[INFO] cloning repository https://github.com/dinkdino/rust_algo [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dinkdino/rust_algo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdinkdino%2Frust_algo", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdinkdino%2Frust_algo'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] fc8630a2f999803aafc1e190f0b992eb616d28dd [INFO] checking dinkdino/rust_algo against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdinkdino%2Frust_algo" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/dinkdino/rust_algo 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/dinkdino/rust_algo [INFO] finished tweaking git repo https://github.com/dinkdino/rust_algo [INFO] tweaked toml for git repo https://github.com/dinkdino/rust_algo written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/dinkdino/rust_algo 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 796ebaffc9c71d61d9be57d05002ee4f6c399f21fd156e6ef8fc7c62140b50b8 [INFO] running `Command { std: "docker" "start" "-a" "796ebaffc9c71d61d9be57d05002ee4f6c399f21fd156e6ef8fc7c62140b50b8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "796ebaffc9c71d61d9be57d05002ee4f6c399f21fd156e6ef8fc7c62140b50b8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "796ebaffc9c71d61d9be57d05002ee4f6c399f21fd156e6ef8fc7c62140b50b8", kill_on_drop: false }` [INFO] [stdout] 796ebaffc9c71d61d9be57d05002ee4f6c399f21fd156e6ef8fc7c62140b50b8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] d595a705f5f62297f4dac9ada156856e0e3f621cd7e08a443f4b3e5e3e35a311 [INFO] running `Command { std: "docker" "start" "-a" "d595a705f5f62297f4dac9ada156856e0e3f621cd7e08a443f4b3e5e3e35a311", kill_on_drop: false }` [INFO] [stderr] Checking rust_algo v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `heap::*` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use heap::*; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `heap::*` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use heap::*; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Heap` is never constructed [INFO] [stdout] --> src/heap.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct Heap { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `sink`, `push`, and `pop` are never used [INFO] [stdout] --> src/heap.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 8 | / impl Heap [INFO] [stdout] 9 | | where F: Fn(&T, &T) -> cmp::Ordering { [INFO] [stdout] | |________________________________________- associated items in this implementation [INFO] [stdout] 10 | [INFO] [stdout] 11 | pub fn new(compare: F) -> Heap { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 15 | fn sink(&mut self, index: usize) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 39 | pub fn push(&mut self, value: T) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 43 | pub fn pop(&mut self) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Heap` is never constructed [INFO] [stdout] --> src/heap.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct Heap { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `sink`, `push`, and `pop` are never used [INFO] [stdout] --> src/heap.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 8 | / impl Heap [INFO] [stdout] 9 | | where F: Fn(&T, &T) -> cmp::Ordering { [INFO] [stdout] | |________________________________________- associated items in this implementation [INFO] [stdout] 10 | [INFO] [stdout] 11 | pub fn new(compare: F) -> Heap { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 15 | fn sink(&mut self, index: usize) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 39 | pub fn push(&mut self, value: T) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 43 | pub fn pop(&mut self) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] running `Command { std: "docker" "inspect" "d595a705f5f62297f4dac9ada156856e0e3f621cd7e08a443f4b3e5e3e35a311", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d595a705f5f62297f4dac9ada156856e0e3f621cd7e08a443f4b3e5e3e35a311", kill_on_drop: false }` [INFO] [stdout] d595a705f5f62297f4dac9ada156856e0e3f621cd7e08a443f4b3e5e3e35a311 [INFO] checking dinkdino/rust_algo against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdinkdino%2Frust_algo" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/dinkdino/rust_algo 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/dinkdino/rust_algo [INFO] finished tweaking git repo https://github.com/dinkdino/rust_algo [INFO] tweaked toml for git repo https://github.com/dinkdino/rust_algo written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/dinkdino/rust_algo 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 343d405010a03272bb90833fa0df5ba3a35fb0693f4d7edd7074e91dd9ffedec [INFO] running `Command { std: "docker" "start" "-a" "343d405010a03272bb90833fa0df5ba3a35fb0693f4d7edd7074e91dd9ffedec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "343d405010a03272bb90833fa0df5ba3a35fb0693f4d7edd7074e91dd9ffedec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "343d405010a03272bb90833fa0df5ba3a35fb0693f4d7edd7074e91dd9ffedec", kill_on_drop: false }` [INFO] [stdout] 343d405010a03272bb90833fa0df5ba3a35fb0693f4d7edd7074e91dd9ffedec [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 6da443c824c1bf458ea0f625e714df606eceb7b4477c0663716a68a57b24d436 [INFO] running `Command { std: "docker" "start" "-a" "6da443c824c1bf458ea0f625e714df606eceb7b4477c0663716a68a57b24d436", kill_on_drop: false }` [INFO] [stderr] Checking rust_algo v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `heap::*` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use heap::*; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `heap::*` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use heap::*; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Heap` is never constructed [INFO] [stdout] --> src/heap.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct Heap { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `sink`, `push`, and `pop` are never used [INFO] [stdout] --> src/heap.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 8 | / impl Heap [INFO] [stdout] 9 | | where F: Fn(&T, &T) -> cmp::Ordering { [INFO] [stdout] | |________________________________________- associated items in this implementation [INFO] [stdout] 10 | [INFO] [stdout] 11 | pub fn new(compare: F) -> Heap { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 15 | fn sink(&mut self, index: usize) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 39 | pub fn push(&mut self, value: T) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 43 | pub fn pop(&mut self) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Heap` is never constructed [INFO] [stdout] --> src/heap.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct Heap { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `sink`, `push`, and `pop` are never used [INFO] [stdout] --> src/heap.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 8 | / impl Heap [INFO] [stdout] 9 | | where F: Fn(&T, &T) -> cmp::Ordering { [INFO] [stdout] | |________________________________________- associated items in this implementation [INFO] [stdout] 10 | [INFO] [stdout] 11 | pub fn new(compare: F) -> Heap { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 15 | fn sink(&mut self, index: usize) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 39 | pub fn push(&mut self, value: T) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 43 | pub fn pop(&mut self) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] running `Command { std: "docker" "inspect" "6da443c824c1bf458ea0f625e714df606eceb7b4477c0663716a68a57b24d436", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6da443c824c1bf458ea0f625e714df606eceb7b4477c0663716a68a57b24d436", kill_on_drop: false }` [INFO] [stdout] 6da443c824c1bf458ea0f625e714df606eceb7b4477c0663716a68a57b24d436