[INFO] fetching crate imgorisort 0.3.0...
[INFO] testing imgorisort-0.3.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1
[INFO] extracting crate imgorisort 0.3.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate imgorisort 0.3.0
[INFO] finished tweaking crates.io crate imgorisort 0.3.0
[INFO] tweaked toml for crates.io crate imgorisort 0.3.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate imgorisort 0.3.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate imgorisort 0.3.0 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded structopt-derive v0.4.8
[INFO] [stderr]   Downloaded adler32 v1.1.0
[INFO] [stderr]   Downloaded proc-macro-error-attr v1.0.3
[INFO] [stderr]   Downloaded proc-macro2 v1.0.18
[INFO] [stderr]   Downloaded proc-macro-error v1.0.3
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[INFO] [stderr]   Downloaded arraystring v0.3.0
[INFO] [stderr]   Downloaded hermit-abi v0.1.14
[INFO] [stderr]   Downloaded bytemuck v1.2.0
[INFO] [stderr]   Downloaded typenum v1.12.0
[INFO] [stderr]   Downloaded deflate v0.8.4
[INFO] [stderr]   Downloaded aho-corasick v0.7.13
[INFO] [stderr]   Downloaded png v0.16.5
[INFO] [stderr]   Downloaded rayon-core v1.7.1
[INFO] [stderr]   Downloaded time v0.1.43
[INFO] [stderr]   Downloaded num-iter v0.1.41
[INFO] [stderr]   Downloaded lazy_static v0.2.11
[INFO] [stderr]   Downloaded jpeg-decoder v0.1.19
[INFO] [stderr]   Downloaded stderrlog v0.4.3
[INFO] [stderr]   Downloaded clap v2.33.1
[INFO] [stderr]   Downloaded libc v0.2.71
[INFO] [stderr]   Downloaded num-rational v0.3.0
[INFO] [stderr]   Downloaded num-integer v0.1.43
[INFO] [stderr]   Downloaded num-traits v0.2.12
[INFO] [stderr]   Downloaded image v0.23.6
[INFO] [stderr]   Downloaded termion v1.5.5
[INFO] [stderr]   Downloaded memoffset v0.5.4
[INFO] [stderr]   Downloaded chrono v0.4.13
[INFO] [stderr]   Downloaded rayon v1.3.1
[INFO] [stderr]   Downloaded syn v1.0.33
[INFO] [stderr]   Downloaded structopt v0.3.15
[INFO] [stderr]   Downloaded thread_local v0.3.4
[INFO] [stderr]   Downloaded syn-mid v0.5.0
[INFO] [stderr]   Downloaded quote v1.0.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1fe86a0c7a5050ef0c9936c9d02ca0cf30878c30c21544f489d9fcb1b15d7788
[INFO] running `Command { std: "docker" "start" "-a" "1fe86a0c7a5050ef0c9936c9d02ca0cf30878c30c21544f489d9fcb1b15d7788", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1fe86a0c7a5050ef0c9936c9d02ca0cf30878c30c21544f489d9fcb1b15d7788", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fe86a0c7a5050ef0c9936c9d02ca0cf30878c30c21544f489d9fcb1b15d7788", kill_on_drop: false }`
[INFO] [stdout] 1fe86a0c7a5050ef0c9936c9d02ca0cf30878c30c21544f489d9fcb1b15d7788
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95042517c88e71b438e3a20e523badca124d34944cec22ca49d1bfd2638984cd
[INFO] running `Command { std: "docker" "start" "-a" "95042517c88e71b438e3a20e523badca124d34944cec22ca49d1bfd2638984cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling adler32 v1.1.0
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.3
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling color_quant v1.0.1
[INFO] [stderr]    Compiling deflate v0.8.4
[INFO] [stderr]    Compiling thread_local v0.3.4
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling bytemuck v1.2.0
[INFO] [stderr]    Compiling gif v0.10.3
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling tiff v0.5.0
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling png v0.16.5
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling chrono v0.4.13
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling arraystring v0.3.0
[INFO] [stderr]    Compiling stderrlog v0.4.3
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.19
[INFO] [stderr]    Compiling image v0.23.6
[INFO] [stderr]    Compiling structopt-derive v0.4.8
[INFO] [stderr]    Compiling structopt v0.3.15
[INFO] [stderr]    Compiling imgorisort v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/main.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |         drop(&opts.output_dir);
[INFO] [stdout]    |         ^^^^^----------------^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              argument has type `&PathBuf`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 69 -         drop(&opts.output_dir);
