[INFO] fetching crate textgrid 0.1.0...
[INFO] testing textgrid-0.1.0 against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate textgrid 0.1.0 into /workspace/builds/worker-2-tc1/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-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate textgrid 0.1.0 on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4516bc1f0b7e563b3d37b7b84d333a9199a4edf61b479723766283dd5020532a
[INFO] running `Command { std: "docker" "start" "-a" "4516bc1f0b7e563b3d37b7b84d333a9199a4edf61b479723766283dd5020532a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4516bc1f0b7e563b3d37b7b84d333a9199a4edf61b479723766283dd5020532a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4516bc1f0b7e563b3d37b7b84d333a9199a4edf61b479723766283dd5020532a", kill_on_drop: false }`
[INFO] [stdout] 4516bc1f0b7e563b3d37b7b84d333a9199a4edf61b479723766283dd5020532a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5a3bb514541aeb8e3fd70fd11cdb886ea5daf2ce74c98bce12799c16f9cb47e
[INFO] running `Command { std: "docker" "start" "-a" "c5a3bb514541aeb8e3fd70fd11cdb886ea5daf2ce74c98bce12799c16f9cb47e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling thiserror v2.0.12
[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 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)]` 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 33.43s
[INFO] running `Command { std: "docker" "inspect" "c5a3bb514541aeb8e3fd70fd11cdb886ea5daf2ce74c98bce12799c16f9cb47e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5a3bb514541aeb8e3fd70fd11cdb886ea5daf2ce74c98bce12799c16f9cb47e", kill_on_drop: false }`
[INFO] [stdout] c5a3bb514541aeb8e3fd70fd11cdb886ea5daf2ce74c98bce12799c16f9cb47e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed8b1b0c9008fc9bbd17fa64c0ba90ad049d9584489a682cfa44ea9b96198d1f
[INFO] running `Command { std: "docker" "start" "-a" "ed8b1b0c9008fc9bbd17fa64c0ba90ad049d9584489a682cfa44ea9b96198d1f", kill_on_drop: false }`
[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)]` 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] [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)]` 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 4.05s
[INFO] running `Command { std: "docker" "inspect" "ed8b1b0c9008fc9bbd17fa64c0ba90ad049d9584489a682cfa44ea9b96198d1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed8b1b0c9008fc9bbd17fa64c0ba90ad049d9584489a682cfa44ea9b96198d1f", kill_on_drop: false }`
[INFO] [stdout] ed8b1b0c9008fc9bbd17fa64c0ba90ad049d9584489a682cfa44ea9b96198d1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4981ecab97fe30aacef8c82f8c9e9b50f8521b2b25d4f729c1127ebe8d408b51
[INFO] running `Command { std: "docker" "start" "-a" "4981ecab97fe30aacef8c82f8c9e9b50f8521b2b25d4f729c1127ebe8d408b51", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `interval`
[INFO] [stderr]    --> src/types.rs:479:58
[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)]` 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 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/textgrid-3db9fdeb5f7a808f)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::test_undo_redo ... ok
[INFO] [stdout] test tests::test_query ... ok
[INFO] [stdout] test tests::test_advanced_merge ... 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' 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:     0x589a314343e2 - std::backtrace_rs::backtrace::libunwind::trace::hd39b1f53d3cf9745
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x589a314343e2 - std::backtrace_rs::backtrace::trace_unsynchronized::he91d9a75d4e3972b
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x589a314343e2 - std::sys::backtrace::_print_fmt::hca46938f8c6e22cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x589a314343e2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha499add612cccf8e
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x589a3145b213 - core::fmt::rt::Argument::fmt::hd21145b75a833b7a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x589a3145b213 - core::fmt::write::hb10c956f5235c8a4
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x589a31431453 - std::io::default_write_fmt::hdb7615052be2ba4d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x589a31431453 - std::io::Write::write_fmt::he1bcd251ec6e4153
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x589a31434232 - std::sys::backtrace::BacktraceLock::print::hb47c770ef659fd10
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x589a314359fc - std::panicking::default_hook::{{closure}}::hdda8afb9d457a22c
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x589a31435852 - std::panicking::default_hook::h7c46b44874fe5c9a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x589a313fd654 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h178a5fcedee41e2f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x589a313fd654 - test::test_main_with_exit_callback::{{closure}}::h951a41e0149d6d5d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x589a314363db - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h13602080f5b63276
