[INFO] cloning repository https://github.com/ClarkeRemy/PNG-Dedup
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ClarkeRemy/PNG-Dedup" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FClarkeRemy%2FPNG-Dedup", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FClarkeRemy%2FPNG-Dedup'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 62c7fbb3c5a2a255f43e7dae9e01db64fdb8ed15
[INFO] testing ClarkeRemy/PNG-Dedup against 1.75.0 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FClarkeRemy%2FPNG-Dedup" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ClarkeRemy/PNG-Dedup on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ClarkeRemy/PNG-Dedup
[INFO] finished tweaking git repo https://github.com/ClarkeRemy/PNG-Dedup
[INFO] tweaked toml for git repo https://github.com/ClarkeRemy/PNG-Dedup written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ClarkeRemy/PNG-Dedup 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.13
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.12
[INFO] [stderr]   Downloaded tiff v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d1dd85a6a0bc08f17bff57c472907fa74013b68a45c86092335e62995dcb70a3
[INFO] running `Command { std: "docker" "start" "-a" "d1dd85a6a0bc08f17bff57c472907fa74013b68a45c86092335e62995dcb70a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1dd85a6a0bc08f17bff57c472907fa74013b68a45c86092335e62995dcb70a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1dd85a6a0bc08f17bff57c472907fa74013b68a45c86092335e62995dcb70a3", kill_on_drop: false }`
[INFO] [stdout] d1dd85a6a0bc08f17bff57c472907fa74013b68a45c86092335e62995dcb70a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7709670e8c7e87ad2cd59706862284c638da305096c9b24272f4ee92df70589c
[INFO] running `Command { std: "docker" "start" "-a" "7709670e8c7e87ad2cd59706862284c638da305096c9b24272f4ee92df70589c", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.13
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.12
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling rayon-core v1.10.1
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling miniz_oxide v0.5.4
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling miniz_oxide v0.6.2
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling spin v0.9.4
[INFO] [stderr]    Compiling weezl v0.1.7
[INFO] [stderr]    Compiling futures-sink v0.3.25
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling lebe v0.5.2
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling bit_field v0.10.1
[INFO] [stderr]    Compiling nanorand v0.7.0
[INFO] [stderr]    Compiling half v2.1.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling bytemuck v1.12.3
[INFO] [stderr]    Compiling gif v0.11.4
[INFO] [stderr]    Compiling flate2 v1.0.24
[INFO] [stderr]    Compiling crossbeam-channel v0.5.6
[INFO] [stderr]    Compiling crossbeam-deque v0.8.2
[INFO] [stderr]    Compiling png v0.17.7
[INFO] [stderr]    Compiling rayon v1.6.0
[INFO] [stderr]    Compiling jpeg-decoder v0.3.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.12
[INFO] [stderr]    Compiling tiff v0.8.0
[INFO] [stderr]    Compiling pin-project v1.0.12
[INFO] [stderr]    Compiling flume v0.10.14
[INFO] [stderr]    Compiling exr v1.5.2
[INFO] [stderr]    Compiling image v0.24.5
[INFO] [stderr]    Compiling png-dedup v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Err` in this scope
[INFO] [stdout]   --> src/main.rs:39:102
[INFO] [stdout]    |
[INFO] [stdout] 39 |       , _                    => return {std::println!("ERROR :: unexpected argument \"{item:?}\" "); Err(())}
[INFO] [stdout]    |                                                                                                      ^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 3  + use core::result::Result::Err;
[INFO] [stdout]    |
[INFO] [stdout] 3  + use std::result::Result::Err;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `png-dedup` (bin "png-dedup") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "7709670e8c7e87ad2cd59706862284c638da305096c9b24272f4ee92df70589c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7709670e8c7e87ad2cd59706862284c638da305096c9b24272f4ee92df70589c", kill_on_drop: false }`
[INFO] [stdout] 7709670e8c7e87ad2cd59706862284c638da305096c9b24272f4ee92df70589c
