[INFO] cloning repository https://github.com/maxastyler/brusselator [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maxastyler/brusselator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxastyler%2Fbrusselator", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxastyler%2Fbrusselator'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7f30181b702fcf847d4c70508ff082f37bab976c [INFO] checking maxastyler/brusselator against try#b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f for pr-76104 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxastyler%2Fbrusselator" "/workspace/builds/worker-12/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/maxastyler/brusselator on toolchain b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/maxastyler/brusselator [INFO] finished tweaking git repo https://github.com/maxastyler/brusselator [INFO] tweaked toml for git repo https://github.com/maxastyler/brusselator written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/maxastyler/brusselator already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded iter-read v0.1.0 [INFO] [stderr] Downloaded serde-pickle v0.4.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 81cb74a9cd9f3c48ed2aec384c43711a8497d92ea7ff17c4a1e6189fa0bc6261 [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" "81cb74a9cd9f3c48ed2aec384c43711a8497d92ea7ff17c4a1e6189fa0bc6261", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "81cb74a9cd9f3c48ed2aec384c43711a8497d92ea7ff17c4a1e6189fa0bc6261", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "81cb74a9cd9f3c48ed2aec384c43711a8497d92ea7ff17c4a1e6189fa0bc6261", kill_on_drop: false }` [INFO] [stdout] 81cb74a9cd9f3c48ed2aec384c43711a8497d92ea7ff17c4a1e6189fa0bc6261 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cba4c3a0802144316050f5d0c31b6aab155e2511a563e39244a8c984f50a4a7b [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" "cba4c3a0802144316050f5d0c31b6aab155e2511a563e39244a8c984f50a4a7b", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling serde v1.0.89 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Checking iter-read v0.1.0 [INFO] [stderr] Checking strsim v0.7.0 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking termios v0.3.1 [INFO] [stderr] Checking clicolors-control v1.0.0 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking number_prefix v0.2.8 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Checking clap v2.32.0 [INFO] [stderr] Checking rand v0.6.5 [INFO] [stderr] Checking aho-corasick v0.6.10 [INFO] [stderr] Checking regex v1.1.2 [INFO] [stderr] Checking parking_lot v0.7.1 [INFO] [stderr] Checking num-bigint v0.1.44 [INFO] [stderr] Checking console v0.7.5 [INFO] [stderr] Checking indicatif v0.11.0 [INFO] [stderr] Checking serde-pickle v0.4.1 [INFO] [stderr] Checking brusselator v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `SubCommand` [INFO] [stdout] --> src/main.rs:18:22 [INFO] [stdout] | [INFO] [stdout] 18 | use clap::{App, Arg, SubCommand}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: cannot borrow `positions` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/main.rs:51:9 [INFO] [stdout] | [INFO] [stdout] 48 | let (x, y) = positions.last().unwrap(); [INFO] [stdout] | --------- immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 51 | positions.push(( [INFO] [stdout] | ^^^^^^^^^ mutable borrow occurs here [INFO] [stdout] 52 | x + (1.0 - (b + 1.0) * x + a * x.powi(2) * y) * dt + (g[0] * w0 + g[1] * w1) * sq_dt, [INFO] [stdout] | - immutable borrow later used here [INFO] [stdout] | [INFO] [stdout] = note: `#[deny(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] error: cannot borrow `positions` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/main.rs:76:9 [INFO] [stdout] | [INFO] [stdout] 73 | let (x, y) = positions.last().unwrap(); [INFO] [stdout] | --------- immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 76 | positions.push(( [INFO] [stdout] | ^^^^^^^^^ mutable borrow occurs here [INFO] [stdout] 77 | x + (1.0 - (b + 1.0) * x + a * x.powi(2) * y) * dt + (g[0] * w0 + g[1] * w1) * sq_dt, [INFO] [stdout] | - immutable borrow later used here [INFO] [stdout] | [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] error: aborting due to 2 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `brusselator` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unused import: `SubCommand` [INFO] [stdout] --> src/main.rs:18:22 [INFO] [stdout] | [INFO] [stdout] 18 | use clap::{App, Arg, SubCommand}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: cannot borrow `positions` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/main.rs:51:9 [INFO] [stdout] | [INFO] [stdout] 48 | let (x, y) = positions.last().unwrap(); [INFO] [stdout] | --------- immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 51 | positions.push(( [INFO] [stdout] | ^^^^^^^^^ mutable borrow occurs here [INFO] [stdout] 52 | x + (1.0 - (b + 1.0) * x + a * x.powi(2) * y) * dt + (g[0] * w0 + g[1] * w1) * sq_dt, [INFO] [stdout] | - immutable borrow later used here [INFO] [stdout] | [INFO] [stdout] = note: `#[deny(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] error: cannot borrow `positions` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/main.rs:76:9 [INFO] [stdout] | [INFO] [stdout] 73 | let (x, y) = positions.last().unwrap(); [INFO] [stdout] | --------- immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 76 | positions.push(( [INFO] [stdout] | ^^^^^^^^^ mutable borrow occurs here [INFO] [stdout] 77 | x + (1.0 - (b + 1.0) * x + a * x.powi(2) * y) * dt + (g[0] * w0 + g[1] * w1) * sq_dt, [INFO] [stdout] | - immutable borrow later used here [INFO] [stdout] | [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] error: aborting due to 2 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "cba4c3a0802144316050f5d0c31b6aab155e2511a563e39244a8c984f50a4a7b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cba4c3a0802144316050f5d0c31b6aab155e2511a563e39244a8c984f50a4a7b", kill_on_drop: false }` [INFO] [stdout] cba4c3a0802144316050f5d0c31b6aab155e2511a563e39244a8c984f50a4a7b