[INFO] cloning repository https://github.com/42yeah/automagic-wallpaper-changer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/42yeah/automagic-wallpaper-changer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F42yeah%2Fautomagic-wallpaper-changer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F42yeah%2Fautomagic-wallpaper-changer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b5752d3d75be014e711f1ae3dc044046c0751fd7
[INFO] testing 42yeah/automagic-wallpaper-changer against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F42yeah%2Fautomagic-wallpaper-changer" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/42yeah/automagic-wallpaper-changer on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/42yeah/automagic-wallpaper-changer
[INFO] finished tweaking git repo https://github.com/42yeah/automagic-wallpaper-changer
[INFO] tweaked toml for git repo https://github.com/42yeah/automagic-wallpaper-changer written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/42yeah/automagic-wallpaper-changer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 371e1eaafaeb97dd7afbad258b18e5288991727164358d7ff75e5ea928d03eac
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "371e1eaafaeb97dd7afbad258b18e5288991727164358d7ff75e5ea928d03eac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "371e1eaafaeb97dd7afbad258b18e5288991727164358d7ff75e5ea928d03eac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "371e1eaafaeb97dd7afbad258b18e5288991727164358d7ff75e5ea928d03eac", kill_on_drop: false }`
[INFO] [stdout] 371e1eaafaeb97dd7afbad258b18e5288991727164358d7ff75e5ea928d03eac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e6d98146fc7ab495d82726ba11ec5379415213984dcac9a09ae3389e9b609f2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2e6d98146fc7ab495d82726ba11ec5379415213984dcac9a09ae3389e9b609f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling strum v0.18.0
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling futures-task v0.3.14
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]    Compiling httparse v1.4.0
[INFO] [stderr]    Compiling futures-io v0.3.14
[INFO] [stderr]    Compiling futures-sink v0.3.14
[INFO] [stderr]    Compiling httpdate v1.0.0
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling urlencoding v1.1.1
[INFO] [stderr]    Compiling boxfnonce v0.1.1
[INFO] [stderr]    Compiling openssl-sys v0.9.63
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling webkit2gtk-sys v0.12.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling webview-sys v0.6.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling tinyfiledialogs v3.3.10
[INFO] [stderr]    Compiling tracing-core v0.1.18
[INFO] [stderr]    Compiling unicode-bidi v0.3.5
[INFO] [stderr]    Compiling futures-channel v0.3.14
[INFO] [stderr]    Compiling tinyvec v1.2.0
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling http v0.2.4
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling socket2 v0.4.0
[INFO] [stderr]    Compiling javascriptcore-rs-sys v0.2.0
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling mio v0.7.11
[INFO] [stderr]    Compiling futures-util v0.3.14
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling openssl v0.10.34
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling unicode-normalization v0.1.17
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling http-body v0.4.2
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling tokio-util v0.6.6
[INFO] [stderr]    Compiling tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling h2 v0.3.3
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling thiserror v1.0.24
[INFO] [stderr]    Compiling pin-project v1.0.7
[INFO] [stderr]    Compiling hyper v0.14.7
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling reqwest v0.11.3
[INFO] [stderr]    Compiling system-deps v1.3.2
[INFO] [stderr]    Compiling glib-sys v0.10.1
[INFO] [stderr]    Compiling gobject-sys v0.10.0
[INFO] [stderr]    Compiling gio-sys v0.10.1
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.10.0
[INFO] [stderr]    Compiling pango-sys v0.10.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.10.0
[INFO] [stderr]    Compiling gdk-sys v0.10.0
[INFO] [stderr]    Compiling atk-sys v0.10.0
[INFO] [stderr]    Compiling gtk-sys v0.10.0
[INFO] [stderr]    Compiling soup-sys v0.10.0
[INFO] [stderr]    Compiling web-view v0.7.3
[INFO] [stderr]    Compiling awc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `io`
[INFO] [stdout]   --> src/wallpaper.rs:43:52
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn set_wallpaper(path: &str) -> Result<(), io::Error> {
[INFO] [stdout]    |                                                    ^^ use of undeclared crate or module `io`
[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 E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `awc` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "2e6d98146fc7ab495d82726ba11ec5379415213984dcac9a09ae3389e9b609f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e6d98146fc7ab495d82726ba11ec5379415213984dcac9a09ae3389e9b609f2", kill_on_drop: false }`
[INFO] [stdout] 2e6d98146fc7ab495d82726ba11ec5379415213984dcac9a09ae3389e9b609f2