[INFO] cloning repository https://github.com/PerpetualColor/flag-edge-matcher
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PerpetualColor/flag-edge-matcher" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPerpetualColor%2Fflag-edge-matcher", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPerpetualColor%2Fflag-edge-matcher'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c0e291e348a0cdc50a5febd97bdde7d97eafcd82
[INFO] checking PerpetualColor/flag-edge-matcher against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPerpetualColor%2Fflag-edge-matcher" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/PerpetualColor/flag-edge-matcher
[INFO] finished tweaking git repo https://github.com/PerpetualColor/flag-edge-matcher
[INFO] tweaked toml for git repo https://github.com/PerpetualColor/flag-edge-matcher written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/PerpetualColor/flag-edge-matcher on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/PerpetualColor/flag-edge-matcher 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 371c4d60b9c2dccbbdceae70a0a895bb7025cd57d7d1531fae324c306d611c2d
[INFO] running `Command { std: "docker" "start" "-a" "371c4d60b9c2dccbbdceae70a0a895bb7025cd57d7d1531fae324c306d611c2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "371c4d60b9c2dccbbdceae70a0a895bb7025cd57d7d1531fae324c306d611c2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "371c4d60b9c2dccbbdceae70a0a895bb7025cd57d7d1531fae324c306d611c2d", kill_on_drop: false }`
[INFO] [stdout] 371c4d60b9c2dccbbdceae70a0a895bb7025cd57d7d1531fae324c306d611c2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=forbid" "-e" "RUSTDOCFLAGS=--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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17093bc81b1d9918b51c3cc4d820104d538fb476a42f66e2033e10029a39f72f
[INFO] running `Command { std: "docker" "start" "-a" "17093bc81b1d9918b51c3cc4d820104d538fb476a42f66e2033e10029a39f72f", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking weezl v0.1.5
[INFO] [stderr]     Checking shared v0.1.0 (/opt/rustwide/workdir/src/shared)
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking gif v0.11.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking rayon v1.5.1
[INFO] [stderr]     Checking flag-matcher v0.1.0 (/opt/rustwide/workdir/src/flag-matcher)
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/flag-matcher/src/main.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 58 | struct FlagInfo {
[INFO] [stdout]    |        -------- field in this struct
[INFO] [stdout] 59 |     id: String,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FlagInfo` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/flag-matcher/src/main.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 58 | struct FlagInfo {
[INFO] [stdout]    |        -------- field in this struct
[INFO] [stdout] 59 |     id: String,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FlagInfo` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking graph-to-flag-img v0.1.0 (/opt/rustwide/workdir/src/graph-to-flag-img)
[INFO] [stderr]     Checking edge-gen v0.1.0 (/opt/rustwide/workdir/src/edge-gen)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/edge-gen/src/main.rs:44:34
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn new(side: Sides, img: &image::ImageBuffer<Pixel, Vec<u8>>) -> SideIterator {
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^     ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                  |
[INFO] [stdout]    |                                  the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn new(side: Sides, img: &image::ImageBuffer<Pixel, Vec<u8>>) -> SideIterator<'_> {
[INFO] [stdout]    |                                                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/edge-gen/src/main.rs:44:34
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn new(side: Sides, img: &image::ImageBuffer<Pixel, Vec<u8>>) -> SideIterator {
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^     ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                  |
[INFO] [stdout]    |                                  the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn new(side: Sides, img: &image::ImageBuffer<Pixel, Vec<u8>>) -> SideIterator<'_> {
[INFO] [stdout]    |                                                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.36s
[INFO] running `Command { std: "docker" "inspect" "17093bc81b1d9918b51c3cc4d820104d538fb476a42f66e2033e10029a39f72f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17093bc81b1d9918b51c3cc4d820104d538fb476a42f66e2033e10029a39f72f", kill_on_drop: false }`
[INFO] [stdout] 17093bc81b1d9918b51c3cc4d820104d538fb476a42f66e2033e10029a39f72f
