[INFO] fetching crate wright 0.8.0...
[INFO] checking wright-0.8.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate wright 0.8.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate wright 0.8.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wright 0.8.0
[INFO] finished tweaking crates.io crate wright 0.8.0
[INFO] tweaked toml for crates.io crate wright 0.8.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate wright 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded codespan v0.5.0
[INFO] [stderr]   Downloaded wincolor v1.0.2
[INFO] [stderr]   Downloaded unicode-segmentation v1.5.0
[INFO] [stderr]   Downloaded syn v1.0.7
[INFO] [stderr]   Downloaded libc v0.2.65
[INFO] [stderr]   Downloaded codespan-reporting v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5ab5e0c9dec9fe09e38e2509f06ed49bb7cd3ce57ffbc4687fb1fa94018831cc
[INFO] running `Command { std: "docker" "start" "-a" "5ab5e0c9dec9fe09e38e2509f06ed49bb7cd3ce57ffbc4687fb1fa94018831cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ab5e0c9dec9fe09e38e2509f06ed49bb7cd3ce57ffbc4687fb1fa94018831cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ab5e0c9dec9fe09e38e2509f06ed49bb7cd3ce57ffbc4687fb1fa94018831cc", kill_on_drop: false }`
[INFO] [stdout] 5ab5e0c9dec9fe09e38e2509f06ed49bb7cd3ce57ffbc4687fb1fa94018831cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d11b1d7fa5125b19c7717fc85fd8648043ab28dd39c39b468ddb7c7a4543ef1
[INFO] running `Command { std: "docker" "start" "-a" "2d11b1d7fa5125b19c7717fc85fd8648043ab28dd39c39b468ddb7c7a4543ef1", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]    Compiling ucd-trie v0.1.2
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking unicode-segmentation v1.5.0
[INFO] [stderr]     Checking termcolor v1.0.5
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking pest v2.1.2
[INFO] [stderr]     Checking codespan v0.5.0
[INFO] [stderr]     Checking codespan-reporting v0.5.0
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]    Compiling pest_meta v2.1.2
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling pest_generator v2.1.1
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking wright v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `ByteIndex`, `RawIndex`
[INFO] [stdout]  --> src/grammar.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use codespan::{ByteIndex, RawIndex};
[INFO] [stdout]   |                ^^^^^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pest::Parser`
[INFO] [stdout]  --> src/grammar/parser.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use pest::Parser;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ByteIndex`, `RawIndex`
[INFO] [stdout]  --> src/grammar.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use codespan::{ByteIndex, RawIndex};
[INFO] [stdout]   |                ^^^^^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pest::Parser`
[INFO] [stdout]  --> src/grammar/parser.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use pest::Parser;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `filenames`
[INFO] [stdout]   --> src/lib.rs:24:19
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn call_files(filenames: Vec<&str>, run: bool, emits: Vec<Emit>, verbose: bool) -> i32 {
[INFO] [stdout]    |                   ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filenames`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `run`
[INFO] [stdout]   --> src/lib.rs:24:41
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn call_files(filenames: Vec<&str>, run: bool, emits: Vec<Emit>, verbose: bool) -> i32 {
[INFO] [stdout]    |                                         ^^^ help: if this is intentional, prefix it with an underscore: `_run`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `emits`
[INFO] [stdout]   --> src/lib.rs:24:52
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn call_files(filenames: Vec<&str>, run: bool, emits: Vec<Emit>, verbose: bool) -> i32 {
[INFO] [stdout]    |                                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_emits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `verbose`
[INFO] [stdout]   --> src/lib.rs:24:70
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn call_files(filenames: Vec<&str>, run: bool, emits: Vec<Emit>, verbose: bool) -> i32 {
[INFO] [stdout]    |                                                                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_verbose`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a module
[INFO] [stdout]   --> src/lib.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub mod grammar;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:2:9
[INFO] [stdout]    |
[INFO] [stdout] 2  | #![warn(missing_docs)]
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a struct
[INFO] [stdout]  --> src/grammar.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Properties;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `filenames`
[INFO] [stdout]   --> src/lib.rs:24:19
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn call_files(filenames: Vec<&str>, run: bool, emits: Vec<Emit>, verbose: bool) -> i32 {
[INFO] [stdout]    |                   ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filenames`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `run`
[INFO] [stdout]   --> src/lib.rs:24:41
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn call_files(filenames: Vec<&str>, run: bool, emits: Vec<Emit>, verbose: bool) -> i32 {
[INFO] [stdout]    |                                         ^^^ help: if this is intentional, prefix it with an underscore: `_run`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `emits`
[INFO] [stdout]   --> src/lib.rs:24:52
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn call_files(filenames: Vec<&str>, run: bool, emits: Vec<Emit>, verbose: bool) -> i32 {
[INFO] [stdout]    |                                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_emits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `verbose`
[INFO] [stdout]   --> src/lib.rs:24:70
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn call_files(filenames: Vec<&str>, run: bool, emits: Vec<Emit>, verbose: bool) -> i32 {
[INFO] [stdout]    |                                                                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_verbose`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.12s
[INFO] running `Command { std: "docker" "inspect" "2d11b1d7fa5125b19c7717fc85fd8648043ab28dd39c39b468ddb7c7a4543ef1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d11b1d7fa5125b19c7717fc85fd8648043ab28dd39c39b468ddb7c7a4543ef1", kill_on_drop: false }`
