[INFO] cloning repository https://github.com/198d/cs_review
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/198d/cs_review" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F198d%2Fcs_review", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F198d%2Fcs_review'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b5e366f48d630028cc85c8ac05f4a716fc711dd4
[INFO] building 198d/cs_review against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F198d%2Fcs_review" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/198d/cs_review on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/198d/cs_review
[INFO] finished tweaking git repo https://github.com/198d/cs_review
[INFO] tweaked toml for git repo https://github.com/198d/cs_review written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/198d/cs_review already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded itertools v0.5.8
[INFO] [stderr]   Downloaded either v1.0.2
[INFO] [stderr]   Downloaded ndarray v0.7.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac8d8d5acce38a2d53f3a9cc39838df19ee6d4f41918f372f7a1ec25e47eb939
[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" "ac8d8d5acce38a2d53f3a9cc39838df19ee6d4f41918f372f7a1ec25e47eb939", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac8d8d5acce38a2d53f3a9cc39838df19ee6d4f41918f372f7a1ec25e47eb939", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac8d8d5acce38a2d53f3a9cc39838df19ee6d4f41918f372f7a1ec25e47eb939", kill_on_drop: false }`
[INFO] [stdout] ac8d8d5acce38a2d53f3a9cc39838df19ee6d4f41918f372f7a1ec25e47eb939
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36bb2f7bf42e6be5bda86435d2088fb7e8042992dfec98b9f16314e272a8e0da
[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" "36bb2f7bf42e6be5bda86435d2088fb7e8042992dfec98b9f16314e272a8e0da", kill_on_drop: false }`
[INFO] [stderr]    Compiling matrixmultiply v0.1.13
[INFO] [stderr]    Compiling num-traits v0.1.36
[INFO] [stderr]    Compiling either v1.0.2
[INFO] [stderr]    Compiling ndarray v0.7.2
[INFO] [stderr]    Compiling time v0.1.35
[INFO] [stderr]    Compiling itertools v0.5.8
[INFO] [stderr]    Compiling num-complex v0.1.35
[INFO] [stderr]    Compiling cs_review v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[macro_use(s)]
[INFO] [stdout]   |             ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/sorting.rs:2:26
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn selection_sort<T>(mut data: &mut [T])
[INFO] [stdout]   |                          ----^^^^
[INFO] [stdout]   |                          |
[INFO] [stdout]   |                          help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/sorting.rs:25:26
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn insertion_sort<T>(mut data: &mut [T])
[INFO] [stdout]    |                          ----^^^^
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/sorting.rs:110:19
[INFO] [stdout]     |
[INFO] [stdout] 110 |   fn sift_down<T>(mut data: &mut [T], start: usize, end: usize)
[INFO] [stdout]     |                   ----^^^^
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0505]: cannot move out of value because it is borrowed
[INFO] [stdout]    --> src/trees/binary.rs:164:19
[INFO] [stdout]     |
[INFO] [stdout] 162 |                   &mut Some(ref mut node) if node.right.is_some() =>
[INFO] [stdout]     |                             ------------ borrow of value occurs here
[INFO] [stdout] 163 |                     current = &mut node.right,
[INFO] [stdout] 164 |                   edge => {
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   move out of value occurs here
[INFO] [stdout]     |                   borrow later used here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0505`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cs_review`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "36bb2f7bf42e6be5bda86435d2088fb7e8042992dfec98b9f16314e272a8e0da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36bb2f7bf42e6be5bda86435d2088fb7e8042992dfec98b9f16314e272a8e0da", kill_on_drop: false }`
[INFO] [stdout] 36bb2f7bf42e6be5bda86435d2088fb7e8042992dfec98b9f16314e272a8e0da
