[INFO] fetching crate chainsaw 1.11.3...
[INFO] testing chainsaw-1.11.3 against beta-2023-04-20 for beta-1.70-1
[INFO] extracting crate chainsaw 1.11.3 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate chainsaw 1.11.3 on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chainsaw 1.11.3
[INFO] finished tweaking crates.io crate chainsaw 1.11.3
[INFO] tweaked toml for crates.io crate chainsaw 1.11.3 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate chainsaw 1.11.3 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" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v2.0.2
[INFO] [stderr]   Downloaded pest_generator v2.5.6
[INFO] [stderr]   Downloaded pest v2.5.6
[INFO] [stderr]   Downloaded sorbus v0.8.1
[INFO] [stderr]   Downloaded identity-hash v0.1.0
[INFO] [stderr]   Downloaded syntesuite v0.2.1
[INFO] [stderr]   Downloaded fallible-streaming-iterator v0.1.9
[INFO] [stderr]   Downloaded newick v0.7.2
[INFO] [stderr]   Downloaded petname v1.1.3
[INFO] [stderr]   Downloaded rusqlite v0.26.3
[INFO] [stderr]   Downloaded pest_meta v2.5.6
[INFO] [stderr]   Downloaded libsqlite3-sys v0.23.2
[INFO] [stderr]   Downloaded pest_derive v2.5.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e5c49c4f8acde0ef3326c407e30f59f048e4f9e550c5df47cc324b28ce790ba
[INFO] running `Command { std: "docker" "start" "-a" "4e5c49c4f8acde0ef3326c407e30f59f048e4f9e550c5df47cc324b28ce790ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e5c49c4f8acde0ef3326c407e30f59f048e4f9e550c5df47cc324b28ce790ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e5c49c4f8acde0ef3326c407e30f59f048e4f9e550c5df47cc324b28ce790ba", kill_on_drop: false }`
[INFO] [stdout] 4e5c49c4f8acde0ef3326c407e30f59f048e4f9e550c5df47cc324b28ce790ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6c3ee07409b51e15124ef3d18f9853c8d7db7a776567ba2e34824e6ecb93f84
[INFO] running `Command { std: "docker" "start" "-a" "a6c3ee07409b51e15124ef3d18f9853c8d7db7a776567ba2e34824e6ecb93f84", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.52
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling anyhow v1.0.70
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling petname v1.1.3
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling syn v2.0.2
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling miniz_oxide v0.6.2
[INFO] [stderr]    Compiling libsqlite3-sys v0.23.2
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling hashlink v0.7.0
[INFO] [stderr]    Compiling identity-hash v0.1.0
[INFO] [stderr]    Compiling fallible-streaming-iterator v0.1.9
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling sorbus v0.8.1
[INFO] [stderr]    Compiling rusqlite v0.26.3
[INFO] [stderr]    Compiling flate2 v1.0.25
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling clap_derive v3.2.18
[INFO] [stderr]    Compiling pest v2.5.6
[INFO] [stderr]    Compiling pest_meta v2.5.6
[INFO] [stderr]    Compiling clap v3.2.23
[INFO] [stderr]    Compiling pest_generator v2.5.6
[INFO] [stderr]    Compiling pest_derive v2.5.6
[INFO] [stderr]    Compiling newick v0.7.2
[INFO] [stderr]    Compiling syntesuite v0.2.1
[INFO] [stderr]    Compiling chainsaw v1.11.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/actions.rs:284:13
[INFO] [stdout]     |
[INFO] [stdout] 284 | pub fn tune(t: &mut NewickTree, r: &NewickTree) {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]    --> src/actions.rs:284:33
[INFO] [stdout]     |
[INFO] [stdout] 284 | pub fn tune(t: &mut NewickTree, r: &NewickTree) {
[INFO] [stdout]     |                                 ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mines`
[INFO] [stdout]    --> src/actions.rs:286:13
[INFO] [stdout]     |
[INFO] [stdout] 286 |         let mines = t.children(n);
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_mines`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `others`
[INFO] [stdout]    --> src/actions.rs:287:13
[INFO] [stdout]     |
[INFO] [stdout] 287 |         let others = r.children(o);
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_others`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t_children`
[INFO] [stdout]    --> src/actions.rs:289:17
[INFO] [stdout]     |
[INFO] [stdout] 289 |         let mut t_children = t.children(o).to_vec();
[INFO] [stdout]     |                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_t_children`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `permutation`
[INFO] [stdout]    --> src/actions.rs:292:13
[INFO] [stdout]     |
