[INFO] crate rental-impl 0.5.4 is already in cache
[INFO] testing rental-impl-0.5.4 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate rental-impl 0.5.4 into work/builds/worker-6/source
[INFO] validating manifest of crates.io crate rental-impl 0.5.4 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rental-impl 0.5.4
[INFO] finished tweaking crates.io crate rental-impl 0.5.4
[INFO] tweaked toml for crates.io crate rental-impl 0.5.4 written to work/builds/worker-6/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 7a65a3f1a4c470024c36593b5156974febc4b0e91f3eab8c0d19847179e0f215
[INFO] running `"docker" "start" "-a" "7a65a3f1a4c470024c36593b5156974febc4b0e91f3eab8c0d19847179e0f215"`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling rental-impl v0.5.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]     --> src/lib.rs:1428:106
[INFO] [stderr]      |
[INFO] [stderr] 1428 |             let prev_new_exprs_reverse = &borrows[0 .. idx].iter().map(|b| &b.new_expr).rev().collect::<Vec<_>>();;
[INFO] [stderr]      |                                                                                                                   ^ help: remove this semicolon
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(redundant_semicolon)]` on by default
[INFO] [stderr] 
[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 21.30s
[INFO] running `"docker" "inspect" "7a65a3f1a4c470024c36593b5156974febc4b0e91f3eab8c0d19847179e0f215"`
[INFO] running `"docker" "rm" "-f" "7a65a3f1a4c470024c36593b5156974febc4b0e91f3eab8c0d19847179e0f215"`
[INFO] [stdout] 7a65a3f1a4c470024c36593b5156974febc4b0e91f3eab8c0d19847179e0f215
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] a9fa44f21a55b9751d11a5c3dc7ab9a71c0ad99e6d94f3f9cf44568e1d7456c9
[INFO] running `"docker" "start" "-a" "a9fa44f21a55b9751d11a5c3dc7ab9a71c0ad99e6d94f3f9cf44568e1d7456c9"`
[INFO] [stderr]    Compiling rental-impl v0.5.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]     --> src/lib.rs:1428:106
[INFO] [stderr]      |
[INFO] [stderr] 1428 |             let prev_new_exprs_reverse = &borrows[0 .. idx].iter().map(|b| &b.new_expr).rev().collect::<Vec<_>>();;
[INFO] [stderr]      |                                                                                                                   ^ help: remove this semicolon
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(redundant_semicolon)]` on by default
[INFO] [stderr] 
[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 2.54s
[INFO] running `"docker" "inspect" "a9fa44f21a55b9751d11a5c3dc7ab9a71c0ad99e6d94f3f9cf44568e1d7456c9"`
[INFO] running `"docker" "rm" "-f" "a9fa44f21a55b9751d11a5c3dc7ab9a71c0ad99e6d94f3f9cf44568e1d7456c9"`
[INFO] [stdout] a9fa44f21a55b9751d11a5c3dc7ab9a71c0ad99e6d94f3f9cf44568e1d7456c9
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] f90893730deff33d3175b67ebf10e2022c94c8d6d3a9d43543e515a9695f0ea5
[INFO] running `"docker" "start" "-a" "f90893730deff33d3175b67ebf10e2022c94c8d6d3a9d43543e515a9695f0ea5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rental_impl-43b6ea7229509a8c
[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" "f90893730deff33d3175b67ebf10e2022c94c8d6d3a9d43543e515a9695f0ea5"`
[INFO] running `"docker" "rm" "-f" "f90893730deff33d3175b67ebf10e2022c94c8d6d3a9d43543e515a9695f0ea5"`
[INFO] [stdout] f90893730deff33d3175b67ebf10e2022c94c8d6d3a9d43543e515a9695f0ea5