[INFO] fetching crate textgrid 0.1.0...
[INFO] testing textgrid-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate textgrid 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate textgrid 0.1.0
[INFO] finished tweaking crates.io crate textgrid 0.1.0
[INFO] tweaked toml for crates.io crate textgrid 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate textgrid 0.1.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate textgrid 0.1.0 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e8e983f1a93494bc87f4408aeb0f0f64f46b64819ed20e6364fc67648e4dbfa4
[INFO] running `Command { std: "docker" "start" "-a" "e8e983f1a93494bc87f4408aeb0f0f64f46b64819ed20e6364fc67648e4dbfa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8e983f1a93494bc87f4408aeb0f0f64f46b64819ed20e6364fc67648e4dbfa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8e983f1a93494bc87f4408aeb0f0f64f46b64819ed20e6364fc67648e4dbfa4", kill_on_drop: false }`
[INFO] [stdout] e8e983f1a93494bc87f4408aeb0f0f64f46b64819ed20e6364fc67648e4dbfa4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5722d85985c7baa33aa3ab401ea32d598dced4d9d9466e82c6cbe63577fb28d3
[INFO] running `Command { std: "docker" "start" "-a" "5722d85985c7baa33aa3ab401ea32d598dced4d9d9466e82c6cbe63577fb28d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling textgrid v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `interval`
[INFO] [stdout]    --> src/types.rs:479:58
[INFO] [stdout]     |
[INFO] [stdout] 479 |                 Change::RemoveInterval(tier_name, index, interval) => {
[INFO] [stdout]     |                                                          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_interval`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `point`
[INFO] [stdout]    --> src/types.rs:485:55
[INFO] [stdout]     |
[INFO] [stdout] 485 |                 Change::RemovePoint(tier_name, index, point) => {
[INFO] [stdout]     |                                                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_point`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `orig`
[INFO] [stdout]    --> src/types.rs:488:57
[INFO] [stdout]     |
[INFO] [stdout] 488 |                 Change::SplitInterval(tier_name, index, orig, left) => {
[INFO] [stdout]     |                                                         ^^^^ help: if this is intentional, prefix it with an underscore: `_orig`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `before`
[INFO] [stdout]    --> src/types.rs:491:51
[INFO] [stdout]     |
[INFO] [stdout] 491 |                 Change::MergeIntervals(tier_name, before, after) => {
[INFO] [stdout]     |                                                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_before`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `after`
[INFO] [stdout]    --> src/types.rs:491:59
[INFO] [stdout]     |
[INFO] [stdout] 491 |                 Change::MergeIntervals(tier_name, before, after) => {
[INFO] [stdout]     |                                                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_after`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t1`
[INFO] [stdout]    --> src/types.rs:497:36
[INFO] [stdout]     |
[INFO] [stdout] 497 |                 Change::MergeTiers(t1, t2, new_name, tier) => {
[INFO] [stdout]     |                                    ^^ help: if this is intentional, prefix it with an underscore: `_t1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t2`
[INFO] [stdout]    --> src/types.rs:497:40
[INFO] [stdout]     |
[INFO] [stdout] 497 |                 Change::MergeTiers(t1, t2, new_name, tier) => {
[INFO] [stdout]     |                                        ^^ help: if this is intentional, prefix it with an underscore: `_t2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_name`
[INFO] [stdout]    --> src/types.rs:497:44
[INFO] [stdout]     |
[INFO] [stdout] 497 |                 Change::MergeTiers(t1, t2, new_name, tier) => {
[INFO] [stdout]     |                                            ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `right`
[INFO] [stdout]    --> src/types.rs:848:20
[INFO] [stdout]     |
[INFO] [stdout] 848 |         let (left, right) = tier.split_interval(index, time)?;
[INFO] [stdout]     |                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.30s
[INFO] running `Command { std: "docker" "inspect" "5722d85985c7baa33aa3ab401ea32d598dced4d9d9466e82c6cbe63577fb28d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5722d85985c7baa33aa3ab401ea32d598dced4d9d9466e82c6cbe63577fb28d3", kill_on_drop: false }`
[INFO] [stdout] 5722d85985c7baa33aa3ab401ea32d598dced4d9d9466e82c6cbe63577fb28d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1dc1f921db187d28af810afd46aae10cd56c5eee3cfebbdd6fecfd4ea830d7be
[INFO] running `Command { std: "docker" "start" "-a" "1dc1f921db187d28af810afd46aae10cd56c5eee3cfebbdd6fecfd4ea830d7be", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `interval`
[INFO] [stdout]    --> src/types.rs:479:58
[INFO] [stdout]     |
[INFO] [stdout] 479 |                 Change::RemoveInterval(tier_name, index, interval) => {
[INFO] [stdout]     |                                                          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_interval`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `point`
[INFO] [stdout]    --> src/types.rs:485:55
[INFO] [stdout]     |