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x589a314363db - std::panicking::rust_panic_with_hook::ha6cb99ed099eb1c5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x589a314361aa - std::panicking::begin_panic_handler::{{closure}}::he11808bc797ee921
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x589a314348d9 - std::sys::backtrace::__rust_end_short_backtrace::h9418807cb7346258
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   17:     0x589a31435e3d - __rustc[18fb429eef004894]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x589a31459d60 - core::panicking::panic_fmt::hd890aeb12c3a3fc3
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x589a3145a106 - core::result::unwrap_failed::h31c9775ec1a50121
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/result.rs:1761:5
[INFO] [stdout]   20:     0x589a313c0fdc - core::result::Result<T,E>::unwrap::h40c83f105c25d996
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/result.rs:1167:23
[INFO] [stdout]   21:     0x589a313c0fdc - textgrid::tests::test_binary::h0182c8c2fd184eaa
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:223:53
[INFO] [stdout]   22:     0x589a313be749 - textgrid::tests::test_binary::{{closure}}::hed8de37063aed95f
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:213:21
[INFO] [stdout]   23:     0x589a313be749 - core::ops::function::FnOnce::call_once::hadedf038d95714d8
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x589a31402ddb - core::ops::function::FnOnce::call_once::h2869fb5b0a2b0bdc
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x589a31402ddb - test::__rust_begin_short_backtrace::h7dd7142bd62fa711
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:648:18
[INFO] [stdout]   26:     0x589a31401fce - test::run_test_in_process::{{closure}}::h43a753f038d36b3f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:671:74
[INFO] [stdout]   27:     0x589a31401fce - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0ca95dd3e12d1e16
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x589a31401fce - std::panicking::catch_unwind::do_call::he308587d70ac34ba
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   29:     0x589a31401fce - std::panicking::catch_unwind::h30dcba31973e8fb0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   30:     0x589a31401fce - std::panic::catch_unwind::hfb68364e5621fbee
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x589a31401fce - test::run_test_in_process::hcdcc2977903b998a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:671:27
[INFO] [stdout]   32:     0x589a31401fce - test::run_test::{{closure}}::h544a6550958c5d14
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:592:43
[INFO] [stdout]   33:     0x589a313c5b44 - test::run_test::{{closure}}::hb172e48ebe2b92c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:622:41
[INFO] [stdout]   34:     0x589a313c5b44 - std::sys::backtrace::__rust_begin_short_backtrace::h7e79d8706638bea0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   35:     0x589a313c951a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hc4a275f1e71b8ab0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x589a313c951a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h01ed0d242df78cfd
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x589a313c951a - std::panicking::catch_unwind::do_call::h052f373fb905fee0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   38:     0x589a313c951a - std::panicking::catch_unwind::hb425d20c8ffb09c8
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   39:     0x589a313c951a - std::panic::catch_unwind::ha0d5dfbf18fdeda5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x589a313c951a - std::thread::Builder::spawn_unchecked_::{{closure}}::hbe79182bd37949c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x589a313c951a - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc096c4a06972fde5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x589a31439337 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h47377e27fb938a26
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   43:     0x589a31439337 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h72f1fe5d095abf57
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   44:     0x589a31439337 - std::sys::pal::unix::thread::Thread::new::thread_start::h0a4d8e1b9c0d38cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/pal/unix/thread.rs:97:17
[INFO] [stdout]   45:     0x74691076faa4 - <unknown>
[INFO] [stdout]   46:     0x7469107fca34 - clone
[INFO] [stdout]   47:                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 0.04s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "4981ecab97fe30aacef8c82f8c9e9b50f8521b2b25d4f729c1127ebe8d408b51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4981ecab97fe30aacef8c82f8c9e9b50f8521b2b25d4f729c1127ebe8d408b51", kill_on_drop: false }`
[INFO] [stdout] 4981ecab97fe30aacef8c82f8c9e9b50f8521b2b25d4f729c1127ebe8d408b51
