[INFO] fetching crate lintrunner 0.8.0...
[INFO] checking lintrunner-0.8.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate lintrunner 0.8.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate lintrunner 0.8.0
[INFO] finished tweaking crates.io crate lintrunner 0.8.0
[INFO] tweaked toml for crates.io crate lintrunner 0.8.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate lintrunner 0.8.0 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate lintrunner 0.8.0 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] caa752e084757c33db468f72872075a2e6af0116f30d888fc7aaa064a88fc105
[INFO] running `Command { std: "docker" "start" "-a" "caa752e084757c33db468f72872075a2e6af0116f30d888fc7aaa064a88fc105", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "caa752e084757c33db468f72872075a2e6af0116f30d888fc7aaa064a88fc105", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "caa752e084757c33db468f72872075a2e6af0116f30d888fc7aaa064a88fc105", kill_on_drop: false }`
[INFO] [stdout] caa752e084757c33db468f72872075a2e6af0116f30d888fc7aaa064a88fc105
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b67284df60d48b572f4a4187894691158e3c5524f88e918abbe01005351699ba
[INFO] running `Command { std: "docker" "start" "-a" "b67284df60d48b572f4a4187894691158e3c5524f88e918abbe01005351699ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling blake3 v1.3.1
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking smawk v0.3.1
[INFO] [stderr]     Checking clap_lex v0.1.1
[INFO] [stderr]     Checking digest v0.10.3
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking console v0.15.0
[INFO] [stderr]     Checking predicates-core v1.0.3
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking similar v2.1.0
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking indicatif v0.16.2
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking directories v4.0.1
[INFO] [stderr]     Checking termtree v0.2.4
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking predicates-tree v1.0.5
[INFO] [stderr]     Checking predicates v2.1.1
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking assert_cmd v2.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling clap_derive v3.1.7
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling unicode-linebreak v0.1.2
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking clap v3.1.9
[INFO] [stderr]     Checking serde v1.0.136
[INFO] [stderr]     Checking serde_json v1.0.79
[INFO] [stderr]     Checking toml v0.5.9
[INFO] [stderr]     Checking serde_yaml v0.8.23
[INFO] [stderr]     Checking insta v1.14.0
[INFO] [stderr]     Checking lintrunner v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Line` is never constructed
[INFO] [stdout]    --> src/render.rs:341:8
[INFO] [stdout]     |
[INFO] [stdout] 341 | struct Line(Option<usize>);
[INFO] [stdout]     |        ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | /     /// Path to a toml file defining which linters to run
[INFO] [stdout] 24 | |     #[clap(long, default_value = ".lintrunner.toml", global = true)]
[INFO] [stdout] 25 | |     config: String,
[INFO] [stdout]    | |__________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | /     /// Shell command that returns new-line separated paths to lint
[INFO] [stdout] 32 | |     ///
[INFO] [stdout] 33 | |     /// Example: To run on all files in the repo, use `--paths-cmd='git grep -Il .'`.
[INFO] [stdout] 34 | |     #[clap(long, conflicts_with = "paths-from", global = true)]
[INFO] [stdout] 35 | |     paths_cmd: Option<String>,
[INFO] [stdout]    | |_____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | /     /// File with new-line separated paths to lint
[INFO] [stdout] 38 | |     #[clap(long, global = true)]
[INFO] [stdout] 39 | |     paths_from: Option<String>,
[INFO] [stdout]    | |______________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 | /     /// Lint all files that differ between the working directory and the
[INFO] [stdout] 42 | |     /// specified revision. This argument can be any <tree-ish> that is accepted
[INFO] [stdout] 43 | |     /// by `git diff-tree`
[INFO] [stdout] 44 | |     #[clap(long, short, conflicts_with_all=&["paths", "paths-cmd", "paths-from"], global = true)]
[INFO] [stdout] 45 | |     revision: Option<String>,
[INFO] [stdout]    | |____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 | /     /// Lint all files that differ between the merge base of HEAD with the
[INFO] [stdout] 48 | |     /// specified revision and HEAD. This argument can be any <tree-sh> that is
[INFO] [stdout] 49 | |     /// accepted by `git diff-tree`
[INFO] [stdout] 50 | |     ///
[INFO] [stdout] 51 | |     /// Example: lintrunner -m master
[INFO] [stdout] 52 | |     #[clap(long, short, conflicts_with_all=&["paths", "paths-cmd", "paths-from", "revision"], global = true)]
[INFO] [stdout] 53 | |     merge_base_with: Option<String>,
[INFO] [stdout]    | |___________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 | /     /// Comma-separated list of linters to skip (e.g. --skip CLANGFORMAT,NOQA)
[INFO] [stdout] 56 | |     #[clap(long, global = true)]
[INFO] [stdout] 57 | |     skip: Option<String>,
[INFO] [stdout]    | |________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 | /     /// Comma-separated list of linters to run (opposite of --skip)
[INFO] [stdout] 60 | |     #[clap(long, global = true)]
[INFO] [stdout] 61 | |     take: Option<String>,
[INFO] [stdout]    | |________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 73 | /     /// exclusions defined in .lintrunner.toml; manually specifying a path will
[INFO] [stdout] 74 | |     /// not override them.
[INFO] [stdout] 75 | |     #[clap(conflicts_with_all = &["paths-cmd", "paths-from"], global = true)]
[INFO] [stdout] 76 | |     paths: Vec<String>,
[INFO] [stdout]    | |______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 83 | /     /// If set, use ths provided path to store any metadata generated by
[INFO] [stdout] 84 | |     /// lintrunner. By default, this is a platform-specific location for
[INFO] [stdout] 85 | |     /// application data (e.g. $XDG_DATA_HOME for UNIX systems.)
[INFO] [stdout] 86 | |     #[clap(long, global = true)]
[INFO] [stdout] 87 | |     data_path: Option<String>,
[INFO] [stdout]    | |_____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lintrunner` (bin "lintrunner") due to 9 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b67284df60d48b572f4a4187894691158e3c5524f88e918abbe01005351699ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b67284df60d48b572f4a4187894691158e3c5524f88e918abbe01005351699ba", kill_on_drop: false }`
[INFO] [stdout] b67284df60d48b572f4a4187894691158e3c5524f88e918abbe01005351699ba
