[INFO] cloning repository https://github.com/fanqin314/image-scheduler-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fanqin314/image-scheduler-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffanqin314%2Fimage-scheduler-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffanqin314%2Fimage-scheduler-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9be77b928cce0392596b7daf1b112fe57e64aa72
[INFO] checking fanqin314/image-scheduler-rs against c999cef531ea9059e189e82fe0e82c5daf249bc9 for pr-152972
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffanqin314%2Fimage-scheduler-rs" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/fanqin314/image-scheduler-rs
[INFO] finished tweaking git repo https://github.com/fanqin314/image-scheduler-rs
[INFO] tweaked toml for git repo https://github.com/fanqin314/image-scheduler-rs written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/fanqin314/image-scheduler-rs on toolchain c999cef531ea9059e189e82fe0e82c5daf249bc9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c999cef531ea9059e189e82fe0e82c5daf249bc9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/fanqin314/image-scheduler-rs 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" "+c999cef531ea9059e189e82fe0e82c5daf249bc9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "b5b15c843ef7f4dab6a2ebddd4b559fcfc3dc51294428719c3266430153fb6cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5b15c843ef7f4dab6a2ebddd4b559fcfc3dc51294428719c3266430153fb6cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b5b15c843ef7f4dab6a2ebddd4b559fcfc3dc51294428719c3266430153fb6cd" "/opt/rustwide/cargo-home/bin/cargo" "+c999cef531ea9059e189e82fe0e82c5daf249bc9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5b15c843ef7f4dab6a2ebddd4b559fcfc3dc51294428719c3266430153fb6cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b5b15c843ef7f4dab6a2ebddd4b559fcfc3dc51294428719c3266430153fb6cd" "/opt/rustwide/cargo-home/bin/cargo" "+c999cef531ea9059e189e82fe0e82c5daf249bc9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]     Checking image-scheduler-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Luma`
[INFO] [stdout]  --> src/visualization.rs:6:51
[INFO] [stdout]   |
[INFO] [stdout] 6 | use image::{DynamicImage, GrayImage, ImageBuffer, Luma, Rgb};
[INFO] [stdout]   |                                                   ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::config::HalfRegion`
[INFO] [stdout]   --> src/main.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | use crate::config::HalfRegion;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Luma`
[INFO] [stdout]  --> src/visualization.rs:6:51
[INFO] [stdout]   |
[INFO] [stdout] 6 | use image::{DynamicImage, GrayImage, ImageBuffer, Luma, Rgb};
[INFO] [stdout]   |                                                   ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::config::HalfRegion`
[INFO] [stdout]   --> src/main.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | use crate::config::HalfRegion;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w`
[INFO] [stdout]    --> src/features.rs:427:10
[INFO] [stdout]     |
[INFO] [stdout] 427 |     let (w, h) = img.dimensions();
[INFO] [stdout]     |          ^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h`
[INFO] [stdout]    --> src/features.rs:427:13
[INFO] [stdout]     |
[INFO] [stdout] 427 |     let (w, h) = img.dimensions();
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_h`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `THRESHOLD_LOCAL` is never used
[INFO] [stdout]   --> src/config.rs:87:11
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub const THRESHOLD_LOCAL: f64 = 0.35;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w`
[INFO] [stdout]    --> src/features.rs:427:10
[INFO] [stdout]     |
[INFO] [stdout] 427 |     let (w, h) = img.dimensions();
[INFO] [stdout]     |          ^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h`
[INFO] [stdout]    --> src/features.rs:427:13
[INFO] [stdout]     |
[INFO] [stdout] 427 |     let (w, h) = img.dimensions();
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_h`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `THRESHOLD_LOCAL` is never used
[INFO] [stdout]   --> src/config.rs:87:11
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub const THRESHOLD_LOCAL: f64 = 0.35;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused dependency `multipart`
[INFO] [stderr]  --> Cargo.toml:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | multipart = "0.18"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `multipart`
[INFO] [stderr] warning: unused dependency `tower`
[INFO] [stderr]   --> Cargo.toml:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | tower = "0.4"
[INFO] [stderr]    | ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: consider removing the dependency on `tower`
[INFO] [stderr] warning: `image-scheduler-rs` (manifest) generated 2 warnings
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 18s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: buf_redux v0.8.4, hyper v0.10.16, multipart v0.18.0, nickel v0.11.0, typemap v0.3.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "b5b15c843ef7f4dab6a2ebddd4b559fcfc3dc51294428719c3266430153fb6cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5b15c843ef7f4dab6a2ebddd4b559fcfc3dc51294428719c3266430153fb6cd", kill_on_drop: false }`
[INFO] [stdout] b5b15c843ef7f4dab6a2ebddd4b559fcfc3dc51294428719c3266430153fb6cd