[INFO] crate derive_less 0.2.0 is already in cache
[INFO] extracting crate derive_less 0.2.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/derive_less/0.2.0
[INFO] extracting crate derive_less 0.2.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/derive_less/0.2.0
[INFO] validating manifest of derive_less-0.2.0 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 derive_less-0.2.0 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 derive_less-0.2.0
[INFO] finished frobbing derive_less-0.2.0
[INFO] frobbed toml for derive_less-0.2.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/derive_less/0.2.0/Cargo.toml
[INFO] started frobbing derive_less-0.2.0
[INFO] finished frobbing derive_less-0.2.0
[INFO] frobbed toml for derive_less-0.2.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/derive_less/0.2.0/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 derive_less-0.2.0 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/derive_less/0.2.0:/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] 5bea109f81401e40476a867c0e8514f64c893be973bb1419f9e4a3904d21be71
[INFO] running `"docker" "start" "-a" "5bea109f81401e40476a867c0e8514f64c893be973bb1419f9e4a3904d21be71"`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling proc-quote-impl v0.2.2
[INFO] [stderr]    Compiling proc-quote v0.2.2
[INFO] [stderr]    Compiling derive_less v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.10s
[INFO] running `"docker" "inspect" "5bea109f81401e40476a867c0e8514f64c893be973bb1419f9e4a3904d21be71"`
[INFO] running `"docker" "rm" "-f" "5bea109f81401e40476a867c0e8514f64c893be973bb1419f9e4a3904d21be71"`
[INFO] [stdout] 5bea109f81401e40476a867c0e8514f64c893be973bb1419f9e4a3904d21be71
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/derive_less/0.2.0:/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] 0d7374440bfc5142f8a2f4f8890b2b0ea65330eb3307e7b650858cf235b39e6a
[INFO] running `"docker" "start" "-a" "0d7374440bfc5142f8a2f4f8890b2b0ea65330eb3307e7b650858cf235b39e6a"`
[INFO] [stderr]    Compiling derive_less v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: constant item is never used: `X`
[INFO] [stderr]   --> examples/permuted.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     const X: i32 = 0;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `"docker" "inspect" "0d7374440bfc5142f8a2f4f8890b2b0ea65330eb3307e7b650858cf235b39e6a"`
[INFO] running `"docker" "rm" "-f" "0d7374440bfc5142f8a2f4f8890b2b0ea65330eb3307e7b650858cf235b39e6a"`
[INFO] [stdout] 0d7374440bfc5142f8a2f4f8890b2b0ea65330eb3307e7b650858cf235b39e6a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/derive_less/0.2.0:/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] 9cc4cdf09f2792db89d1077fdad94bf30a2f0bac080fad38fbbecb1677fcb220
[INFO] running `"docker" "start" "-a" "9cc4cdf09f2792db89d1077fdad94bf30a2f0bac080fad38fbbecb1677fcb220"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/derive_less-375f139415837982
[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 derive_less
[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" "9cc4cdf09f2792db89d1077fdad94bf30a2f0bac080fad38fbbecb1677fcb220"`
[INFO] running `"docker" "rm" "-f" "9cc4cdf09f2792db89d1077fdad94bf30a2f0bac080fad38fbbecb1677fcb220"`
[INFO] [stdout] 9cc4cdf09f2792db89d1077fdad94bf30a2f0bac080fad38fbbecb1677fcb220