[INFO] cloning repository https://github.com/xinxin001/leetcodes_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xinxin001/leetcodes_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxinxin001%2Fleetcodes_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxinxin001%2Fleetcodes_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 910a2bfb7894de1e0637401f0de0cceb5c69f035 [INFO] checking xinxin001/leetcodes_rust against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxinxin001%2Fleetcodes_rust" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/xinxin001/leetcodes_rust 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/xinxin001/leetcodes_rust [INFO] finished tweaking git repo https://github.com/xinxin001/leetcodes_rust [INFO] tweaked toml for git repo https://github.com/xinxin001/leetcodes_rust written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/xinxin001/leetcodes_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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded getrandom v0.2.9 [INFO] [stderr] Downloaded libc v0.2.144 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] e4919a7d03ec211854d471ca4866a53d77a636ec68269d8eb5e1a7957086e9c8 [INFO] running `Command { std: "docker" "start" "-a" "e4919a7d03ec211854d471ca4866a53d77a636ec68269d8eb5e1a7957086e9c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e4919a7d03ec211854d471ca4866a53d77a636ec68269d8eb5e1a7957086e9c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e4919a7d03ec211854d471ca4866a53d77a636ec68269d8eb5e1a7957086e9c8", kill_on_drop: false }` [INFO] [stdout] e4919a7d03ec211854d471ca4866a53d77a636ec68269d8eb5e1a7957086e9c8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] d5f3ab83d88fb5362c751240f87e7c68cbf5d3a952d8c709970ff25dc4f15fc7 [INFO] running `Command { std: "docker" "start" "-a" "d5f3ab83d88fb5362c751240f87e7c68cbf5d3a952d8c709970ff25dc4f15fc7", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.144 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking getrandom v0.2.9 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking leetcodes_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `n_processes` [INFO] [stdout] --> src/bin/experiments.rs:20:19 [INFO] [stdout] | [INFO] [stdout] 20 | fn number_of_ways(n_processes: i32, n_intervals: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_n_processes` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n_intervals` [INFO] [stdout] --> src/bin/experiments.rs:20:37 [INFO] [stdout] | [INFO] [stdout] 20 | fn number_of_ways(n_processes: i32, n_intervals: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_n_intervals` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n_processes` [INFO] [stdout] --> src/bin/experiments.rs:20:19 [INFO] [stdout] | [INFO] [stdout] 20 | fn number_of_ways(n_processes: i32, n_intervals: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_n_processes` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n_intervals` [INFO] [stdout] --> src/bin/experiments.rs:20:37 [INFO] [stdout] | [INFO] [stdout] 20 | fn number_of_ways(n_processes: i32, n_intervals: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_n_intervals` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `HitCounter` is never constructed [INFO] [stdout] --> src/bin/362design_hit_counter.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | struct HitCounter { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `hit`, and `get_hits` are never used [INFO] [stdout] --> src/bin/362design_hit_counter.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 10 | impl HitCounter { [INFO] [stdout] | --------------- associated items in this implementation [INFO] [stdout] 11 | fn new() -> HitCounter { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 17 | fn hit(&mut self, timestamp: i32) { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 27 | fn get_hits(&mut self, timestamp: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `HitCounter` is never constructed [INFO] [stdout] --> src/bin/362design_hit_counter.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | struct HitCounter { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `hit`, and `get_hits` are never used [INFO] [stdout] --> src/bin/362design_hit_counter.