[INFO] [stdout] 292 |         let permutation = (0..t.children(n).len()).map(|i| {
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_permutation`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/actions.rs:289:13
[INFO] [stdout]     |
[INFO] [stdout] 289 |         let mut t_children = t.children(o).to_vec();
[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: function `strip` is never used
[INFO] [stdout]    --> src/actions.rs:262:15
[INFO] [stdout]     |
[INFO] [stdout] 262 | pub(crate) fn strip(t: &mut NewickTree, to_strip: &[Strippable]) {
[INFO] [stdout]     |               ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/actions.rs:284:13
[INFO] [stdout]     |
[INFO] [stdout] 284 | pub fn tune(t: &mut NewickTree, r: &NewickTree) {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]    --> src/actions.rs:284:33
[INFO] [stdout]     |
[INFO] [stdout] 284 | pub fn tune(t: &mut NewickTree, r: &NewickTree) {
[INFO] [stdout]     |                                 ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mines`
[INFO] [stdout]    --> src/actions.rs:286:13
[INFO] [stdout]     |
[INFO] [stdout] 286 |         let mines = t.children(n);
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_mines`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `others`
[INFO] [stdout]    --> src/actions.rs:287:13
[INFO] [stdout]     |
[INFO] [stdout] 287 |         let others = r.children(o);
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_others`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t_children`
[INFO] [stdout]    --> src/actions.rs:289:17
[INFO] [stdout]     |
[INFO] [stdout] 289 |         let mut t_children = t.children(o).to_vec();
[INFO] [stdout]     |                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_t_children`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `permutation`
[INFO] [stdout]    --> src/actions.rs:292:13
[INFO] [stdout]     |
[INFO] [stdout] 292 |         let permutation = (0..t.children(n).len()).map(|i| {
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_permutation`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reference`
[INFO] [stdout]    --> src/main.rs:335:17
[INFO] [stdout]     |
[INFO] [stdout] 335 |             let reference = &reference[0];
[INFO] [stdout]     |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_reference`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/actions.rs:289:13
[INFO] [stdout]     |
[INFO] [stdout] 289 |         let mut t_children = t.children(o).to_vec();
[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: function `tune` is never used
[INFO] [stdout]    --> src/actions.rs:284:8
[INFO] [stdout]     |
[INFO] [stdout] 284 | pub fn tune(t: &mut NewickTree, r: &NewickTree) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.42s
[INFO] running `Command { std: "docker" "inspect" "a6c3ee07409b51e15124ef3d18f9853c8d7db7a776567ba2e34824e6ecb93f84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6c3ee07409b51e15124ef3d18f9853c8d7db7a776567ba2e34824e6ecb93f84", kill_on_drop: false }`
[INFO] [stdout] a6c3ee07409b51e15124ef3d18f9853c8d7db7a776567ba2e34824e6ecb93f84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a446dc887b468d1a568994c7d42d7ffe000b7d4fd80dbfbda424dc98fb0a392e
[INFO] running `Command { std: "docker" "start" "-a" "a446dc887b468d1a568994c7d42d7ffe000b7d4fd80dbfbda424dc98fb0a392e", kill_on_drop: false }`
[INFO] [stderr]    Compiling chainsaw v1.11.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/actions.rs:284:13
[INFO] [stdout]     |
[INFO] [stdout] 284 | pub fn tune(t: &mut NewickTree, r: &NewickTree) {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]    --> src/actions.rs:284:33
[INFO] [stdout]     |
[INFO] [stdout] 284 | pub fn tune(t: &mut NewickTree, r: &NewickTree) {
[INFO] [stdout]     |                                 ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mines`
[INFO] [stdout]    --> src/actions.rs:286:13
[INFO] [stdout]     |
[INFO] [stdout] 286 |         let mines = t.children(n);
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_mines`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `others`
[INFO] [stdout]    --> src/actions.rs:287:13
[INFO] [stdout]     |
[INFO] [stdout] 287 |         let others = r.children(o);
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_others`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t_children`
[INFO] [stdout]    --> src/actions.rs:289:17
[INFO] [stdout]     |
[INFO] [stdout] 289 |         let mut t_children = t.children(o).to_vec();
