[INFO] cloning repository https://github.com/GildedHonour/lexer_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GildedHonour/lexer_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGildedHonour%2Flexer_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGildedHonour%2Flexer_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9a4355560f5e0cecaa989f7533c0e1267a31d385
[INFO] testing GildedHonour/lexer_rs against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGildedHonour%2Flexer_rs" "/workspace/builds/worker-43/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-43/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/GildedHonour/lexer_rs on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/GildedHonour/lexer_rs
[INFO] finished tweaking git repo https://github.com/GildedHonour/lexer_rs
[INFO] tweaked toml for git repo https://github.com/GildedHonour/lexer_rs written to /workspace/builds/worker-43/source/Cargo.toml
[INFO] crate git repo https://github.com/GildedHonour/lexer_rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] acd0d5f917c4aab72fba0166226ed6844a8bb5d292763bb93c5b1f2e7e49216c
[INFO] running `Command { std: "docker" "start" "-a" "acd0d5f917c4aab72fba0166226ed6844a8bb5d292763bb93c5b1f2e7e49216c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "acd0d5f917c4aab72fba0166226ed6844a8bb5d292763bb93c5b1f2e7e49216c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acd0d5f917c4aab72fba0166226ed6844a8bb5d292763bb93c5b1f2e7e49216c", kill_on_drop: false }`
[INFO] [stdout] acd0d5f917c4aab72fba0166226ed6844a8bb5d292763bb93c5b1f2e7e49216c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d8b81c3f86fe8bdf62c3769dded50c487627588ddca56906035977f201196cd
[INFO] running `Command { std: "docker" "start" "-a" "6d8b81c3f86fe8bdf62c3769dded50c487627588ddca56906035977f201196cd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling lexer_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected one of `,`, `.`, `?`, `}`, or an operator, found `{`
[INFO] [stdout]   --> src/main.rs:44:27
[INFO] [stdout]    |
[INFO] [stdout] 43 |     'd' =>
[INFO] [stdout]    |         -- while parsing the `match` arm starting here
[INFO] [stdout] 44 |       switch (*(pos - 1)) {
[INFO] [stdout]    |                           ^ expected one of `,`, `.`, `?`, `}`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `match` arm body without braces
[INFO] [stdout]    --> src/main.rs:147:7
[INFO] [stdout]     |
[INFO] [stdout] 146 |     '>' =>
[INFO] [stdout]     |         -- while parsing the `match` arm starting here
[INFO] [stdout] 147 |       return *(curPos - 1) == '=';
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^- help: use a comma to end a `match` arm expression: `,`
[INFO] [stdout]     |       |
[INFO] [stdout]     |       this statement is not surrounded by a body
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `,`, `.`, `?`, `}`, or an operator, found `=>`
[INFO] [stdout]    --> src/main.rs:149:9
[INFO] [stdout]     |
[INFO] [stdout] 148 |     ';' =>
[INFO] [stdout]     |         -- while parsing the `match` arm starting here
[INFO] [stdout] 149 |     ')' =>
[INFO] [stdout]     |         ^^ expected one of `,`, `.`, `?`, `}`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `readPrecedingKeyword5` in this scope
[INFO] [stdout]    --> src/main.rs:114:3
[INFO] [stdout]     |
[INFO] [stdout] 114 |   readPrecedingKeyword5(curPos, 'w', 'h', 'i', 'l', 'e') ||
[INFO] [stdout]     |   ^^^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `curPos` in this scope
[INFO] [stdout]    --> src/main.rs:114:25
[INFO] [stdout]     |
[INFO] [stdout] 114 |   readPrecedingKeyword5(curPos, 'w', 'h', 'i', 'l', 'e') ||
[INFO] [stdout]     |                         ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `readPrecedingKeyword3` in this scope
[INFO] [stdout]    --> src/main.rs:115:3
[INFO] [stdout]     |
[INFO] [stdout] 115 |   readPrecedingKeyword3(curPos, 'f', 'o', 'r') ||
[INFO] [stdout]     |   ^^^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `curPos` in this scope
[INFO] [stdout]    --> src/main.rs:115:25
[INFO] [stdout]     |
[INFO] [stdout] 115 |   readPrecedingKeyword3(curPos, 'f', 'o', 'r') ||
[INFO] [stdout]     |                         ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `readPrecedingKeyword2` in this scope
[INFO] [stdout]    --> src/main.rs:116:3
[INFO] [stdout]     |
