[INFO] fetching crate difflib 0.4.0...
[INFO] checking difflib-0.4.0 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate difflib 0.4.0 into /workspace/builds/worker-0-tc2/source
[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-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate difflib 0.4.0 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4054b39b57e476193d9dca5a2906ec03483272620d7bcc0042efbd556db1a966
[INFO] running `Command { std: "docker" "start" "-a" "4054b39b57e476193d9dca5a2906ec03483272620d7bcc0042efbd556db1a966", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4054b39b57e476193d9dca5a2906ec03483272620d7bcc0042efbd556db1a966", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4054b39b57e476193d9dca5a2906ec03483272620d7bcc0042efbd556db1a966", kill_on_drop: false }`
[INFO] [stdout] 4054b39b57e476193d9dca5a2906ec03483272620d7bcc0042efbd556db1a966
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e2ab0557500c97f24298314247bc6953074e8282bf25aa844348e61994475bb
[INFO] running `Command { std: "docker" "start" "-a" "3e2ab0557500c97f24298314247bc6953074e8282bf25aa844348e61994475bb", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Checking difflib v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `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]     |                                                    ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 271 -         first_tags = first_tags.split_at(common).1.trim_right();
[INFO] [stdout] 271 +         first_tags = first_tags.split_at(common).1.trim_end();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `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]     |                                                      ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 272 -         second_tags = second_tags.split_at(common).1.trim_right();
[INFO] [stdout] 272 +         second_tags = second_tags.split_at(common).1.trim_end();
[INFO] [stdout]     |
[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] [stdout] warning: use of deprecated method `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]     |                                                    ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 271 -         first_tags = first_tags.split_at(common).1.trim_right();
[INFO] [stdout] 271 +         first_tags = first_tags.split_at(common).1.trim_end();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `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]     |                                                      ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 272 -         second_tags = second_tags.split_at(common).1.trim_right();
[INFO] [stdout] 272 +         second_tags = second_tags.split_at(common).1.trim_end();
[INFO] [stdout]     |
[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]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "3e2ab0557500c97f24298314247bc6953074e8282bf25aa844348e61994475bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e2ab0557500c97f24298314247bc6953074e8282bf25aa844348e61994475bb", kill_on_drop: false }`
[INFO] [stdout] 3e2ab0557500c97f24298314247bc6953074e8282bf25aa844348e61994475bb