[INFO] cloning repository https://github.com/galigalikun/leetcode [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/galigalikun/leetcode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgaligalikun%2Fleetcode", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgaligalikun%2Fleetcode'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] dac7557457603133c8a89064acea3010f9a6a0f2 [INFO] checking galigalikun/leetcode against try#b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8 for pr-78363 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgaligalikun%2Fleetcode" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/galigalikun/leetcode on toolchain b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/galigalikun/leetcode [INFO] finished tweaking git repo https://github.com/galigalikun/leetcode [INFO] tweaked toml for git repo https://github.com/galigalikun/leetcode written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/galigalikun/leetcode already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "metadata" "--no-deps" "--format-version=1", 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] e32c06c5d2f8119ea97d6c5eadd4349657b1dfa2dbe62aa6d4507aa5b411b942 [INFO] running `Command { std: "docker" "start" "-a" "e32c06c5d2f8119ea97d6c5eadd4349657b1dfa2dbe62aa6d4507aa5b411b942", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e32c06c5d2f8119ea97d6c5eadd4349657b1dfa2dbe62aa6d4507aa5b411b942", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e32c06c5d2f8119ea97d6c5eadd4349657b1dfa2dbe62aa6d4507aa5b411b942", kill_on_drop: false }` [INFO] [stdout] e32c06c5d2f8119ea97d6c5eadd4349657b1dfa2dbe62aa6d4507aa5b411b942 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bb01b168c6215665dfeac9d87530a05399c10b53e6cfe96b9d291c67b0774257 [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" "bb01b168c6215665dfeac9d87530a05399c10b53e6cfe96b9d291c67b0774257", kill_on_drop: false }` [INFO] [stderr] Checking leetcode v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `m` is never read [INFO] [stdout] --> src/longest-palindromic-substring.rs:55:13 [INFO] [stdout] | [INFO] [stdout] 55 | let mut m: i32 = 0; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/add-two-numbers.rs:40:8 [INFO] [stdout] | [INFO] [stdout] 40 | fn new(val: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/regular-expression-matching.rs:101:41 [INFO] [stdout] | [INFO] [stdout] 101 | ... if n == '.' || b == n { [INFO] [stdout] | ^^^ expected struct `Box`, found `char` [INFO] [stdout] | [INFO] [stdout] = note: expected struct `Box` [INFO] [stdout] found type `char` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/add-two-numbers.rs:40:8 [INFO] [stdout] | [INFO] [stdout] 40 | fn new(val: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `m` is never read [INFO] [stdout] --> src/longest-palindromic-substring.rs:55:13 [INFO] [stdout] | [INFO] [stdout] 55 | let mut m: i32 = 0; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/regular-expression-matching.rs:101:53 [INFO] [stdout] | [INFO] [stdout] 101 | ... if n == '.' || b == n { [INFO] [stdout] | ^ expected `char`, found struct `Box` [INFO] [stdout] | [INFO] [stdout] = note: expected type `char` [INFO] [stdout] found struct `Box` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: could not compile `leetcode` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/regular-expression-matching.rs:101:41 [INFO] [stdout] | [INFO] [stdout] 101 | ... if n == '.' || b == n { [INFO] [stdout] | ^^^ expected struct `Box`, found `char` [INFO] [stdout] | [INFO] [stdout] = note: expected struct `Box` [INFO] [stdout] found type `char` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/regular-expression-matching.rs:101:53 [INFO] [stdout] | [INFO] [stdout] 101 | ... if n == '.' || b == n { [INFO] [stdout] | ^ expected `char`, found struct `Box` [INFO] [stdout] | [INFO] [stdout] = note: expected type `char` [INFO] [stdout] found struct `Box` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "bb01b168c6215665dfeac9d87530a05399c10b53e6cfe96b9d291c67b0774257", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bb01b168c6215665dfeac9d87530a05399c10b53e6cfe96b9d291c67b0774257", kill_on_drop: false }` [INFO] [stdout] bb01b168c6215665dfeac9d87530a05399c10b53e6cfe96b9d291c67b0774257