[INFO] fetching crate difflib 0.4.0...
[INFO] building difflib-0.4.0 against try#d5c88c22807925c189328ef9d923c5d2b11a95b8+rustflags=-Zprofile-closures for pr-87066-3
[INFO] extracting crate difflib 0.4.0 into /workspace/builds/worker-50/source
[INFO] validating manifest of crates.io crate difflib 0.4.0 on toolchain d5c88c22807925c189328ef9d923c5d2b11a95b8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-50/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b1c4a55b3bb7ce0e2ded896c6940b22642daeebcf760b1177d576cf7b9d8148
[INFO] running `Command { std: "docker" "start" "-a" "4b1c4a55b3bb7ce0e2ded896c6940b22642daeebcf760b1177d576cf7b9d8148", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b1c4a55b3bb7ce0e2ded896c6940b22642daeebcf760b1177d576cf7b9d8148", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b1c4a55b3bb7ce0e2ded896c6940b22642daeebcf760b1177d576cf7b9d8148", kill_on_drop: false }`
[INFO] [stdout] 4b1c4a55b3bb7ce0e2ded896c6940b22642daeebcf760b1177d576cf7b9d8148
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Zprofile-closures" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d9030b11c999eeafda3812edf4a97e43fc59d3e995ceb17042a36248b528b054
[INFO] running `Command { std: "docker" "start" "-a" "d9030b11c999eeafda3812edf4a97e43fc59d3e995ceb17042a36248b528b054", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling difflib v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]    --> src/differ.rs:271:52
[INFO] [stdout]     |
[INFO] [stdout] 271 |         first_tags = first_tags.split_at(common).1.trim_right();
[INFO] [stdout]     |                                                    ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]    --> src/differ.rs:272:54
[INFO] [stdout]     |
[INFO] [stdout] 272 |         second_tags = second_tags.split_at(common).1.trim_right();
[INFO] [stdout]     |                                                      ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/sequencematcher.rs:117:17
[INFO] [stdout]     |
[INFO] [stdout] 117 |             let mut counter = second_sequence_elements
[INFO] [stdout]     |                 ----^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] SG_CR_Eslkdjf: difflib, (ffaf31483e46afb3, 2d6b095a47491de7), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: difflib, (babde7c234409b1e, 916367f11b4a9f2b), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: difflib, (6ad127c7de91a403, 93b26eda2e5cee1a), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: difflib, (d3cef30b4b02ee4d, cb27e9ce42600d19), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: difflib, (a15e449b27d3ca20, a0ec9b6326f94503), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: difflib, (381f50a30ff3993a, 26b23709cd1679e1), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: difflib, (f59334bb61a7d2e2, 6e3aab29ace5cbe2), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: difflib, (5ef93b946d0db0f0, 4440bb40482758df), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: difflib, (2098e15cc87a870b, 9c84b7ec76fbc39), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: difflib, (102a5195c6e71361, d6d0e87d08bda675), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: difflib, (9dd8588727a003a3, a42b2a953bcab0b2), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: difflib, (ca8066a3822679c1, 71b6649275d00a3f), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: difflib, (350b8cea6b1fafe3, c9d271702c0a6fde), 0, 0
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "d9030b11c999eeafda3812edf4a97e43fc59d3e995ceb17042a36248b528b054", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9030b11c999eeafda3812edf4a97e43fc59d3e995ceb17042a36248b528b054", kill_on_drop: false }`
[INFO] [stdout] d9030b11c999eeafda3812edf4a97e43fc59d3e995ceb17042a36248b528b054
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Zprofile-closures" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f882da29f005ee0e12dad453e616000fdd954cb3eaae21c267b3a8b0c1bcb10
[INFO] running `Command { std: "docker" "start" "-a" "5f882da29f005ee0e12dad453e616000fdd954cb3eaae21c267b3a8b0c1bcb10", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]    --> src/differ.rs:271:52
[INFO] [stdout]     |
[INFO] [stdout] 271 |         first_tags = first_tags.split_at(common).1.trim_right();
[INFO] [stdout]     |                                                    ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] SG_CR_Eslkdjf: difflib, (ffaf31483e46afb3, 2d6b095a47491de7), 8, 8
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]    --> src/differ.rs:272:54
[INFO] [stdout]     |
