[INFO] crate hack_log 0.1.0 is already in cache
[INFO] extracting crate hack_log 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/hack_log/0.1.0
[INFO] extracting crate hack_log 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/hack_log/0.1.0
[INFO] validating manifest of hack_log-0.1.0 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 hack_log-0.1.0 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 hack_log-0.1.0
[INFO] finished frobbing hack_log-0.1.0
[INFO] frobbed toml for hack_log-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/hack_log/0.1.0/Cargo.toml
[INFO] started frobbing hack_log-0.1.0
[INFO] finished frobbing hack_log-0.1.0
[INFO] frobbed toml for hack_log-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/hack_log/0.1.0/Cargo.toml
[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 hack_log-0.1.0 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/reg/hack_log/0.1.0:/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] 443801584ff3fd2aa52907c108b6666b726ad2ec65190cb6a1f4405f0ec5f353
[INFO] running `"docker" "start" "-a" "443801584ff3fd2aa52907c108b6666b726ad2ec65190cb6a1f4405f0ec5f353"`
[INFO] [stderr]    Compiling hack_log v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `indent`
[INFO] [stderr]   --> src/lib.rs:76:1
[INFO] [stderr]    |
[INFO] [stderr] 76 | fn indent() -> usize {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `unindent`
[INFO] [stderr]   --> src/lib.rs:80:1
[INFO] [stderr]    |
[INFO] [stderr] 80 | fn unindent() -> usize {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "443801584ff3fd2aa52907c108b6666b726ad2ec65190cb6a1f4405f0ec5f353"`
[INFO] running `"docker" "rm" "-f" "443801584ff3fd2aa52907c108b6666b726ad2ec65190cb6a1f4405f0ec5f353"`
[INFO] [stdout] 443801584ff3fd2aa52907c108b6666b726ad2ec65190cb6a1f4405f0ec5f353
[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/reg/hack_log/0.1.0:/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] dbd2b6bc9cc60a4ab1987c66154e76a106f7f3ca1e48f7b0d119986b50b12e32
[INFO] running `"docker" "start" "-a" "dbd2b6bc9cc60a4ab1987c66154e76a106f7f3ca1e48f7b0d119986b50b12e32"`
[INFO] [stderr]    Compiling hack_log v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.18s
[INFO] running `"docker" "inspect" "dbd2b6bc9cc60a4ab1987c66154e76a106f7f3ca1e48f7b0d119986b50b12e32"`
[INFO] running `"docker" "rm" "-f" "dbd2b6bc9cc60a4ab1987c66154e76a106f7f3ca1e48f7b0d119986b50b12e32"`
[INFO] [stdout] dbd2b6bc9cc60a4ab1987c66154e76a106f7f3ca1e48f7b0d119986b50b12e32
[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/reg/hack_log/0.1.0:/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] 1d035d110988811fdcdefd13754dc7b7e9a4ce7a52188be0ad0c0f5075fd6298
[INFO] running `"docker" "start" "-a" "1d035d110988811fdcdefd13754dc7b7e9a4ce7a52188be0ad0c0f5075fd6298"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hack_log-eb1cded830cc0101
[INFO] [stderr] [-] level 1 - error message 1
[INFO] [stdout] 
[INFO] [stderr]  [-] level 2 - error message 1
[INFO] [stdout] running 1 test
[INFO] [stderr]      [-] level 3 - error message 1
[INFO] [stdout] test tests::test ... ok
[INFO] [stderr]  [-] level 2 - error message 2
[INFO] [stdout] 
[INFO] [stderr] [-] level 1 - error message 1
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr] [*] a warning message
[INFO] [stdout] 
[INFO] [stderr] [+] a info message
[INFO] [stderr] [#] a debug message
[INFO] [stderr] [%] a trace message
[INFO] [stderr]    Doc-tests hack_log
[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" "1d035d110988811fdcdefd13754dc7b7e9a4ce7a52188be0ad0c0f5075fd6298"`
[INFO] running `"docker" "rm" "-f" "1d035d110988811fdcdefd13754dc7b7e9a4ce7a52188be0ad0c0f5075fd6298"`
[INFO] [stdout] 1d035d110988811fdcdefd13754dc7b7e9a4ce7a52188be0ad0c0f5075fd6298