[INFO] cloning repository https://github.com/rphsoftware/video-to-subtitle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rphsoftware/video-to-subtitle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frphsoftware%2Fvideo-to-subtitle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frphsoftware%2Fvideo-to-subtitle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d1b2f64ca235a284676bb37ec6ebc6d1c4873d8c
[INFO] checking rphsoftware/video-to-subtitle against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frphsoftware%2Fvideo-to-subtitle" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rphsoftware/video-to-subtitle on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rphsoftware/video-to-subtitle
[INFO] finished tweaking git repo https://github.com/rphsoftware/video-to-subtitle
[INFO] tweaked toml for git repo https://github.com/rphsoftware/video-to-subtitle written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/rphsoftware/video-to-subtitle 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 62163fc23c168db6f8412fa1f6f1cecbd0dbc1f7757af076a93e88cd6b3585ea
[INFO] running `Command { std: "docker" "start" "-a" "62163fc23c168db6f8412fa1f6f1cecbd0dbc1f7757af076a93e88cd6b3585ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62163fc23c168db6f8412fa1f6f1cecbd0dbc1f7757af076a93e88cd6b3585ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62163fc23c168db6f8412fa1f6f1cecbd0dbc1f7757af076a93e88cd6b3585ea", kill_on_drop: false }`
[INFO] [stdout] 62163fc23c168db6f8412fa1f6f1cecbd0dbc1f7757af076a93e88cd6b3585ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37a6e5bbd059013dd6e262351534e56a4a708a481fe9b03164b52dc574f0c8bb
[INFO] running `Command { std: "docker" "start" "-a" "37a6e5bbd059013dd6e262351534e56a4a708a481fe9b03164b52dc574f0c8bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking png v0.16.7
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking video-to-subtitle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/framebuffer.rs:130:12
[INFO] [stdout]     |
[INFO] [stdout] 130 |         if (invert) {
[INFO] [stdout]     |            ^      ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 130 -         if (invert) {
[INFO] [stdout] 130 +         if invert {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/framebuffer.rs:130:12
[INFO] [stdout]     |
[INFO] [stdout] 130 |         if (invert) {
[INFO] [stdout]     |            ^      ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 130 -         if (invert) {
[INFO] [stdout] 130 +         if invert {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]    --> src/framebuffer.rs:137:49
[INFO] [stdout]     |
[INFO] [stdout] 137 |     pub fn create_ass_line(&mut self, l: usize, start: u64, len: u64) -> String {
[INFO] [stdout]     |                                                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/framebuffer.rs:137:61
[INFO] [stdout]     |
[INFO] [stdout] 137 |     pub fn create_ass_line(&mut self, l: usize, start: u64, len: u64) -> String {
[INFO] [stdout]     |                                                             ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]    --> src/framebuffer.rs:147:58
[INFO] [stdout]     |
[INFO] [stdout] 147 |     pub fn create_inverted_ass_line(&mut self, l: usize, start: u64, len: u64) -> String {
[INFO] [stdout]     |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/framebuffer.rs:147:70
[INFO] [stdout]     |
[INFO] [stdout] 147 |     pub fn create_inverted_ass_line(&mut self, l: usize, start: u64, len: u64) -> String {
[INFO] [stdout]     |                                                                      ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]    --> src/framebuffer.rs:137:49
[INFO] [stdout]     |
[INFO] [stdout] 137 |     pub fn create_ass_line(&mut self, l: usize, start: u64, len: u64) -> String {
[INFO] [stdout]     |                                                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/framebuffer.rs:137:61
[INFO] [stdout]     |
[INFO] [stdout] 137 |     pub fn create_ass_line(&mut self, l: usize, start: u64, len: u64) -> String {
[INFO] [stdout]     |                                                             ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]    --> src/framebuffer.rs:147:58
[INFO] [stdout]     |
[INFO] [stdout] 147 |     pub fn create_inverted_ass_line(&mut self, l: usize, start: u64, len: u64) -> String {
[INFO] [stdout]     |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/framebuffer.rs:147:70
[INFO] [stdout]     |
[INFO] [stdout] 147 |     pub fn create_inverted_ass_line(&mut self, l: usize, start: u64, len: u64) -> String {
[INFO] [stdout]     |                                                                      ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_timestamp_string` is never used
[INFO] [stdout]   --> src/framebuffer.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn create_timestamp_string(u: u64) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_timestamp_string` is never used
[INFO] [stdout]   --> src/framebuffer.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn create_timestamp_string(u: u64) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.04s
[INFO] running `Command { std: "docker" "inspect" "37a6e5bbd059013dd6e262351534e56a4a708a481fe9b03164b52dc574f0c8bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37a6e5bbd059013dd6e262351534e56a4a708a481fe9b03164b52dc574f0c8bb", kill_on_drop: false }`
[INFO] [stdout] 37a6e5bbd059013dd6e262351534e56a4a708a481fe9b03164b52dc574f0c8bb