[INFO] [stdout] 485 |                 Change::RemovePoint(tier_name, index, point) => {
[INFO] [stdout]     |                                                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_point`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `orig`
[INFO] [stdout]    --> src/types.rs:488:57
[INFO] [stdout]     |
[INFO] [stdout] 488 |                 Change::SplitInterval(tier_name, index, orig, left) => {
[INFO] [stdout]     |                                                         ^^^^ help: if this is intentional, prefix it with an underscore: `_orig`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `before`
[INFO] [stdout]    --> src/types.rs:491:51
[INFO] [stdout]     |
[INFO] [stdout] 491 |                 Change::MergeIntervals(tier_name, before, after) => {
[INFO] [stdout]     |                                                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_before`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `after`
[INFO] [stdout]    --> src/types.rs:491:59
[INFO] [stdout]     |
[INFO] [stdout] 491 |                 Change::MergeIntervals(tier_name, before, after) => {
[INFO] [stdout]     |                                                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_after`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t1`
[INFO] [stdout]    --> src/types.rs:497:36
[INFO] [stdout]     |
[INFO] [stdout] 497 |                 Change::MergeTiers(t1, t2, new_name, tier) => {
[INFO] [stdout]     |                                    ^^ help: if this is intentional, prefix it with an underscore: `_t1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t2`
[INFO] [stdout]    --> src/types.rs:497:40
[INFO] [stdout]     |
[INFO] [stdout] 497 |                 Change::MergeTiers(t1, t2, new_name, tier) => {
[INFO] [stdout]     |                                        ^^ help: if this is intentional, prefix it with an underscore: `_t2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_name`
[INFO] [stdout]    --> src/types.rs:497:44
[INFO] [stdout]     |
[INFO] [stdout] 497 |                 Change::MergeTiers(t1, t2, new_name, tier) => {
[INFO] [stdout]     |                                            ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `right`
[INFO] [stdout]    --> src/types.rs:848:20
[INFO] [stdout]     |
[INFO] [stdout] 848 |         let (left, right) = tier.split_interval(index, time)?;
[INFO] [stdout]     |                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling textgrid v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `interval`
[INFO] [stdout]    --> src/types.rs:479:58
[INFO] [stdout]     |
[INFO] [stdout] 479 |                 Change::RemoveInterval(tier_name, index, interval) => {
[INFO] [stdout]     |                                                          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_interval`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `point`
[INFO] [stdout]    --> src/types.rs:485:55
[INFO] [stdout]     |
[INFO] [stdout] 485 |                 Change::RemovePoint(tier_name, index, point) => {
[INFO] [stdout]     |                                                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_point`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `orig`
[INFO] [stdout]    --> src/types.rs:488:57
[INFO] [stdout]     |
[INFO] [stdout] 488 |                 Change::SplitInterval(tier_name, index, orig, left) => {
[INFO] [stdout]     |                                                         ^^^^ help: if this is intentional, prefix it with an underscore: `_orig`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `before`
[INFO] [stdout]    --> src/types.rs:491:51
[INFO] [stdout]     |
[INFO] [stdout] 491 |                 Change::MergeIntervals(tier_name, before, after) => {
[INFO] [stdout]     |                                                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_before`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `after`
[INFO] [stdout]    --> src/types.rs:491:59
[INFO] [stdout]     |
[INFO] [stdout] 491 |                 Change::MergeIntervals(tier_name, before, after) => {
[INFO] [stdout]     |                                                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_after`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t1`
[INFO] [stdout]    --> src/types.rs:497:36
[INFO] [stdout]     |
[INFO] [stdout] 497 |                 Change::MergeTiers(t1, t2, new_name, tier) => {
[INFO] [stdout]     |                                    ^^ help: if this is intentional, prefix it with an underscore: `_t1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t2`
[INFO] [stdout]    --> src/types.rs:497:40
[INFO] [stdout]     |
[INFO] [stdout] 497 |                 Change::MergeTiers(t1, t2, new_name, tier) => {
[INFO] [stdout]     |                                        ^^ help: if this is intentional, prefix it with an underscore: `_t2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_name`
[INFO] [stdout]    --> src/types.rs:497:44
[INFO] [stdout]     |
[INFO] [stdout] 497 |                 Change::MergeTiers(t1, t2, new_name, tier) => {
[INFO] [stdout]     |                                            ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `right`
[INFO] [stdout]    --> src/types.rs:848:20
[INFO] [stdout]     |
[INFO] [stdout] 848 |         let (left, right) = tier.split_interval(index, time)?;
