[INFO] crate picobu 1.0.4 is already in cache
[INFO] extracting crate picobu 1.0.4 into work/ex/beta-1.38-1/sources/1.37.0/reg/picobu/1.0.4
[INFO] extracting crate picobu 1.0.4 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/picobu/1.0.4
[INFO] validating manifest of picobu-1.0.4 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of picobu-1.0.4 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing picobu-1.0.4
[INFO] finished frobbing picobu-1.0.4
[INFO] frobbed toml for picobu-1.0.4 written to work/ex/beta-1.38-1/sources/1.37.0/reg/picobu/1.0.4/Cargo.toml
[INFO] started frobbing picobu-1.0.4
[INFO] finished frobbing picobu-1.0.4
[INFO] frobbed toml for picobu-1.0.4 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/picobu/1.0.4/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing picobu-1.0.4 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/picobu/1.0.4:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 4d0d0c370595055e096dd9b9a5623696c2793a5753fde4a445169893de5bff1a
[INFO] running `"docker" "start" "-a" "4d0d0c370595055e096dd9b9a5623696c2793a5753fde4a445169893de5bff1a"`
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]    Compiling mio-extras v2.0.5
[INFO] [stderr]    Compiling notify v4.0.12
[INFO] [stderr]    Compiling derive_more v0.11.0
[INFO] [stderr]    Compiling hotwatch v0.3.1
[INFO] [stderr]    Compiling picobu v1.0.4 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.22s
[INFO] running `"docker" "inspect" "4d0d0c370595055e096dd9b9a5623696c2793a5753fde4a445169893de5bff1a"`
[INFO] running `"docker" "rm" "-f" "4d0d0c370595055e096dd9b9a5623696c2793a5753fde4a445169893de5bff1a"`
[INFO] [stdout] 4d0d0c370595055e096dd9b9a5623696c2793a5753fde4a445169893de5bff1a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/picobu/1.0.4:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4dff7422303210609432d2b1c169e5dad395499136f61622904437fa36553547
[INFO] running `"docker" "start" "-a" "4dff7422303210609432d2b1c169e5dad395499136f61622904437fa36553547"`
[INFO] [stderr]    Compiling picobu v1.0.4 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `"docker" "inspect" "4dff7422303210609432d2b1c169e5dad395499136f61622904437fa36553547"`
[INFO] running `"docker" "rm" "-f" "4dff7422303210609432d2b1c169e5dad395499136f61622904437fa36553547"`
[INFO] [stdout] 4dff7422303210609432d2b1c169e5dad395499136f61622904437fa36553547
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/picobu/1.0.4:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] e28c2bb17c679f2cf1d6a45dca4087c6062129b66c3a2e4c38461f9d5c7b1ecb
[INFO] running `"docker" "start" "-a" "e28c2bb17c679f2cf1d6a45dca4087c6062129b66c3a2e4c38461f9d5c7b1ecb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/picobu-498f2c31997b2fb8
[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" "e28c2bb17c679f2cf1d6a45dca4087c6062129b66c3a2e4c38461f9d5c7b1ecb"`
[INFO] running `"docker" "rm" "-f" "e28c2bb17c679f2cf1d6a45dca4087c6062129b66c3a2e4c38461f9d5c7b1ecb"`
[INFO] [stdout] e28c2bb17c679f2cf1d6a45dca4087c6062129b66c3a2e4c38461f9d5c7b1ecb