[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 beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 0ccf99e2db6f546e945ecf76488e2eb66dfeda5c21e9710b446cdfa8aa4bee0d
[INFO] running `"docker" "start" "-a" "0ccf99e2db6f546e945ecf76488e2eb66dfeda5c21e9710b446cdfa8aa4bee0d"`
[INFO] [stderr]    Compiling serde v1.0.75
[INFO] [stderr]    Compiling slog v2.3.3
[INFO] [stderr]    Compiling take_mut v0.2.2
[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 22.48s
[INFO] running `"docker" "inspect" "0ccf99e2db6f546e945ecf76488e2eb66dfeda5c21e9710b446cdfa8aa4bee0d"`
[INFO] running `"docker" "rm" "-f" "0ccf99e2db6f546e945ecf76488e2eb66dfeda5c21e9710b446cdfa8aa4bee0d"`
[INFO] [stdout] 0ccf99e2db6f546e945ecf76488e2eb66dfeda5c21e9710b446cdfa8aa4bee0d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] df71cb3b979a1812f05fe64c23295a01a0b42bd0c433dbffe7d71edafa51ca22
[INFO] running `"docker" "start" "-a" "df71cb3b979a1812f05fe64c23295a01a0b42bd0c433dbffe7d71edafa51ca22"`
[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 0.68s
[INFO] running `"docker" "inspect" "df71cb3b979a1812f05fe64c23295a01a0b42bd0c433dbffe7d71edafa51ca22"`
[INFO] running `"docker" "rm" "-f" "df71cb3b979a1812f05fe64c23295a01a0b42bd0c433dbffe7d71edafa51ca22"`
[INFO] [stdout] df71cb3b979a1812f05fe64c23295a01a0b42bd0c433dbffe7d71edafa51ca22
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 9526c23b1cdcae3bced5dddba9909ba6fa6de527433fe972d209c4277b7d5fae
[INFO] running `"docker" "start" "-a" "9526c23b1cdcae3bced5dddba9909ba6fa6de527433fe972d209c4277b7d5fae"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/slogtest-e15bc0411e4fb2b3
[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" "9526c23b1cdcae3bced5dddba9909ba6fa6de527433fe972d209c4277b7d5fae"`
[INFO] running `"docker" "rm" "-f" "9526c23b1cdcae3bced5dddba9909ba6fa6de527433fe972d209c4277b7d5fae"`
[INFO] [stdout] 9526c23b1cdcae3bced5dddba9909ba6fa6de527433fe972d209c4277b7d5fae