[INFO] fetching crate rslint_rowan 0.10.0...
[INFO] checking rslint_rowan-0.10.0 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate rslint_rowan 0.10.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate rslint_rowan 0.10.0 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 rslint_rowan 0.10.0
[INFO] finished tweaking crates.io crate rslint_rowan 0.10.0
[INFO] tweaked toml for crates.io crate rslint_rowan 0.10.0 written to /workspace/builds/worker-6-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 20 packages to latest compatible versions
[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 m_lexer v0.0.4
[INFO] [stderr]   Downloaded slice-dst v1.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 9ba2fec87a37b28fab1d65fbdbfa3539f9362bd3f4e99a98eee44bf24ab9970f
[INFO] running `Command { std: "docker" "start" "-a" "9ba2fec87a37b28fab1d65fbdbfa3539f9362bd3f4e99a98eee44bf24ab9970f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ba2fec87a37b28fab1d65fbdbfa3539f9362bd3f4e99a98eee44bf24ab9970f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ba2fec87a37b28fab1d65fbdbfa3539f9362bd3f4e99a98eee44bf24ab9970f", kill_on_drop: false }`
[INFO] [stdout] 9ba2fec87a37b28fab1d65fbdbfa3539f9362bd3f4e99a98eee44bf24ab9970f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 487aed643acc5fc15930482d9f048e9994afd446a4bdba2d5556341b234f1e90
[INFO] running `Command { std: "docker" "start" "-a" "487aed643acc5fc15930482d9f048e9994afd446a4bdba2d5556341b234f1e90", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.209
[INFO] [stderr]    Compiling slice-dst v1.5.1
[INFO] [stderr]     Checking text-size v1.1.1
[INFO] [stderr]     Checking erasable v1.2.1
[INFO] [stderr]     Checking m_lexer v0.0.4
[INFO] [stderr]     Checking smol_str v0.1.24
[INFO] [stderr]     Checking rslint_rowan v0.10.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `NodeCache`
[INFO] [stdout]   --> src/green.rs:10:45
[INFO] [stdout]    |
[INFO] [stdout] 10 |     builder::{Checkpoint, GreenNodeBuilder, NodeCache},
[INFO] [stdout]    |                                             ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `NodeCache`
[INFO] [stdout]   --> src/green.rs:10:45
[INFO] [stdout]    |
[INFO] [stdout] 10 |     builder::{Checkpoint, GreenNodeBuilder, NodeCache},
[INFO] [stdout]    |                                             ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/syntax_text.rs:102:13
[INFO] [stdout]     |
[INFO] [stdout] 102 |             Err(void) => match void {},
[INFO] [stdout]     |             ^^^^^^^^^ matches no values because `Void` is uninhabited
[INFO] [stdout]     |
[INFO] [stdout]     = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/syntax_text.rs:102:13
[INFO] [stdout]     |
[INFO] [stdout] 102 |             Err(void) => match void {},
[INFO] [stdout]     |             ^^^^^^^^^ matches no values because `Void` is uninhabited
[INFO] [stdout]     |
[INFO] [stdout]     = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` 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 2.88s
[INFO] running `Command { std: "docker" "inspect" "487aed643acc5fc15930482d9f048e9994afd446a4bdba2d5556341b234f1e90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "487aed643acc5fc15930482d9f048e9994afd446a4bdba2d5556341b234f1e90", kill_on_drop: false }`
[INFO] [stdout] 487aed643acc5fc15930482d9f048e9994afd446a4bdba2d5556341b234f1e90