[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#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbasile-henry%2Fdither" "/workspace/builds/worker-29/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-29/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/basile-henry/dither on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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-29/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2673e3bee806953adcbab276f4b73759d39677d0b6306362dde1241a6d742552 [INFO] running `Command { std: "docker" "start" "-a" "2673e3bee806953adcbab276f4b73759d39677d0b6306362dde1241a6d742552", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2673e3bee806953adcbab276f4b73759d39677d0b6306362dde1241a6d742552", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2673e3bee806953adcbab276f4b73759d39677d0b6306362dde1241a6d742552", kill_on_drop: false }` [INFO] [stdout] 2673e3bee806953adcbab276f4b73759d39677d0b6306362dde1241a6d742552 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 288f328a89ed5c582d8e0c552a65d013719227d1dcaf77583d18ada3f8540e31 [INFO] running `Command { std: "docker" "start" "-a" "288f328a89ed5c582d8e0c552a65d013719227d1dcaf77583d18ada3f8540e31", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] Running `cargo fix --edition` [INFO] [stderr] Compiling arrayvec v0.4.10 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Compiling libc v0.2.51 [INFO] [stderr] Compiling byteorder v1.3.1 [INFO] [stderr] Checking cfg-if v0.1.7 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Compiling proc-macro2 v0.4.27 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Compiling rayon-core v1.4.1 [INFO] [stderr] Compiling syn v0.15.30 [INFO] [stderr] Compiling rayon v1.0.3 [INFO] [stderr] Checking adler32 v1.0.3 [INFO] [stderr] Compiling num-derive v0.2.4 [INFO] [stderr] Compiling num-iter v0.1.37 [INFO] [stderr] Checking lzw v0.10.0 [INFO] [stderr] Compiling num-rational v0.2.1 [INFO] [stderr] Checking color_quant v1.0.1 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking safe-transmute v0.10.1 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Checking inflate v0.4.5 [INFO] [stderr] Checking gif v0.10.1 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Checking deflate v0.7.19 [INFO] [stderr] Checking num-integer v0.1.39 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Checking png v0.14.0 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Checking num_cpus v1.10.0 [INFO] [stderr] Checking tiff v0.2.2 [INFO] [stderr] Checking jpeg-decoder v0.1.15 [INFO] [stderr] Checking image v0.21.0 [INFO] [stderr] Checking dither v0.1.0 (/tmp/fixit) [INFO] [stderr] Migrating src/main.rs from 2018 edition to 2021 [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: 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] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 19.94s [INFO] [stderr] Running `cargo check` to verify 2021 [INFO] [stderr] Checking dither v0.1.0 (/tmp/fixit) [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 0.32s [INFO] running `Command { std: "docker" "inspect" "288f328a89ed5c582d8e0c552a65d013719227d1dcaf77583d18ada3f8540e31", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "288f328a89ed5c582d8e0c552a65d013719227d1dcaf77583d18ada3f8540e31", kill_on_drop: false }` [INFO] [stdout] 288f328a89ed5c582d8e0c552a65d013719227d1dcaf77583d18ada3f8540e31