[INFO] [stdout] 272 |         second_tags = second_tags.split_at(common).1.trim_right();
[INFO] [stdout]     |                                                      ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] SG_CR_Eslkdjf: difflib, (babde7c234409b1e, 916367f11b4a9f2b), 8, 8
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/sequencematcher.rs:117:17
[INFO] [stdout]     |
[INFO] [stdout] 117 |             let mut counter = second_sequence_elements
[INFO] [stdout]     |                 ----^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] SG_CR_Eslkdjf: difflib, (6ad127c7de91a403, 93b26eda2e5cee1a), 0, 0
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] SG_CR_Eslkdjf: difflib, (d3cef30b4b02ee4d, cb27e9ce42600d19), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: difflib, (a15e449b27d3ca20, a0ec9b6326f94503), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: difflib, (381f50a30ff3993a, 26b23709cd1679e1), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: difflib, (f59334bb61a7d2e2, 6e3aab29ace5cbe2), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: difflib, (5ef93b946d0db0f0, 4440bb40482758df), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: difflib, (2098e15cc87a870b, 9c84b7ec76fbc39), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: difflib, (102a5195c6e71361, d6d0e87d08bda675), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: difflib, (9dd8588727a003a3, a42b2a953bcab0b2), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: difflib, (ca8066a3822679c1, 71b6649275d00a3f), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: difflib, (350b8cea6b1fafe3, c9d271702c0a6fde), 0, 0
[INFO] [stderr]    Compiling difflib v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr] SG_CR_Eslkdjf: tests, (838ae417401cf06a, a0837da0d76d5863), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: tests, (572d88778f317cee, bc7ae6372800e51f), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: tests, (5c347beae4e55a11, 5d0ad4acc6d18dd4), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: tests, (9e65f19ba00e7e37, fc227a301e3d7d68), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: tests, (efdc173e8dca15a9, 1d83a535702a378b), 0, 0
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]    --> src/differ.rs:271:52
[INFO] [stdout]     |
[INFO] [stdout] 271 |         first_tags = first_tags.split_at(common).1.trim_right();
[INFO] [stdout]     |                                                    ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] SG_CR_Eslkdjf: tests, (94ec42a71bc9ce60, f37e6d67047ee6ef), 0, 0
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]    --> src/differ.rs:272:54
[INFO] [stdout]     |
[INFO] [stdout] 272 |         second_tags = second_tags.split_at(common).1.trim_right();
[INFO] [stdout]     |                                                      ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] SG_CR_Eslkdjf: tests, (a78fb1b35083d52e, 83f581b5f2cbc5bd), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: tests, (26b97661c1da90e8, 520ba52762ba7f93), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: tests, (2a9561997b0392e0, e5dbf8c275a2fb8d), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: tests, (b34fb0a24dc0fdc2, 92355a66dfb1cddd), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: tests, (79331a6b7539ca02, a94e6c3b7453afa6), 0, 0
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/sequencematcher.rs:117:17
[INFO] [stdout]     |
[INFO] [stdout] 117 |             let mut counter = second_sequence_elements
[INFO] [stdout]     |                 ----^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] SG_CR_Eslkdjf: difflib, (42d2b6d7bed90794, 3558d289c5f4e082), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: difflib, (6e1ad4225f353d14, 2f9460b6a38ae3f), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: difflib, (6c9437742f021814, 4c25bfec99940b41), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: difflib, (3d825bf064179527, a9d6da5e9fd2ee92), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: difflib, (4f9020125dbb6d67, 9bbf012e6c4b4320), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: difflib, (4aba9538cc3831c3, e19fa62ff7a7694f), 0, 0
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.11s
[INFO] running `Command { std: "docker" "inspect" "5f882da29f005ee0e12dad453e616000fdd954cb3eaae21c267b3a8b0c1bcb10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f882da29f005ee0e12dad453e616000fdd954cb3eaae21c267b3a8b0c1bcb10", kill_on_drop: false }`
[INFO] [stdout] 5f882da29f005ee0e12dad453e616000fdd954cb3eaae21c267b3a8b0c1bcb10