[INFO] fetching crate rslint_rowan 0.10.0...
[INFO] checking rslint_rowan-0.10.0 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate rslint_rowan 0.10.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate rslint_rowan 0.10.0 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "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-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded m_lexer v0.0.4
[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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a2978d75ed0a7759e1e7323d53eca3a62af2e61ba2127e8c3589a3fe1a706eb1
[INFO] running `Command { std: "docker" "start" "-a" "a2978d75ed0a7759e1e7323d53eca3a62af2e61ba2127e8c3589a3fe1a706eb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2978d75ed0a7759e1e7323d53eca3a62af2e61ba2127e8c3589a3fe1a706eb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2978d75ed0a7759e1e7323d53eca3a62af2e61ba2127e8c3589a3fe1a706eb1", kill_on_drop: false }`
[INFO] [stdout] a2978d75ed0a7759e1e7323d53eca3a62af2e61ba2127e8c3589a3fe1a706eb1
[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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6fe310043565e9ca065ae9bb1e8ddb1bcb1ae97fac03d9ffa4aa8e56fe4f4564
[INFO] running `Command { std: "docker" "start" "-a" "6fe310043565e9ca065ae9bb1e8ddb1bcb1ae97fac03d9ffa4aa8e56fe4f4564", kill_on_drop: false }`
[INFO] [stderr]    Compiling erasable v1.2.1
[INFO] [stderr]    Compiling slice-dst v1.5.1
[INFO] [stderr]     Checking text-size v1.1.1
[INFO] [stderr]     Checking smol_str v0.1.24
[INFO] [stderr]     Checking m_lexer v0.0.4
[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 1.26s
[INFO] running `Command { std: "docker" "inspect" "6fe310043565e9ca065ae9bb1e8ddb1bcb1ae97fac03d9ffa4aa8e56fe4f4564", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fe310043565e9ca065ae9bb1e8ddb1bcb1ae97fac03d9ffa4aa8e56fe4f4564", kill_on_drop: false }`
[INFO] [stdout] 6fe310043565e9ca065ae9bb1e8ddb1bcb1ae97fac03d9ffa4aa8e56fe4f4564