[INFO] [stdout]     |                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "1dc1f921db187d28af810afd46aae10cd56c5eee3cfebbdd6fecfd4ea830d7be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dc1f921db187d28af810afd46aae10cd56c5eee3cfebbdd6fecfd4ea830d7be", kill_on_drop: false }`
[INFO] [stdout] 1dc1f921db187d28af810afd46aae10cd56c5eee3cfebbdd6fecfd4ea830d7be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c6c5e1474595790431f649f4188134c3c613c04d54274ea16c4d75e2b0a339a6
[INFO] running `Command { std: "docker" "start" "-a" "c6c5e1474595790431f649f4188134c3c613c04d54274ea16c4d75e2b0a339a6", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `interval`
[INFO] [stdout] 
[INFO] [stderr]    --> src/types.rs:479:58
[INFO] [stdout] running 4 tests
[INFO] [stderr]     |
[INFO] [stderr] 479 |                 Change::RemoveInterval(tier_name, index, interval) => {
[INFO] [stderr]     |                                                          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_interval`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `point`
[INFO] [stderr]    --> src/types.rs:485:55
[INFO] [stderr]     |
[INFO] [stderr] 485 |                 Change::RemovePoint(tier_name, index, point) => {
[INFO] [stderr]     |                                                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_point`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `orig`
[INFO] [stderr]    --> src/types.rs:488:57
[INFO] [stderr]     |
[INFO] [stderr] 488 |                 Change::SplitInterval(tier_name, index, orig, left) => {
[INFO] [stderr]     |                                                         ^^^^ help: if this is intentional, prefix it with an underscore: `_orig`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `before`
[INFO] [stderr]    --> src/types.rs:491:51
[INFO] [stderr]     |
[INFO] [stderr] 491 |                 Change::MergeIntervals(tier_name, before, after) => {
[INFO] [stderr]     |                                                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_before`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `after`
[INFO] [stderr]    --> src/types.rs:491:59
[INFO] [stderr]     |
[INFO] [stderr] 491 |                 Change::MergeIntervals(tier_name, before, after) => {
[INFO] [stderr]     |                                                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_after`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t1`
[INFO] [stderr]    --> src/types.rs:497:36
[INFO] [stderr]     |
[INFO] [stderr] 497 |                 Change::MergeTiers(t1, t2, new_name, tier) => {
[INFO] [stderr]     |                                    ^^ help: if this is intentional, prefix it with an underscore: `_t1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t2`
[INFO] [stderr]    --> src/types.rs:497:40
[INFO] [stderr]     |
[INFO] [stderr] 497 |                 Change::MergeTiers(t1, t2, new_name, tier) => {
[INFO] [stderr]     |                                        ^^ help: if this is intentional, prefix it with an underscore: `_t2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `new_name`
[INFO] [stderr]    --> src/types.rs:497:44
[INFO] [stderr]     |
[INFO] [stderr] 497 |                 Change::MergeTiers(t1, t2, new_name, tier) => {
[INFO] [stderr]     |                                            ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `right`
[INFO] [stderr]    --> src/types.rs:848:20
[INFO] [stderr]     |
[INFO] [stderr] 848 |         let (left, right) = tier.split_interval(index, time)?;
[INFO] [stderr]     |                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_right`
[INFO] [stderr] 
[INFO] [stderr] warning: `textgrid` (lib) generated 9 warnings
[INFO] [stderr] warning: `textgrid` (lib test) generated 9 warnings (9 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/textgrid-45871d40c36ea0bc)
[INFO] [stdout] test tests::test_advanced_merge ... ok
[INFO] [stdout] test tests::test_query ... ok
[INFO] [stdout] test tests::test_undo_redo ... ok
[INFO] [stdout] test tests::test_binary ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::test_binary stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::test_binary' (26) panicked at src/lib.rs:223:53:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: IO(Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" })
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5b16983bed82 - std::backtrace_rs::backtrace::libunwind::trace::hcab59e1e990fdc24
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5b16983bed82 - std::backtrace_rs::backtrace::trace_unsynchronized::he24cc57f3d2f47b7
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5b16983bed82 - std::sys::backtrace::_print_fmt::hf8d65ede198eeb54
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5b16983bed82 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h67edf0e4d33c343c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5b16983cfe4f - core::fmt::rt::Argument::fmt::hef94184842aeafdd
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5b16983cfe4f - core::fmt::write::hcf0c66b48a8fa606
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x5b169838c061 - std::io::default_write_fmt::h69967ac0ba93195f
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5b169838c061 - std::io::Write::write_fmt::h8db9396209deaa1c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5b1698398262 - std::sys::backtrace::BacktraceLock::print::h07e5435aa717b414
