[INFO] crate walrus-macro 0.8.0 is already in cache
[INFO] extracting crate walrus-macro 0.8.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/walrus-macro/0.8.0
[INFO] extracting crate walrus-macro 0.8.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/walrus-macro/0.8.0
[INFO] validating manifest of walrus-macro-0.8.0 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of walrus-macro-0.8.0 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing walrus-macro-0.8.0
[INFO] finished frobbing walrus-macro-0.8.0
[INFO] frobbed toml for walrus-macro-0.8.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/walrus-macro/0.8.0/Cargo.toml
[INFO] started frobbing walrus-macro-0.8.0
[INFO] finished frobbing walrus-macro-0.8.0
[INFO] frobbed toml for walrus-macro-0.8.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/walrus-macro/0.8.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing walrus-macro-0.8.0 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/walrus-macro/0.8.0:/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=warn" "-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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 5a2e37e06bc5679a1bd800437d51b374e6ba79ed895073810afc61bef89a245c
[INFO] running `"docker" "start" "-a" "5a2e37e06bc5679a1bd800437d51b374e6ba79ed895073810afc61bef89a245c"`
[INFO] [stderr]    Compiling walrus-macro v0.8.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.24s
[INFO] running `"docker" "inspect" "5a2e37e06bc5679a1bd800437d51b374e6ba79ed895073810afc61bef89a245c"`
[INFO] running `"docker" "rm" "-f" "5a2e37e06bc5679a1bd800437d51b374e6ba79ed895073810afc61bef89a245c"`
[INFO] [stdout] 5a2e37e06bc5679a1bd800437d51b374e6ba79ed895073810afc61bef89a245c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/walrus-macro/0.8.0:/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] fb1907fc6575cdfaade7d4a5c223c639322d1d67593bf64e225b227760ce97d3
[INFO] running `"docker" "start" "-a" "fb1907fc6575cdfaade7d4a5c223c639322d1d67593bf64e225b227760ce97d3"`
[INFO] [stderr]    Compiling walrus-macro v0.8.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.73s
[INFO] running `"docker" "inspect" "fb1907fc6575cdfaade7d4a5c223c639322d1d67593bf64e225b227760ce97d3"`
[INFO] running `"docker" "rm" "-f" "fb1907fc6575cdfaade7d4a5c223c639322d1d67593bf64e225b227760ce97d3"`
[INFO] [stdout] fb1907fc6575cdfaade7d4a5c223c639322d1d67593bf64e225b227760ce97d3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/walrus-macro/0.8.0:/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 249215d1663b43329cbe099ef93635e426e6d45b97e42193f23666df8685eaf2
[INFO] running `"docker" "start" "-a" "249215d1663b43329cbe099ef93635e426e6d45b97e42193f23666df8685eaf2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/walrus_macro-d399eecb4c4c6b2e
[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 walrus-macro
[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" "249215d1663b43329cbe099ef93635e426e6d45b97e42193f23666df8685eaf2"`
[INFO] running `"docker" "rm" "-f" "249215d1663b43329cbe099ef93635e426e6d45b97e42193f23666df8685eaf2"`
[INFO] [stdout] 249215d1663b43329cbe099ef93635e426e6d45b97e42193f23666df8685eaf2