[INFO] [stdout] 69 +         let _ = &opts.output_dir;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/main.rs:256:5
[INFO] [stdout]     |
[INFO] [stdout] 256 |     drop(i);
[INFO] [stdout]     |     ^^^^^-^
[INFO] [stdout]     |          |
[INFO] [stdout]     |          argument has type `u16`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 256 -     drop(i);
[INFO] [stdout] 256 +     let _ = i;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.75s
[INFO] running `Command { std: "docker" "inspect" "95042517c88e71b438e3a20e523badca124d34944cec22ca49d1bfd2638984cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95042517c88e71b438e3a20e523badca124d34944cec22ca49d1bfd2638984cd", kill_on_drop: false }`
[INFO] [stdout] 95042517c88e71b438e3a20e523badca124d34944cec22ca49d1bfd2638984cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b25a39c1242c160fef4cf2006ce0d48689e03e9d031b4a91d8418d4c28f9a758
[INFO] running `Command { std: "docker" "start" "-a" "b25a39c1242c160fef4cf2006ce0d48689e03e9d031b4a91d8418d4c28f9a758", kill_on_drop: false }`
[INFO] [stderr]    Compiling imgorisort v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/main.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |         drop(&opts.output_dir);
[INFO] [stdout]    |         ^^^^^----------------^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              argument has type `&PathBuf`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 69 -         drop(&opts.output_dir);
[INFO] [stdout] 69 +         let _ = &opts.output_dir;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/main.rs:256:5
[INFO] [stdout]     |
[INFO] [stdout] 256 |     drop(i);
[INFO] [stdout]     |     ^^^^^-^
[INFO] [stdout]     |          |
[INFO] [stdout]     |          argument has type `u16`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 256 -     drop(i);
[INFO] [stdout] 256 +     let _ = i;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "b25a39c1242c160fef4cf2006ce0d48689e03e9d031b4a91d8418d4c28f9a758", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b25a39c1242c160fef4cf2006ce0d48689e03e9d031b4a91d8418d4c28f9a758", kill_on_drop: false }`
[INFO] [stdout] b25a39c1242c160fef4cf2006ce0d48689e03e9d031b4a91d8418d4c28f9a758
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 98eac8bd567c5687bd48f54382431303ae2580953f65d4fed05ed36c7267f5af
[INFO] running `Command { std: "docker" "start" "-a" "98eac8bd567c5687bd48f54382431303ae2580953f65d4fed05ed36c7267f5af", kill_on_drop: false }`
[INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stderr]   --> src/main.rs:69:9
[INFO] [stderr]    |
[INFO] [stderr] 69 |         drop(&opts.output_dir);
[INFO] [stderr]    |         ^^^^^----------------^
[INFO] [stderr]    |              |
[INFO] [stderr]    |              argument has type `&PathBuf`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]    |
[INFO] [stderr] 69 -         drop(&opts.output_dir);
[INFO] [stderr] 69 +         let _ = &opts.output_dir;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stderr]    --> src/main.rs:256:5
[INFO] [stderr]     |
[INFO] [stderr] 256 |     drop(i);
[INFO] [stderr]     |     ^^^^^-^
[INFO] [stderr]     |          |
[INFO] [stderr]     |          argument has type `u16`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]     |
[INFO] [stderr] 256 -     drop(i);
[INFO] [stderr] 256 +     let _ = i;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `imgorisort` (bin "imgorisort" test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/imgorisort-d03829a71f2c6e7c)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_get_img_dimensions ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/imgorisort-e1fcc2be96472748)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests imgorisort
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "98eac8bd567c5687bd48f54382431303ae2580953f65d4fed05ed36c7267f5af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98eac8bd567c5687bd48f54382431303ae2580953f65d4fed05ed36c7267f5af", kill_on_drop: false }`
[INFO] [stdout] 98eac8bd567c5687bd48f54382431303ae2580953f65d4fed05ed36c7267f5af