[INFO] fetching crate chainsaw 1.11.4...
[INFO] checking chainsaw-1.11.4 against master#9610dfe5a9a731ced1ea4923ecbd0c57fe367898 for beta-170-4
[INFO] extracting crate chainsaw 1.11.4 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate chainsaw 1.11.4 on toolchain 9610dfe5a9a731ced1ea4923ecbd0c57fe367898
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chainsaw 1.11.4
[INFO] finished tweaking crates.io crate chainsaw 1.11.4
[INFO] tweaked toml for crates.io crate chainsaw 1.11.4 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate chainsaw 1.11.4 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" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded identity-hash v0.1.0
[INFO] [stderr]   Downloaded newick v0.7.2
[INFO] [stderr]   Downloaded petname v1.1.3
[INFO] [stderr]   Downloaded sorbus v0.8.1
[INFO] [stderr]   Downloaded syntesuite v0.2.2
[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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2dd79a66ead99c1c3bf7f86f1bcb8d2984d8568a2d3ad3568e30686d303f0622
[INFO] running `Command { std: "docker" "start" "-a" "2dd79a66ead99c1c3bf7f86f1bcb8d2984d8568a2d3ad3568e30686d303f0622", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2dd79a66ead99c1c3bf7f86f1bcb8d2984d8568a2d3ad3568e30686d303f0622", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dd79a66ead99c1c3bf7f86f1bcb8d2984d8568a2d3ad3568e30686d303f0622", kill_on_drop: false }`
[INFO] [stdout] 2dd79a66ead99c1c3bf7f86f1bcb8d2984d8568a2d3ad3568e30686d303f0622
[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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] edc6930de92f45a22566bf272611dd22a1371aed0c88ea02e90b74c124c190f0
[INFO] running `Command { std: "docker" "start" "-a" "edc6930de92f45a22566bf272611dd22a1371aed0c88ea02e90b74c124c190f0", kill_on_drop: false }`
[INFO] [stderr]     Checking getrandom v0.2.9
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling ucd-trie v0.1.5
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling pest v2.6.0
[INFO] [stderr]    Compiling once_cell v1.17.2
[INFO] [stderr]     Checking os_str_bytes v6.5.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling anyhow v1.0.71
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]    Compiling petname v1.1.3
[INFO] [stderr]     Checking textwrap v0.16.0
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking aho-corasick v1.0.1
[INFO] [stderr]     Checking hashlink v0.7.0
[INFO] [stderr]    Compiling clap_derive v3.2.25
[INFO] [stderr]    Compiling libsqlite3-sys v0.23.2
[INFO] [stderr]     Checking regex-syntax v0.7.2
[INFO] [stderr]     Checking fallible-streaming-iterator v0.1.9
[INFO] [stderr]     Checking identity-hash v0.1.0
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]    Compiling pest_meta v2.6.0
[INFO] [stderr]     Checking sorbus v0.8.1
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking rusqlite v0.26.3
[INFO] [stderr]     Checking flate2 v1.0.26
[INFO] [stderr]    Compiling pest_generator v2.6.0
[INFO] [stderr]     Checking regex v1.8.3
[INFO] [stderr]    Compiling pest_derive v2.6.0
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking newick v0.7.2
[INFO] [stderr]     Checking syntesuite v0.2.2
[INFO] [stderr]     Checking chainsaw v1.11.4 (/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: 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: 8 warnings emitted
[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: 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: unused variable: `reference`
[INFO] [stdout]    --> src/main.rs:333:17
[INFO] [stdout]     |
[INFO] [stdout] 333 |             let reference = &reference[0];
[INFO] [stdout]     |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_reference`
[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: unused variable: `reference`
[INFO] [stdout]    --> src/main.rs:333:17
[INFO] [stdout]     |
[INFO] [stdout] 333 |             let reference = &reference[0];
[INFO] [stdout]     |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_reference`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[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 7.21s
[INFO] running `Command { std: "docker" "inspect" "edc6930de92f45a22566bf272611dd22a1371aed0c88ea02e90b74c124c190f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edc6930de92f45a22566bf272611dd22a1371aed0c88ea02e90b74c124c190f0", kill_on_drop: false }`
[INFO] [stdout] edc6930de92f45a22566bf272611dd22a1371aed0c88ea02e90b74c124c190f0
