[INFO] cloning repository https://github.com/swlody/again
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/swlody/again" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswlody%2Fagain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswlody%2Fagain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 90dd5b5f1a0857413a214ba5081a47eefc0322c3
[INFO] checking swlody/again against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswlody%2Fagain" "/workspace/builds/worker-50/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-50/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/swlody/again on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/swlody/again
[INFO] finished tweaking git repo https://github.com/swlody/again
[INFO] tweaked toml for git repo https://github.com/swlody/again written to /workspace/builds/worker-50/source/Cargo.toml
[INFO] crate git repo https://github.com/swlody/again already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 43d93aefcdb7a8a7c694105a97a11c29ddde50086920d13d5aa1a52bd632fb43
[INFO] running `Command { std: "docker" "start" "-a" "43d93aefcdb7a8a7c694105a97a11c29ddde50086920d13d5aa1a52bd632fb43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43d93aefcdb7a8a7c694105a97a11c29ddde50086920d13d5aa1a52bd632fb43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43d93aefcdb7a8a7c694105a97a11c29ddde50086920d13d5aa1a52bd632fb43", kill_on_drop: false }`
[INFO] [stdout] 43d93aefcdb7a8a7c694105a97a11c29ddde50086920d13d5aa1a52bd632fb43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a152f0ae69d8f2ad47eb88c930019b4fb2920c33114c026e736170f5c83c0c1c
[INFO] running `Command { std: "docker" "start" "-a" "a152f0ae69d8f2ad47eb88c930019b4fb2920c33114c026e736170f5c83c0c1c", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling winapi v0.3.8
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking again v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `DisplayBuffer`
[INFO] [stdout]   --> src/game.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct DisplayBuffer {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `step_render`
[INFO] [stdout]   --> src/game.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn step_render(&mut self, step_by: i32) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `SoundBuffer`
[INFO] [stdout]   --> src/game.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct SoundBuffer {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `render_sound`
[INFO] [stdout]   --> src/game.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn render_sound(&mut self, tone_hz: u16) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `update_and_render`
[INFO] [stdout]   --> src/game.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub fn update_and_render(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `DisplayBuffer`
[INFO] [stdout]   --> src/game.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct DisplayBuffer {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `step_render`
[INFO] [stdout]   --> src/game.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn step_render(&mut self, step_by: i32) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `SoundBuffer`
[INFO] [stdout]   --> src/game.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct SoundBuffer {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `render_sound`
[INFO] [stdout]   --> src/game.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn render_sound(&mut self, tone_hz: u16) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `update_and_render`
[INFO] [stdout]   --> src/game.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub fn update_and_render(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.84s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking again v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `DisplayBuffer`
[INFO] [stdout]   --> src/game.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct DisplayBuffer {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `step_render`
[INFO] [stdout]   --> src/game.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn step_render(&mut self, step_by: i32) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `SoundBuffer`
[INFO] [stdout]   --> src/game.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct SoundBuffer {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `render_sound`
[INFO] [stdout]   --> src/game.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn render_sound(&mut self, tone_hz: u16) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `update_and_render`
[INFO] [stdout]   --> src/game.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub fn update_and_render(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `DisplayBuffer`
[INFO] [stdout]   --> src/game.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct DisplayBuffer {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `step_render`
[INFO] [stdout]   --> src/game.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn step_render(&mut self, step_by: i32) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `SoundBuffer`
[INFO] [stdout]   --> src/game.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct SoundBuffer {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `render_sound`
[INFO] [stdout]   --> src/game.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn render_sound(&mut self, tone_hz: u16) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `update_and_render`
[INFO] [stdout]   --> src/game.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub fn update_and_render(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "a152f0ae69d8f2ad47eb88c930019b4fb2920c33114c026e736170f5c83c0c1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a152f0ae69d8f2ad47eb88c930019b4fb2920c33114c026e736170f5c83c0c1c", kill_on_drop: false }`
[INFO] [stdout] a152f0ae69d8f2ad47eb88c930019b4fb2920c33114c026e736170f5c83c0c1c