[INFO] [stdout]     |                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_t_children`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `permutation`
[INFO] [stdout]    --> src/actions.rs:292:13
[INFO] [stdout]     |
[INFO] [stdout] 292 |         let permutation = (0..t.children(n).len()).map(|i| {
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_permutation`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/actions.rs:289:13
[INFO] [stdout]     |
[INFO] [stdout] 289 |         let mut t_children = t.children(o).to_vec();
[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: function `strip` is never used
[INFO] [stdout]    --> src/actions.rs:262:15
[INFO] [stdout]     |
[INFO] [stdout] 262 | pub(crate) fn strip(t: &mut NewickTree, to_strip: &[Strippable]) {
[INFO] [stdout]     |               ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/actions.rs:284:13
[INFO] [stdout]     |
[INFO] [stdout] 284 | pub fn tune(t: &mut NewickTree, r: &NewickTree) {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]    --> src/actions.rs:284:33
[INFO] [stdout]     |
[INFO] [stdout] 284 | pub fn tune(t: &mut NewickTree, r: &NewickTree) {
[INFO] [stdout]     |                                 ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mines`
[INFO] [stdout]    --> src/actions.rs:286:13
[INFO] [stdout]     |
[INFO] [stdout] 286 |         let mines = t.children(n);
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_mines`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `others`
[INFO] [stdout]    --> src/actions.rs:287:13
[INFO] [stdout]     |
[INFO] [stdout] 287 |         let others = r.children(o);
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_others`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t_children`
[INFO] [stdout]    --> src/actions.rs:289:17
[INFO] [stdout]     |
[INFO] [stdout] 289 |         let mut t_children = t.children(o).to_vec();
[INFO] [stdout]     |                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_t_children`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `permutation`
[INFO] [stdout]    --> src/actions.rs:292:13
[INFO] [stdout]     |
[INFO] [stdout] 292 |         let permutation = (0..t.children(n).len()).map(|i| {
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_permutation`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/actions.rs:289:13
[INFO] [stdout]     |
[INFO] [stdout] 289 |         let mut t_children = t.children(o).to_vec();
[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: function `strip` is never used
[INFO] [stdout]    --> src/actions.rs:262:15
[INFO] [stdout]     |
[INFO] [stdout] 262 | pub(crate) fn strip(t: &mut NewickTree, to_strip: &[Strippable]) {
[INFO] [stdout]     |               ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/actions.rs:284:13
[INFO] [stdout]     |
[INFO] [stdout] 284 | pub fn tune(t: &mut NewickTree, r: &NewickTree) {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]    --> src/actions.rs:284:33
[INFO] [stdout]     |
[INFO] [stdout] 284 | pub fn tune(t: &mut NewickTree, r: &NewickTree) {
[INFO] [stdout]     |                                 ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mines`
[INFO] [stdout]    --> src/actions.rs:286:13
[INFO] [stdout]     |
[INFO] [stdout] 286 |         let mines = t.children(n);
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_mines`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `others`
[INFO] [stdout]    --> src/actions.rs:287:13
[INFO] [stdout]     |
[INFO] [stdout] 287 |         let others = r.children(o);
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_others`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t_children`
[INFO] [stdout]    --> src/actions.rs:289:17
[INFO] [stdout]     |
[INFO] [stdout] 289 |         let mut t_children = t.children(o).to_vec();
[INFO] [stdout]     |                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_t_children`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `permutation`
[INFO] [stdout]    --> src/actions.rs:292:13
[INFO] [stdout]     |
[INFO] [stdout] 292 |         let permutation = (0..t.children(n).len()).map(|i| {
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_permutation`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reference`
[INFO] [stdout]    --> src/main.rs:335:17
[INFO] [stdout]     |
[INFO] [stdout] 335 |             let reference = &reference[0];
[INFO] [stdout]     |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_reference`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/actions.rs:289:13
