[INFO] updating cached repository opcow/fe_o2
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/opcow/fe_o2
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/opcow/fe_o2" "work/ex/beta-1.38-1/sources/1.37.0/gh/opcow/fe_o2"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/opcow/fe_o2'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/opcow/fe_o2" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/opcow/fe_o2"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/opcow/fe_o2'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2caf9b39af8dc54327a31e997246f8b5ef81c285
[INFO] sha for GitHub repo opcow/fe_o2: 2caf9b39af8dc54327a31e997246f8b5ef81c285
[INFO] validating manifest of opcow/fe_o2 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 opcow/fe_o2 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 opcow/fe_o2
[INFO] finished frobbing opcow/fe_o2
[INFO] frobbed toml for opcow/fe_o2 written to work/ex/beta-1.38-1/sources/1.37.0/gh/opcow/fe_o2/Cargo.toml
[INFO] started frobbing opcow/fe_o2
[INFO] finished frobbing opcow/fe_o2
[INFO] frobbed toml for opcow/fe_o2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/opcow/fe_o2/Cargo.toml
[INFO] crate opcow/fe_o2 already has a lockfile, it will not be regenerated
[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 opcow/fe_o2 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/opcow/fe_o2:/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] a3e67ba71b7d82252e4aec780b67bef40386993135d30614acad9aaaf592e41e
[INFO] running `"docker" "start" "-a" "a3e67ba71b7d82252e4aec780b67bef40386993135d30614acad9aaaf592e41e"`
[INFO] [stderr]    Compiling ascii v0.9.1
[INFO] [stderr]    Compiling fe_o2 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.86s
[INFO] running `"docker" "inspect" "a3e67ba71b7d82252e4aec780b67bef40386993135d30614acad9aaaf592e41e"`
[INFO] running `"docker" "rm" "-f" "a3e67ba71b7d82252e4aec780b67bef40386993135d30614acad9aaaf592e41e"`
[INFO] [stdout] a3e67ba71b7d82252e4aec780b67bef40386993135d30614acad9aaaf592e41e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/opcow/fe_o2:/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] 304e16b76d7c4a7540abb7fa60cfeb107f9ac2d3c460d20429954df8df4e3d3d
[INFO] running `"docker" "start" "-a" "304e16b76d7c4a7540abb7fa60cfeb107f9ac2d3c460d20429954df8df4e3d3d"`
[INFO] [stderr]    Compiling fe_o2 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `"docker" "inspect" "304e16b76d7c4a7540abb7fa60cfeb107f9ac2d3c460d20429954df8df4e3d3d"`
[INFO] running `"docker" "rm" "-f" "304e16b76d7c4a7540abb7fa60cfeb107f9ac2d3c460d20429954df8df4e3d3d"`
[INFO] [stdout] 304e16b76d7c4a7540abb7fa60cfeb107f9ac2d3c460d20429954df8df4e3d3d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/opcow/fe_o2:/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] c594a8044911e34e822159fb4a44172e0f9dddc05e1c30ff450ae1687faddadf
[INFO] running `"docker" "start" "-a" "c594a8044911e34e822159fb4a44172e0f9dddc05e1c30ff450ae1687faddadf"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fe_o2-102a96058c09adc2
[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" "c594a8044911e34e822159fb4a44172e0f9dddc05e1c30ff450ae1687faddadf"`
[INFO] running `"docker" "rm" "-f" "c594a8044911e34e822159fb4a44172e0f9dddc05e1c30ff450ae1687faddadf"`
[INFO] [stdout] c594a8044911e34e822159fb4a44172e0f9dddc05e1c30ff450ae1687faddadf