[INFO] cloning repository https://github.com/creep1ng/data-structures-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/creep1ng/data-structures-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcreep1ng%2Fdata-structures-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcreep1ng%2Fdata-structures-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 949b1e2e2ae6bed39a88d5d041853d1a4193918f [INFO] checking creep1ng/data-structures-rust against try#d7b15db413fd2070daa09a2c5b7f2ab38417429f for pr-144544 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcreep1ng%2Fdata-structures-rust" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/creep1ng/data-structures-rust [INFO] finished tweaking git repo https://github.com/creep1ng/data-structures-rust [INFO] tweaked toml for git repo https://github.com/creep1ng/data-structures-rust written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/creep1ng/data-structures-rust on toolchain d7b15db413fd2070daa09a2c5b7f2ab38417429f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d7b15db413fd2070daa09a2c5b7f2ab38417429f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/creep1ng/data-structures-rust 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" "+d7b15db413fd2070daa09a2c5b7f2ab38417429f" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+d7b15db413fd2070daa09a2c5b7f2ab38417429f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4821d312ca878489e768d3add0cb9a1fee47a373c6f853aabb349e967edcb9bb [INFO] running `Command { std: "docker" "start" "-a" "4821d312ca878489e768d3add0cb9a1fee47a373c6f853aabb349e967edcb9bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4821d312ca878489e768d3add0cb9a1fee47a373c6f853aabb349e967edcb9bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4821d312ca878489e768d3add0cb9a1fee47a373c6f853aabb349e967edcb9bb", kill_on_drop: false }` [INFO] [stdout] 4821d312ca878489e768d3add0cb9a1fee47a373c6f853aabb349e967edcb9bb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+d7b15db413fd2070daa09a2c5b7f2ab38417429f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bfb791ef589b9c0fde8288bb0dbafe8362e07be1dd6fd970a4ad9e7930a1d046 [INFO] running `Command { std: "docker" "start" "-a" "bfb791ef589b9c0fde8288bb0dbafe8362e07be1dd6fd970a4ad9e7930a1d046", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling unicode-ident v1.0.13 [INFO] [stderr] Compiling libc v0.2.158 [INFO] [stderr] Compiling serde v1.0.210 [INFO] [stderr] Compiling crossbeam-utils v0.8.20 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Compiling autocfg v1.3.0 [INFO] [stderr] Compiling serde_json v1.0.128 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Checking ryu v1.0.18 [INFO] [stderr] Checking either v1.13.0 [INFO] [stderr] Checking itoa v1.0.11 [INFO] [stderr] Checking regex-syntax v0.8.4 [INFO] [stderr] Checking unicode-width v0.1.13 [INFO] [stderr] Checking plotters-backend v0.3.7 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking half v1.8.3 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking lazy_static v1.5.0 [INFO] [stderr] Checking oorandom v11.1.4 [INFO] [stderr] Checking data-structures-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking plotters-svg v0.3.7 [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/homework/bst.rs:19:24 [INFO] [stdout] | [INFO] [stdout] 19 | Self::get_node(&self.root, key) [INFO] [stdout] | -------------- ^^^^^^^^^^ expected `&Option>>`, found `&Option>` [INFO] [stdout] | | [INFO] [stdout] | arguments to this function are incorrect [INFO] [stdout] | [INFO] [stdout] = note: expected reference `&Option>>` [INFO] [stdout] found reference `&Option>` [INFO] [stdout] note: associated function defined here [INFO] [stdout] --> src/homework/bst.rs:22:8 [INFO] [stdout] | [INFO] [stdout] 22 | fn get_node<'a>(node: &Option>>, searched_key: &K) -> Option<&'a T> { [INFO] [stdout] | ^^^^^^^^ --------------------------------- [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/homework/bst.rs:26:36 [INFO] [stdout] | [INFO] [stdout] 26 | Self::get_node(&n.left, searched_key) [INFO] [stdout] | -------------- ^^^^^^^ expected `&Option>>`, found `&Option>>` [INFO] [stdout] | | [INFO] [stdout] | arguments to this function are incorrect [INFO] [stdout] | [INFO] [stdout] = note: expected reference `&Option>>` [INFO] [stdout] found reference `&Option>>` [INFO] [stdout] note: associated function defined here [INFO] [stdout] --> src/homework/bst.rs:22:8 [INFO] [stdout] | [INFO] [stdout] 22 | fn get_node<'a>(node: &Option>>, searched_key: &K) -> Option<&'a T> { [INFO] [stdout] | ^^^^^^^^ --------------------------------- [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/homework/bst.rs:28:36 [INFO] [stdout] | [INFO] [stdout] 28 | Self::get_node(&n.right, searched_key) [INFO] [stdout] | -------------- ^^^^^^^^ expected `&Option>>`, found `&Option>>` [INFO] [stdout] | | [INFO] [stdout] | arguments to this function are incorrect [INFO] [stdout] | [INFO] [stdout] = note: expected reference `&Option>>` [INFO] [stdout] found reference `&Option>>` [INFO] [stdout] note: associated function defined here [INFO] [stdout] --> src/homework/bst.rs:22:8 [INFO] [stdout] | [INFO] [stdout] 22 | fn get_node<'a>(node: &Option>>, searched_key: &K) -> Option<&'a T> { [INFO] [stdout] | ^^^^^^^^ --------------------------------- [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking walkdir v2.5.0 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stdout] For more information about this error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: could not compile `data-structures-rust` (lib) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "bfb791ef589b9c0fde8288bb0dbafe8362e07be1dd6fd970a4ad9e7930a1d046", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bfb791ef589b9c0fde8288bb0dbafe8362e07be1dd6fd970a4ad9e7930a1d046", kill_on_drop: false }` [INFO] [stdout] bfb791ef589b9c0fde8288bb0dbafe8362e07be1dd6fd970a4ad9e7930a1d046