[INFO] fetching crate pk_lexer 0.0.5-dev...
[INFO] checking pk_lexer-0.0.5-dev against try#23ffd2897cbb44320ca18dfe4d05dbacb37d55e0 for pr-115950
[INFO] extracting crate pk_lexer 0.0.5-dev into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate pk_lexer 0.0.5-dev on toolchain 23ffd2897cbb44320ca18dfe4d05dbacb37d55e0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pk_lexer 0.0.5-dev
[INFO] finished tweaking crates.io crate pk_lexer 0.0.5-dev
[INFO] tweaked toml for crates.io crate pk_lexer 0.0.5-dev written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5e7cd645a4b52138bd3195ccfb7532470b1ef8a5cf475fc5d6b27d80c4a2cd35
[INFO] running `Command { std: "docker" "start" "-a" "5e7cd645a4b52138bd3195ccfb7532470b1ef8a5cf475fc5d6b27d80c4a2cd35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e7cd645a4b52138bd3195ccfb7532470b1ef8a5cf475fc5d6b27d80c4a2cd35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e7cd645a4b52138bd3195ccfb7532470b1ef8a5cf475fc5d6b27d80c4a2cd35", kill_on_drop: false }`
[INFO] [stdout] 5e7cd645a4b52138bd3195ccfb7532470b1ef8a5cf475fc5d6b27d80c4a2cd35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a21b1ae3a95b85444c9f601617e21fe40a7fcae8922336f543d13004322bf448
[INFO] running `Command { std: "docker" "start" "-a" "a21b1ae3a95b85444c9f601617e21fe40a7fcae8922336f543d13004322bf448", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling logos-derive v0.12.1
[INFO] [stderr]     Checking logos v0.12.1
[INFO] [stderr]     Checking pk_lexer v0.0.5-dev (/opt/rustwide/workdir)
[INFO] [stdout] error[E0499]: cannot borrow `*lex` as mutable more than once at a time
[INFO] [stdout]   --> src/tokens.rs:17:10
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[derive(Logos, PartialEq, Clone, Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    |          |
[INFO] [stdout]    |          `*lex` was mutably borrowed here in the previous iteration of the loop
[INFO] [stdout]    |          first borrow later used by call
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Logos` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0499]: cannot borrow `*lex` as mutable more than once at a time
[INFO] [stdout]   --> src/tokens.rs:17:10
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[derive(Logos, PartialEq, Clone, Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    |          |
[INFO] [stdout]    |          `*lex` was mutably borrowed here in the previous iteration of the loop
[INFO] [stdout]    |          first borrow later used by call
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Logos` (in Nightly builds, run with -Z macro-backtrace for more info)
[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 E0499`.
[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 E0499`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pk_lexer` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `pk_lexer` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "a21b1ae3a95b85444c9f601617e21fe40a7fcae8922336f543d13004322bf448", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a21b1ae3a95b85444c9f601617e21fe40a7fcae8922336f543d13004322bf448", kill_on_drop: false }`
[INFO] [stdout] a21b1ae3a95b85444c9f601617e21fe40a7fcae8922336f543d13004322bf448