[INFO] cloning repository https://github.com/routevegetable/timebase.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/routevegetable/timebase.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froutevegetable%2Ftimebase.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froutevegetable%2Ftimebase.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 18ae21a51f42a92a19d4f22bd6c3f8bbe6bf06fb
[INFO] building routevegetable/timebase.rs against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froutevegetable%2Ftimebase.rs" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/routevegetable/timebase.rs on toolchain 44f415c1d617ebc7b931a243b7b321ef8a6ca47c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/routevegetable/timebase.rs
[INFO] finished tweaking git repo https://github.com/routevegetable/timebase.rs
[INFO] tweaked toml for git repo https://github.com/routevegetable/timebase.rs written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/routevegetable/timebase.rs 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" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d130e151dc604259003b96734b8c3075f3fd5f115e2f36ec334f8c2d2f06d94
[INFO] running `Command { std: "docker" "start" "-a" "5d130e151dc604259003b96734b8c3075f3fd5f115e2f36ec334f8c2d2f06d94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d130e151dc604259003b96734b8c3075f3fd5f115e2f36ec334f8c2d2f06d94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d130e151dc604259003b96734b8c3075f3fd5f115e2f36ec334f8c2d2f06d94", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "c8269d031b95a95a6717b587926a47947f2640112953604a0be0c403239d159c", kill_on_drop: false }`
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[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:48:17
[INFO] [stdout]    |
[INFO] [stdout] 48 |             for i in 0..10 {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cc`
[INFO] [stdout]   --> src/main.rs:78:55
[INFO] [stdout]    |
[INFO] [stdout] 78 |     eframe::run_native("Demo App", options, Box::new(|cc| {
[INFO] [stdout]    |                                                       ^^ help: if this is intentional, prefix it with an underscore: `_cc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `between`, `square`, `seq`, and `top_half` are never used
[INFO] [stdout]    --> src/timebase.rs:104:12
[INFO] [stdout]     |
[INFO] [stdout] 103 | impl Timebase {
[INFO] [stdout]     | ------------- methods in this implementation
[INFO] [stdout] 104 |     pub fn between(&self, from: f32, to: f32) -> bool {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 114 |     pub fn square(&self) -> f32 {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 122 |     pub fn seq<const N: usize>(&self) -> [Event; N] {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 153 |     pub fn top_half(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 | /     eframe::run_native("Demo App", options, Box::new(|cc| {
[INFO] [stdout] 79 | |         Ok(Box::<DemoApp>::default())
[INFO] [stdout] 80 | |     }));
[INFO] [stdout]    | |_______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 78 |     let _ = eframe::run_native("Demo App", options, Box::new(|cc| {
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 44s
[INFO] running `Command { std: "docker" "inspect" "c8269d031b95a95a6717b587926a47947f2640112953604a0be0c403239d159c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8269d031b95a95a6717b587926a47947f2640112953604a0be0c403239d159c", kill_on_drop: false }`
[INFO] [stdout] c8269d031b95a95a6717b587926a47947f2640112953604a0be0c403239d159c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10fe9bc67a9b24b412c60a8efc52a0b1d981bb15698d7d3b7e7a7de167346ba1
[INFO] running `Command { std: "docker" "start" "-a" "10fe9bc67a9b24b412c60a8efc52a0b1d981bb15698d7d3b7e7a7de167346ba1", kill_on_drop: false }`
[INFO] [stderr]    Compiling timebase v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:48:17
[INFO] [stdout]    |
[INFO] [stdout] 48 |             for i in 0..10 {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cc`
[INFO] [stdout]   --> src/main.rs:78:55
[INFO] [stdout]    |
[INFO] [stdout] 78 |     eframe::run_native("Demo App", options, Box::new(|cc| {
[INFO] [stdout]    |                                                       ^^ help: if this is intentional, prefix it with an underscore: `_cc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `between`, `square`, `seq`, and `top_half` are never used
[INFO] [stdout]    --> src/timebase.rs:104:12
[INFO] [stdout]     |
[INFO] [stdout] 103 | impl Timebase {
[INFO] [stdout]     | ------------- methods in this implementation
[INFO] [stdout] 104 |     pub fn between(&self, from: f32, to: f32) -> bool {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 114 |     pub fn square(&self) -> f32 {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 122 |     pub fn seq<const N: usize>(&self) -> [Event; N] {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 153 |     pub fn top_half(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 | /     eframe::run_native("Demo App", options, Box::new(|cc| {
[INFO] [stdout] 79 | |         Ok(Box::<DemoApp>::default())
[INFO] [stdout] 80 | |     }));
[INFO] [stdout]    | |_______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 78 |     let _ = eframe::run_native("Demo App", options, Box::new(|cc| {
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "10fe9bc67a9b24b412c60a8efc52a0b1d981bb15698d7d3b7e7a7de167346ba1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10fe9bc67a9b24b412c60a8efc52a0b1d981bb15698d7d3b7e7a7de167346ba1", kill_on_drop: false }`
[INFO] [stdout] 10fe9bc67a9b24b412c60a8efc52a0b1d981bb15698d7d3b7e7a7de167346ba1