[INFO] fetching crate difflib 0.4.0... [INFO] testing difflib-0.4.0 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479 [INFO] extracting crate difflib 0.4.0 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate difflib 0.4.0 on toolchain b70888601af92f6cdc0364abab3446e418b91d36 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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-8/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fff0de1e731ef41c937146a3cf413fdc79980cee159e85f4def49d33870064dc [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "fff0de1e731ef41c937146a3cf413fdc79980cee159e85f4def49d33870064dc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fff0de1e731ef41c937146a3cf413fdc79980cee159e85f4def49d33870064dc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fff0de1e731ef41c937146a3cf413fdc79980cee159e85f4def49d33870064dc", kill_on_drop: false }` [INFO] [stdout] fff0de1e731ef41c937146a3cf413fdc79980cee159e85f4def49d33870064dc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] abc2358d06fc5e6d5a85372bdaea4e27e6d1b6ee8f088d9797177ebd67d62b58 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "abc2358d06fc5e6d5a85372bdaea4e27e6d1b6ee8f088d9797177ebd67d62b58", kill_on_drop: false }` [INFO] [stderr] Compiling difflib v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated associated function `core::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::::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] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.32s [INFO] running `Command { std: "docker" "inspect" "abc2358d06fc5e6d5a85372bdaea4e27e6d1b6ee8f088d9797177ebd67d62b58", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "abc2358d06fc5e6d5a85372bdaea4e27e6d1b6ee8f088d9797177ebd67d62b58", kill_on_drop: false }` [INFO] [stdout] abc2358d06fc5e6d5a85372bdaea4e27e6d1b6ee8f088d9797177ebd67d62b58 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 0cca18874ebabd63c6d183a34331599c7bfcfa32dd7732722dea3fc3894ca516 [INFO] running `Command { std: "docker" "start" "-a" "0cca18874ebabd63c6d183a34331599c7bfcfa32dd7732722dea3fc3894ca516", kill_on_drop: false }` [INFO] [stderr] Compiling difflib v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated associated function `core::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::::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] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `core::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::::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] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 3.83s [INFO] running `Command { std: "docker" "inspect" "0cca18874ebabd63c6d183a34331599c7bfcfa32dd7732722dea3fc3894ca516", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0cca18874ebabd63c6d183a34331599c7bfcfa32dd7732722dea3fc3894ca516", kill_on_drop: false }` [INFO] [stdout] 0cca18874ebabd63c6d183a34331599c7bfcfa32dd7732722dea3fc3894ca516 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 551fbdb2fae2761c6d75ff8dbd4a36f832a1643649bdd391a8c014336e4ad74f [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "551fbdb2fae2761c6d75ff8dbd4a36f832a1643649bdd391a8c014336e4ad74f", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: use of deprecated associated function `core::str::::trim_right`: superseded by `trim_end` [INFO] [stdout] running 2 tests [INFO] [stderr] --> src/differ.rs:271:52 [INFO] [stdout] test differ::test_qformat ... ok [INFO] [stderr] | [INFO] [stdout] test differ::test_fancy_replace ... ok [INFO] [stderr] 271 | first_tags = first_tags.split_at(common).1.trim_right(); [INFO] [stdout] [INFO] [stderr] | ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end` [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] | [INFO] [stdout] [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stderr] [INFO] [stdout] running 11 tests [INFO] [stderr] warning: use of deprecated associated function `core::str::::trim_right`: superseded by `trim_end` [INFO] [stdout] test test_all_matches ... ok [INFO] [stderr] --> src/differ.rs:272:54 [INFO] [stdout] test test_context_diff ... ok [INFO] [stderr] | [INFO] [stdout] test test_longest_match ... ok [INFO] [stderr] 272 | second_tags = second_tags.split_at(common).1.trim_right(); [INFO] [stdout] test test_unified_diff ... ok [INFO] [stderr] | ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end` [INFO] [stdout] test test_get_opcodes ... ok [INFO] [stderr] [INFO] [stdout] test test_get_close_matches ... ok [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stdout] test test_ratio ... ok [INFO] [stderr] --> src/sequencematcher.rs:117:17 [INFO] [stdout] test test_differ_compare ... ok [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: `difflib` (lib) generated 3 warnings [INFO] [stderr] warning: `difflib` (lib test) generated 3 warnings (3 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/difflib-57137ac36559cca8) [INFO] [stderr] Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-7ccd03ba4ba6c81c) [INFO] [stdout] test test_integer_slice ... ok [INFO] [stderr] Doc-tests difflib [INFO] [stdout] test test_differ_restore ... ok [INFO] [stdout] test test_differ_compare_with_func ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [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; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "551fbdb2fae2761c6d75ff8dbd4a36f832a1643649bdd391a8c014336e4ad74f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "551fbdb2fae2761c6d75ff8dbd4a36f832a1643649bdd391a8c014336e4ad74f", kill_on_drop: false }` [INFO] [stdout] 551fbdb2fae2761c6d75ff8dbd4a36f832a1643649bdd391a8c014336e4ad74f