[INFO] cloning repository https://github.com/syntheticsh/ffmpeg_and_sdl_tutorial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/syntheticsh/ffmpeg_and_sdl_tutorial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsyntheticsh%2Fffmpeg_and_sdl_tutorial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsyntheticsh%2Fffmpeg_and_sdl_tutorial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 934ea32bf0362c7cce62f13f07c7f5d886f9c935
[INFO] checking syntheticsh/ffmpeg_and_sdl_tutorial against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsyntheticsh%2Fffmpeg_and_sdl_tutorial" "/workspace/builds/worker-29/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-29/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/syntheticsh/ffmpeg_and_sdl_tutorial 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/syntheticsh/ffmpeg_and_sdl_tutorial
[INFO] finished tweaking git repo https://github.com/syntheticsh/ffmpeg_and_sdl_tutorial
[INFO] tweaked toml for git repo https://github.com/syntheticsh/ffmpeg_and_sdl_tutorial written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] crate git repo https://github.com/syntheticsh/ffmpeg_and_sdl_tutorial 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]     Updating git repository `https://github.com/syntheticsh/rust-ffmpeg.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ffmpeg-sys-next v4.3.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] 7f79768ac6ade92dce53a9ebc1f4699935174ac30fc20ef4a71c412fc491db90
[INFO] running `Command { std: "docker" "start" "-a" "7f79768ac6ade92dce53a9ebc1f4699935174ac30fc20ef4a71c412fc491db90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f79768ac6ade92dce53a9ebc1f4699935174ac30fc20ef4a71c412fc491db90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f79768ac6ade92dce53a9ebc1f4699935174ac30fc20ef4a71c412fc491db90", kill_on_drop: false }`
[INFO] [stdout] 7f79768ac6ade92dce53a9ebc1f4699935174ac30fc20ef4a71c412fc491db90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] 4a667aba1e7cb747d66e120d2fcdeb637b584bcc1e8b15e7fea9ddf3dc20f1ed
[INFO] running `Command { std: "docker" "start" "-a" "4a667aba1e7cb747d66e120d2fcdeb637b584bcc1e8b15e7fea9ddf3dc20f1ed", 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]    Compiling libc v0.2.84
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling bindgen v0.54.0
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking weezl v0.1.4
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]    Compiling sdl2 v0.34.3
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]    Compiling ffmpeg-next v4.4.0-dev (https://github.com/syntheticsh/rust-ffmpeg.git#e97a6ef8)
[INFO] [stderr]     Checking bytemuck v1.5.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking gif v0.11.1
[INFO] [stderr]    Compiling sdl2-sys v0.34.3
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]    Compiling clang-sys v0.29.3
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking image v0.23.12
[INFO] [stderr]    Compiling ffmpeg-sys-next v4.3.5
[INFO] [stderr]     Checking fftut1 v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/tut4/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/tut3/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/tut1/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/tut2/main.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/tut4/main.rs (3 fixes)
[INFO] [stdout] warning: variable `timer` is assigned to, but never used
[INFO] [stdout]    --> src/tut4/main.rs:122:17
[INFO] [stdout]     |
[INFO] [stdout] 122 |         let mut timer = timer_subsystem.add_timer(
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]     = note: consider using `_timer` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `timer` is never read
[INFO] [stdout]    --> src/tut4/main.rs:145:21
[INFO] [stdout]     |
[INFO] [stdout] 145 |                     timer = timer_subsystem.add_timer(
[INFO] [stdout]     |                     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `a`
[INFO] [stdout]   --> src/tut4/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     a: u32,
[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/tut4/main.rs:160:21
[INFO] [stdout]     |
[INFO] [stdout] 160 |                     break_flag.lock().map(|_| true);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/tut4/main.rs:161:21
[INFO] [stdout]     |
[INFO] [stdout] 161 |                     ph.join();
[INFO] [stdout]     |                     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]        Fixed src/tut3/main.rs (2 fixes)
[INFO] [stdout] warning: variable `timer` is assigned to, but never used
[INFO] [stdout]    --> src/tut4/main.rs:122:17
[INFO] [stdout]     |
[INFO] [stdout] 122 |         let mut timer = timer_subsystem.add_timer(
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]     = note: consider using `_timer` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `timer` is never read
[INFO] [stdout]    --> src/tut4/main.rs:145:21
[INFO] [stdout]     |
[INFO] [stdout] 145 |                     timer = timer_subsystem.add_timer(
[INFO] [stdout]     |                     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `a`
[INFO] [stdout]   --> src/tut4/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     a: u32,
[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/tut4/main.rs:160:21
[INFO] [stdout]     |
[INFO] [stdout] 160 |                     break_flag.lock().map(|_| true);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/tut4/main.rs:161:21
[INFO] [stdout]     |
[INFO] [stdout] 161 |                     ph.join();
[INFO] [stdout]     |                     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 11s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking fftut1 v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: variable `timer` is assigned to, but never used
[INFO] [stdout]    --> src/tut4/main.rs:122:17
[INFO] [stdout]     |
[INFO] [stdout] 122 |         let mut timer = timer_subsystem.add_timer(
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]     = note: consider using `_timer` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `timer` is never read
[INFO] [stdout]    --> src/tut4/main.rs:145:21
[INFO] [stdout]     |
[INFO] [stdout] 145 |                     timer = timer_subsystem.add_timer(
[INFO] [stdout]     |                     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `timer` is assigned to, but never used
[INFO] [stdout]    --> src/tut4/main.rs:122:17
[INFO] [stdout]     |
[INFO] [stdout] 122 |         let mut timer = timer_subsystem.add_timer(
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]     = note: consider using `_timer` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `timer` is never read
[INFO] [stdout]    --> src/tut4/main.rs:145:21
[INFO] [stdout]     |
[INFO] [stdout] 145 |                     timer = timer_subsystem.add_timer(
[INFO] [stdout]     |                     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `a`
[INFO] [stdout]   --> src/tut4/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     a: u32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `a`
[INFO] [stdout]   --> src/tut4/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     a: u32,
[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/tut4/main.rs:160:21
[INFO] [stdout]     |
[INFO] [stdout] 160 |                     break_flag.lock().map(|_| true);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/tut4/main.rs:161:21
[INFO] [stdout]     |
[INFO] [stdout] 161 |                     ph.join();
[INFO] [stdout]     |                     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/tut4/main.rs:160:21
[INFO] [stdout]     |
[INFO] [stdout] 160 |                     break_flag.lock().map(|_| true);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/tut4/main.rs:161:21
[INFO] [stdout]     |
[INFO] [stdout] 161 |                     ph.join();
[INFO] [stdout]     |                     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "4a667aba1e7cb747d66e120d2fcdeb637b584bcc1e8b15e7fea9ddf3dc20f1ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a667aba1e7cb747d66e120d2fcdeb637b584bcc1e8b15e7fea9ddf3dc20f1ed", kill_on_drop: false }`
[INFO] [stdout] 4a667aba1e7cb747d66e120d2fcdeb637b584bcc1e8b15e7fea9ddf3dc20f1ed