[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] testing basile-henry/dither against 1.49.0 for beta-1.50-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbasile-henry%2Fdither" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/basile-henry/dither on toolchain 1.49.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", 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-3/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" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cffb96cc956598dd5a4884b40500e256e32ec70912292d296533ce446f206f48 [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" "cffb96cc956598dd5a4884b40500e256e32ec70912292d296533ce446f206f48", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cffb96cc956598dd5a4884b40500e256e32ec70912292d296533ce446f206f48", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cffb96cc956598dd5a4884b40500e256e32ec70912292d296533ce446f206f48", kill_on_drop: false }` [INFO] [stdout] cffb96cc956598dd5a4884b40500e256e32ec70912292d296533ce446f206f48 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a4706e085ab7a8b5d16446a78d824d97de32041d6b3eaea07d20b2150921f310 [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" "a4706e085ab7a8b5d16446a78d824d97de32041d6b3eaea07d20b2150921f310", kill_on_drop: false }` [INFO] [stderr] Compiling syn v0.15.30 [INFO] [stderr] Compiling num-derive v0.2.4 [INFO] [stderr] Compiling tiff v0.2.2 [INFO] [stderr] Compiling image v0.21.0 [INFO] [stderr] Compiling 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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 27.68s [INFO] running `Command { std: "docker" "inspect" "a4706e085ab7a8b5d16446a78d824d97de32041d6b3eaea07d20b2150921f310", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a4706e085ab7a8b5d16446a78d824d97de32041d6b3eaea07d20b2150921f310", kill_on_drop: false }` [INFO] [stdout] a4706e085ab7a8b5d16446a78d824d97de32041d6b3eaea07d20b2150921f310 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9316a73e2a1325b44c38b6d926b51169b8a366f46f86aa2bd844251a900e2941 [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" "9316a73e2a1325b44c38b6d926b51169b8a366f46f86aa2bd844251a900e2941", kill_on_drop: false }` [INFO] [stderr] Compiling 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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.43s [INFO] running `Command { std: "docker" "inspect" "9316a73e2a1325b44c38b6d926b51169b8a366f46f86aa2bd844251a900e2941", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9316a73e2a1325b44c38b6d926b51169b8a366f46f86aa2bd844251a900e2941", kill_on_drop: false }` [INFO] [stdout] 9316a73e2a1325b44c38b6d926b51169b8a366f46f86aa2bd844251a900e2941 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 16be2bede9e5d09d29fc5fd3d5e0b55d5a549c37976d055a7c323de201002dbb [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" "16be2bede9e5d09d29fc5fd3d5e0b55d5a549c37976d055a7c323de201002dbb", kill_on_drop: false }` [INFO] [stderr] warning: cannot borrow `*to` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/main.rs:42:5 [INFO] [stderr] | [INFO] [stderr] 37 | let [rt, gt, bt] = &to.data; [INFO] [stderr] | -------- immutable borrow occurs here [INFO] [stderr] ... [INFO] [stderr] 42 | to.clone_from(&Rgb([add_err(rt, re), add_err(gt, ge), add_err(bt, be)])); [INFO] [stderr] | ^^ -- immutable borrow later used here [INFO] [stderr] | | [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/dither-1b1da861b99ce619 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "16be2bede9e5d09d29fc5fd3d5e0b55d5a549c37976d055a7c323de201002dbb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "16be2bede9e5d09d29fc5fd3d5e0b55d5a549c37976d055a7c323de201002dbb", kill_on_drop: false }` [INFO] [stdout] 16be2bede9e5d09d29fc5fd3d5e0b55d5a549c37976d055a7c323de201002dbb