[INFO] cloning repository https://github.com/deliangyang/leetcode.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/deliangyang/leetcode.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeliangyang%2Fleetcode.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeliangyang%2Fleetcode.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 443aaa4bd7a08b8686b4ea70433c7c28c60b2492
[INFO] checking deliangyang/leetcode.rs against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeliangyang%2Fleetcode.rs" "/workspace/builds/worker-58/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-58/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/deliangyang/leetcode.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/deliangyang/leetcode.rs
[INFO] finished tweaking git repo https://github.com/deliangyang/leetcode.rs
[INFO] tweaked toml for git repo https://github.com/deliangyang/leetcode.rs written to /workspace/builds/worker-58/source/Cargo.toml
[INFO] crate git repo https://github.com/deliangyang/leetcode.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-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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] 4f1cbdc7d85998b2bfec5fc17b5219530bb207b134fed7f2d6b9a580cd561e0a
[INFO] running `Command { std: "docker" "start" "-a" "4f1cbdc7d85998b2bfec5fc17b5219530bb207b134fed7f2d6b9a580cd561e0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f1cbdc7d85998b2bfec5fc17b5219530bb207b134fed7f2d6b9a580cd561e0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f1cbdc7d85998b2bfec5fc17b5219530bb207b134fed7f2d6b9a580cd561e0a", kill_on_drop: false }`
[INFO] [stdout] 4f1cbdc7d85998b2bfec5fc17b5219530bb207b134fed7f2d6b9a580cd561e0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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] 25e369dd05126197370f43478203e7f769d2b05e7d601bc0a3e587c5244c75cd
[INFO] running `Command { std: "docker" "start" "-a" "25e369dd05126197370f43478203e7f769d2b05e7d601bc0a3e587c5244c75cd", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking demo v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/zigzag-conversion.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/reverse_only_letters.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/stack.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/my_atoi.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/valid-parentheses.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/int_to_roman.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/is_number.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/args.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/re-space-lcci.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/server.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/palindromic-substrings.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/peak.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/li-wu-de-zui-da-jie-zhi-lcof.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/is_match.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/generate_parenthesis.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/kth-largest-element-in-a-stream.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/max_area.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/for.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/remove_palindrome_sub.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/palindromic-substrings2.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/median-of-two-sorted-arrays.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/longest_valid_parentheses.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/longest-palindromic-substring.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/is_palindrome.rs from 2018 edition to 2021
[INFO] [stdout] error[E0425]: cannot find value `print_dot` in this scope
[INFO] [stdout]   --> src/bin/stack.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     print_dot
[INFO] [stdout]    |     ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `demo` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/bin/int_to_roman.rs:17:23
[INFO] [stdout]    |
[INFO] [stdout] 17 |     String::from_utf8(chars).unwrap()
[INFO] [stdout]    |                       ^^^^^ expected `u8`, found `char`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `Vec<u8>`
[INFO] [stdout]               found struct `Vec<char>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/bin/re-space-lcci.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> src/bin/re-space-lcci.rs:3:58
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn respace(dictionary: Vec<String>, sentence: String) -> i32 {
[INFO] [stdout]   |    -------                                               ^^^ expected `i32`, found `()`
[INFO] [stdout]   |    |
[INFO] [stdout]   |    implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `print_dot` in this scope
[INFO] [stdout]   --> src/bin/stack.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     print_dot
[INFO] [stdout]    |     ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr]        Fixed src/bin/palindromic-substrings2.rs (1 fix)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/bin/int_to_roman.rs:17:23
[INFO] [stdout]    |
[INFO] [stdout] 17 |     String::from_utf8(chars).unwrap()
[INFO] [stdout]    |                       ^^^^^ expected `u8`, found `char`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `Vec<u8>`
[INFO] [stdout]               found struct `Vec<char>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/bin/re-space-lcci.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> src/bin/re-space-lcci.rs:3:58
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn respace(dictionary: Vec<String>, sentence: String) -> i32 {
[INFO] [stdout]   |    -------                                               ^^^ expected `i32`, found `()`
[INFO] [stdout]   |    |
[INFO] [stdout]   |    implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[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" "25e369dd05126197370f43478203e7f769d2b05e7d601bc0a3e587c5244c75cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25e369dd05126197370f43478203e7f769d2b05e7d601bc0a3e587c5244c75cd", kill_on_drop: false }`
[INFO] [stdout] 25e369dd05126197370f43478203e7f769d2b05e7d601bc0a3e587c5244c75cd