[INFO] cloning repository https://github.com/necauqua/steganographer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/necauqua/steganographer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnecauqua%2Fsteganographer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnecauqua%2Fsteganographer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6eb896fd679875dc1ee4d191f390e30f83d14a1b
[INFO] testing necauqua/steganographer against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnecauqua%2Fsteganographer" "/workspace/builds/worker-96/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-96/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/necauqua/steganographer on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/necauqua/steganographer
[INFO] finished tweaking git repo https://github.com/necauqua/steganographer
[INFO] tweaked toml for git repo https://github.com/necauqua/steganographer written to /workspace/builds/worker-96/source/Cargo.toml
[INFO] crate git repo https://github.com/necauqua/steganographer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f67c9d5ae743164c305478a82559e6a641fbe634044461e534f11f56da3791f
[INFO] running `Command { std: "docker" "start" "-a" "7f67c9d5ae743164c305478a82559e6a641fbe634044461e534f11f56da3791f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f67c9d5ae743164c305478a82559e6a641fbe634044461e534f11f56da3791f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f67c9d5ae743164c305478a82559e6a641fbe634044461e534f11f56da3791f", kill_on_drop: false }`
[INFO] [stdout] 7f67c9d5ae743164c305478a82559e6a641fbe634044461e534f11f56da3791f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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" "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" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 433e6797dee45f1824c539531bd873dcf98893d1554f24f79d49c9b99d823bb9
[INFO] running `Command { std: "docker" "start" "-a" "433e6797dee45f1824c539531bd873dcf98893d1554f24f79d49c9b99d823bb9", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling byteorder v1.4.2
[INFO] [stderr]    Compiling bytemuck v1.5.0
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling image v0.23.13
[INFO] [stderr]    Compiling syn-mid v0.5.3
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]    Compiling structopt-derive v0.4.0
[INFO] [stderr]    Compiling structopt v0.3.7
[INFO] [stderr]    Compiling steganographer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `GenericImageView`
[INFO] [stdout]   --> src/lib.rs:12:27
[INFO] [stdout]    |
[INFO] [stdout] 12 | use image::{ImageDecoder, GenericImageView};
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:13:38
[INFO] [stdout]    |
[INFO] [stdout] 13 |             encode_into_image(image, data, result, force),
[INFO] [stdout]    |                                      ^^^^
[INFO] [stdout]    |                                      |
[INFO] [stdout]    |                                      expected enum `Option`, found struct `PathBuf`
[INFO] [stdout]    |                                      help: try using a variant of the expected enum: `Some(data)`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `Option<PathBuf>`
[INFO] [stdout]             found struct `PathBuf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:13:44
[INFO] [stdout]    |
[INFO] [stdout] 13 |             encode_into_image(image, data, result, force),
[INFO] [stdout]    |                                            ^^^^^^ expected struct `PathBuf`, found enum `Option`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `PathBuf`
[INFO] [stdout]                 found enum `Option<PathBuf>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `steganographer`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "433e6797dee45f1824c539531bd873dcf98893d1554f24f79d49c9b99d823bb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "433e6797dee45f1824c539531bd873dcf98893d1554f24f79d49c9b99d823bb9", kill_on_drop: false }`
[INFO] [stdout] 433e6797dee45f1824c539531bd873dcf98893d1554f24f79d49c9b99d823bb9
