[INFO] updating cached repository andy-hanson/rust-symbol
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/andy-hanson/rust-symbol
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/andy-hanson/rust-symbol" "work/ex/beta-1.38-1/sources/1.37.0/gh/andy-hanson/rust-symbol"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/andy-hanson/rust-symbol'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/andy-hanson/rust-symbol" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/andy-hanson/rust-symbol"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/andy-hanson/rust-symbol'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0aea54880228606653a94142313cad52c2784758
[INFO] sha for GitHub repo andy-hanson/rust-symbol: 0aea54880228606653a94142313cad52c2784758
[INFO] validating manifest of andy-hanson/rust-symbol 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 andy-hanson/rust-symbol 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 andy-hanson/rust-symbol
[INFO] finished frobbing andy-hanson/rust-symbol
[INFO] frobbed toml for andy-hanson/rust-symbol written to work/ex/beta-1.38-1/sources/1.37.0/gh/andy-hanson/rust-symbol/Cargo.toml
[INFO] started frobbing andy-hanson/rust-symbol
[INFO] finished frobbing andy-hanson/rust-symbol
[INFO] frobbed toml for andy-hanson/rust-symbol written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/andy-hanson/rust-symbol/Cargo.toml
[INFO] crate andy-hanson/rust-symbol 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]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing andy-hanson/rust-symbol 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/andy-hanson/rust-symbol:/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] 3d52bcc843d65e9f481d2b9c15df12a2f10babaa0335dade17d005d2adb6031e
[INFO] running `"docker" "start" "-a" "3d52bcc843d65e9f481d2b9c15df12a2f10babaa0335dade17d005d2adb6031e"`
[INFO] [stderr]    Compiling symbol v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `"docker" "inspect" "3d52bcc843d65e9f481d2b9c15df12a2f10babaa0335dade17d005d2adb6031e"`
[INFO] running `"docker" "rm" "-f" "3d52bcc843d65e9f481d2b9c15df12a2f10babaa0335dade17d005d2adb6031e"`
[INFO] [stdout] 3d52bcc843d65e9f481d2b9c15df12a2f10babaa0335dade17d005d2adb6031e
[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/andy-hanson/rust-symbol:/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] 0a89fb26d34b5e8b688749d5935bcc4f09e7290e9251ad9d2ba88d84ab75adb7
[INFO] running `"docker" "start" "-a" "0a89fb26d34b5e8b688749d5935bcc4f09e7290e9251ad9d2ba88d84ab75adb7"`
[INFO] [stderr]    Compiling symbol v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `"docker" "inspect" "0a89fb26d34b5e8b688749d5935bcc4f09e7290e9251ad9d2ba88d84ab75adb7"`
[INFO] running `"docker" "rm" "-f" "0a89fb26d34b5e8b688749d5935bcc4f09e7290e9251ad9d2ba88d84ab75adb7"`
[INFO] [stdout] 0a89fb26d34b5e8b688749d5935bcc4f09e7290e9251ad9d2ba88d84ab75adb7
[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/andy-hanson/rust-symbol:/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] 97b22259bf3efe0e6d1c2f723afd9bba3980099452d3b44ace0d68838060afe2
[INFO] running `"docker" "start" "-a" "97b22259bf3efe0e6d1c2f723afd9bba3980099452d3b44ace0d68838060afe2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/symbol-33b69fdc22bd8fba
[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]      Running /opt/crater/target/debug/deps/lib-70c9410bbc6b01c0
[INFO] [stderr]    Doc-tests symbol
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test eq ... ok
[INFO] [stdout] test hash ... ok
[INFO] [stdout] test equality ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 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" "97b22259bf3efe0e6d1c2f723afd9bba3980099452d3b44ace0d68838060afe2"`
[INFO] running `"docker" "rm" "-f" "97b22259bf3efe0e6d1c2f723afd9bba3980099452d3b44ace0d68838060afe2"`
[INFO] [stdout] 97b22259bf3efe0e6d1c2f723afd9bba3980099452d3b44ace0d68838060afe2