[INFO] fetching crate rslint_rowan 0.10.0...
[INFO] checking rslint_rowan-0.10.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate rslint_rowan 0.10.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate rslint_rowan 0.10.0 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "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-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded m_lexer v0.0.4
[INFO] [stderr]   Downloaded smol_str v0.1.24
[INFO] [stderr]   Downloaded slice-dst v1.5.1
[INFO] [stderr]   Downloaded erasable v1.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 04597507d679e39d4333ca4764e7bd402a5346f6a86574d24125efe7fcf5d69a
[INFO] running `Command { std: "docker" "start" "-a" "04597507d679e39d4333ca4764e7bd402a5346f6a86574d24125efe7fcf5d69a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04597507d679e39d4333ca4764e7bd402a5346f6a86574d24125efe7fcf5d69a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04597507d679e39d4333ca4764e7bd402a5346f6a86574d24125efe7fcf5d69a", kill_on_drop: false }`
[INFO] [stdout] 04597507d679e39d4333ca4764e7bd402a5346f6a86574d24125efe7fcf5d69a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f960c6f49669c46d958f2b7ce098da46ebe6438563a36192079d1e16929219b
[INFO] running `Command { std: "docker" "start" "-a" "9f960c6f49669c46d958f2b7ce098da46ebe6438563a36192079d1e16929219b", kill_on_drop: false }`
[INFO] [stderr]    Compiling erasable v1.2.1
[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 rustc-hash v1.1.0
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking regex v1.10.6
[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: 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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.60s
[INFO] running `Command { std: "docker" "inspect" "9f960c6f49669c46d958f2b7ce098da46ebe6438563a36192079d1e16929219b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f960c6f49669c46d958f2b7ce098da46ebe6438563a36192079d1e16929219b", kill_on_drop: false }`
[INFO] [stdout] 9f960c6f49669c46d958f2b7ce098da46ebe6438563a36192079d1e16929219b