[INFO] crate cem 0.1.0 is already in cache
[INFO] extracting crate cem 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/cem/0.1.0
[INFO] extracting crate cem 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/cem/0.1.0
[INFO] validating manifest of cem-0.1.0 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 cem-0.1.0 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 cem-0.1.0
[INFO] finished frobbing cem-0.1.0
[INFO] frobbed toml for cem-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/cem/0.1.0/Cargo.toml
[INFO] started frobbing cem-0.1.0
[INFO] finished frobbing cem-0.1.0
[INFO] frobbed toml for cem-0.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/cem/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing cem-0.1.0 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/cem/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 6e8d922e14dea55c4205378d88e57e663b6a17a3fdf49904dcf56e7dd2ca7072
[INFO] running `"docker" "start" "-a" "6e8d922e14dea55c4205378d88e57e663b6a17a3fdf49904dcf56e7dd2ca7072"`
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling approx v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling cem v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]   --> src/encode.rs:49:12
[INFO] [stderr]    |
[INFO] [stderr] 49 |     let s = s.trim_right_matches('\0');
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.16s
[INFO] running `"docker" "inspect" "6e8d922e14dea55c4205378d88e57e663b6a17a3fdf49904dcf56e7dd2ca7072"`
[INFO] running `"docker" "rm" "-f" "6e8d922e14dea55c4205378d88e57e663b6a17a3fdf49904dcf56e7dd2ca7072"`
[INFO] [stdout] 6e8d922e14dea55c4205378d88e57e663b6a17a3fdf49904dcf56e7dd2ca7072
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/cem/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 5d5fca375dac0521fee57b5964afe85c518ddf1fe8288aadbc246d505aed5947
[INFO] running `"docker" "start" "-a" "5d5fca375dac0521fee57b5964afe85c518ddf1fe8288aadbc246d505aed5947"`
[INFO] [stderr]    Compiling cem v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]   --> src/encode.rs:49:12
[INFO] [stderr]    |
[INFO] [stderr] 49 |     let s = s.trim_right_matches('\0');
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `"docker" "inspect" "5d5fca375dac0521fee57b5964afe85c518ddf1fe8288aadbc246d505aed5947"`
[INFO] running `"docker" "rm" "-f" "5d5fca375dac0521fee57b5964afe85c518ddf1fe8288aadbc246d505aed5947"`
[INFO] [stdout] 5d5fca375dac0521fee57b5964afe85c518ddf1fe8288aadbc246d505aed5947
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/cem/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] cb77d8ff9f39b824df5260d3812a52ca31bc220f1e9e0f48b1a4b7719ec4c928
[INFO] running `"docker" "start" "-a" "cb77d8ff9f39b824df5260d3812a52ca31bc220f1e9e0f48b1a4b7719ec4c928"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cem-c0531fdda42d09f6
[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/report-a2e5b399214a8499
[INFO] [stderr]    Doc-tests cem
[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] [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" "cb77d8ff9f39b824df5260d3812a52ca31bc220f1e9e0f48b1a4b7719ec4c928"`
[INFO] running `"docker" "rm" "-f" "cb77d8ff9f39b824df5260d3812a52ca31bc220f1e9e0f48b1a4b7719ec4c928"`
[INFO] [stdout] cb77d8ff9f39b824df5260d3812a52ca31bc220f1e9e0f48b1a4b7719ec4c928