[INFO] cloning repository https://github.com/basile-henry/dither [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/basile-henry/dither" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbasile-henry%2Fdither", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbasile-henry%2Fdither'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 165ef0ba67db837b3926a7f8ebb6ef017f4297a3 [INFO] checking basile-henry/dither against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbasile-henry%2Fdither" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/basile-henry/dither on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/basile-henry/dither [INFO] finished tweaking git repo https://github.com/basile-henry/dither [INFO] tweaked toml for git repo https://github.com/basile-henry/dither written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/basile-henry/dither already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 0f0533a02b4102d6c985116470c8b73be75374a9a77ca16a91d60754ab62b677 [INFO] running `Command { std: "docker" "start" "-a" "0f0533a02b4102d6c985116470c8b73be75374a9a77ca16a91d60754ab62b677", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0f0533a02b4102d6c985116470c8b73be75374a9a77ca16a91d60754ab62b677", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0f0533a02b4102d6c985116470c8b73be75374a9a77ca16a91d60754ab62b677", kill_on_drop: false }` [INFO] [stdout] 0f0533a02b4102d6c985116470c8b73be75374a9a77ca16a91d60754ab62b677 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 21334b18a27e96dfd8c448f30b858d9d6d7eb91b37e3ba9e0dd8ef39a989916c [INFO] running `Command { std: "docker" "start" "-a" "21334b18a27e96dfd8c448f30b858d9d6d7eb91b37e3ba9e0dd8ef39a989916c", kill_on_drop: false }` [INFO] [stderr] Compiling arrayvec v0.4.10 [INFO] [stderr] Compiling syn v0.15.30 [INFO] [stderr] Compiling num-derive v0.2.4 [INFO] [stderr] Compiling num-iter v0.1.37 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking safe-transmute v0.10.1 [INFO] [stderr] Checking gif v0.10.1 [INFO] [stderr] Compiling proc-macro2 v0.4.27 [INFO] [stderr] Checking libc v0.2.51 [INFO] [stderr] Checking deflate v0.7.19 [INFO] [stderr] Checking num_cpus v1.10.0 [INFO] [stderr] Checking png v0.14.0 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Checking rayon-core v1.4.1 [INFO] [stderr] Checking rayon v1.0.3 [INFO] [stderr] Checking jpeg-decoder v0.1.15 [INFO] [stderr] Checking tiff v0.2.2 [INFO] [stderr] Checking image v0.21.0 [INFO] [stderr] Checking dither v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: cannot borrow `*to` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/main.rs:42:5 [INFO] [stdout] | [INFO] [stdout] 37 | let [rt, gt, bt] = &to.data; [INFO] [stdout] | -------- immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 42 | to.clone_from(&Rgb([add_err(rt, re), add_err(gt, ge), add_err(bt, be)])); [INFO] [stdout] | ^^ -- immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `*to` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/main.rs:42:5 [INFO] [stdout] | [INFO] [stdout] 37 | let [rt, gt, bt] = &to.data; [INFO] [stdout] | -------- immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 42 | to.clone_from(&Rgb([add_err(rt, re), add_err(gt, ge), add_err(bt, be)])); [INFO] [stdout] | ^^ -- immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 24.98s [INFO] running `Command { std: "docker" "inspect" "21334b18a27e96dfd8c448f30b858d9d6d7eb91b37e3ba9e0dd8ef39a989916c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "21334b18a27e96dfd8c448f30b858d9d6d7eb91b37e3ba9e0dd8ef39a989916c", kill_on_drop: false }` [INFO] [stdout] 21334b18a27e96dfd8c448f30b858d9d6d7eb91b37e3ba9e0dd8ef39a989916c