[INFO] [stdout]     |
[INFO] [stdout] 289 |         let mut t_children = t.children(o).to_vec();
[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: function `tune` is never used
[INFO] [stdout]    --> src/actions.rs:284:8
[INFO] [stdout]     |
[INFO] [stdout] 284 | pub fn tune(t: &mut NewickTree, r: &NewickTree) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.50s
[INFO] running `Command { std: "docker" "inspect" "a446dc887b468d1a568994c7d42d7ffe000b7d4fd80dbfbda424dc98fb0a392e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a446dc887b468d1a568994c7d42d7ffe000b7d4fd80dbfbda424dc98fb0a392e", kill_on_drop: false }`
[INFO] [stdout] a446dc887b468d1a568994c7d42d7ffe000b7d4fd80dbfbda424dc98fb0a392e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8979f24a8c263912d860a71f71ff7e663eeabdcb11c20408a1ec3fb5bc2deb3b
[INFO] running `Command { std: "docker" "start" "-a" "8979f24a8c263912d860a71f71ff7e663eeabdcb11c20408a1ec3fb5bc2deb3b", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `t`
[INFO] [stderr]    --> src/actions.rs:284:13
[INFO] [stderr]     |
[INFO] [stderr] 284 | pub fn tune(t: &mut NewickTree, r: &NewickTree) {
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r`
[INFO] [stderr]    --> src/actions.rs:284:33
[INFO] [stderr]     |
[INFO] [stderr] 284 | pub fn tune(t: &mut NewickTree, r: &NewickTree) {
[INFO] [stderr]     |                                 ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mines`
[INFO] [stderr]    --> src/actions.rs:286:13
[INFO] [stderr]     |
[INFO] [stderr] 286 |         let mines = t.children(n);
[INFO] [stderr]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_mines`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `others`
[INFO] [stderr]    --> src/actions.rs:287:13
[INFO] [stderr]     |
[INFO] [stderr] 287 |         let others = r.children(o);
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_others`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t_children`
[INFO] [stderr]    --> src/actions.rs:289:17
[INFO] [stderr]     |
[INFO] [stderr] 289 |         let mut t_children = t.children(o).to_vec();
[INFO] [stderr]     |                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_t_children`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `permutation`
[INFO] [stderr]    --> src/actions.rs:292:13
[INFO] [stderr]     |
[INFO] [stderr] 292 |         let permutation = (0..t.children(n).len()).map(|i| {
[INFO] [stderr]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_permutation`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/actions.rs:289:13
[INFO] [stderr]     |
[INFO] [stderr] 289 |         let mut t_children = t.children(o).to_vec();
[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: function `strip` is never used
[INFO] [stderr]    --> src/actions.rs:262:15
[INFO] [stderr]     |
[INFO] [stderr] 262 | pub(crate) fn strip(t: &mut NewickTree, to_strip: &[Strippable]) {
[INFO] [stderr]     |               ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `chainsaw` (lib) generated 8 warnings (run `cargo fix --lib -p chainsaw` to apply 7 suggestions)
[INFO] [stderr] warning: unused variable: `reference`
[INFO] [stderr]    --> src/main.rs:335:17
[INFO] [stderr]     |
[INFO] [stderr] 335 |             let reference = &reference[0];
[INFO] [stderr]     |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_reference`
[INFO] [stderr] 
[INFO] [stderr] warning: function `tune` is never used
[INFO] [stderr]    --> src/actions.rs:284:8
[INFO] [stderr]     |
[INFO] [stderr] 284 | pub fn tune(t: &mut NewickTree, r: &NewickTree) {
[INFO] [stderr]     |        ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `chainsaw` (bin "chainsaw" test) generated 9 warnings (7 duplicates) (run `cargo fix --bin "chainsaw" --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `chainsaw` (lib test) generated 8 warnings (8 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/chainsaw-a3daa05275d83904)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/chainsaw-f91b382d59366033)
[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] [stderr]    Doc-tests chainsaw
[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" "8979f24a8c263912d860a71f71ff7e663eeabdcb11c20408a1ec3fb5bc2deb3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8979f24a8c263912d860a71f71ff7e663eeabdcb11c20408a1ec3fb5bc2deb3b", kill_on_drop: false }`
[INFO] [stdout] 8979f24a8c263912d860a71f71ff7e663eeabdcb11c20408a1ec3fb5bc2deb3b
