[INFO] crate skimmer 0.0.2 is already in cache
[INFO] extracting crate skimmer 0.0.2 into work/ex/beta-1.37-6/sources/1.36.0/reg/skimmer/0.0.2
[INFO] extracting crate skimmer 0.0.2 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/skimmer/0.0.2
[INFO] validating manifest of skimmer-0.0.2 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 skimmer-0.0.2 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 skimmer-0.0.2
[INFO] finished frobbing skimmer-0.0.2
[INFO] frobbed toml for skimmer-0.0.2 written to work/ex/beta-1.37-6/sources/1.36.0/reg/skimmer/0.0.2/Cargo.toml
[INFO] started frobbing skimmer-0.0.2
[INFO] finished frobbing skimmer-0.0.2
[INFO] frobbed toml for skimmer-0.0.2 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/skimmer/0.0.2/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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 skimmer-0.0.2 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/skimmer/0.0.2:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] bb9ddd20a90fd281b526d7f921918556abc4e4508f21c36268bbf11a27791d1c
[INFO] running `"docker" "start" "-a" "bb9ddd20a90fd281b526d7f921918556abc4e4508f21c36268bbf11a27791d1c"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]    Compiling skimmer v0.0.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `"docker" "inspect" "bb9ddd20a90fd281b526d7f921918556abc4e4508f21c36268bbf11a27791d1c"`
[INFO] running `"docker" "rm" "-f" "bb9ddd20a90fd281b526d7f921918556abc4e4508f21c36268bbf11a27791d1c"`
[INFO] [stdout] bb9ddd20a90fd281b526d7f921918556abc4e4508f21c36268bbf11a27791d1c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/skimmer/0.0.2:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 453186f89ff376e51aeab1ccc816a2b630452ba475934c407983d7a0487d8028
[INFO] running `"docker" "start" "-a" "453186f89ff376e51aeab1ccc816a2b630452ba475934c407983d7a0487d8028"`
[INFO] [stderr]    Compiling skimmer v0.0.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `"docker" "inspect" "453186f89ff376e51aeab1ccc816a2b630452ba475934c407983d7a0487d8028"`
[INFO] running `"docker" "rm" "-f" "453186f89ff376e51aeab1ccc816a2b630452ba475934c407983d7a0487d8028"`
[INFO] [stdout] 453186f89ff376e51aeab1ccc816a2b630452ba475934c407983d7a0487d8028
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/skimmer/0.0.2:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 2df753a0526373f089e1275f6894598d21091a9ed643ddec1a0926d80cef392f
[INFO] running `"docker" "start" "-a" "2df753a0526373f089e1275f6894598d21091a9ed643ddec1a0926d80cef392f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/skimmer-e505935ffe00b557
[INFO] [stderr]    Doc-tests skimmer
[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] [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" "2df753a0526373f089e1275f6894598d21091a9ed643ddec1a0926d80cef392f"`
[INFO] running `"docker" "rm" "-f" "2df753a0526373f089e1275f6894598d21091a9ed643ddec1a0926d80cef392f"`
[INFO] [stdout] 2df753a0526373f089e1275f6894598d21091a9ed643ddec1a0926d80cef392f