[INFO] cloning repository https://github.com/JoshMcguigan/monkey
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JoshMcguigan/monkey" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoshMcguigan%2Fmonkey", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoshMcguigan%2Fmonkey'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6615e9295df17109f3eb9e7cff436cbdcf14d6ac
[INFO] checking JoshMcguigan/monkey against try#23ffd2897cbb44320ca18dfe4d05dbacb37d55e0 for pr-115950
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoshMcguigan%2Fmonkey" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JoshMcguigan/monkey 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 git repo https://github.com/JoshMcguigan/monkey
[INFO] finished tweaking git repo https://github.com/JoshMcguigan/monkey
[INFO] tweaked toml for git repo https://github.com/JoshMcguigan/monkey written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/JoshMcguigan/monkey 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 84607c8e18d3da4aaa1e8519acf2f1949a2902fd47c257a305e79b17e9723ca5
[INFO] running `Command { std: "docker" "start" "-a" "84607c8e18d3da4aaa1e8519acf2f1949a2902fd47c257a305e79b17e9723ca5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84607c8e18d3da4aaa1e8519acf2f1949a2902fd47c257a305e79b17e9723ca5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84607c8e18d3da4aaa1e8519acf2f1949a2902fd47c257a305e79b17e9723ca5", kill_on_drop: false }`
[INFO] [stdout] 84607c8e18d3da4aaa1e8519acf2f1949a2902fd47c257a305e79b17e9723ca5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 4a87063de7706d45d94c502a109ceb7a9b5106c3a880132d25edff109f74b66a
[INFO] running `Command { std: "docker" "start" "-a" "4a87063de7706d45d94c502a109ceb7a9b5106c3a880132d25edff109f74b66a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling beef v0.4.2
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking unicode-segmentation v1.2.1
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking rustyline v6.1.0
[INFO] [stderr]    Compiling logos-derive v0.11.0-rc5
[INFO] [stderr]     Checking logos v0.11.0-rc5
[INFO] [stderr]     Checking monkey 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/mod.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[derive(Logos, Debug, PartialEq, Clone)]
[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/mod.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[derive(Logos, Debug, PartialEq, Clone)]
[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 `monkey` (bin "monkey") 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 `monkey` (bin "monkey" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "4a87063de7706d45d94c502a109ceb7a9b5106c3a880132d25edff109f74b66a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a87063de7706d45d94c502a109ceb7a9b5106c3a880132d25edff109f74b66a", kill_on_drop: false }`
[INFO] [stdout] 4a87063de7706d45d94c502a109ceb7a9b5106c3a880132d25edff109f74b66a