[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] testing maxastyler/brusselator against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxastyler%2Fbrusselator" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/maxastyler/brusselator on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-4/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serde-pickle v0.4.1 [INFO] [stderr] Downloaded iter-read v0.1.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 826e36a759e95b958dd4e0001bd13a4835f36fb7a7e0e1161a8305735ec24fcd [INFO] running `Command { std: "docker" "start" "-a" "826e36a759e95b958dd4e0001bd13a4835f36fb7a7e0e1161a8305735ec24fcd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "826e36a759e95b958dd4e0001bd13a4835f36fb7a7e0e1161a8305735ec24fcd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "826e36a759e95b958dd4e0001bd13a4835f36fb7a7e0e1161a8305735ec24fcd", kill_on_drop: false }` [INFO] [stdout] 826e36a759e95b958dd4e0001bd13a4835f36fb7a7e0e1161a8305735ec24fcd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f3e6f8ba850feaf2965832d1e719187fac7613e776eb68e88f97164617759aeb [INFO] running `Command { std: "docker" "start" "-a" "f3e6f8ba850feaf2965832d1e719187fac7613e776eb68e88f97164617759aeb", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.50 [INFO] [stderr] Compiling autocfg v0.1.2 [INFO] [stderr] Compiling rand_core v0.4.0 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling lazy_static v1.3.0 [INFO] [stderr] Compiling stable_deref_trait v1.1.1 [INFO] [stderr] Compiling ucd-util v0.1.3 [INFO] [stderr] Compiling regex v1.1.2 [INFO] [stderr] Compiling scopeguard v0.3.3 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Compiling smallvec v0.6.9 [INFO] [stderr] Compiling unicode-width v0.1.5 [INFO] [stderr] Compiling serde v1.0.89 [INFO] [stderr] Compiling byteorder v1.3.1 [INFO] [stderr] Compiling utf8-ranges v1.0.2 [INFO] [stderr] Compiling rustc-serialize v0.3.24 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling strsim v0.7.0 [INFO] [stderr] Compiling iter-read v0.1.0 [INFO] [stderr] Compiling number_prefix v0.2.8 [INFO] [stderr] Compiling owning_ref v0.4.0 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling regex-syntax v0.6.5 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling textwrap v0.10.0 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.3 [INFO] [stderr] Compiling lock_api v0.1.5 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling aho-corasick v0.6.10 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling termios v0.3.1 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling clicolors-control v1.0.0 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Compiling clap v2.32.0 [INFO] [stderr] Compiling num-bigint v0.1.44 [INFO] [stderr] Compiling parking_lot v0.7.1 [INFO] [stderr] Compiling console v0.7.5 [INFO] [stderr] Compiling indicatif v0.11.0 [INFO] [stderr] Compiling serde-pickle v0.4.1 [INFO] [stderr] Compiling 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] warning: 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: `#[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 `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] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 15.00s [INFO] running `Command { std: "docker" "inspect" "f3e6f8ba850feaf2965832d1e719187fac7613e776eb68e88f97164617759aeb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f3e6f8ba850feaf2965832d1e719187fac7613e776eb68e88f97164617759aeb", kill_on_drop: false }` [INFO] [stdout] f3e6f8ba850feaf2965832d1e719187fac7613e776eb68e88f97164617759aeb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c85c910dca5376a177e7f99b2c336d9a7ff0b4e860572c710cfb4a77772a7491 [INFO] running `Command { std: "docker" "start" "-a" "c85c910dca5376a177e7f99b2c336d9a7ff0b4e860572c710cfb4a77772a7491", kill_on_drop: false }` [INFO] [stderr] Compiling 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] warning: 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: `#[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 `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] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.82s [INFO] running `Command { std: "docker" "inspect" "c85c910dca5376a177e7f99b2c336d9a7ff0b4e860572c710cfb4a77772a7491", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c85c910dca5376a177e7f99b2c336d9a7ff0b4e860572c710cfb4a77772a7491", kill_on_drop: false }` [INFO] [stdout] c85c910dca5376a177e7f99b2c336d9a7ff0b4e860572c710cfb4a77772a7491 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 4483d4682829b215356cd91fbb474dd50c8e9df3f539a6c8d8376a1a24b05630 [INFO] running `Command { std: "docker" "start" "-a" "4483d4682829b215356cd91fbb474dd50c8e9df3f539a6c8d8376a1a24b05630", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `SubCommand` [INFO] [stderr] --> src/main.rs:18:22 [INFO] [stderr] | [INFO] [stderr] 18 | use clap::{App, Arg, SubCommand}; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `positions` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/main.rs:51:9 [INFO] [stderr] | [INFO] [stderr] 48 | let (x, y) = positions.last().unwrap(); [INFO] [stderr] | --------- immutable borrow occurs here [INFO] [stderr] ... [INFO] [stderr] 51 | positions.push(( [INFO] [stderr] | ^^^^^^^^^ mutable borrow occurs here [INFO] [stderr] 52 | x + (1.0 - (b + 1.0) * x + a * x.powi(2) * y) * dt + (g[0] * w0 + g[1] * w1) * sq_dt, [INFO] [stderr] | - immutable borrow later used 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: cannot borrow `positions` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/main.rs:76:9 [INFO] [stderr] | [INFO] [stderr] 73 | let (x, y) = positions.last().unwrap(); [INFO] [stderr] | --------- immutable borrow occurs here [INFO] [stderr] ... [INFO] [stderr] 76 | positions.push(( [INFO] [stderr] | ^^^^^^^^^ mutable borrow occurs here [INFO] [stderr] 77 | x + (1.0 - (b + 1.0) * x + a * x.powi(2) * y) * dt + (g[0] * w0 + g[1] * w1) * sq_dt, [INFO] [stderr] | - immutable borrow later used here [INFO] [stderr] | [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: `brusselator` (bin "brusselator" test) generated 3 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.17s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/brusselator-54a02ad11b815691) [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; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "4483d4682829b215356cd91fbb474dd50c8e9df3f539a6c8d8376a1a24b05630", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4483d4682829b215356cd91fbb474dd50c8e9df3f539a6c8d8376a1a24b05630", kill_on_drop: false }` [INFO] [stdout] 4483d4682829b215356cd91fbb474dd50c8e9df3f539a6c8d8376a1a24b05630