[INFO] updating cached repository steveklabnik/edges
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/steveklabnik/edges
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/steveklabnik/edges" "work/ex/beta-1.38-1/sources/1.37.0/gh/steveklabnik/edges"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/steveklabnik/edges'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/steveklabnik/edges" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/steveklabnik/edges"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/steveklabnik/edges'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1643e36cba03fe5aa45fd15361da8e044d0cb594
[INFO] sha for GitHub repo steveklabnik/edges: 1643e36cba03fe5aa45fd15361da8e044d0cb594
[INFO] validating manifest of steveklabnik/edges 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 steveklabnik/edges 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 steveklabnik/edges
[INFO] finished frobbing steveklabnik/edges
[INFO] frobbed toml for steveklabnik/edges written to work/ex/beta-1.38-1/sources/1.37.0/gh/steveklabnik/edges/Cargo.toml
[INFO] started frobbing steveklabnik/edges
[INFO] finished frobbing steveklabnik/edges
[INFO] frobbed toml for steveklabnik/edges written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/steveklabnik/edges/Cargo.toml
[INFO] crate steveklabnik/edges 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/steveklabnik/edges/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[INFO] the lockfile is outdated, regenerating it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 steveklabnik/edges 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/steveklabnik/edges:/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] 21a8227a8bcc957a820d19c6031375c5ee17994157057d1b229c6b0cc37544de
[INFO] running `"docker" "start" "-a" "21a8227a8bcc957a820d19c6031375c5ee17994157057d1b229c6b0cc37544de"`
[INFO] [stderr]    Compiling edges v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `"docker" "inspect" "21a8227a8bcc957a820d19c6031375c5ee17994157057d1b229c6b0cc37544de"`
[INFO] running `"docker" "rm" "-f" "21a8227a8bcc957a820d19c6031375c5ee17994157057d1b229c6b0cc37544de"`
[INFO] [stdout] 21a8227a8bcc957a820d19c6031375c5ee17994157057d1b229c6b0cc37544de
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/steveklabnik/edges:/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] 05f4f75ad0b936cff0080e614009c8084268d25d7eec2d9d803fc2f472e53ae7
[INFO] running `"docker" "start" "-a" "05f4f75ad0b936cff0080e614009c8084268d25d7eec2d9d803fc2f472e53ae7"`
[INFO] [stderr]    Compiling edges v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `"docker" "inspect" "05f4f75ad0b936cff0080e614009c8084268d25d7eec2d9d803fc2f472e53ae7"`
[INFO] running `"docker" "rm" "-f" "05f4f75ad0b936cff0080e614009c8084268d25d7eec2d9d803fc2f472e53ae7"`
[INFO] [stdout] 05f4f75ad0b936cff0080e614009c8084268d25d7eec2d9d803fc2f472e53ae7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/steveklabnik/edges:/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] a00d5337688951aa8995d925a37cb468ca2e415a6745cc4ecdf712bfd9a4d92e
[INFO] running `"docker" "start" "-a" "a00d5337688951aa8995d925a37cb468ca2e415a6745cc4ecdf712bfd9a4d92e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/edges-83097d918f92b2a8
[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" "a00d5337688951aa8995d925a37cb468ca2e415a6745cc4ecdf712bfd9a4d92e"`
[INFO] running `"docker" "rm" "-f" "a00d5337688951aa8995d925a37cb468ca2e415a6745cc4ecdf712bfd9a4d92e"`
[INFO] [stdout] a00d5337688951aa8995d925a37cb468ca2e415a6745cc4ecdf712bfd9a4d92e