[INFO] cloning repository https://github.com/luyangliuable/image-combiner [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/luyangliuable/image-combiner" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluyangliuable%2Fimage-combiner", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluyangliuable%2Fimage-combiner'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9a1c8eecc258041db853cb2ad29d0169515697cb [INFO] checking luyangliuable/image-combiner against master#01706e1a34c87656fcbfce198608f4cd2ac6461a for pr-135272 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluyangliuable%2Fimage-combiner" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/luyangliuable/image-combiner on toolchain 01706e1a34c87656fcbfce198608f4cd2ac6461a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+01706e1a34c87656fcbfce198608f4cd2ac6461a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/luyangliuable/image-combiner [INFO] finished tweaking git repo https://github.com/luyangliuable/image-combiner [INFO] tweaked toml for git repo https://github.com/luyangliuable/image-combiner written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/luyangliuable/image-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" "+01706e1a34c87656fcbfce198608f4cd2ac6461a" "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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+01706e1a34c87656fcbfce198608f4cd2ac6461a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9e30b4b9e3f47b8619dca11e9b63ce29a6003dd70646e2bb59df7b1d1f71c121 [INFO] running `Command { std: "docker" "start" "-a" "9e30b4b9e3f47b8619dca11e9b63ce29a6003dd70646e2bb59df7b1d1f71c121", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9e30b4b9e3f47b8619dca11e9b63ce29a6003dd70646e2bb59df7b1d1f71c121", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9e30b4b9e3f47b8619dca11e9b63ce29a6003dd70646e2bb59df7b1d1f71c121", kill_on_drop: false }` [INFO] [stdout] 9e30b4b9e3f47b8619dca11e9b63ce29a6003dd70646e2bb59df7b1d1f71c121 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+01706e1a34c87656fcbfce198608f4cd2ac6461a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fcd1aea4a0d3bcf4ce65a82a2ae852212b2c91c64e9c52d80a6deb514e3c5374 [INFO] running `Command { std: "docker" "start" "-a" "fcd1aea4a0d3bcf4ce65a82a2ae852212b2c91c64e9c52d80a6deb514e3c5374", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.14 [INFO] [stderr] Compiling libc v0.2.138 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling rayon-core v1.10.1 [INFO] [stderr] Checking adler32 v1.2.0 [INFO] [stderr] Checking either v1.8.0 [INFO] [stderr] Compiling crc32fast v1.3.2 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Checking weezl v0.1.7 [INFO] [stderr] Checking color_quant v1.1.0 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking bytemuck v1.12.3 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking miniz_oxide v0.3.7 [INFO] [stderr] Checking gif v0.11.4 [INFO] [stderr] Checking deflate v0.8.6 [INFO] [stderr] Compiling memoffset v0.7.1 [INFO] [stderr] Compiling crossbeam-epoch v0.9.13 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Compiling num-iter v0.1.43 [INFO] [stderr] Checking crossbeam-channel v0.5.6 [INFO] [stderr] Checking png v0.16.8 [INFO] [stderr] Checking crossbeam-deque v0.8.2 [INFO] [stderr] Checking num_cpus v1.14.0 [INFO] [stderr] Checking rayon v1.6.0 [INFO] [stderr] Checking jpeg-decoder v0.1.22 [INFO] [stderr] Checking tiff v0.6.1 [INFO] [stderr] Checking image v0.23.14 [INFO] [stderr] Checking hello_world v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::fmt::Error` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::fmt::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::mpsc::RecvError` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::sync::mpsc::RecvError; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `fs::File` and `io::BufReader` [INFO] [stdout] --> src/main.rs:6:11 [INFO] [stdout] | [INFO] [stdout] 6 | use std::{io::BufReader, fs::File}; [INFO] [stdout] | ^^^^^^^^^^^^^ ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt::Error` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::fmt::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::mpsc::RecvError` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::sync::mpsc::RecvError; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `fs::File` and `io::BufReader` [INFO] [stdout] --> src/main.rs:6:11 [INFO] [stdout] | [INFO] [stdout] 6 | use std::{io::BufReader, fs::File}; [INFO] [stdout] | ^^^^^^^^^^^^^ ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:13:31 [INFO] [stdout] | [INFO] [stdout] 13 | 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] 13 | UnableToReadImageFromPath(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:13:31 [INFO] [stdout] | [INFO] [stdout] 13 | 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] 13 | UnableToReadImageFromPath(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:14:25 [INFO] [stdout] | [INFO] [stdout] 14 | 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] 14 | UnableToFormatImage(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:14:25 [INFO] [stdout] | [INFO] [stdout] 14 | 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] 14 | UnableToFormatImage(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:15:25 [INFO] [stdout] | [INFO] [stdout] 15 | 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] 15 | UnableToDecodeImage(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:15:25 [INFO] [stdout] | [INFO] [stdout] 15 | 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] 15 | UnableToDecodeImage(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:16:23 [INFO] [stdout] | [INFO] [stdout] 16 | 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] 16 | UnableToSaveImage(()) [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:16:23 [INFO] [stdout] | [INFO] [stdout] 16 | 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] 16 | UnableToSaveImage(()) [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.84s [INFO] running `Command { std: "docker" "inspect" "fcd1aea4a0d3bcf4ce65a82a2ae852212b2c91c64e9c52d80a6deb514e3c5374", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fcd1aea4a0d3bcf4ce65a82a2ae852212b2c91c64e9c52d80a6deb514e3c5374", kill_on_drop: false }` [INFO] [stdout] fcd1aea4a0d3bcf4ce65a82a2ae852212b2c91c64e9c52d80a6deb514e3c5374