[INFO] updating cached repository pkgw/serenv
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/pkgw/serenv
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/pkgw/serenv" "work/ex/beta-1.37-6/sources/1.36.0/gh/pkgw/serenv"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/pkgw/serenv'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/pkgw/serenv" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/pkgw/serenv"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/pkgw/serenv'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 008c8d986831cede3fd954f09362434173cbcb44
[INFO] sha for GitHub repo pkgw/serenv: 008c8d986831cede3fd954f09362434173cbcb44
[INFO] validating manifest of pkgw/serenv 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 pkgw/serenv 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 pkgw/serenv
[INFO] finished frobbing pkgw/serenv
[INFO] frobbed toml for pkgw/serenv written to work/ex/beta-1.37-6/sources/1.36.0/gh/pkgw/serenv/Cargo.toml
[INFO] started frobbing pkgw/serenv
[INFO] finished frobbing pkgw/serenv
[INFO] frobbed toml for pkgw/serenv written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/pkgw/serenv/Cargo.toml
[INFO] crate pkgw/serenv already has a lockfile, it will not be regenerated
[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 pkgw/serenv against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/pkgw/serenv:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 78639e9bcbe5072ca9aba6057139d580659e35d0292ac27d44d349cad942fdac
[INFO] running `"docker" "start" "-a" "78639e9bcbe5072ca9aba6057139d580659e35d0292ac27d44d349cad942fdac"`
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]    Compiling shell-escape v0.1.4
[INFO] [stderr]    Compiling bincode v1.0.1
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling synstructure v0.9.0
[INFO] [stderr]    Compiling structopt-derive v0.2.10
[INFO] [stderr]    Compiling structopt v0.2.10
[INFO] [stderr]    Compiling failure v0.1.2
[INFO] [stderr]    Compiling serenv v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/main.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.49s
[INFO] running `"docker" "inspect" "78639e9bcbe5072ca9aba6057139d580659e35d0292ac27d44d349cad942fdac"`
[INFO] running `"docker" "rm" "-f" "78639e9bcbe5072ca9aba6057139d580659e35d0292ac27d44d349cad942fdac"`
[INFO] [stdout] 78639e9bcbe5072ca9aba6057139d580659e35d0292ac27d44d349cad942fdac
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/pkgw/serenv:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 062dc17c56f01e7c7ccaa32a6620196fb271584faf5b5ab05f305057f8098da2
[INFO] running `"docker" "start" "-a" "062dc17c56f01e7c7ccaa32a6620196fb271584faf5b5ab05f305057f8098da2"`
[INFO] [stderr]    Compiling serenv v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/main.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `"docker" "inspect" "062dc17c56f01e7c7ccaa32a6620196fb271584faf5b5ab05f305057f8098da2"`
[INFO] running `"docker" "rm" "-f" "062dc17c56f01e7c7ccaa32a6620196fb271584faf5b5ab05f305057f8098da2"`
[INFO] [stdout] 062dc17c56f01e7c7ccaa32a6620196fb271584faf5b5ab05f305057f8098da2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/pkgw/serenv:/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] b67a297da0b28706f03dc88cf40eec97179b4394bed3d1d14c5476af43a0521f
[INFO] running `"docker" "start" "-a" "b67a297da0b28706f03dc88cf40eec97179b4394bed3d1d14c5476af43a0521f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/serenv-c16941856b774c8f
[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" "b67a297da0b28706f03dc88cf40eec97179b4394bed3d1d14c5476af43a0521f"`
[INFO] running `"docker" "rm" "-f" "b67a297da0b28706f03dc88cf40eec97179b4394bed3d1d14c5476af43a0521f"`
[INFO] [stdout] b67a297da0b28706f03dc88cf40eec97179b4394bed3d1d14c5476af43a0521f