[INFO] updating cached repository jen20/slogtest
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jen20/slogtest
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jen20/slogtest" "work/ex/beta-1.38-1/sources/1.37.0/gh/jen20/slogtest"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/jen20/slogtest'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jen20/slogtest" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jen20/slogtest"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jen20/slogtest'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e04a1d586cc8df7a511edb8c2d6e6b62e4ea59f8
[INFO] sha for GitHub repo jen20/slogtest: e04a1d586cc8df7a511edb8c2d6e6b62e4ea59f8
[INFO] validating manifest of jen20/slogtest 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 jen20/slogtest 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 jen20/slogtest
[INFO] finished frobbing jen20/slogtest
[INFO] frobbed toml for jen20/slogtest written to work/ex/beta-1.38-1/sources/1.37.0/gh/jen20/slogtest/Cargo.toml
[INFO] started frobbing jen20/slogtest
[INFO] finished frobbing jen20/slogtest
[INFO] frobbed toml for jen20/slogtest written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jen20/slogtest/Cargo.toml
[INFO] crate jen20/slogtest 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 jen20/slogtest 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/jen20/slogtest:/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] eab710025f4634d4ed4b53586b7b4f6b4f41a2068de5732383eabf78ff07879e
[INFO] running `"docker" "start" "-a" "eab710025f4634d4ed4b53586b7b4f6b4f41a2068de5732383eabf78ff07879e"`
[INFO] [stderr]    Compiling serde v1.0.75
[INFO] [stderr]    Compiling slog v2.3.3
[INFO] [stderr]    Compiling isatty v0.1.8
[INFO] [stderr]    Compiling term v0.5.1
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling chrono v0.3.0
[INFO] [stderr]    Compiling slog-async v2.3.0
[INFO] [stderr]    Compiling slog-term v2.4.0
[INFO] [stderr]    Compiling serde_json v1.0.26
[INFO] [stderr]    Compiling slog-json v2.2.0
[INFO] [stderr]    Compiling slog-bunyan v2.1.1-pre (https://github.com/jen20/bunyan?branch=windows-hostname#fe278605)
[INFO] [stderr]    Compiling slogtest v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[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 25.11s
[INFO] running `"docker" "inspect" "eab710025f4634d4ed4b53586b7b4f6b4f41a2068de5732383eabf78ff07879e"`
[INFO] running `"docker" "rm" "-f" "eab710025f4634d4ed4b53586b7b4f6b4f41a2068de5732383eabf78ff07879e"`
[INFO] [stdout] eab710025f4634d4ed4b53586b7b4f6b4f41a2068de5732383eabf78ff07879e
[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/jen20/slogtest:/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] c708dcd3b188fbcc71f6cfff4ef0372b34a1c579e6689637f39865b5f915a268
[INFO] running `"docker" "start" "-a" "c708dcd3b188fbcc71f6cfff4ef0372b34a1c579e6689637f39865b5f915a268"`
[INFO] [stderr]    Compiling slogtest v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[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 1.03s
[INFO] running `"docker" "inspect" "c708dcd3b188fbcc71f6cfff4ef0372b34a1c579e6689637f39865b5f915a268"`
[INFO] running `"docker" "rm" "-f" "c708dcd3b188fbcc71f6cfff4ef0372b34a1c579e6689637f39865b5f915a268"`
[INFO] [stdout] c708dcd3b188fbcc71f6cfff4ef0372b34a1c579e6689637f39865b5f915a268
[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/jen20/slogtest:/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] 3ec4fdf931ad62f66b76492f6993966b737950d4c7a0e15663224ded9081f160
[INFO] running `"docker" "start" "-a" "3ec4fdf931ad62f66b76492f6993966b737950d4c7a0e15663224ded9081f160"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/slogtest-68cb64d8cb8650e2
[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" "3ec4fdf931ad62f66b76492f6993966b737950d4c7a0e15663224ded9081f160"`
[INFO] running `"docker" "rm" "-f" "3ec4fdf931ad62f66b76492f6993966b737950d4c7a0e15663224ded9081f160"`
[INFO] [stdout] 3ec4fdf931ad62f66b76492f6993966b737950d4c7a0e15663224ded9081f160