[INFO] cloning repository https://github.com/Joker/mls
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Joker/mls" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoker%2Fmls", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoker%2Fmls'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ad59c257f1e3134697876f59782d7a9006e8a4bb
[INFO] checking Joker/mls/ad59c257f1e3134697876f59782d7a9006e8a4bb against master#f167efad2f51088d86180ee89177b3d7c9e7c2f5 for pr-129543
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoker%2Fmls" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Joker/mls on toolchain f167efad2f51088d86180ee89177b3d7c9e7c2f5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Joker/mls
[INFO] finished tweaking git repo https://github.com/Joker/mls
[INFO] tweaked toml for git repo https://github.com/Joker/mls written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Joker/mls already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded exacl v0.11.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95c9a174ed6cfc38326247561fcce588ae113260fca21db4d5e73d5d73464a51
[INFO] running `Command { std: "docker" "start" "-a" "95c9a174ed6cfc38326247561fcce588ae113260fca21db4d5e73d5d73464a51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95c9a174ed6cfc38326247561fcce588ae113260fca21db4d5e73d5d73464a51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95c9a174ed6cfc38326247561fcce588ae113260fca21db4d5e73d5d73464a51", kill_on_drop: false }`
[INFO] [stdout] 95c9a174ed6cfc38326247561fcce588ae113260fca21db4d5e73d5d73464a51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1059943d2c3ba22f78a5f96aa2728c3178fe030ce39f2558d582a34b6de3a770
[INFO] running `Command { std: "docker" "start" "-a" "1059943d2c3ba22f78a5f96aa2728c3178fe030ce39f2558d582a34b6de3a770", kill_on_drop: false }`
[INFO] [stderr]    Compiling exacl v0.11.0
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]     Checking uuid v1.4.1
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking mls v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `symlink_attributes` is never used
[INFO] [stdout]   --> src/ext/xattr.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub trait FileAttributes {
[INFO] [stdout]    |           -------------- method in this trait
[INFO] [stdout] 16 |     fn attributes(&self) -> io::Result<Vec<Attribute>>;
[INFO] [stdout] 17 |     fn symlink_attributes(&self) -> io::Result<Vec<Attribute>>;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> src/ext/xattr.rs:54:6
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub struct Attribute {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 53 |     pub name: String,
[INFO] [stdout] 54 |     pub value: String,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Attribute` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `symlink_attributes` is never used
[INFO] [stdout]   --> src/ext/xattr.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub trait FileAttributes {
[INFO] [stdout]    |           -------------- method in this trait
[INFO] [stdout] 16 |     fn attributes(&self) -> io::Result<Vec<Attribute>>;
[INFO] [stdout] 17 |     fn symlink_attributes(&self) -> io::Result<Vec<Attribute>>;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> src/ext/xattr.rs:54:6
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub struct Attribute {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 53 |     pub name: String,
[INFO] [stdout] 54 |     pub value: String,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Attribute` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.29s
[INFO] running `Command { std: "docker" "inspect" "1059943d2c3ba22f78a5f96aa2728c3178fe030ce39f2558d582a34b6de3a770", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1059943d2c3ba22f78a5f96aa2728c3178fe030ce39f2558d582a34b6de3a770", kill_on_drop: false }`
[INFO] [stdout] 1059943d2c3ba22f78a5f96aa2728c3178fe030ce39f2558d582a34b6de3a770