[INFO] cloning repository https://github.com/axelf4/fun-lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/axelf4/fun-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faxelf4%2Ffun-lang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faxelf4%2Ffun-lang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 25d2235501d55df0b33b8147ec1d3c810f2649cf
[INFO] checking axelf4/fun-lang against try#23ffd2897cbb44320ca18dfe4d05dbacb37d55e0 for pr-115950
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faxelf4%2Ffun-lang" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/axelf4/fun-lang 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] removed /workspace/builds/worker-1-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/axelf4/fun-lang
[INFO] finished tweaking git repo https://github.com/axelf4/fun-lang
[INFO] tweaked toml for git repo https://github.com/axelf4/fun-lang written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/axelf4/fun-lang already has a lockfile, it will not be regenerated
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 6103a6f202592f41f6f4cd7d16aab7709f363d758bb2931f3eb2b5d36b7b7693
[INFO] running `Command { std: "docker" "start" "-a" "6103a6f202592f41f6f4cd7d16aab7709f363d758bb2931f3eb2b5d36b7b7693", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6103a6f202592f41f6f4cd7d16aab7709f363d758bb2931f3eb2b5d36b7b7693", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6103a6f202592f41f6f4cd7d16aab7709f363d758bb2931f3eb2b5d36b7b7693", kill_on_drop: false }`
[INFO] [stdout] 6103a6f202592f41f6f4cd7d16aab7709f363d758bb2931f3eb2b5d36b7b7693
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 7f0c7041c2acfcc8fe5c00db3434de2e84064f5ae80576385d51753d98fb7ec6
[INFO] running `Command { std: "docker" "start" "-a" "7f0c7041c2acfcc8fe5c00db3434de2e84064f5ae80576385d51753d98fb7ec6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling lock_api v0.4.8
[INFO] [stderr]     Checking once_cell v1.13.1
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[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling smallvec v1.7.0
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.10
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
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[INFO] [stderr]    Compiling phf_shared v0.8.0
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[INFO] [stderr]    Compiling salsa-2022-macros v0.1.0 (https://github.com/salsa-rs/salsa#e99e45d3)
[INFO] [stderr]    Compiling logos-derive v0.12.0
[INFO] [stderr]     Checking logos v0.12.0
[INFO] [stderr]     Checking salsa-2022 v0.1.0 (https://github.com/salsa-rs/salsa#e99e45d3)
[INFO] [stderr]    Compiling fun-lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0499]: cannot borrow `*lex` as mutable more than once at a time
[INFO] [stdout]  --> src/lexer.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Logos, Clone, Copy, PartialEq, 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/lexer.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Logos, Clone, Copy, PartialEq, 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] [stderr] error: could not compile `fun-lang` (bin "fun-lang") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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 `fun-lang` (bin "fun-lang" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "7f0c7041c2acfcc8fe5c00db3434de2e84064f5ae80576385d51753d98fb7ec6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f0c7041c2acfcc8fe5c00db3434de2e84064f5ae80576385d51753d98fb7ec6", kill_on_drop: false }`
[INFO] [stdout] 7f0c7041c2acfcc8fe5c00db3434de2e84064f5ae80576385d51753d98fb7ec6