[INFO] cloning repository https://github.com/meddion/fugue
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/meddion/fugue" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeddion%2Ffugue", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeddion%2Ffugue'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9ad7c4b881efcb66a6edde1681a01aadc4a12142
[INFO] building meddion/fugue against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeddion%2Ffugue" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/meddion/fugue on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/meddion/fugue
[INFO] finished tweaking git repo https://github.com/meddion/fugue
[INFO] tweaked toml for git repo https://github.com/meddion/fugue written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/meddion/fugue 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 11a698377e8660431692cb2257ec3644cc2dd11f38e43d5dcafa79fc6daf53f0
[INFO] running `Command { std: "docker" "start" "-a" "11a698377e8660431692cb2257ec3644cc2dd11f38e43d5dcafa79fc6daf53f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11a698377e8660431692cb2257ec3644cc2dd11f38e43d5dcafa79fc6daf53f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11a698377e8660431692cb2257ec3644cc2dd11f38e43d5dcafa79fc6daf53f0", kill_on_drop: false }`
[INFO] [stdout] 11a698377e8660431692cb2257ec3644cc2dd11f38e43d5dcafa79fc6daf53f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84ce178b6c37bc0f3e6cf9ffe4a516addc16db1e4b8533be5465629f601f7287
[INFO] running `Command { std: "docker" "start" "-a" "84ce178b6c37bc0f3e6cf9ffe4a516addc16db1e4b8533be5465629f601f7287", kill_on_drop: false }`
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling fugue v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected `{`, found `Err`
[INFO] [stdout]    --> src/ast/mod.rs:118:9
[INFO] [stdout]     |
[INFO] [stdout] 110 |           while if let Some(Some(token)) = token_iter.next() {
[INFO] [stdout]     |  _________-----_-
[INFO] [stdout]     | |         |
[INFO] [stdout]     | |         while parsing the body of this `while` expression
[INFO] [stdout] 111 | |             match token {
[INFO] [stdout] 112 | |                Token::Str(string) => return Ok(Expression::Str(string.clone())),
[INFO] [stdout] 113 | |                 _ => (),
[INFO] [stdout] ...   |
[INFO] [stdout] 116 | |         }
[INFO] [stdout]     | |_________- this `while` condition successfully parsed
[INFO] [stdout] 117 |
[INFO] [stdout] 118 |           Err(AstError::Expression)
[INFO] [stdout]     |           ^^^ expected `{`
[INFO] [stdout]     |
[INFO] [stdout] help: you might have meant to write this as part of a block
[INFO] [stdout]     |
[INFO] [stdout] 118 |         { Err(AstError::Expression) }
[INFO] [stdout]     |         +                           +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `next_is_equal_to` and `next_is_of_type`
[INFO] [stdout]  --> src/lexer.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::tokens::{next_is_equal_to, next_is_of_type, Token};
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fugue` (bin "fugue") due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "84ce178b6c37bc0f3e6cf9ffe4a516addc16db1e4b8533be5465629f601f7287", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84ce178b6c37bc0f3e6cf9ffe4a516addc16db1e4b8533be5465629f601f7287", kill_on_drop: false }`
[INFO] [stdout] 84ce178b6c37bc0f3e6cf9ffe4a516addc16db1e4b8533be5465629f601f7287