[INFO] cloning repository https://github.com/garyemerson/circular_walk [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/garyemerson/circular_walk" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgaryemerson%2Fcircular_walk", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgaryemerson%2Fcircular_walk'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0815ede4471340cf97ed3207bcd4d5b3c09c6e62 [INFO] testing garyemerson/circular_walk against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgaryemerson%2Fcircular_walk" "/workspace/builds/worker-117/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-117/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/garyemerson/circular_walk on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/garyemerson/circular_walk [INFO] finished tweaking git repo https://github.com/garyemerson/circular_walk [INFO] tweaked toml for git repo https://github.com/garyemerson/circular_walk written to /workspace/builds/worker-117/source/Cargo.toml [INFO] crate git repo https://github.com/garyemerson/circular_walk already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5cf210911b0cceef5030add0630219a7f81c9303edc1f4d4e2ccc676f5a9c43a [INFO] running `Command { std: "docker" "start" "-a" "5cf210911b0cceef5030add0630219a7f81c9303edc1f4d4e2ccc676f5a9c43a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5cf210911b0cceef5030add0630219a7f81c9303edc1f4d4e2ccc676f5a9c43a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5cf210911b0cceef5030add0630219a7f81c9303edc1f4d4e2ccc676f5a9c43a", kill_on_drop: false }` [INFO] [stdout] 5cf210911b0cceef5030add0630219a7f81c9303edc1f4d4e2ccc676f5a9c43a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2aa176867e465d16a116e1564884dfbde094c376daa756d3f0ca3d02b843ea14 [INFO] running `Command { std: "docker" "start" "-a" "2aa176867e465d16a116e1564884dfbde094c376daa756d3f0ca3d02b843ea14", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling circular_walk v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:65:63 [INFO] [stdout] | [INFO] [stdout] 65 | fn get_neighbours(node: usize, n: usize, reach: usize) -> Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around method argument [INFO] [stdout] --> src/main.rs:79:35 [INFO] [stdout] | [INFO] [stdout] 79 | Box::new((start..n).chain((0..(end + 1)))) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 79 - Box::new((start..n).chain((0..(end + 1)))) [INFO] [stdout] 79 + Box::new((start..n).chain(0..(end + 1))) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/main.rs:81:18 [INFO] [stdout] | [INFO] [stdout] 81 | Box::new((start..(end + 1))) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 81 - Box::new((start..(end + 1))) [INFO] [stdout] 81 + Box::new(start..(end + 1)) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 41.11s [INFO] running `Command { std: "docker" "inspect" "2aa176867e465d16a116e1564884dfbde094c376daa756d3f0ca3d02b843ea14", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2aa176867e465d16a116e1564884dfbde094c376daa756d3f0ca3d02b843ea14", kill_on_drop: false }` [INFO] [stdout] 2aa176867e465d16a116e1564884dfbde094c376daa756d3f0ca3d02b843ea14 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7042f820fa2e11f46344c3d97a4c2434f9216cc80406a7de1e8e0a0079c9806c [INFO] running `Command { std: "docker" "start" "-a" "7042f820fa2e11f46344c3d97a4c2434f9216cc80406a7de1e8e0a0079c9806c", kill_on_drop: false }` [INFO] [stderr] Compiling circular_walk v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:65:63 [INFO] [stdout] | [INFO] [stdout] 65 | fn get_neighbours(node: usize, n: usize, reach: usize) -> Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around method argument [INFO] [stdout] --> src/main.rs:79:35 [INFO] [stdout] | [INFO] [stdout] 79 | Box::new((start..n).chain((0..(end + 1)))) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 79 - Box::new((start..n).chain((0..(end + 1)))) [INFO] [stdout] 79 + Box::new((start..n).chain(0..(end + 1))) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/main.rs:81:18 [INFO] [stdout] | [INFO] [stdout] 81 | Box::new((start..(end + 1))) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 81 - Box::new((start..(end + 1))) [INFO] [stdout] 81 + Box::new(start..(end + 1)) [INFO] [stdout] | [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" "7042f820fa2e11f46344c3d97a4c2434f9216cc80406a7de1e8e0a0079c9806c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7042f820fa2e11f46344c3d97a4c2434f9216cc80406a7de1e8e0a0079c9806c", kill_on_drop: false }` [INFO] [stdout] 7042f820fa2e11f46344c3d97a4c2434f9216cc80406a7de1e8e0a0079c9806c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] cffe005902cd5fb53b7866ca736ca265ab71fd700a99c9f1ea51a1d15fdf7a77 [INFO] running `Command { std: "docker" "start" "-a" "cffe005902cd5fb53b7866ca736ca265ab71fd700a99c9f1ea51a1d15fdf7a77", kill_on_drop: false }` [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:65:63 [INFO] [stderr] | [INFO] [stderr] 65 | fn get_neighbours(node: usize, n: usize, reach: usize) -> Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around method argument [INFO] [stderr] --> src/main.rs:79:35 [INFO] [stderr] | [INFO] [stderr] 79 | Box::new((start..n).chain((0..(end + 1)))) [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 79 - Box::new((start..n).chain((0..(end + 1)))) [INFO] [stderr] 79 + Box::new((start..n).chain(0..(end + 1))) [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/main.rs:81:18 [INFO] [stderr] | [INFO] [stderr] 81 | Box::new((start..(end + 1))) [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 81 - Box::new((start..(end + 1))) [INFO] [stderr] 81 + Box::new(start..(end + 1)) [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `circular_walk` (bin "circular_walk" test) generated 3 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/circular_walk-c2a4411c09a2b584) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test alread_there ... ok [INFO] [stdout] test back_and_forth ... ok [INFO] [stdout] test no_path ... ok [INFO] [stdout] test no_path2 ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "cffe005902cd5fb53b7866ca736ca265ab71fd700a99c9f1ea51a1d15fdf7a77", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cffe005902cd5fb53b7866ca736ca265ab71fd700a99c9f1ea51a1d15fdf7a77", kill_on_drop: false }` [INFO] [stdout] cffe005902cd5fb53b7866ca736ca265ab71fd700a99c9f1ea51a1d15fdf7a77