[INFO] cloning repository https://github.com/n795113/rust_img_combiner [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/n795113/rust_img_combiner" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fn795113%2Frust_img_combiner", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fn795113%2Frust_img_combiner'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3dfb0c499a4cc5824fab735386f2173b5abcd4c9 [INFO] building n795113/rust_img_combiner against master#ad211ced81509462cdfe4c29ed10f97279a0acae for pr-135216 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fn795113%2Frust_img_combiner" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/n795113/rust_img_combiner on toolchain ad211ced81509462cdfe4c29ed10f97279a0acae [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/n795113/rust_img_combiner [INFO] finished tweaking git repo https://github.com/n795113/rust_img_combiner [INFO] tweaked toml for git repo https://github.com/n795113/rust_img_combiner written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/n795113/rust_img_combiner 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" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0d74adb46639201c2ea147f29b13f51f497dc70e31ba25a77ee3a936f2e01dac [INFO] running `Command { std: "docker" "start" "-a" "0d74adb46639201c2ea147f29b13f51f497dc70e31ba25a77ee3a936f2e01dac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0d74adb46639201c2ea147f29b13f51f497dc70e31ba25a77ee3a936f2e01dac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0d74adb46639201c2ea147f29b13f51f497dc70e31ba25a77ee3a936f2e01dac", kill_on_drop: false }` [INFO] [stdout] 0d74adb46639201c2ea147f29b13f51f497dc70e31ba25a77ee3a936f2e01dac [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d9c14049007bae317fa64953e9bb871663bd32ed8196dceb6cc7efdea60f9815 [INFO] running `Command { std: "docker" "start" "-a" "d9c14049007bae317fa64953e9bb871663bd32ed8196dceb6cc7efdea60f9815", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.8 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling libc v0.2.123 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling crc32fast v1.3.2 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling adler32 v1.2.0 [INFO] [stderr] Compiling adler v1.0.2 [INFO] [stderr] Compiling weezl v0.1.5 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling color_quant v1.1.0 [INFO] [stderr] Compiling bytemuck v1.9.1 [INFO] [stderr] Compiling scoped_threadpool v0.1.9 [INFO] [stderr] Compiling miniz_oxide v0.3.7 [INFO] [stderr] Compiling deflate v0.8.6 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling crossbeam-epoch v0.9.8 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling gif v0.11.3 [INFO] [stderr] Compiling crossbeam-channel v0.5.4 [INFO] [stderr] Compiling png v0.16.8 [INFO] [stderr] Compiling crossbeam-deque v0.8.1 [INFO] [stderr] Compiling num_cpus v1.13.1 [INFO] [stderr] Compiling jpeg-decoder v0.1.22 [INFO] [stderr] Compiling tiff v0.6.1 [INFO] [stderr] Compiling image v0.23.14 [INFO] [stderr] Compiling rust_img_combiner v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:9:31 [INFO] [stdout] | [INFO] [stdout] 9 | UnableToReadImageFromPath(std::io::Error), [INFO] [stdout] | ------------------------- ^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `ImageDataErrors` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 9 | UnableToReadImageFromPath(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:10:25 [INFO] [stdout] | [INFO] [stdout] 10 | UnableToFormatImage(String), [INFO] [stdout] | ------------------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `ImageDataErrors` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 10 | UnableToFormatImage(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:11:25 [INFO] [stdout] | [INFO] [stdout] 11 | UnableToDecodeImage(ImageError), [INFO] [stdout] | ------------------- ^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `ImageDataErrors` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 11 | UnableToDecodeImage(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:12:23 [INFO] [stdout] | [INFO] [stdout] 12 | UnableToSaveImage(ImageError) [INFO] [stdout] | ----------------- ^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `ImageDataErrors` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 12 | UnableToSaveImage(()) [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 30.02s [INFO] running `Command { std: "docker" "inspect" "d9c14049007bae317fa64953e9bb871663bd32ed8196dceb6cc7efdea60f9815", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d9c14049007bae317fa64953e9bb871663bd32ed8196dceb6cc7efdea60f9815", kill_on_drop: false }` [INFO] [stdout] d9c14049007bae317fa64953e9bb871663bd32ed8196dceb6cc7efdea60f9815 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 702f651d1c053f4abcd42077665cc64f08c0e1b65130fc39366a71d8f6d8e3f2 [INFO] running `Command { std: "docker" "start" "-a" "702f651d1c053f4abcd42077665cc64f08c0e1b65130fc39366a71d8f6d8e3f2", kill_on_drop: false }` [INFO] [stderr] Compiling rust_img_combiner v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:9:31 [INFO] [stdout] | [INFO] [stdout] 9 | UnableToReadImageFromPath(std::io::Error), [INFO] [stdout] | ------------------------- ^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `ImageDataErrors` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 9 | UnableToReadImageFromPath(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:10:25 [INFO] [stdout] | [INFO] [stdout] 10 | UnableToFormatImage(String), [INFO] [stdout] | ------------------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `ImageDataErrors` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 10 | UnableToFormatImage(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:11:25 [INFO] [stdout] | [INFO] [stdout] 11 | UnableToDecodeImage(ImageError), [INFO] [stdout] | ------------------- ^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `ImageDataErrors` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 11 | UnableToDecodeImage(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:12:23 [INFO] [stdout] | [INFO] [stdout] 12 | UnableToSaveImage(ImageError) [INFO] [stdout] | ----------------- ^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `ImageDataErrors` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 12 | UnableToSaveImage(()) [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.66s [INFO] running `Command { std: "docker" "inspect" "702f651d1c053f4abcd42077665cc64f08c0e1b65130fc39366a71d8f6d8e3f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "702f651d1c053f4abcd42077665cc64f08c0e1b65130fc39366a71d8f6d8e3f2", kill_on_drop: false }` [INFO] [stdout] 702f651d1c053f4abcd42077665cc64f08c0e1b65130fc39366a71d8f6d8e3f2