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 10 | impl HitCounter { [INFO] [stdout] | --------------- associated items in this implementation [INFO] [stdout] 11 | fn new() -> HitCounter { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 17 | fn hit(&mut self, timestamp: i32) { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 27 | fn get_hits(&mut self, timestamp: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.45s [INFO] running `Command { std: "docker" "inspect" "d5f3ab83d88fb5362c751240f87e7c68cbf5d3a952d8c709970ff25dc4f15fc7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d5f3ab83d88fb5362c751240f87e7c68cbf5d3a952d8c709970ff25dc4f15fc7", kill_on_drop: false }` [INFO] [stdout] d5f3ab83d88fb5362c751240f87e7c68cbf5d3a952d8c709970ff25dc4f15fc7 [INFO] checking xinxin001/leetcodes_rust against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxinxin001%2Fleetcodes_rust" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/xinxin001/leetcodes_rust 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/xinxin001/leetcodes_rust [INFO] finished tweaking git repo https://github.com/xinxin001/leetcodes_rust [INFO] tweaked toml for git repo https://github.com/xinxin001/leetcodes_rust written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/xinxin001/leetcodes_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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 88020a8b0224e8218101de0038715532f2ba0c7c8341a72d8de6e5346c0ba1bd [INFO] running `Command { std: "docker" "start" "-a" "88020a8b0224e8218101de0038715532f2ba0c7c8341a72d8de6e5346c0ba1bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "88020a8b0224e8218101de0038715532f2ba0c7c8341a72d8de6e5346c0ba1bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "88020a8b0224e8218101de0038715532f2ba0c7c8341a72d8de6e5346c0ba1bd", kill_on_drop: false }` [INFO] [stdout] 88020a8b0224e8218101de0038715532f2ba0c7c8341a72d8de6e5346c0ba1bd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] c7fc230d31fd547601ab2683ab5a23efae792f4e13daa0cdc4e28e01c3ea6a79 [INFO] running `Command { std: "docker" "start" "-a" "c7fc230d31fd547601ab2683ab5a23efae792f4e13daa0cdc4e28e01c3ea6a79", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.144 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking getrandom v0.2.9 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking leetcodes_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `HitCounter` is never constructed [INFO] [stdout] --> src/bin/362design_hit_counter.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | struct HitCounter { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `hit`, and `get_hits` are never used [INFO] [stdout] --> src/bin/362design_hit_counter.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 10 | impl HitCounter { [INFO] [stdout] | --------------- associated items in this implementation [INFO] [stdout] 11 | fn new() -> HitCounter { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 17 | fn hit(&mut self, timestamp: i32) { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 27 | fn get_hits(&mut self, timestamp: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `HitCounter` is never constructed [INFO] [stdout] --> src/bin/362design_hit_counter.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | struct HitCounter { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `hit`, and `get_hits` are never used [INFO] [stdout] --> src/bin/362design_hit_counter.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 10 | impl HitCounter { [INFO] [stdout] | --------------- associated items in this implementation [INFO] [stdout] 11 | fn new() -> HitCounter { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 17 | fn hit(&mut self, timestamp: i32) { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 27 | fn get_hits(&mut self, timestamp: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n_processes` [INFO] [stdout] --> src/bin/experiments.rs:20:19 [INFO] [stdout] | [INFO] [stdout] 20 | fn number_of_ways(n_processes: i32, n_intervals: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_n_processes` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n_intervals` [INFO] [stdout] --> src/bin/experiments.rs:20:37 [INFO] [stdout] | [INFO] [stdout] 20 | fn number_of_ways(n_processes: i32, n_intervals: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_n_intervals` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n_processes` [INFO] [stdout] --> src/bin/experiments.rs:20:19 [INFO] [stdout] | [INFO] [stdout] 20 | fn number_of_ways(n_processes: i32, n_intervals: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_n_processes` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n_intervals` [INFO] [stdout] --> src/bin/experiments.rs:20:37 [INFO] [stdout] | [INFO] [stdout] 20 | fn number_of_ways(n_processes: i32, n_intervals: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_n_intervals` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.84s [INFO] running `Command { std: "docker" "inspect" "c7fc230d31fd547601ab2683ab5a23efae792f4e13daa0cdc4e28e01c3ea6a79", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c7fc230d31fd547601ab2683ab5a23efae792f4e13daa0cdc4e28e01c3ea6a79", kill_on_drop: false }` [INFO] [stdout] c7fc230d31fd547601ab2683ab5a23efae792f4e13daa0cdc4e28e01c3ea6a79