[INFO] fetching crate diffmatchpatch 0.0.4...
[INFO] checking diffmatchpatch-0.0.4 against 1.95.0 for pr-155915
[INFO] extracting crate diffmatchpatch 0.0.4 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate diffmatchpatch 0.0.4
[INFO] finished tweaking crates.io crate diffmatchpatch 0.0.4
[INFO] tweaked toml for crates.io crate diffmatchpatch 0.0.4 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate diffmatchpatch 0.0.4 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate diffmatchpatch 0.0.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ciborium-ll v0.2.0
[INFO] [stderr]   Downloaded ciborium-io v0.2.0
[INFO] [stderr]   Downloaded ciborium v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a1c6e245ab48caae8989c243912164dfc23ce00d824a72021df42b0197b3153b
[INFO] running `Command { std: "docker" "start" "-a" "a1c6e245ab48caae8989c243912164dfc23ce00d824a72021df42b0197b3153b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1c6e245ab48caae8989c243912164dfc23ce00d824a72021df42b0197b3153b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1c6e245ab48caae8989c243912164dfc23ce00d824a72021df42b0197b3153b", kill_on_drop: false }`
[INFO] [stdout] a1c6e245ab48caae8989c243912164dfc23ce00d824a72021df42b0197b3153b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0e012a26fb3f1b1d4e3aaec74cb9857c4d75f76b9cc11be2a392a7eaae1479b
[INFO] running `Command { std: "docker" "start" "-a" "c0e012a26fb3f1b1d4e3aaec74cb9857c4d75f76b9cc11be2a392a7eaae1479b", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.13
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling rayon-core v1.10.2
[INFO] [stderr]    Compiling serde_json v1.0.93
[INFO] [stderr]     Checking ciborium-io v0.2.0
[INFO] [stderr]     Checking ryu v1.0.12
[INFO] [stderr]     Checking os_str_bytes v6.4.1
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking textwrap v0.16.0
[INFO] [stderr]     Checking ciborium-ll v0.2.0
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking diffmatchpatch v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stdout] warning: unused variable: `diffs`
[INFO] [stdout]     --> src/lib.rs:1962:35
[INFO] [stdout]      |
[INFO] [stdout] 1962 |     pub fn patch_make2(&mut self, diffs: &mut Vec<Diff>) -> Vec<Patch> {
[INFO] [stdout]      |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_diffs`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking clap v3.2.23
[INFO] [stderr]     Checking crossbeam-deque v0.8.2
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking plotters v0.3.4
[INFO] [stderr]     Checking rayon v1.6.1
[INFO] [stderr]     Checking regex v1.7.1
[INFO] [stderr]     Checking ciborium v0.2.0
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.4.0
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> examples/block_diff.rs:169:5
[INFO] [stdout]     |
[INFO] [stdout] 166 |     todo!();
[INFO] [stdout]     |     ------- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 169 |     let mut diffs = dmp.diff_main(&ac, &bc, false);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> examples/block_diff.rs:112:9
[INFO] [stdout]     |
[INFO] [stdout] 112 |     let mut diffs = dmp.diff_main(&ac, &bc, false);
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `branch_b`
[INFO] [stdout]    --> examples/block_diff.rs:119:74
[INFO] [stdout]     |
[INFO] [stdout] 119 | fn merge_blocks<'a>(base_blocks: &'a [&'a str], branch_a: &'a [&'a str], branch_b: &'a [&'a str]) {
[INFO] [stdout]     |                                                                          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_branch_b`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> examples/block_diff.rs:122:10
[INFO] [stdout]     |
[INFO] [stdout] 122 |     for (i, diff) in diff_blocks(base_blocks, branch_a).into_iter().enumerate() {
[INFO] [stdout]     |          ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `diff`
[INFO] [stdout]    --> examples/block_diff.rs:122:13
[INFO] [stdout]     |
[INFO] [stdout] 122 |     for (i, diff) in diff_blocks(base_blocks, branch_a).into_iter().enumerate() {
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_diff`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> examples/block_diff.rs:128:9
[INFO] [stdout]     |
[INFO] [stdout] 128 |     let a = r"- Block 1
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> examples/block_diff.rs:134:9
[INFO] [stdout]     |
[INFO] [stdout] 134 |     let b = r"- Block 1
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> examples/block_diff.rs:143:9
[INFO] [stdout]     |
[INFO] [stdout] 143 |     let b = include_str!("b.md");
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `diff_blocks` is never used
[INFO] [stdout]    --> examples/block_diff.rs:104:4
[INFO] [stdout]     |
[INFO] [stdout] 104 | fn diff_blocks<'a>(
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `merge_blocks` is never used
[INFO] [stdout]    --> examples/block_diff.rs:119:4
[INFO] [stdout]     |
[INFO] [stdout] 119 | fn merge_blocks<'a>(base_blocks: &'a [&'a str], branch_a: &'a [&'a str], branch_b: &'a [&'a str]) {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `diffs`
[INFO] [stdout]     --> src/lib.rs:1962:35
[INFO] [stdout]      |
[INFO] [stdout] 1962 |     pub fn patch_make2(&mut self, diffs: &mut Vec<Diff>) -> Vec<Patch> {
[INFO] [stdout]      |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_diffs`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.19s
[INFO] running `Command { std: "docker" "inspect" "c0e012a26fb3f1b1d4e3aaec74cb9857c4d75f76b9cc11be2a392a7eaae1479b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0e012a26fb3f1b1d4e3aaec74cb9857c4d75f76b9cc11be2a392a7eaae1479b", kill_on_drop: false }`
[INFO] [stdout] c0e012a26fb3f1b1d4e3aaec74cb9857c4d75f76b9cc11be2a392a7eaae1479b