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5b169839ce6f - std::panicking::default_hook::{{closure}}::h91001850288db5f7
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x5b169839cd01 - std::panicking::default_hook::h2346dbb704ef5512
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x5b169835d60e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h18383b2e29377420
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1999:9
[INFO] [stdout]   12:     0x5b169835d60e - test::test_main_with_exit_callback::{{closure}}::h272d7ef99aef06dc
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5b169839d52f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h6dba6e441651a0d1
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1999:9
[INFO] [stdout]   14:     0x5b169839d52f - std::panicking::panic_with_hook::hd2b063a6090d23a4
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x5b169839d38a - std::panicking::panic_handler::{{closure}}::he666d95f139a333e
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x5b1698398399 - std::sys::backtrace::__rust_end_short_backtrace::h631ad224854ebee5
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x5b16983804dd - __rustc[1d67440d6e82e4f]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x5b16983d9110 - core::panicking::panic_fmt::h420ddb7fd73daf53
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x5b16983d8486 - core::result::unwrap_failed::hdde076be853d034f
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/result.rs:1855:5
[INFO] [stdout]   20:     0x5b169831ce34 - core::result::Result<T,E>::unwrap::h02571cd41a0620fa
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/result.rs:1226:23
[INFO] [stdout]   21:     0x5b169831ce34 - textgrid::tests::test_binary::h7a78892f5f540661
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:223:53
[INFO] [stdout]   22:     0x5b169831d187 - textgrid::tests::test_binary::{{closure}}::h954f59ff69f5398b
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:213:21
[INFO] [stdout]   23:     0x5b16982ff986 - core::ops::function::FnOnce::call_once::h0485fc7c4d05eabd
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5b169835d3cb - core::ops::function::FnOnce::call_once::h70887edf07a630ba
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5b169835d3cb - test::__rust_begin_short_backtrace::h27763c4cbbdb8601
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x5b1698373035 - test::run_test_in_process::{{closure}}::h4dc8bc6d5e3924d3
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x5b1698373035 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h75905e8ffe81974f
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x5b1698373035 - std::panicking::catch_unwind::do_call::h0bc60366ba66eba5
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40
[INFO] [stdout]   29:     0x5b1698373035 - std::panicking::catch_unwind::hae1ec7bf94407afa
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19
[INFO] [stdout]   30:     0x5b1698373035 - std::panic::catch_unwind::h0f4ff4773d84d3cd
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5b1698373035 - test::run_test_in_process::h03fbc77ae48b3f10
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x5b1698373035 - test::run_test::{{closure}}::h83476a9c453dc4d3
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x5b1698349824 - test::run_test::{{closure}}::h515482ad1e7fe7de
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x5b1698349824 - std::sys::backtrace::__rust_begin_short_backtrace::hed09f6ac5fe9d647
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   35:     0x5b169834d0ea - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h988e2cd969319888
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x5b169834d0ea - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd70e28dc46ec20be
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x5b169834d0ea - std::panicking::catch_unwind::do_call::hdc29e11311eb7655
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40
[INFO] [stdout]   38:     0x5b169834d0ea - std::panicking::catch_unwind::h9e402d6a96fef41c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19
[INFO] [stdout]   39:     0x5b169834d0ea - std::panic::catch_unwind::h9213c0c54aec70e0
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5b169834d0ea - std::thread::Builder::spawn_unchecked_::{{closure}}::h6262965869ed2b87
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x5b169834d0ea - core::ops::function::FnOnce::call_once{{vtable.shim}}::h05c05ed02619e462
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5b16983934ff - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h2044e71c41d3958a
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   43:     0x5b16983934ff - std::sys::thread::unix::Thread::new::thread_start::hf277835320aa8e5a
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/thread/unix.rs:126:17
[INFO] [stdout]   44:     0x75998b08aaa4 - <unknown>
[INFO] [stdout]   45:     0x75998b117a34 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::test_binary
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 3 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "c6c5e1474595790431f649f4188134c3c613c04d54274ea16c4d75e2b0a339a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6c5e1474595790431f649f4188134c3c613c04d54274ea16c4d75e2b0a339a6", kill_on_drop: false }`
[INFO] [stdout] c6c5e1474595790431f649f4188134c3c613c04d54274ea16c4d75e2b0a339a6
