[INFO] cloning repository https://github.com/wijiler/Ferriclang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wijiler/Ferriclang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwijiler%2FFerriclang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwijiler%2FFerriclang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6b7b5b917bdf2d1ff8f872bc186222a1414b21e0
[INFO] checking wijiler/Ferriclang against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwijiler%2FFerriclang" "/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/wijiler/Ferriclang on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wijiler/Ferriclang
[INFO] finished tweaking git repo https://github.com/wijiler/Ferriclang
[INFO] tweaked toml for git repo https://github.com/wijiler/Ferriclang written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/wijiler/Ferriclang already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e97925c7fb334c1a93a00b89d4649403e7b28ca042bf4b352d849332bcddbe71
[INFO] running `Command { std: "docker" "start" "-a" "e97925c7fb334c1a93a00b89d4649403e7b28ca042bf4b352d849332bcddbe71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e97925c7fb334c1a93a00b89d4649403e7b28ca042bf4b352d849332bcddbe71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e97925c7fb334c1a93a00b89d4649403e7b28ca042bf4b352d849332bcddbe71", kill_on_drop: false }`
[INFO] [stdout] e97925c7fb334c1a93a00b89d4649403e7b28ca042bf4b352d849332bcddbe71
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16949c391e932a0761df69b3fb337ca367b66a3a1cb193c8141ec45fbc128aaa
[INFO] running `Command { std: "docker" "start" "-a" "16949c391e932a0761df69b3fb337ca367b66a3a1cb193c8141ec45fbc128aaa", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking ferriclang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Plus`
[INFO] [stdout]  --> src/./lexer/./token.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Plus,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Lparen`
[INFO] [stdout]  --> src/./lexer/./token.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Lparen,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Rparen`
[INFO] [stdout]  --> src/./lexer/./token.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Rparen,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Colon`
[INFO] [stdout]  --> src/./lexer/./token.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Colon,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ColonColon`
[INFO] [stdout]  --> src/./lexer/./token.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     ColonColon,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Semi`
[INFO] [stdout]   --> src/./lexer/./token.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Semi,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Rbrack`
[INFO] [stdout]   --> src/./lexer/./token.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Rbrack,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Lbrack`
[INFO] [stdout]   --> src/./lexer/./token.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Lbrack,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `RCbrack`
[INFO] [stdout]   --> src/./lexer/./token.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     RCbrack,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LCbrack`
[INFO] [stdout]   --> src/./lexer/./token.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     LCbrack,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Int`
[INFO] [stdout]   --> src/./lexer/./token.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     Int,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Float`
[INFO] [stdout]   --> src/./lexer/./token.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Float,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Bool`
[INFO] [stdout]   --> src/./lexer/./token.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     Bool,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `True`
[INFO] [stdout]   --> src/./lexer/./token.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     True,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `False`
[INFO] [stdout]   --> src/./lexer/./token.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     False,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Fn`
[INFO] [stdout]   --> src/./lexer/./token.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Fn,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `String`
[INFO] [stdout]   --> src/./lexer/./token.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `main`
[INFO] [stdout]  --> src/./lexer/lexer.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn main () {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Plus`
[INFO] [stdout]  --> src/./lexer/./token.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Plus,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Plus`
[INFO] [stdout]  --> src/./lexer/./token.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Plus,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Lparen`
[INFO] [stdout]  --> src/./lexer/./token.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Lparen,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Rparen`
[INFO] [stdout]  --> src/./lexer/./token.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Rparen,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Colon`
[INFO] [stdout]  --> src/./lexer/./token.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Colon,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ColonColon`
[INFO] [stdout]  --> src/./lexer/./token.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     ColonColon,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Semi`
[INFO] [stdout]   --> src/./lexer/./token.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Semi,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Rbrack`
[INFO] [stdout]   --> src/./lexer/./token.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Rbrack,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Lbrack`
[INFO] [stdout]   --> src/./lexer/./token.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Lbrack,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `RCbrack`
[INFO] [stdout]   --> src/./lexer/./token.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     RCbrack,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LCbrack`
[INFO] [stdout]   --> src/./lexer/./token.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     LCbrack,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Int`
[INFO] [stdout]   --> src/./lexer/./token.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     Int,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Float`
[INFO] [stdout]   --> src/./lexer/./token.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Float,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Bool`
[INFO] [stdout]   --> src/./lexer/./token.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     Bool,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `True`
[INFO] [stdout]   --> src/./lexer/./token.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     True,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `False`
[INFO] [stdout]   --> src/./lexer/./token.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     False,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Fn`
[INFO] [stdout]   --> src/./lexer/./token.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Fn,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `String`
[INFO] [stdout]   --> src/./lexer/./token.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `main`
[INFO] [stdout]  --> src/./lexer/lexer.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn main () {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Plus`
[INFO] [stdout]  --> src/./lexer/./token.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Plus,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "16949c391e932a0761df69b3fb337ca367b66a3a1cb193c8141ec45fbc128aaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16949c391e932a0761df69b3fb337ca367b66a3a1cb193c8141ec45fbc128aaa", kill_on_drop: false }`
[INFO] [stdout] 16949c391e932a0761df69b3fb337ca367b66a3a1cb193c8141ec45fbc128aaa