[INFO] fetching crate mun_syntax 0.4.0...
[INFO] checking mun_syntax-0.4.0 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate mun_syntax 0.4.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate mun_syntax 0.4.0 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mun_syntax 0.4.0
[INFO] finished tweaking crates.io crate mun_syntax 0.4.0
[INFO] tweaked toml for crates.io crate mun_syntax 0.4.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 44 packages to latest compatible versions
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.13.0)
[INFO] [stderr]       Adding ra_ap_text_edit v0.0.142 (latest: v0.0.232)
[INFO] [stderr]       Adding rustc-hash v1.1.0 (latest: v2.0.0)
[INFO] [stderr]       Adding smol_str v0.1.24 (latest: v0.2.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded smol_str v0.1.24
[INFO] [stderr]   Downloaded drop_bomb v0.1.5
[INFO] [stderr]   Downloaded extendhash v1.0.10
[INFO] [stderr]   Downloaded ra_ap_text_edit v0.0.142
[INFO] [stderr]   Downloaded mun_abi v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d54ea6cffe536ea0204fc62195b856bd01f0a3bb5b65bbda115f39dd81a518a
[INFO] running `Command { std: "docker" "start" "-a" "4d54ea6cffe536ea0204fc62195b856bd01f0a3bb5b65bbda115f39dd81a518a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d54ea6cffe536ea0204fc62195b856bd01f0a3bb5b65bbda115f39dd81a518a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d54ea6cffe536ea0204fc62195b856bd01f0a3bb5b65bbda115f39dd81a518a", kill_on_drop: false }`
[INFO] [stdout] 4d54ea6cffe536ea0204fc62195b856bd01f0a3bb5b65bbda115f39dd81a518a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd08c7e2e16a7432ff1b56bae7a308092544270c67de198a36febb04280f5e92
[INFO] running `Command { std: "docker" "start" "-a" "dd08c7e2e16a7432ff1b56bae7a308092544270c67de198a36febb04280f5e92", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.209
[INFO] [stderr]     Checking countme v3.0.1
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking extendhash v1.0.10
[INFO] [stderr]     Checking unicode-xid v0.2.5
[INFO] [stderr]     Checking similar v2.6.0
[INFO] [stderr]     Checking drop_bomb v0.1.5
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking mun_abi v0.4.0
[INFO] [stderr]     Checking insta v1.39.0
[INFO] [stderr]     Checking text-size v1.1.1
[INFO] [stderr]     Checking smol_str v0.1.24
[INFO] [stderr]     Checking rowan v0.15.16
[INFO] [stderr]     Checking ra_ap_text_edit v0.0.142
[INFO] [stderr]     Checking mun_syntax v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `NodeOrToken`
[INFO] [stdout]   --> src/syntax_node.rs:38:28
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub use rowan::{Direction, NodeOrToken};
[INFO] [stdout]    |                            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `NodeOrToken`
[INFO] [stdout]   --> src/syntax_node.rs:38:28
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub use rowan::{Direction, NodeOrToken};
[INFO] [stdout]    |                            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `current` is never used
[INFO] [stdout]   --> src/parsing.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | trait TokenSource {
[INFO] [stdout]    |       ----------- method in this trait
[INFO] [stdout] 20 |     fn current(&self) -> Token;
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `current` is never used
[INFO] [stdout]   --> src/parsing.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | trait TokenSource {
[INFO] [stdout]    |       ----------- method in this trait
[INFO] [stdout] 20 |     fn current(&self) -> Token;
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.38s
[INFO] running `Command { std: "docker" "inspect" "dd08c7e2e16a7432ff1b56bae7a308092544270c67de198a36febb04280f5e92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd08c7e2e16a7432ff1b56bae7a308092544270c67de198a36febb04280f5e92", kill_on_drop: false }`
[INFO] [stdout] dd08c7e2e16a7432ff1b56bae7a308092544270c67de198a36febb04280f5e92