[INFO] updating cached repository coderbot16/cem
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/coderbot16/cem
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/coderbot16/cem" "work/ex/beta-1.38-1/sources/1.37.0/gh/coderbot16/cem"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/coderbot16/cem'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/coderbot16/cem" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/coderbot16/cem"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/coderbot16/cem'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7b0b76420ebb77006d681f38aa4c4aa16f6baa61
[INFO] sha for GitHub repo coderbot16/cem: 7b0b76420ebb77006d681f38aa4c4aa16f6baa61
[INFO] validating manifest of coderbot16/cem 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 coderbot16/cem 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 coderbot16/cem
[INFO] finished frobbing coderbot16/cem
[INFO] frobbed toml for coderbot16/cem written to work/ex/beta-1.38-1/sources/1.37.0/gh/coderbot16/cem/Cargo.toml
[INFO] started frobbing coderbot16/cem
[INFO] finished frobbing coderbot16/cem
[INFO] frobbed toml for coderbot16/cem written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/coderbot16/cem/Cargo.toml
[INFO] crate coderbot16/cem 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 coderbot16/cem 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/coderbot16/cem:/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] f204045e655b1c53697593f9e163e5d31fac29a8bcde8dbcc940335114545bce
[INFO] running `"docker" "start" "-a" "f204045e655b1c53697593f9e163e5d31fac29a8bcde8dbcc940335114545bce"`
[INFO] [stderr]    Compiling cgmath v0.16.0
[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 10.63s
[INFO] running `"docker" "inspect" "f204045e655b1c53697593f9e163e5d31fac29a8bcde8dbcc940335114545bce"`
[INFO] running `"docker" "rm" "-f" "f204045e655b1c53697593f9e163e5d31fac29a8bcde8dbcc940335114545bce"`
[INFO] [stdout] f204045e655b1c53697593f9e163e5d31fac29a8bcde8dbcc940335114545bce
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/coderbot16/cem:/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] 4ed5aed5f0f38300201da7106b539a28d20411b1a9799545574b55525b179f62
[INFO] running `"docker" "start" "-a" "4ed5aed5f0f38300201da7106b539a28d20411b1a9799545574b55525b179f62"`
[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 1.81s
[INFO] running `"docker" "inspect" "4ed5aed5f0f38300201da7106b539a28d20411b1a9799545574b55525b179f62"`
[INFO] running `"docker" "rm" "-f" "4ed5aed5f0f38300201da7106b539a28d20411b1a9799545574b55525b179f62"`
[INFO] [stdout] 4ed5aed5f0f38300201da7106b539a28d20411b1a9799545574b55525b179f62
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/coderbot16/cem:/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] b9af79ae2fd8073ebece8f8b64f2bdbf05bc112a8e94d296a7d226ca84c87ad5
[INFO] running `"docker" "start" "-a" "b9af79ae2fd8073ebece8f8b64f2bdbf05bc112a8e94d296a7d226ca84c87ad5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cem-7cf4447d20180b67
[INFO] [stderr]      Running /opt/crater/target/debug/deps/report-b91e0964e7e80a18
[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] [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] running `"docker" "inspect" "b9af79ae2fd8073ebece8f8b64f2bdbf05bc112a8e94d296a7d226ca84c87ad5"`
[INFO] running `"docker" "rm" "-f" "b9af79ae2fd8073ebece8f8b64f2bdbf05bc112a8e94d296a7d226ca84c87ad5"`
[INFO] [stdout] b9af79ae2fd8073ebece8f8b64f2bdbf05bc112a8e94d296a7d226ca84c87ad5