[INFO] [stdout] 116 |   readPrecedingKeyword2(curPos, 'i', 'f')
[INFO] [stdout]     |   ^^^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `curPos` in this scope
[INFO] [stdout]    --> src/main.rs:116:25
[INFO] [stdout]     |
[INFO] [stdout] 116 |   readPrecedingKeyword2(curPos, 'i', 'f')
[INFO] [stdout]     |                         ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/main.rs:110:3
[INFO] [stdout]     |
[INFO] [stdout] 42  | /   match ch {
[INFO] [stdout] 43  | |     'd' =>
[INFO] [stdout] 44  | |       switch (*(pos - 1)) {
[INFO] [stdout] 45  | |         case 'i':
[INFO] [stdout] ...   |
[INFO] [stdout] 108 | |       }
[INFO] [stdout] 109 | |   }
[INFO] [stdout]     | |___- any code following this expression is unreachable
[INFO] [stdout] 110 |     return false;
[INFO] [stdout]     |     ^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/main.rs:124:9
[INFO] [stdout]     |
[INFO] [stdout] 124 |   (ch > 39 && ch < 48) ||
[INFO] [stdout]     |         ^^ expected `char`, found `u8`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/main.rs:124:20
[INFO] [stdout]     |
[INFO] [stdout] 124 |   (ch > 39 && ch < 48) ||
[INFO] [stdout]     |                    ^^ expected `char`, found `u8`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/main.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout] 125 |   (ch > 57 && ch < 64) ||
[INFO] [stdout]     |         ^^ expected `char`, found `u8`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/main.rs:125:20
[INFO] [stdout]     |
[INFO] [stdout] 125 |   (ch > 57 && ch < 64) ||
[INFO] [stdout]     |                    ^^ expected `char`, found `u8`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/main.rs:128:8
[INFO] [stdout]     |
[INFO] [stdout] 128 |   ch > 122 && ch < 127
[INFO] [stdout]     |        ^^^ expected `char`, found `u8`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/main.rs:128:20
[INFO] [stdout]     |
[INFO] [stdout] 128 |   ch > 122 && ch < 127
[INFO] [stdout]     |                    ^^^ expected `char`, found `u8`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/main.rs:134:10
[INFO] [stdout]     |
[INFO] [stdout] 134 |     ch > 39 && ch < 47 && ch != 41 || ch > 57 && ch < 64 ||
[INFO] [stdout]     |          ^^ expected `char`, found `u8`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/main.rs:134:21
[INFO] [stdout]     |
[INFO] [stdout] 134 |     ch > 39 && ch < 47 && ch != 41 || ch > 57 && ch < 64 ||
[INFO] [stdout]     |                     ^^ expected `char`, found `u8`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/main.rs:134:33
[INFO] [stdout]     |
[INFO] [stdout] 134 |     ch > 39 && ch < 47 && ch != 41 || ch > 57 && ch < 64 ||
[INFO] [stdout]     |                                 ^^ expected `char`, found `u8`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/main.rs:134:44
[INFO] [stdout]     |
[INFO] [stdout] 134 |     ch > 39 && ch < 47 && ch != 41 || ch > 57 && ch < 64 ||
[INFO] [stdout]     |                                            ^^ expected `char`, found `u8`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/main.rs:134:55
[INFO] [stdout]     |
[INFO] [stdout] 134 |     ch > 39 && ch < 47 && ch != 41 || ch > 57 && ch < 64 ||
[INFO] [stdout]     |                                                       ^^ expected `char`, found `u8`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/main.rs:135:36
[INFO] [stdout]     |
[INFO] [stdout] 135 |     ch == '[' || ch == '^' || ch > 122 && ch < 127 && ch != '}';
[INFO] [stdout]     |                                    ^^^ expected `char`, found `u8`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/main.rs:135:48
[INFO] [stdout]     |
[INFO] [stdout] 135 |     ch == '[' || ch == '^' || ch > 122 && ch < 127 && ch != '}';
[INFO] [stdout]     |                                                ^^^ expected `char`, found `u8`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 22 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0425.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lexer_rs` due to 23 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "6d8b81c3f86fe8bdf62c3769dded50c487627588ddca56906035977f201196cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d8b81c3f86fe8bdf62c3769dded50c487627588ddca56906035977f201196cd", kill_on_drop: false }`
[INFO] [stdout] 6d8b81c3f86fe8bdf62c3769dded50c487627588ddca56906035977f201196cd