[INFO] cloning repository https://github.com/imjacobclark/wasm-image
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/imjacobclark/wasm-image" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimjacobclark%2Fwasm-image", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimjacobclark%2Fwasm-image'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0fec0e1753ce2226c7f94d82f95553e03c385a80
[INFO] checking imjacobclark/wasm-image against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimjacobclark%2Fwasm-image" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/imjacobclark/wasm-image on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/imjacobclark/wasm-image
[INFO] finished tweaking git repo https://github.com/imjacobclark/wasm-image
[INFO] tweaked toml for git repo https://github.com/imjacobclark/wasm-image written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/imjacobclark/wasm-image already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: file found to be present in multiple build targets: /workspace/builds/worker-6/source/src/main.rs
[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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d9168b88ce11b19cba7449b88133dad6746515361e15f0a76f02c9b7ff83e7c
[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" "0d9168b88ce11b19cba7449b88133dad6746515361e15f0a76f02c9b7ff83e7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d9168b88ce11b19cba7449b88133dad6746515361e15f0a76f02c9b7ff83e7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d9168b88ce11b19cba7449b88133dad6746515361e15f0a76f02c9b7ff83e7c", kill_on_drop: false }`
[INFO] [stdout] 0d9168b88ce11b19cba7449b88133dad6746515361e15f0a76f02c9b7ff83e7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc76c27a70017127a41d542220d85b3f2706ba1117ffcf4a4f5ade6185344d90
[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" "fc76c27a70017127a41d542220d85b3f2706ba1117ffcf4a4f5ade6185344d90", kill_on_drop: false }`
[INFO] [stderr] warning: file found to be present in multiple build targets: /opt/rustwide/workdir/src/main.rs
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.68
[INFO] [stderr]    Compiling bumpalo v3.4.0
[INFO] [stderr]     Checking weezl v0.1.2
[INFO] [stderr]    Compiling wasm-bindgen v0.2.68
[INFO] [stderr]    Compiling num-rational v0.3.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking gif v0.11.1
[INFO] [stderr]     Checking tiff v0.6.0
[INFO] [stderr]     Checking image v0.23.11
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.68
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.68
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.68
[INFO] [stderr]     Checking image-wasm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0601]: `main` function not found in crate `image_wasm`
[INFO] [stdout]   --> src/main.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | / use std::io::{Cursor, Read, Seek, SeekFrom};
[INFO] [stdout] 2  | | use std::panic;
[INFO] [stdout] 3  | |
[INFO] [stdout] 4  | | use image::ImageFormat;
[INFO] [stdout] ...  |
[INFO] [stdout] 49 | |     return get_image_as_array(img);
[INFO] [stdout] 50 | | }
[INFO] [stdout]    | |_^ consider adding a `main` function to `src/main.rs`
[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 E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `image-wasm`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "fc76c27a70017127a41d542220d85b3f2706ba1117ffcf4a4f5ade6185344d90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc76c27a70017127a41d542220d85b3f2706ba1117ffcf4a4f5ade6185344d90", kill_on_drop: false }`
[INFO] [stdout] fc76c27a70017127a41d542220d85b3f2706ba1117ffcf4a4f5ade6185344d90