[INFO] cloning repository https://github.com/LegendarySaiyan/structures [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LegendarySaiyan/structures" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLegendarySaiyan%2Fstructures", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLegendarySaiyan%2Fstructures'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f375d1f242c501951f7a3a6c49a09a7895f57326 [INFO] testing LegendarySaiyan/structures against try#ed7f3d77595b4831fdf085f2529aa13b5b51ff7d for pr-134530 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLegendarySaiyan%2Fstructures" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/LegendarySaiyan/structures on toolchain ed7f3d77595b4831fdf085f2529aa13b5b51ff7d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/LegendarySaiyan/structures [INFO] finished tweaking git repo https://github.com/LegendarySaiyan/structures [INFO] tweaked toml for git repo https://github.com/LegendarySaiyan/structures written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/LegendarySaiyan/structures already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2219d1337cfcb0be7ac92c34fb1e637d8496f13aba88245ca041f747f2e0f25d [INFO] running `Command { std: "docker" "start" "-a" "2219d1337cfcb0be7ac92c34fb1e637d8496f13aba88245ca041f747f2e0f25d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2219d1337cfcb0be7ac92c34fb1e637d8496f13aba88245ca041f747f2e0f25d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2219d1337cfcb0be7ac92c34fb1e637d8496f13aba88245ca041f747f2e0f25d", kill_on_drop: false }` [INFO] [stdout] 2219d1337cfcb0be7ac92c34fb1e637d8496f13aba88245ca041f747f2e0f25d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7481852461c88a3a49704ea2c7c5ad29e5e52db8a946cf77369bae695a9d873e [INFO] running `Command { std: "docker" "start" "-a" "7481852461c88a3a49704ea2c7c5ad29e5e52db8a946cf77369bae695a9d873e", kill_on_drop: false }` [INFO] [stderr] Compiling structures v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `left` is never read [INFO] [stdout] --> src/binary_tree.rs:272:17 [INFO] [stdout] | [INFO] [stdout] 272 | let mut left = std::option::Option::None; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `right` is never read [INFO] [stdout] --> src/binary_tree.rs:273:17 [INFO] [stdout] | [INFO] [stdout] 273 | let mut right = std::option::Option::None; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `parent` is never read [INFO] [stdout] --> src/binary_tree.rs:274:17 [INFO] [stdout] | [INFO] [stdout] 274 | let mut parent = std::option::Option::None; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `x` is never read [INFO] [stdout] --> src/red_black_tree.rs:343:17 [INFO] [stdout] | [INFO] [stdout] 343 | let mut x = None; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/red_black_tree.rs:396:13 [INFO] [stdout] | [INFO] [stdout] 396 | let mut x_ptr = x.unwrap().as_ptr(); [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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.34s [INFO] running `Command { std: "docker" "inspect" "7481852461c88a3a49704ea2c7c5ad29e5e52db8a946cf77369bae695a9d873e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7481852461c88a3a49704ea2c7c5ad29e5e52db8a946cf77369bae695a9d873e", kill_on_drop: false }` [INFO] [stdout] 7481852461c88a3a49704ea2c7c5ad29e5e52db8a946cf77369bae695a9d873e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7a0eb0c8b994ecd9ae3f30a726934436a5e03c21ab7a84b9f57445178688c9cc [INFO] running `Command { std: "docker" "start" "-a" "7a0eb0c8b994ecd9ae3f30a726934436a5e03c21ab7a84b9f57445178688c9cc", kill_on_drop: false }` [INFO] [stderr] Compiling structures v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `left` is never read [INFO] [stdout] --> src/binary_tree.rs:272:17 [INFO] [stdout] | [INFO] [stdout] 272 | let mut left = std::option::Option::None; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `right` is never read [INFO] [stdout] --> src/binary_tree.rs:273:17 [INFO] [stdout] | [INFO] [stdout] 273 | let mut right = std::option::Option::None; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `parent` is never read [INFO] [stdout] --> src/binary_tree.rs:274:17 [INFO] [stdout] | [INFO] [stdout] 274 | let mut parent = std::option::Option::None; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `x` is never read [INFO] [stdout] --> src/red_black_tree.rs:343:17 [INFO] [stdout] | [INFO] [stdout] 343 | let mut x = None; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/red_black_tree.rs:396:13 [INFO] [stdout] | [INFO] [stdout] 396 | let mut x_ptr = x.unwrap().as_ptr(); [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: value assigned to `left` is never read [INFO] [stdout] --> src/binary_tree.rs:272:17 [INFO] [stdout] | [INFO] [stdout] 272 | let mut left = std::option::Option::None; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `right` is never read [INFO] [stdout] --> src/binary_tree.rs:273:17 [INFO] [stdout] | [INFO] [stdout] 273 | let mut right = std::option::Option::None; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `parent` is never read [INFO] [stdout] --> src/binary_tree.rs:274:17 [INFO] [stdout] | [INFO] [stdout] 274 | let mut parent = std::option::Option::None; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `x` is never read [INFO] [stdout] --> src/red_black_tree.rs:343:17 [INFO] [stdout] | [INFO] [stdout] 343 | let mut x = None; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/red_black_tree.rs:396:13 [INFO] [stdout] | [INFO] [stdout] 396 | let mut x_ptr = x.unwrap().as_ptr(); [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] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.46s [INFO] running `Command { std: "docker" "inspect" "7a0eb0c8b994ecd9ae3f30a726934436a5e03c21ab7a84b9f57445178688c9cc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7a0eb0c8b994ecd9ae3f30a726934436a5e03c21ab7a84b9f57445178688c9cc", kill_on_drop: false }` [INFO] [stdout] 7a0eb0c8b994ecd9ae3f30a726934436a5e03c21ab7a84b9f57445178688c9cc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 46c7d160652a7fa841ccb1036a77c80520ab244420324086140e89d2e7b40db9 [INFO] running `Command { std: "docker" "start" "-a" "46c7d160652a7fa841ccb1036a77c80520ab244420324086140e89d2e7b40db9", kill_on_drop: false }` [INFO] [stderr] warning: value assigned to `left` is never read [INFO] [stderr] --> src/binary_tree.rs:272:17 [INFO] [stderr] | [INFO] [stderr] 272 | let mut left = std::option::Option::None; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `right` is never read [INFO] [stderr] --> src/binary_tree.rs:273:17 [INFO] [stderr] | [INFO] [stderr] 273 | let mut right = std::option::Option::None; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `parent` is never read [INFO] [stderr] --> src/binary_tree.rs:274:17 [INFO] [stderr] | [INFO] [stderr] 274 | let mut parent = std::option::Option::None; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `x` is never read [INFO] [stderr] --> src/red_black_tree.rs:343:17 [INFO] [stderr] | [INFO] [stderr] 343 | let mut x = None; [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/red_black_tree.rs:396:13 [INFO] [stderr] | [INFO] [stderr] 396 | let mut x_ptr = x.unwrap().as_ptr(); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `structures` (lib) generated 5 warnings (run `cargo fix --lib -p structures` to apply 1 suggestion) [INFO] [stderr] warning: `structures` (lib test) generated 5 warnings (5 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/structures-adfda71e5c79809e) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stderr] Doc-tests structures [INFO] [stdout] test binary_tree::tests::test_binary_tree ... ok [INFO] [stdout] test red_black_tree::tests::test_red_black_tree ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [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" "46c7d160652a7fa841ccb1036a77c80520ab244420324086140e89d2e7b40db9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "46c7d160652a7fa841ccb1036a77c80520ab244420324086140e89d2e7b40db9", kill_on_drop: false }` [INFO] [stdout] 46c7d160652a7fa841ccb1036a77c80520ab244420324086140e89d2e7b40db9