[INFO] crate rental-impl 0.5.4 is already in cache
[INFO] extracting crate rental-impl 0.5.4 into work/ex/beta-1.37-6/sources/1.36.0/reg/rental-impl/0.5.4
[INFO] extracting crate rental-impl 0.5.4 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/rental-impl/0.5.4
[INFO] validating manifest of rental-impl-0.5.4 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 rental-impl-0.5.4 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 rental-impl-0.5.4
[INFO] finished frobbing rental-impl-0.5.4
[INFO] frobbed toml for rental-impl-0.5.4 written to work/ex/beta-1.37-6/sources/1.36.0/reg/rental-impl/0.5.4/Cargo.toml
[INFO] started frobbing rental-impl-0.5.4
[INFO] finished frobbing rental-impl-0.5.4
[INFO] frobbed toml for rental-impl-0.5.4 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/rental-impl/0.5.4/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 rental-impl-0.5.4 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-1/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/rental-impl/0.5.4:/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] 41cf0130ca4e1f65fe43b066558976043fe93b5038cca48cc4c95b15fec83598
[INFO] running `"docker" "start" "-a" "41cf0130ca4e1f65fe43b066558976043fe93b5038cca48cc4c95b15fec83598"`
[INFO] [stderr]    Compiling rental-impl v0.5.4 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]   --> src/lib.rs:24:17
[INFO] [stderr]    |
[INFO] [stderr] 24 |         input = input.trim_left();
[INFO] [stderr]    |                       ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]   --> src/lib.rs:30:17
[INFO] [stderr]    |
[INFO] [stderr] 30 |         input = input.trim_right();
[INFO] [stderr]    |                       ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:910:8
[INFO] [stderr]     |
[INFO] [stderr] 910 |             let mut leftover = list.nested.iter().filter(|nested| {
[INFO] [stderr]     |                 ----^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.88s
[INFO] running `"docker" "inspect" "41cf0130ca4e1f65fe43b066558976043fe93b5038cca48cc4c95b15fec83598"`
[INFO] running `"docker" "rm" "-f" "41cf0130ca4e1f65fe43b066558976043fe93b5038cca48cc4c95b15fec83598"`
[INFO] [stdout] 41cf0130ca4e1f65fe43b066558976043fe93b5038cca48cc4c95b15fec83598
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/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/rental-impl/0.5.4:/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] c84248186d2f76fea2f4fb7b0fd4afb02d16e47a2ccbbb468cc1efe65df661fc
[INFO] running `"docker" "start" "-a" "c84248186d2f76fea2f4fb7b0fd4afb02d16e47a2ccbbb468cc1efe65df661fc"`
[INFO] [stderr]    Compiling rental-impl v0.5.4 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]   --> src/lib.rs:24:17
[INFO] [stderr]    |
[INFO] [stderr] 24 |         input = input.trim_left();
[INFO] [stderr]    |                       ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]   --> src/lib.rs:30:17
[INFO] [stderr]    |
[INFO] [stderr] 30 |         input = input.trim_right();
[INFO] [stderr]    |                       ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:910:8
[INFO] [stderr]     |
[INFO] [stderr] 910 |             let mut leftover = list.nested.iter().filter(|nested| {
[INFO] [stderr]     |                 ----^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.94s
[INFO] running `"docker" "inspect" "c84248186d2f76fea2f4fb7b0fd4afb02d16e47a2ccbbb468cc1efe65df661fc"`
[INFO] running `"docker" "rm" "-f" "c84248186d2f76fea2f4fb7b0fd4afb02d16e47a2ccbbb468cc1efe65df661fc"`
[INFO] [stdout] c84248186d2f76fea2f4fb7b0fd4afb02d16e47a2ccbbb468cc1efe65df661fc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/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/rental-impl/0.5.4:/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] bd0ffba840dc87ad0e1f28d2bd9c970560786a6bcbf96edf282b56dec90e232a
[INFO] running `"docker" "start" "-a" "bd0ffba840dc87ad0e1f28d2bd9c970560786a6bcbf96edf282b56dec90e232a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rental_impl-b79f30d222fc116e
[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 rental-impl
[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" "bd0ffba840dc87ad0e1f28d2bd9c970560786a6bcbf96edf282b56dec90e232a"`
[INFO] running `"docker" "rm" "-f" "bd0ffba840dc87ad0e1f28d2bd9c970560786a6bcbf96edf282b56dec90e232a"`
[INFO] [stdout] bd0ffba840dc87ad0e1f28d2bd9c970560786a6bcbf96edf282b56dec90e232a