[INFO] cloning repository https://github.com/andrewgazelka/leet_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andrewgazelka/leet_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewgazelka%2Fleet_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewgazelka%2Fleet_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 258c52eaad2044eed9a12467878f2ced35acbdb0 [INFO] checking andrewgazelka/leet_rust against try#4a04890980766cc79878135f5ade8c0c4321e943 for pr-65819 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewgazelka%2Fleet_rust" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/andrewgazelka/leet_rust on toolchain 4a04890980766cc79878135f5ade8c0c4321e943 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/andrewgazelka/leet_rust [INFO] finished tweaking git repo https://github.com/andrewgazelka/leet_rust [INFO] tweaked toml for git repo https://github.com/andrewgazelka/leet_rust written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/andrewgazelka/leet_rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 418c6f74fae9a8e838fc133a6757ebb0c5eb7c11b65ad02fdd71fdb3c2db65a3 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "418c6f74fae9a8e838fc133a6757ebb0c5eb7c11b65ad02fdd71fdb3c2db65a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "418c6f74fae9a8e838fc133a6757ebb0c5eb7c11b65ad02fdd71fdb3c2db65a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "418c6f74fae9a8e838fc133a6757ebb0c5eb7c11b65ad02fdd71fdb3c2db65a3", kill_on_drop: false }` [INFO] [stdout] 418c6f74fae9a8e838fc133a6757ebb0c5eb7c11b65ad02fdd71fdb3c2db65a3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 7e28017c0df3bcb4be052c7e72ee9757f913270c9563d8232aaa5e8204b3024b [INFO] running `Command { std: "docker" "start" "-a" "7e28017c0df3bcb4be052c7e72ee9757f913270c9563d8232aaa5e8204b3024b", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.79 [INFO] [stderr] Checking getrandom v0.1.15 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking leet_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Reverse` [INFO] [stdout] --> src/problem23/mod.rs:1:26 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::{Ordering, Reverse}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::Solution` [INFO] [stdout] --> src/problem8/mod.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | use crate::Solution; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Reverse` [INFO] [stdout] --> src/problem23/mod.rs:1:26 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::{Ordering, Reverse}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `next` [INFO] [stdout] --> src/problem10/mod.rs:10:21 [INFO] [stdout] | [INFO] [stdout] 10 | let next = char_vec[i - 1]; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_next` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pattern` [INFO] [stdout] --> src/problem10/mod.rs:5:37 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn is_match(string: String, pattern: String) -> bool { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pattern` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `take` [INFO] [stdout] --> src/problem773/mod.rs:16:24 [INFO] [stdout] | [INFO] [stdout] 16 | fn foo(take: Box>) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_take` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Foo` [INFO] [stdout] --> src/problem773/mod.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 12 | pub struct Foo { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `foo` [INFO] [stdout] --> src/problem773/mod.rs:16:4 [INFO] [stdout] | [INFO] [stdout] 16 | fn foo(take: Box>) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `state` [INFO] [stdout] --> src/problem773/mod.rs:62:5 [INFO] [stdout] | [INFO] [stdout] 62 | state: Vec>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `from_vec` [INFO] [stdout] --> src/lib.rs:39:8 [INFO] [stdout] | [INFO] [stdout] 39 | fn from_vec(vec: Vec) -> Option> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `next` [INFO] [stdout] --> src/problem10/mod.rs:10:21 [INFO] [stdout] | [INFO] [stdout] 10 | let next = char_vec[i - 1]; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_next` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pattern` [INFO] [stdout] --> src/problem10/mod.rs:5:37 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn is_match(string: String, pattern: String) -> bool { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pattern` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `take` [INFO] [stdout] --> src/problem773/mod.rs:16:24 [INFO] [stdout] | [INFO] [stdout] 16 | fn foo(take: Box>) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_take` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Foo` [INFO] [stdout] --> src/problem773/mod.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 12 | pub struct Foo { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `foo` [INFO] [stdout] --> src/problem773/mod.rs:16:4 [INFO] [stdout] | [INFO] [stdout] 16 | fn foo(take: Box>) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `state` [INFO] [stdout] --> src/problem773/mod.rs:62:5 [INFO] [stdout] | [INFO] [stdout] 62 | state: Vec>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.54s [INFO] running `Command { std: "docker" "inspect" "7e28017c0df3bcb4be052c7e72ee9757f913270c9563d8232aaa5e8204b3024b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7e28017c0df3bcb4be052c7e72ee9757f913270c9563d8232aaa5e8204b3024b", kill_on_drop: false }` [INFO] [stdout] 7e28017c0df3bcb4be052c7e72ee9757f913270c9563d8232aaa5e8204b3024b