[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 against try#18c1d185ac7a6a3bf399296b35e4b2736809a756 for pr-146972
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoker%2Fmls" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[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-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Joker/mls on toolchain 18c1d185ac7a6a3bf399296b35e4b2736809a756
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+18c1d185ac7a6a3bf399296b35e4b2736809a756" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+18c1d185ac7a6a3bf399296b35e4b2736809a756" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking Joker/mls against try#18c1d185ac7a6a3bf399296b35e4b2736809a756 for pr-146972
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoker%2Fmls" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[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-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Joker/mls on toolchain 18c1d185ac7a6a3bf399296b35e4b2736809a756
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+18c1d185ac7a6a3bf399296b35e4b2736809a756" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+18c1d185ac7a6a3bf399296b35e4b2736809a756" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+18c1d185ac7a6a3bf399296b35e4b2736809a756" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b52a27c1aba0e092be55fed95427a06235bb33131ed11227264b11ebac98e2cb
[INFO] running `Command { std: "docker" "start" "-a" "b52a27c1aba0e092be55fed95427a06235bb33131ed11227264b11ebac98e2cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b52a27c1aba0e092be55fed95427a06235bb33131ed11227264b11ebac98e2cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b52a27c1aba0e092be55fed95427a06235bb33131ed11227264b11ebac98e2cb", kill_on_drop: false }`
[INFO] [stdout] b52a27c1aba0e092be55fed95427a06235bb33131ed11227264b11ebac98e2cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+18c1d185ac7a6a3bf399296b35e4b2736809a756" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c92b5be107c382af7de7056e56c719c7852b2a4db47457b22bfeb274cc6f2d8c
[INFO] running `Command { std: "docker" "start" "-a" "c92b5be107c382af7de7056e56c719c7852b2a4db47457b22bfeb274cc6f2d8c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling exacl v0.11.0
[INFO] [stderr]     Checking uuid v1.4.1
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking mls v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/display/tree.rs:33:25
[INFO] [stdout]    |
[INFO] [stdout] 33 |         files.sort_by_key(|f| (f.line.as_ref().unwrap().time));
[INFO] [stdout]    |                               ^                             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 33 -         files.sort_by_key(|f| (f.line.as_ref().unwrap().time));
[INFO] [stdout] 33 +         files.sort_by_key(|f| f.line.as_ref().unwrap().time );
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/display/tree.rs:35:25
[INFO] [stdout]    |
[INFO] [stdout] 35 |         files.sort_by_key(|f| (f.sname.clone()));
[INFO] [stdout]    |                               ^               ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 35 -         files.sort_by_key(|f| (f.sname.clone()));
[INFO] [stdout] 35 +         files.sort_by_key(|f| f.sname.clone() );
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/main.rs:93:30
[INFO] [stdout]    |
[INFO] [stdout] 93 |             file_list.sort_by_key(|f| (f.line.as_ref().unwrap().time));
[INFO] [stdout]    |                                       ^                             ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 93 -             file_list.sort_by_key(|f| (f.line.as_ref().unwrap().time));
[INFO] [stdout] 93 +             file_list.sort_by_key(|f| f.line.as_ref().unwrap().time );
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/main.rs:97:30
[INFO] [stdout]    |
[INFO] [stdout] 97 |             file_list.sort_by_key(|f| (f.sname.clone()));
[INFO] [stdout]    |                                       ^               ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 97 -             file_list.sort_by_key(|f| (f.sname.clone()));
[INFO] [stdout] 97 +             file_list.sort_by_key(|f| f.sname.clone() );
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/display/tree.rs:33:25
[INFO] [stdout]    |
[INFO] [stdout] 33 |         files.sort_by_key(|f| (f.line.as_ref().unwrap().time));
[INFO] [stdout]    |                               ^                             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 33 -         files.sort_by_key(|f| (f.line.as_ref().unwrap().time));
[INFO] [stdout] 33 +         files.sort_by_key(|f| f.line.as_ref().unwrap().time );
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/display/tree.rs:35:25
[INFO] [stdout]    |
[INFO] [stdout] 35 |         files.sort_by_key(|f| (f.sname.clone()));
[INFO] [stdout]    |                               ^               ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 35 -         files.sort_by_key(|f| (f.sname.clone()));
[INFO] [stdout] 35 +         files.sort_by_key(|f| f.sname.clone() );
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/main.rs:93:30
[INFO] [stdout]    |
[INFO] [stdout] 93 |             file_list.sort_by_key(|f| (f.line.as_ref().unwrap().time));
[INFO] [stdout]    |                                       ^                             ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 93 -             file_list.sort_by_key(|f| (f.line.as_ref().unwrap().time));
[INFO] [stdout] 93 +             file_list.sort_by_key(|f| f.line.as_ref().unwrap().time );
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/main.rs:97:30
[INFO] [stdout]    |
[INFO] [stdout] 97 |             file_list.sort_by_key(|f| (f.sname.clone()));
[INFO] [stdout]    |                                       ^               ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 97 -             file_list.sort_by_key(|f| (f.sname.clone()));
[INFO] [stdout] 97 +             file_list.sort_by_key(|f| f.sname.clone() );
[INFO] [stdout]    |
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `No` is never constructed
[INFO] [stdout]   --> src/ext/xattr.rs:47:2
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub enum FollowSymlinks {
[INFO] [stdout]    |          -------------- variant in this enum
[INFO] [stdout] 46 |     Yes,
[INFO] [stdout] 47 |     No,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FollowSymlinks` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[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: 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `No` is never constructed
[INFO] [stdout]   --> src/ext/xattr.rs:47:2
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub enum FollowSymlinks {
[INFO] [stdout]    |          -------------- variant in this enum
[INFO] [stdout] 46 |     Yes,
[INFO] [stdout] 47 |     No,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FollowSymlinks` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "c92b5be107c382af7de7056e56c719c7852b2a4db47457b22bfeb274cc6f2d8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c92b5be107c382af7de7056e56c719c7852b2a4db47457b22bfeb274cc6f2d8c", kill_on_drop: false }`
[INFO] [stdout] c92b5be107c382af7de7056e56c719c7852b2a4db47457b22bfeb274cc6f2d8c