[INFO] fetching crate diff_match_patch 0.1.1... [INFO] checking diff_match_patch-0.1.1 against master#f5f33ec0e0455eefa72fc5567eb1280a4d5ee206 for pr-83312 [INFO] extracting crate diff_match_patch 0.1.1 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate diff_match_patch 0.1.1 on toolchain f5f33ec0e0455eefa72fc5567eb1280a4d5ee206 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate diff_match_patch 0.1.1 [INFO] finished tweaking crates.io crate diff_match_patch 0.1.1 [INFO] tweaked toml for crates.io crate diff_match_patch 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate crates.io crate diff_match_patch 0.1.1 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5bae7d67d5ed901aec0807fb98572eacfe2a5476407bc72e16ab3920712de590 [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" "5bae7d67d5ed901aec0807fb98572eacfe2a5476407bc72e16ab3920712de590", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5bae7d67d5ed901aec0807fb98572eacfe2a5476407bc72e16ab3920712de590", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5bae7d67d5ed901aec0807fb98572eacfe2a5476407bc72e16ab3920712de590", kill_on_drop: false }` [INFO] [stdout] 5bae7d67d5ed901aec0807fb98572eacfe2a5476407bc72e16ab3920712de590 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "check" "--frozen" "--all" "--all-targets" "--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] 7499a238e1277547726b17c1870f8c24381ce54a5ec7551daee0c37e0e1182f5 [INFO] running `Command { std: "docker" "start" "-a" "7499a238e1277547726b17c1870f8c24381ce54a5ec7551daee0c37e0e1182f5", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking regex-syntax v0.6.17 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking aho-corasick v0.7.10 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking regex v1.3.7 [INFO] [stderr] Checking diff_match_patch v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/dmp.rs:932:13 [INFO] [stdout] | [INFO] [stdout] 932 | let mut text1_trunc; [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: variable does not need to be mutable [INFO] [stdout] --> src/dmp.rs:933:13 [INFO] [stdout] | [INFO] [stdout] 933 | let mut text2_trunc; [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/dmp.rs:932:13 [INFO] [stdout] | [INFO] [stdout] 932 | let mut text1_trunc; [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: variable does not need to be mutable [INFO] [stdout] --> src/dmp.rs:933:13 [INFO] [stdout] | [INFO] [stdout] 933 | let mut text2_trunc; [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/dmp.rs:932:13 [INFO] [stdout] | [INFO] [stdout] 932 | let mut text1_trunc; [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: variable does not need to be mutable [INFO] [stdout] --> src/dmp.rs:933:13 [INFO] [stdout] | [INFO] [stdout] 933 | let mut text2_trunc; [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `diff_words_tochars` [INFO] [stdout] --> src/dmp.rs:702:12 [INFO] [stdout] | [INFO] [stdout] 702 | pub fn diff_words_tochars(&mut self, text1: &String, text2: &String) -> (String, String, Vec) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `diff_words_tochars_munge` [INFO] [stdout] --> src/dmp.rs:725:12 [INFO] [stdout] | [INFO] [stdout] 725 | pub fn diff_words_tochars_munge(&mut self, text: &String, wordarray: &mut Vec, wordhash: &mut HashMap) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `make_token_dict` [INFO] [stdout] --> src/dmp.rs:757:8 [INFO] [stdout] | [INFO] [stdout] 757 | fn make_token_dict(&mut self, word: &str , wordarray: &mut Vec, wordhash: &mut HashMap) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/dmp.rs:932:13 [INFO] [stdout] | [INFO] [stdout] 932 | let mut text1_trunc; [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: variable does not need to be mutable [INFO] [stdout] --> src/dmp.rs:933:13 [INFO] [stdout] | [INFO] [stdout] 933 | let mut text2_trunc; [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `diff_words_tochars` [INFO] [stdout] --> src/dmp.rs:702:12 [INFO] [stdout] | [INFO] [stdout] 702 | pub fn diff_words_tochars(&mut self, text1: &String, text2: &String) -> (String, String, Vec) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `diff_words_tochars_munge` [INFO] [stdout] --> src/dmp.rs:725:12 [INFO] [stdout] | [INFO] [stdout] 725 | pub fn diff_words_tochars_munge(&mut self, text: &String, wordarray: &mut Vec, wordhash: &mut HashMap) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `make_token_dict` [INFO] [stdout] --> src/dmp.rs:757:8 [INFO] [stdout] | [INFO] [stdout] 757 | fn make_token_dict(&mut self, word: &str , wordarray: &mut Vec, wordhash: &mut HashMap) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 10.53s [INFO] running `Command { std: "docker" "inspect" "7499a238e1277547726b17c1870f8c24381ce54a5ec7551daee0c37e0e1182f5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7499a238e1277547726b17c1870f8c24381ce54a5ec7551daee0c37e0e1182f5", kill_on_drop: false }` [INFO] [stdout] 7499a238e1277547726b17c1870f8c24381ce54a5ec7551daee0c37e0e1182f5