[INFO] crate difflib 0.4.0 is already in cache
[INFO] testing difflib-0.4.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate difflib 0.4.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate difflib 0.4.0 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 difflib 0.4.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate difflib 0.4.0
[INFO] tweaked toml for crates.io crate difflib 0.4.0 written to /workspace/builds/worker-9/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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stdout] 03d72061e042ed939572da3ac0c5a03048473dde26a6b292b78599be060dc84e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "03d72061e042ed939572da3ac0c5a03048473dde26a6b292b78599be060dc84e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling difflib v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]    --> src/differ.rs:271:52
[INFO] [stderr]     |
[INFO] [stderr] 271 |         first_tags = first_tags.split_at(common).1.trim_right();
[INFO] [stderr]     |                                                    ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[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/differ.rs:272:54
[INFO] [stderr]     |
[INFO] [stderr] 272 |         second_tags = second_tags.split_at(common).1.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/sequencematcher.rs:117:17
[INFO] [stderr]     |
[INFO] [stderr] 117 |             let mut counter = second_sequence_elements
[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] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.76s
[INFO] running `"docker" "inspect" "03d72061e042ed939572da3ac0c5a03048473dde26a6b292b78599be060dc84e"`
[INFO] running `"docker" "rm" "-f" "03d72061e042ed939572da3ac0c5a03048473dde26a6b292b78599be060dc84e"`
[INFO] [stdout] 03d72061e042ed939572da3ac0c5a03048473dde26a6b292b78599be060dc84e
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 87b14c9a633b004e41966fe5b80e49dbe5e6baa7e8128fde232ef69b8bf5ec8c
[INFO] running `"docker" "start" "-a" "87b14c9a633b004e41966fe5b80e49dbe5e6baa7e8128fde232ef69b8bf5ec8c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling difflib v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]    --> src/differ.rs:271:52
[INFO] [stderr]     |
[INFO] [stderr] 271 |         first_tags = first_tags.split_at(common).1.trim_right();
[INFO] [stderr]     |                                                    ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[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/differ.rs:272:54
[INFO] [stderr]     |
[INFO] [stderr] 272 |         second_tags = second_tags.split_at(common).1.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/sequencematcher.rs:117:17
[INFO] [stderr]     |
[INFO] [stderr] 117 |             let mut counter = second_sequence_elements
[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] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]    --> src/differ.rs:271:52
[INFO] [stderr]     |
[INFO] [stderr] 271 |         first_tags = first_tags.split_at(common).1.trim_right();
[INFO] [stderr]     |                                                    ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[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/differ.rs:272:54
[INFO] [stderr]     |
[INFO] [stderr] 272 |         second_tags = second_tags.split_at(common).1.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/sequencematcher.rs:117:17
[INFO] [stderr]     |
[INFO] [stderr] 117 |             let mut counter = second_sequence_elements
[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] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.13s
[INFO] running `"docker" "inspect" "87b14c9a633b004e41966fe5b80e49dbe5e6baa7e8128fde232ef69b8bf5ec8c"`
[INFO] running `"docker" "rm" "-f" "87b14c9a633b004e41966fe5b80e49dbe5e6baa7e8128fde232ef69b8bf5ec8c"`
[INFO] [stdout] 87b14c9a633b004e41966fe5b80e49dbe5e6baa7e8128fde232ef69b8bf5ec8c
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] c2d4c2d79bc2c66bb85562b01c03495c167ebccfdf6c6ecc2cb5407bb221980c
[INFO] running `"docker" "start" "-a" "c2d4c2d79bc2c66bb85562b01c03495c167ebccfdf6c6ecc2cb5407bb221980c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]    --> src/differ.rs:271:52
[INFO] [stderr]     |
[INFO] [stderr] 271 |         first_tags = first_tags.split_at(common).1.trim_right();
[INFO] [stderr]     |                                                    ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[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/differ.rs:272:54
[INFO] [stderr]     |
[INFO] [stderr] 272 |         second_tags = second_tags.split_at(common).1.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/sequencematcher.rs:117:17
[INFO] [stderr]     |
[INFO] [stderr] 117 |             let mut counter = second_sequence_elements
[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] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]    --> src/differ.rs:271:52
[INFO] [stderr]     |
[INFO] [stderr] 271 |         first_tags = first_tags.split_at(common).1.trim_right();
[INFO] [stderr]     |                                                    ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[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/differ.rs:272:54
[INFO] [stderr]     |
[INFO] [stderr] 272 |         second_tags = second_tags.split_at(common).1.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/sequencematcher.rs:117:17
[INFO] [stderr]     |
[INFO] [stderr] 117 |             let mut counter = second_sequence_elements
[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] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/difflib-8c42820a39025a58
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test differ::test_qformat ... ok
[INFO] [stdout] test differ::test_fancy_replace ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tests-5ccf35f0d6845b24
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test test_all_matches ... ok
[INFO] [stdout] test test_longest_match ... ok
[INFO] [stdout] test test_get_opcodes ... ok
[INFO] [stdout] test test_context_diff ... ok
[INFO] [stdout] test test_ratio ... ok
[INFO] [stdout] test test_integer_slice ... ok
[INFO] [stdout] test test_unified_diff ... ok
[INFO] [stderr]    Doc-tests difflib
[INFO] [stdout] test test_differ_compare_with_func ... ok
[INFO] [stdout] test test_differ_restore ... ok
[INFO] [stdout] test test_get_close_matches ... ok
[INFO] [stdout] test test_differ_compare ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 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" "c2d4c2d79bc2c66bb85562b01c03495c167ebccfdf6c6ecc2cb5407bb221980c"`
[INFO] running `"docker" "rm" "-f" "c2d4c2d79bc2c66bb85562b01c03495c167ebccfdf6c6ecc2cb5407bb221980c"`
[INFO] [stdout] c2d4c2d79bc2c66bb85562b01c03495c167ebccfdf6c6ecc2cb5407bb221980c