[INFO] crate byte_units 0.1.3 is already in cache
[INFO] extracting crate byte_units 0.1.3 into work/ex/beta-1.37-6/sources/1.36.0/reg/byte_units/0.1.3
[INFO] extracting crate byte_units 0.1.3 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/byte_units/0.1.3
[INFO] validating manifest of byte_units-0.1.3 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 byte_units-0.1.3 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 byte_units-0.1.3
[INFO] finished frobbing byte_units-0.1.3
[INFO] frobbed toml for byte_units-0.1.3 written to work/ex/beta-1.37-6/sources/1.36.0/reg/byte_units/0.1.3/Cargo.toml
[INFO] started frobbing byte_units-0.1.3
[INFO] finished frobbing byte_units-0.1.3
[INFO] frobbed toml for byte_units-0.1.3 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/byte_units/0.1.3/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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing byte_units-0.1.3 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/byte_units/0.1.3:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] b32f4ece719fb02c419973b45e4a932d1f68f379f87b4bd1b9523a494a8f28f8
[INFO] running `"docker" "start" "-a" "b32f4ece719fb02c419973b45e4a932d1f68f379f87b4bd1b9523a494a8f28f8"`
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]    Compiling byte_units v0.1.3 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `self::errors::*`
[INFO] [stderr]   --> src/lib.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use self::errors::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `kB` should have an upper camel case name
[INFO] [stderr]   --> src/lib.rs:35:12
[INFO] [stderr]    |
[INFO] [stderr] 35 | pub struct kB(pub f64);
[INFO] [stderr]    |            ^^ help: convert the identifier to upper camel case: `KB`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_camel_case_types)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `"docker" "inspect" "b32f4ece719fb02c419973b45e4a932d1f68f379f87b4bd1b9523a494a8f28f8"`
[INFO] running `"docker" "rm" "-f" "b32f4ece719fb02c419973b45e4a932d1f68f379f87b4bd1b9523a494a8f28f8"`
[INFO] [stdout] b32f4ece719fb02c419973b45e4a932d1f68f379f87b4bd1b9523a494a8f28f8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/byte_units/0.1.3:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 5c5f78b27492711ee19c5a1ca5aeeedea6c9635a5fe1f17ea59ed97495f8d1d5
[INFO] running `"docker" "start" "-a" "5c5f78b27492711ee19c5a1ca5aeeedea6c9635a5fe1f17ea59ed97495f8d1d5"`
[INFO] [stderr]    Compiling byte_units v0.1.3 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `self::errors::*`
[INFO] [stderr]   --> src/lib.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use self::errors::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `kB` should have an upper camel case name
[INFO] [stderr]   --> src/lib.rs:35:12
[INFO] [stderr]    |
[INFO] [stderr] 35 | pub struct kB(pub f64);
[INFO] [stderr]    |            ^^ help: convert the identifier to upper camel case: `KB`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_camel_case_types)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `"docker" "inspect" "5c5f78b27492711ee19c5a1ca5aeeedea6c9635a5fe1f17ea59ed97495f8d1d5"`
[INFO] running `"docker" "rm" "-f" "5c5f78b27492711ee19c5a1ca5aeeedea6c9635a5fe1f17ea59ed97495f8d1d5"`
[INFO] [stdout] 5c5f78b27492711ee19c5a1ca5aeeedea6c9635a5fe1f17ea59ed97495f8d1d5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/byte_units/0.1.3:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] cb9b8d61d30a32f0d6f9c981d6259c8939f1d03ba4a5b37246ab6368d2a8ee43
[INFO] running `"docker" "start" "-a" "cb9b8d61d30a32f0d6f9c981d6259c8939f1d03ba4a5b37246ab6368d2a8ee43"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/byte_units-2b58c96de93b6735
[INFO] [stderr]    Doc-tests byte_units
[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" "cb9b8d61d30a32f0d6f9c981d6259c8939f1d03ba4a5b37246ab6368d2a8ee43"`
[INFO] running `"docker" "rm" "-f" "cb9b8d61d30a32f0d6f9c981d6259c8939f1d03ba4a5b37246ab6368d2a8ee43"`
[INFO] [stdout] cb9b8d61d30a32f0d6f9c981d6259c8939f1d03ba4a5b37246ab6368d2a8ee43