[INFO] crate rental-impl 0.5.5 is already in cache
[INFO] testing rental-impl-0.5.5 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate rental-impl 0.5.5 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rental-impl 0.5.5 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rental-impl 0.5.5
[INFO] finished tweaking crates.io crate rental-impl 0.5.5
[INFO] tweaked toml for crates.io crate rental-impl 0.5.5 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8c654a8db97fbecf2d6168a3bbe8de5b54542da97c9923d508d5c6adbbeae057
[INFO] running `"docker" "start" "-a" "8c654a8db97fbecf2d6168a3bbe8de5b54542da97c9923d508d5c6adbbeae057"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling rental-impl v0.5.5 (/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_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.92s
[INFO] running `"docker" "inspect" "8c654a8db97fbecf2d6168a3bbe8de5b54542da97c9923d508d5c6adbbeae057"`
[INFO] running `"docker" "rm" "-f" "8c654a8db97fbecf2d6168a3bbe8de5b54542da97c9923d508d5c6adbbeae057"`
[INFO] [stdout] 8c654a8db97fbecf2d6168a3bbe8de5b54542da97c9923d508d5c6adbbeae057
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2e262e809281bb678f9642e555424b750f150b7b081a2c0742d61e5565d2c944
[INFO] running `"docker" "start" "-a" "2e262e809281bb678f9642e555424b750f150b7b081a2c0742d61e5565d2c944"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rental-impl v0.5.5 (/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_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[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_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.25s
[INFO] running `"docker" "inspect" "2e262e809281bb678f9642e555424b750f150b7b081a2c0742d61e5565d2c944"`
[INFO] running `"docker" "rm" "-f" "2e262e809281bb678f9642e555424b750f150b7b081a2c0742d61e5565d2c944"`
[INFO] [stdout] 2e262e809281bb678f9642e555424b750f150b7b081a2c0742d61e5565d2c944
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 130bea41c0d3cc1b3b854f6b44883960be6e730c9246a1a359c086014f0833d3
[INFO] running `"docker" "start" "-a" "130bea41c0d3cc1b3b854f6b44883960be6e730c9246a1a359c086014f0833d3"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[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_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rental_impl-07366b44417fa300
[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" "130bea41c0d3cc1b3b854f6b44883960be6e730c9246a1a359c086014f0833d3"`
[INFO] running `"docker" "rm" "-f" "130bea41c0d3cc1b3b854f6b44883960be6e730c9246a1a359c086014f0833d3"`
[INFO] [stdout] 130bea41c0d3cc1b3b854f6b44883960be6e730c9246a1a359c086014f0833d3