[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 beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbasile-henry%2Fdither" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/basile-henry/dither on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "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-7/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" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f068263ca3235d80d20191bb6b31e3dc1a0f77c789dd143a2cfec7455326dd1b
[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" "f068263ca3235d80d20191bb6b31e3dc1a0f77c789dd143a2cfec7455326dd1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f068263ca3235d80d20191bb6b31e3dc1a0f77c789dd143a2cfec7455326dd1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f068263ca3235d80d20191bb6b31e3dc1a0f77c789dd143a2cfec7455326dd1b", kill_on_drop: false }`
[INFO] [stdout] f068263ca3235d80d20191bb6b31e3dc1a0f77c789dd143a2cfec7455326dd1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a34b950e2d12ae8d7a59b85d497aae2dd3302f1689a9438da2aafcaf5ec6c4b
[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" "9a34b950e2d12ae8d7a59b85d497aae2dd3302f1689a9438da2aafcaf5ec6c4b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.30
[INFO] [stderr]    Compiling num-derive v0.2.4
[INFO] [stderr]    Compiling safe-transmute v0.10.1
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling png v0.14.0
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[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 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.14s
[INFO] running `Command { std: "docker" "inspect" "9a34b950e2d12ae8d7a59b85d497aae2dd3302f1689a9438da2aafcaf5ec6c4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a34b950e2d12ae8d7a59b85d497aae2dd3302f1689a9438da2aafcaf5ec6c4b", kill_on_drop: false }`
[INFO] [stdout] 9a34b950e2d12ae8d7a59b85d497aae2dd3302f1689a9438da2aafcaf5ec6c4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a158dba1061991d6be1f4799b73b46b84185f9abf321446c62ade922b37fd96
[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" "1a158dba1061991d6be1f4799b73b46b84185f9abf321446c62ade922b37fd96", 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 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.08s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1a158dba1061991d6be1f4799b73b46b84185f9abf321446c62ade922b37fd96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a158dba1061991d6be1f4799b73b46b84185f9abf321446c62ade922b37fd96", kill_on_drop: false }`
[INFO] [stdout] 1a158dba1061991d6be1f4799b73b46b84185f9abf321446c62ade922b37fd96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6a2d49cf521379d50dbe2b3c327c0d68af9dd776abccc08a125139f11f52f9aa
[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" "6a2d49cf521379d50dbe2b3c327c0d68af9dd776abccc08a125139f11f52f9aa", 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 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/dither-ada5f006d6e69dc5
[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" "6a2d49cf521379d50dbe2b3c327c0d68af9dd776abccc08a125139f11f52f9aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a2d49cf521379d50dbe2b3c327c0d68af9dd776abccc08a125139f11f52f9aa", kill_on_drop: false }`
[INFO] [stdout] 6a2d49cf521379d50dbe2b3c327c0d68af9dd776abccc08a125139f11f52f9aa
