[INFO] crate twiggy-opt 0.3.0 is already in cache
[INFO] extracting crate twiggy-opt 0.3.0 into work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/twiggy-opt/0.3.0
[INFO] extracting crate twiggy-opt 0.3.0 into work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/twiggy-opt/0.3.0
[INFO] validating manifest of twiggy-opt-0.3.0 on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of twiggy-opt-0.3.0 on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing twiggy-opt-0.3.0
[INFO] finished frobbing twiggy-opt-0.3.0
[INFO] frobbed toml for twiggy-opt-0.3.0 written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/twiggy-opt/0.3.0/Cargo.toml
[INFO] started frobbing twiggy-opt-0.3.0
[INFO] finished frobbing twiggy-opt-0.3.0
[INFO] frobbed toml for twiggy-opt-0.3.0 written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/twiggy-opt/0.3.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing twiggy-opt-0.3.0 against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/twiggy-opt/0.3.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] d162cef7eb60f39551a6efc21607c33fa740ddc069a99faca8e6153a75337353
[INFO] running `"docker" "start" "-a" "d162cef7eb60f39551a6efc21607c33fa740ddc069a99faca8e6153a75337353"`
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling fallible-iterator v0.1.6
[INFO] [stderr]    Compiling frozen v1.0.0
[INFO] [stderr]    Compiling cpp_demangle v0.2.12
[INFO] [stderr]    Compiling csv-core v0.1.5
[INFO] [stderr]    Compiling twiggy-opt v0.3.0 (/opt/crater/workdir)
[INFO] [stderr]    Compiling csv v1.0.5
[INFO] [stderr]    Compiling parity-wasm v0.32.0
[INFO] [stderr]    Compiling gimli v0.16.1
[INFO] [stderr]    Compiling twiggy-ir v0.3.0
[INFO] [stderr]    Compiling twiggy-traits v0.3.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.00s
[INFO] running `"docker" "inspect" "d162cef7eb60f39551a6efc21607c33fa740ddc069a99faca8e6153a75337353"`
[INFO] running `"docker" "rm" "-f" "d162cef7eb60f39551a6efc21607c33fa740ddc069a99faca8e6153a75337353"`
[INFO] [stdout] d162cef7eb60f39551a6efc21607c33fa740ddc069a99faca8e6153a75337353
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/twiggy-opt/0.3.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 65aa5c1b0a6f8357847055cf2736aa9ca433f851149530b59610c9ddcf7c2b02
[INFO] running `"docker" "start" "-a" "65aa5c1b0a6f8357847055cf2736aa9ca433f851149530b59610c9ddcf7c2b02"`
[INFO] [stderr]    Compiling twiggy-opt v0.3.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.98s
[INFO] running `"docker" "inspect" "65aa5c1b0a6f8357847055cf2736aa9ca433f851149530b59610c9ddcf7c2b02"`
[INFO] running `"docker" "rm" "-f" "65aa5c1b0a6f8357847055cf2736aa9ca433f851149530b59610c9ddcf7c2b02"`
[INFO] [stdout] 65aa5c1b0a6f8357847055cf2736aa9ca433f851149530b59610c9ddcf7c2b02
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/twiggy-opt/0.3.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] c80f8b27a8dd7a0c5b21dc94fcb357de23fe7a3fd0d2fab754c60ba8fd2973d5
[INFO] running `"docker" "start" "-a" "c80f8b27a8dd7a0c5b21dc94fcb357de23fe7a3fd0d2fab754c60ba8fd2973d5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/twiggy_opt-f5a7b2822fe5cc24
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests twiggy-opt
[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] [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" "c80f8b27a8dd7a0c5b21dc94fcb357de23fe7a3fd0d2fab754c60ba8fd2973d5"`
[INFO] running `"docker" "rm" "-f" "c80f8b27a8dd7a0c5b21dc94fcb357de23fe7a3fd0d2fab754c60ba8fd2973d5"`
[INFO] [stdout] c80f8b27a8dd7a0c5b21dc94fcb357de23fe7a3fd0d2fab754c60ba8fd2973d5