[INFO] cloning repository https://github.com/NinjaSlayerSang/leet-code-practice [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NinjaSlayerSang/leet-code-practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNinjaSlayerSang%2Fleet-code-practice", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNinjaSlayerSang%2Fleet-code-practice'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8d157734b5d5e60ae0a8f6110dcba53c9739eaf7 [INFO] testing NinjaSlayerSang/leet-code-practice against master#160e7623e8cbbf1feab2b6e2a24733a98c7bde9c for pr-145628-retry-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNinjaSlayerSang%2Fleet-code-practice" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/NinjaSlayerSang/leet-code-practice [INFO] finished tweaking git repo https://github.com/NinjaSlayerSang/leet-code-practice [INFO] tweaked toml for git repo https://github.com/NinjaSlayerSang/leet-code-practice written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/NinjaSlayerSang/leet-code-practice on toolchain 160e7623e8cbbf1feab2b6e2a24733a98c7bde9c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/NinjaSlayerSang/leet-code-practice 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" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded getrandom v0.2.8 [INFO] [stderr] Downloaded libc v0.2.138 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b281ecbcce3ac573b4c5824f6a02f2f87dfc4bcd54dad611847a0bd483000c5c [INFO] running `Command { std: "docker" "start" "-a" "b281ecbcce3ac573b4c5824f6a02f2f87dfc4bcd54dad611847a0bd483000c5c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b281ecbcce3ac573b4c5824f6a02f2f87dfc4bcd54dad611847a0bd483000c5c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b281ecbcce3ac573b4c5824f6a02f2f87dfc4bcd54dad611847a0bd483000c5c", kill_on_drop: false }` [INFO] [stdout] b281ecbcce3ac573b4c5824f6a02f2f87dfc4bcd54dad611847a0bd483000c5c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1ab8b50e7614ba429d5010cea65276f77940033892e31d7bda8bb3cfffeafd11 [INFO] running `Command { std: "docker" "start" "-a" "1ab8b50e7614ba429d5010cea65276f77940033892e31d7bda8bb3cfffeafd11", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.138 [INFO] [stderr] Compiling getrandom v0.2.8 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling leet-code-practice v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/bin/merge-two-sorted-lists.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 8 | impl ListNode { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 9 | #[inline] [INFO] [stdout] 10 | fn new(val: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: casting `&T` to `&mut T` is undefined behavior, even if the reference is unused, consider instead using an `UnsafeCell` [INFO] [stdout] --> src/bin/remove-nth-node-from-end-of-list.rs:30:30 [INFO] [stdout] | [INFO] [stdout] 30 | let p = unsafe { &mut *(refs[len - n - 1] as *const ListNode as *mut ListNode) }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: for more information, visit [INFO] [stdout] = note: `#[deny(invalid_reference_casting)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `leet-code-practice` (bin "remove-nth-node-from-end-of-list") due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "1ab8b50e7614ba429d5010cea65276f77940033892e31d7bda8bb3cfffeafd11", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1ab8b50e7614ba429d5010cea65276f77940033892e31d7bda8bb3cfffeafd11", kill_on_drop: false }` [INFO] [stdout] 1ab8b50e7614ba429d5010cea65276f77940033892e31d7bda8bb3cfffeafd11