[INFO] updating cached repository warlord500/pipe_traits_rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/warlord500/pipe_traits_rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/warlord500/pipe_traits_rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/warlord500/pipe_traits_rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/warlord500/pipe_traits_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/warlord500/pipe_traits_rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/warlord500/pipe_traits_rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/warlord500/pipe_traits_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 95884fcb7874c5cbcc87929333d989778586b8ac
[INFO] sha for GitHub repo warlord500/pipe_traits_rust: 95884fcb7874c5cbcc87929333d989778586b8ac
[INFO] validating manifest of warlord500/pipe_traits_rust 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 warlord500/pipe_traits_rust 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 warlord500/pipe_traits_rust
[INFO] finished frobbing warlord500/pipe_traits_rust
[INFO] frobbed toml for warlord500/pipe_traits_rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/warlord500/pipe_traits_rust/Cargo.toml
[INFO] started frobbing warlord500/pipe_traits_rust
[INFO] finished frobbing warlord500/pipe_traits_rust
[INFO] frobbed toml for warlord500/pipe_traits_rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/warlord500/pipe_traits_rust/Cargo.toml
[INFO] crate warlord500/pipe_traits_rust 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] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/warlord500/pipe_traits_rust/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[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 warlord500/pipe_traits_rust 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/warlord500/pipe_traits_rust:/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] 8bc05aa9f823a5ce0c1fd95acb58fb54899a0f41a5c5e73455186215f683c04b
[INFO] running `"docker" "start" "-a" "8bc05aa9f823a5ce0c1fd95acb58fb54899a0f41a5c5e73455186215f683c04b"`
[INFO] [stderr]    Compiling pipe_traits v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `"docker" "inspect" "8bc05aa9f823a5ce0c1fd95acb58fb54899a0f41a5c5e73455186215f683c04b"`
[INFO] running `"docker" "rm" "-f" "8bc05aa9f823a5ce0c1fd95acb58fb54899a0f41a5c5e73455186215f683c04b"`
[INFO] [stdout] 8bc05aa9f823a5ce0c1fd95acb58fb54899a0f41a5c5e73455186215f683c04b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/warlord500/pipe_traits_rust:/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] 03bea3b7344520a2e80d771254ecc938ced6b77c52ae43d9e8892e281e98fad5
[INFO] running `"docker" "start" "-a" "03bea3b7344520a2e80d771254ecc938ced6b77c52ae43d9e8892e281e98fad5"`
[INFO] [stderr]    Compiling pipe_traits v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `"docker" "inspect" "03bea3b7344520a2e80d771254ecc938ced6b77c52ae43d9e8892e281e98fad5"`
[INFO] running `"docker" "rm" "-f" "03bea3b7344520a2e80d771254ecc938ced6b77c52ae43d9e8892e281e98fad5"`
[INFO] [stdout] 03bea3b7344520a2e80d771254ecc938ced6b77c52ae43d9e8892e281e98fad5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/warlord500/pipe_traits_rust:/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] 5e95f9a50613c23f7185a5bebc44225ae5754d718672226e5b44a8cfa1b2a1e1
[INFO] running `"docker" "start" "-a" "5e95f9a50613c23f7185a5bebc44225ae5754d718672226e5b44a8cfa1b2a1e1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/pipe_traits-d8269f0fba879727
[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 pipe_traits
[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" "5e95f9a50613c23f7185a5bebc44225ae5754d718672226e5b44a8cfa1b2a1e1"`
[INFO] running `"docker" "rm" "-f" "5e95f9a50613c23f7185a5bebc44225ae5754d718672226e5b44a8cfa1b2a1e1"`
[INFO] [stdout] 5e95f9a50613c23f7185a5bebc44225ae5754d718672226e5b44a8cfa1b2a1e1