INFO] running `"docker" "rm" "-f" "3c6fd2685c792f81386c5f1876ffc27da61b9cdca96b88f0dc7cd855c691ad35"`
[INFO] [stdout] 3c6fd2685c792f81386c5f1876ffc27da61b9cdca96b88f0dc7cd855c691ad35