[INFO] cloning repository https://github.com/martinhath/jpeg-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/martinhath/jpeg-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartinhath%2Fjpeg-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartinhath%2Fjpeg-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e3a40cc4c31d5a46e36514cc2c6abc6f1a6caaa1
[INFO] testing martinhath/jpeg-rust against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartinhath%2Fjpeg-rust" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/martinhath/jpeg-rust on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/martinhath/jpeg-rust
[INFO] finished tweaking git repo https://github.com/martinhath/jpeg-rust
[INFO] tweaked toml for git repo https://github.com/martinhath/jpeg-rust written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/martinhath/jpeg-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ada197fc3b44bb463c502423265fcaa99881351520a1e107d12988b1ba6ec4c
[INFO] running `Command { std: "docker" "start" "-a" "2ada197fc3b44bb463c502423265fcaa99881351520a1e107d12988b1ba6ec4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ada197fc3b44bb463c502423265fcaa99881351520a1e107d12988b1ba6ec4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ada197fc3b44bb463c502423265fcaa99881351520a1e107d12988b1ba6ec4c", kill_on_drop: false }`
[INFO] [stdout] 2ada197fc3b44bb463c502423265fcaa99881351520a1e107d12988b1ba6ec4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 02f877fb8cc6710ee8625c2e10107b4e0b01cc41782fd21e693773d8f58b75eb
[INFO] running `Command { std: "docker" "start" "-a" "02f877fb8cc6710ee8625c2e10107b4e0b01cc41782fd21e693773d8f58b75eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling itertools v0.4.18
[INFO] [stderr]    Compiling jpeg-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |         try!(file.read_to_end(&mut bytes));
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/jpeg/mod.rs:421:25
[INFO] [stdout]     |
[INFO] [stdout] 417 |                         return Ok(image);
[INFO] [stdout]     |                         ---------------- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 421 |                         i += bytes_read + bytes_skipped;
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `max_y`
[INFO] [stdout]    --> src/jpeg/decoder.rs:260:31
[INFO] [stdout]     |
[INFO] [stdout] 260 |                 |x, y, max_x, max_y, x_factor, y_factor, max_x_factor, max_y_factor| {
[INFO] [stdout]     |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_max_y`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block_factor`
[INFO] [stdout]    --> src/jpeg/decoder.rs:187:13
[INFO] [stdout]     |
[INFO] [stdout] 187 |         let block_factor = max_block_hori_scale * max_block_vert_scale;
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_factor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `max_i`
[INFO] [stdout]    --> src/jpeg/decoder.rs:366:21
[INFO] [stdout]     |
[INFO] [stdout] 366 |                 let max_i = stride - start_x;
[INFO] [stdout]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_max_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `BlockSlice`
[INFO] [stdout]   --> src/jpeg/decoder.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | type BlockSlice = [f32];
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.81s
[INFO] running `Command { std: "docker" "inspect" "02f877fb8cc6710ee8625c2e10107b4e0b01cc41782fd21e693773d8f58b75eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02f877fb8cc6710ee8625c2e10107b4e0b01cc41782fd21e693773d8f58b75eb", kill_on_drop: false }`
[INFO] [stdout] 02f877fb8cc6710ee8625c2e10107b4e0b01cc41782fd21e693773d8f58b75eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46c250089cea6e748e07b5cc7ee0c21a121e0565da82cf7efe87a5782db2b265
[INFO] running `Command { std: "docker" "start" "-a" "46c250089cea6e748e07b5cc7ee0c21a121e0565da82cf7efe87a5782db2b265", kill_on_drop: false }`
[INFO] [stderr]    Compiling jpeg-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |         try!(file.read_to_end(&mut bytes));
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/jpeg/mod.rs:421:25
[INFO] [stdout]     |
[INFO] [stdout] 417 |                         return Ok(image);
[INFO] [stdout]     |                         ---------------- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 421 |                         i += bytes_read + bytes_skipped;
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `max_y`
[INFO] [stdout]    --> src/jpeg/decoder.rs:260:31
[INFO] [stdout]     |
[INFO] [stdout] 260 |                 |x, y, max_x, max_y, x_factor, y_factor, max_x_factor, max_y_factor| {
[INFO] [stdout]     |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_max_y`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block_factor`
[INFO] [stdout]    --> src/jpeg/decoder.rs:187:13
[INFO] [stdout]     |
[INFO] [stdout] 187 |         let block_factor = max_block_hori_scale * max_block_vert_scale;
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_factor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `max_i`
[INFO] [stdout]    --> src/jpeg/decoder.rs:366:21
[INFO] [stdout]     |
[INFO] [stdout] 366 |                 let max_i = stride - start_x;
[INFO] [stdout]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_max_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `BlockSlice`
[INFO] [stdout]   --> src/jpeg/decoder.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | type BlockSlice = [f32];
[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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "46c250089cea6e748e07b5cc7ee0c21a121e0565da82cf7efe87a5782db2b265", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46c250089cea6e748e07b5cc7ee0c21a121e0565da82cf7efe87a5782db2b265", kill_on_drop: false }`
[INFO] [stdout] 46c250089cea6e748e07b5cc7ee0c21a121e0565da82cf7efe87a5782db2b265
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 954ed710a6b6f6acc61b9dd6df8667c4fefd339759dc25ab3a4c3f6770f5fdc5
[INFO] running `Command { std: "docker" "start" "-a" "954ed710a6b6f6acc61b9dd6df8667c4fefd339759dc25ab3a4c3f6770f5fdc5", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/main.rs:19:9
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 19 |         try!(file.read_to_end(&mut bytes));
[INFO] [stdout] 
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/jpeg/mod.rs:421:25
[INFO] [stderr]     |
[INFO] [stderr] 417 |                         return Ok(image);
[INFO] [stderr]     |                         ---------------- any code following this expression is unreachable
[INFO] [stderr] ...
[INFO] [stderr] 421 |                         i += bytes_read + bytes_skipped;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `max_y`
[INFO] [stderr]    --> src/jpeg/decoder.rs:260:31
[INFO] [stderr]     |
[INFO] [stderr] 260 |                 |x, y, max_x, max_y, x_factor, y_factor, max_x_factor, max_y_factor| {
[INFO] [stderr]     |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_max_y`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `block_factor`
[INFO] [stderr]    --> src/jpeg/decoder.rs:187:13
[INFO] [stderr]     |
[INFO] [stderr] 187 |         let block_factor = max_block_hori_scale * max_block_vert_scale;
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_factor`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `max_i`
[INFO] [stderr]    --> src/jpeg/decoder.rs:366:21
[INFO] [stderr]     |
[INFO] [stderr] 366 |                 let max_i = stride - start_x;
[INFO] [stderr]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_max_i`
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `BlockSlice`
[INFO] [stderr]   --> src/jpeg/decoder.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | type BlockSlice = [f32];
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/jpeg_rust-39778f67689c72be)
[INFO] running `Command { std: "docker" "inspect" "954ed710a6b6f6acc61b9dd6df8667c4fefd339759dc25ab3a4c3f6770f5fdc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "954ed710a6b6f6acc61b9dd6df8667c4fefd339759dc25ab3a4c3f6770f5fdc5", kill_on_drop: false }`
[INFO] [stdout] 954ed710a6b6f6acc61b9dd6df8667c4fefd339759dc25ab3a4c3f6770f5fdc5