[INFO] cloning repository https://github.com/KHN190/LeeetCode [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KHN190/LeeetCode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKHN190%2FLeeetCode", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKHN190%2FLeeetCode'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e63d92ad3499d0a59a4d78e7a0d1e136eedc8521 [INFO] checking KHN190/LeeetCode against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKHN190%2FLeeetCode" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/KHN190/LeeetCode on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/KHN190/LeeetCode [INFO] finished tweaking git repo https://github.com/KHN190/LeeetCode [INFO] tweaked toml for git repo https://github.com/KHN190/LeeetCode written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/KHN190/LeeetCode 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded jemalloc-ctl v0.3.3 [INFO] [stderr] Downloaded jemallocator v0.3.2 [INFO] [stderr] Downloaded fs_extra v1.2.0 [INFO] [stderr] Downloaded jemalloc-sys v0.3.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d4f623f5d558c81124bac6a601738c97835840269720047d0cb1705ec1fb759a [INFO] running `Command { std: "docker" "start" "-a" "d4f623f5d558c81124bac6a601738c97835840269720047d0cb1705ec1fb759a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d4f623f5d558c81124bac6a601738c97835840269720047d0cb1705ec1fb759a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d4f623f5d558c81124bac6a601738c97835840269720047d0cb1705ec1fb759a", kill_on_drop: false }` [INFO] [stdout] d4f623f5d558c81124bac6a601738c97835840269720047d0cb1705ec1fb759a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4bf1f09a88767dadfba058b7d2879d71611bd49d8f4a6db30d8b158b77816957 [INFO] running `Command { std: "docker" "start" "-a" "4bf1f09a88767dadfba058b7d2879d71611bd49d8f4a6db30d8b158b77816957", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Compiling cc v1.0.69 [INFO] [stderr] Compiling fs_extra v1.2.0 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling jemalloc-sys v0.3.2 [INFO] [stderr] Checking getrandom v0.2.4 [INFO] [stderr] Compiling paste-impl v0.1.18 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking paste v0.1.18 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking jemalloc-ctl v0.3.3 [INFO] [stderr] Checking jemallocator v0.3.2 [INFO] [stderr] Checking leetcode v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `monotonic::MonoStack` [INFO] [stdout] --> src/types/mod.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | pub use monotonic::MonoStack; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `monotonic::MonoStack` [INFO] [stdout] --> src/types/mod.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | pub use monotonic::MonoStack; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/a621.rs:81:9 [INFO] [stdout] | [INFO] [stdout] 81 | let mut t = &mut tasks[0]; [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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/a621.rs:81:9 [INFO] [stdout] | [INFO] [stdout] 81 | let mut t = &mut tasks[0]; [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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 12s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: fs_extra v1.2.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3` [INFO] running `Command { std: "docker" "inspect" "4bf1f09a88767dadfba058b7d2879d71611bd49d8f4a6db30d8b158b77816957", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4bf1f09a88767dadfba058b7d2879d71611bd49d8f4a6db30d8b158b77816957", kill_on_drop: false }` [INFO] [stdout] 4bf1f09a88767dadfba058b7d2879d71611bd49d8f4a6db30d8b158b77816957 [INFO] checking KHN190/LeeetCode against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKHN190%2FLeeetCode" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/KHN190/LeeetCode on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/KHN190/LeeetCode [INFO] finished tweaking git repo https://github.com/KHN190/LeeetCode [INFO] tweaked toml for git repo https://github.com/KHN190/LeeetCode written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/KHN190/LeeetCode 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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 557a8060140268a8322f6a5cc2423d00aa3f88b17e89216f338897b5d23e2ad5 [INFO] running `Command { std: "docker" "start" "-a" "557a8060140268a8322f6a5cc2423d00aa3f88b17e89216f338897b5d23e2ad5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "557a8060140268a8322f6a5cc2423d00aa3f88b17e89216f338897b5d23e2ad5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "557a8060140268a8322f6a5cc2423d00aa3f88b17e89216f338897b5d23e2ad5", kill_on_drop: false }` [INFO] [stdout] 557a8060140268a8322f6a5cc2423d00aa3f88b17e89216f338897b5d23e2ad5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e6480506a6ecfdee5baf03090433176b30af2af59bfba2ad4bb9aebb3d6d7623 [INFO] running `Command { std: "docker" "start" "-a" "e6480506a6ecfdee5baf03090433176b30af2af59bfba2ad4bb9aebb3d6d7623", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling cc v1.0.69 [INFO] [stderr] Compiling fs_extra v1.2.0 [INFO] [stderr] Compiling jemalloc-sys v0.3.2 [INFO] [stderr] Checking getrandom v0.2.4 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Compiling paste-impl v0.1.18 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking paste v0.1.18 [INFO] [stderr] Checking jemallocator v0.3.2 [INFO] [stderr] Checking jemalloc-ctl v0.3.3 [INFO] [stderr] Checking leetcode v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `monotonic::MonoStack` [INFO] [stdout] --> src/types/mod.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | pub use monotonic::MonoStack; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `monotonic::MonoStack` [INFO] [stdout] --> src/types/mod.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | pub use monotonic::MonoStack; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/a621.rs:81:9 [INFO] [stdout] | [INFO] [stdout] 81 | let mut t = &mut tasks[0]; [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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/a621.rs:81:9 [INFO] [stdout] | [INFO] [stdout] 81 | let mut t = &mut tasks[0]; [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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 26s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: fs_extra v1.2.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3` [INFO] running `Command { std: "docker" "inspect" "e6480506a6ecfdee5baf03090433176b30af2af59bfba2ad4bb9aebb3d6d7623", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e6480506a6ecfdee5baf03090433176b30af2af59bfba2ad4bb9aebb3d6d7623", kill_on_drop: false }` [INFO] [stdout] e6480506a6ecfdee5baf03090433176b30af2af59bfba2ad4bb9aebb3d6d7623