[INFO] fetching crate filesystem-kind 0.2.0...
[INFO] checking filesystem-kind-0.2.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate filesystem-kind 0.2.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate filesystem-kind 0.2.0
[INFO] finished tweaking crates.io crate filesystem-kind 0.2.0
[INFO] tweaked toml for crates.io crate filesystem-kind 0.2.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate filesystem-kind 0.2.0 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 18 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 56801d2ca5b087773a5ad04be73a1384c2da792bb9b7c33465d07415fc0e9382
[INFO] running `Command { std: "docker" "start" "-a" "56801d2ca5b087773a5ad04be73a1384c2da792bb9b7c33465d07415fc0e9382", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56801d2ca5b087773a5ad04be73a1384c2da792bb9b7c33465d07415fc0e9382", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56801d2ca5b087773a5ad04be73a1384c2da792bb9b7c33465d07415fc0e9382", kill_on_drop: false }`
[INFO] [stdout] 56801d2ca5b087773a5ad04be73a1384c2da792bb9b7c33465d07415fc0e9382
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7aeddd621093745ac7d1fa7ed88773fafe0bb49da5ee1a7e57a7b6a07b7bb5f
[INFO] running `Command { std: "docker" "start" "-a" "b7aeddd621093745ac7d1fa7ed88773fafe0bb49da5ee1a7e57a7b6a07b7bb5f", kill_on_drop: false }`
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking filesystem-kind v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `FileSystemName`
[INFO] [stdout]  --> src/linux.rs:5:29
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::{FileSystemKind, FileSystemName};
[INFO] [stdout]   |                             ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]  --> src/linux.rs:7:19
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn filesystem(file: &File) -> Result<FileSystemKind, std::io::Error> {
[INFO] [stdout]   |                   ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FileSystemName`
[INFO] [stdout]  --> src/linux.rs:5:29
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::{FileSystemKind, FileSystemName};
[INFO] [stdout]   |                             ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]  --> src/linux.rs:7:19
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn filesystem(file: &File) -> Result<FileSystemKind, std::io::Error> {
[INFO] [stdout]   |                   ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "b7aeddd621093745ac7d1fa7ed88773fafe0bb49da5ee1a7e57a7b6a07b7bb5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7aeddd621093745ac7d1fa7ed88773fafe0bb49da5ee1a7e57a7b6a07b7bb5f", kill_on_drop: false }`
[INFO] [stdout] b7aeddd621093745ac7d1fa7ed88773fafe0bb49da5ee1a7e57a7b6a07b7bb5f