[INFO] cloning repository https://github.com/zxiang77/lc-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zxiang77/lc-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzxiang77%2Flc-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzxiang77%2Flc-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f934f613283d466141dbb5bb8f537e7613127271 [INFO] checking zxiang77/lc-rs against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzxiang77%2Flc-rs" "/workspace/builds/worker-14/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/zxiang77/lc-rs on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/zxiang77/lc-rs [INFO] finished tweaking git repo https://github.com/zxiang77/lc-rs [INFO] tweaked toml for git repo https://github.com/zxiang77/lc-rs written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate git repo https://github.com/zxiang77/lc-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 25b4e5e26a3af630b239e671afd0be974090977ed85954bafea00a24ed022ea7 [INFO] running `Command { std: "docker" "start" "-a" "25b4e5e26a3af630b239e671afd0be974090977ed85954bafea00a24ed022ea7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "25b4e5e26a3af630b239e671afd0be974090977ed85954bafea00a24ed022ea7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "25b4e5e26a3af630b239e671afd0be974090977ed85954bafea00a24ed022ea7", kill_on_drop: false }` [INFO] [stdout] 25b4e5e26a3af630b239e671afd0be974090977ed85954bafea00a24ed022ea7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 28ef04821ab57739b198c050b72aa4d826acb5fa88b1d8bc885093a4510d368d [INFO] running `Command { std: "docker" "start" "-a" "28ef04821ab57739b198c050b72aa4d826acb5fa88b1d8bc885093a4510d368d", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] Running `cargo fix --edition` [INFO] [stderr] Checking lc-rs v0.1.0 (/tmp/fixit) [INFO] [stderr] Migrating src/main.rs from 2018 edition to 2021 [INFO] [stderr] Fixed src/sol/q1028.rs (4 fixes) [INFO] [stderr] Fixed src/utils/node.rs (2 fixes) [INFO] [stderr] Fixed src/main.rs (1 fix) [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/utils/node.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 15 | pub 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: struct is never constructed: `Solution` [INFO] [stdout] --> src/sol/q1028.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct Solution { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `recover_from_preorder` [INFO] [stdout] --> src/sol/q1028.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 12 | pub fn recover_from_preorder(s: String) -> Option>> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `peek` [INFO] [stdout] --> src/sol/q1028.rs:47:8 [INFO] [stdout] | [INFO] [stdout] 47 | fn peek(v: &Vec>>) -> Rc> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `parse_next` [INFO] [stdout] --> src/sol/q1028.rs:53:8 [INFO] [stdout] | [INFO] [stdout] 53 | fn parse_next(s: &str) -> (Option>>, usize, &str) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `TheDarkKnight` [INFO] [stdout] --> src/main.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | struct TheDarkKnight; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `nothing_is_true` [INFO] [stdout] --> src/main.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 10 | fn nothing_is_true(self) {} [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `HashMap` in this scope [INFO] [stdout] --> src/sol/q1028.rs:84:26 [INFO] [stdout] | [INFO] [stdout] 84 | pub fn get_data() -> HashMap [INFO] [stdout] | ^^^^^^^ not found in this scope [INFO] [stdout] | [INFO] [stdout] help: consider importing this struct [INFO] [stdout] | [INFO] [stdout] 74 | use std::collections::HashMap; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `HashMap` [INFO] [stdout] --> src/sol/q1028.rs:86:24 [INFO] [stdout] | [INFO] [stdout] 86 | let mut data = HashMap::new(); [INFO] [stdout] | ^^^^^^^ not found in this scope [INFO] [stdout] | [INFO] [stdout] help: consider importing this struct [INFO] [stdout] | [INFO] [stdout] 74 | use std::collections::HashMap; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0412, E0433. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0412`. [INFO] [stdout] [INFO] [stderr] error: could not compile `lc-rs` due to 3 previous errors [INFO] [stderr] error: failed to migrate to next edition [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `cargo fix --edition --allow-no-vcs --allow-dirty --frozen --all --all-targets --message-format=json` (exit status: 101) [INFO] running `Command { std: "docker" "inspect" "28ef04821ab57739b198c050b72aa4d826acb5fa88b1d8bc885093a4510d368d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "28ef04821ab57739b198c050b72aa4d826acb5fa88b1d8bc885093a4510d368d", kill_on_drop: false }` [INFO] [stdout] 28ef04821ab57739b198c050b72aa4d826acb5fa88b1d8bc885093a4510d368d