[INFO] [stdout] 2d11b1d7fa5125b19c7717fc85fd8648043ab28dd39c39b468ddb7c7a4543ef1
[INFO] checking wright-0.8.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate wright 0.8.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate wright 0.8.0 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wright 0.8.0
[INFO] finished tweaking crates.io crate wright 0.8.0
[INFO] tweaked toml for crates.io crate wright 0.8.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate wright 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4507ab9e3816cdcacf128d55fa8ec0335a5a11dadca16539f9dd525d909b792d
[INFO] running `Command { std: "docker" "start" "-a" "4507ab9e3816cdcacf128d55fa8ec0335a5a11dadca16539f9dd525d909b792d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4507ab9e3816cdcacf128d55fa8ec0335a5a11dadca16539f9dd525d909b792d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4507ab9e3816cdcacf128d55fa8ec0335a5a11dadca16539f9dd525d909b792d", kill_on_drop: false }`
[INFO] [stdout] 4507ab9e3816cdcacf128d55fa8ec0335a5a11dadca16539f9dd525d909b792d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f12e2656023bf9472140f3cfbcc5a3b669e0b6a177207a5aed25a3a0486f9c22
[INFO] running `Command { std: "docker" "start" "-a" "f12e2656023bf9472140f3cfbcc5a3b669e0b6a177207a5aed25a3a0486f9c22", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]    Compiling ucd-trie v0.1.2
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking unicode-segmentation v1.5.0
[INFO] [stderr]     Checking termcolor v1.0.5
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling pest v2.1.2
[INFO] [stderr]     Checking codespan v0.5.0
[INFO] [stderr]     Checking codespan-reporting v0.5.0
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling pest_meta v2.1.2
[INFO] [stderr]    Compiling pest_generator v2.1.1
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking wright v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `ByteIndex`, `RawIndex`
[INFO] [stdout]  --> src/grammar.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use codespan::{ByteIndex, RawIndex};
[INFO] [stdout]   |                ^^^^^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pest::Parser`
[INFO] [stdout]  --> src/grammar/parser.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use pest::Parser;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ByteIndex`, `RawIndex`
[INFO] [stdout]  --> src/grammar.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use codespan::{ByteIndex, RawIndex};
[INFO] [stdout]   |                ^^^^^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pest::Parser`
[INFO] [stdout]  --> src/grammar/parser.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use pest::Parser;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `filenames`
[INFO] [stdout]   --> src/lib.rs:24:19
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn call_files(filenames: Vec<&str>, run: bool, emits: Vec<Emit>, verbose: bool) -> i32 {
[INFO] [stdout]    |                   ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filenames`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `run`
[INFO] [stdout]   --> src/lib.rs:24:41
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn call_files(filenames: Vec<&str>, run: bool, emits: Vec<Emit>, verbose: bool) -> i32 {
[INFO] [stdout]    |                                         ^^^ help: if this is intentional, prefix it with an underscore: `_run`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `emits`
[INFO] [stdout]   --> src/lib.rs:24:52
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn call_files(filenames: Vec<&str>, run: bool, emits: Vec<Emit>, verbose: bool) -> i32 {
[INFO] [stdout]    |                                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_emits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `verbose`
[INFO] [stdout]   --> src/lib.rs:24:70
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn call_files(filenames: Vec<&str>, run: bool, emits: Vec<Emit>, verbose: bool) -> i32 {
[INFO] [stdout]    |                                                                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_verbose`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a module
[INFO] [stdout]   --> src/lib.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub mod grammar;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:2:9
[INFO] [stdout]    |
[INFO] [stdout] 2  | #![warn(missing_docs)]
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a struct
[INFO] [stdout]  --> src/grammar.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Properties;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `filenames`
[INFO] [stdout]   --> src/lib.rs:24:19
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn call_files(filenames: Vec<&str>, run: bool, emits: Vec<Emit>, verbose: bool) -> i32 {
[INFO] [stdout]    |                   ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filenames`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `run`
[INFO] [stdout]   --> src/lib.rs:24:41
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn call_files(filenames: Vec<&str>, run: bool, emits: Vec<Emit>, verbose: bool) -> i32 {
[INFO] [stdout]    |                                         ^^^ help: if this is intentional, prefix it with an underscore: `_run`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `emits`
[INFO] [stdout]   --> src/lib.rs:24:52
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn call_files(filenames: Vec<&str>, run: bool, emits: Vec<Emit>, verbose: bool) -> i32 {
[INFO] [stdout]    |                                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_emits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `verbose`
[INFO] [stdout]   --> src/lib.rs:24:70
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn call_files(filenames: Vec<&str>, run: bool, emits: Vec<Emit>, verbose: bool) -> i32 {
[INFO] [stdout]    |                                                                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_verbose`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.52s
[INFO] running `Command { std: "docker" "inspect" "f12e2656023bf9472140f3cfbcc5a3b669e0b6a177207a5aed25a3a0486f9c22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f12e2656023bf9472140f3cfbcc5a3b669e0b6a177207a5aed25a3a0486f9c22", kill_on_drop: false }`
[INFO] [stdout] f12e2656023bf9472140f3cfbcc5a3b669e0b6a177207a5aed25a3a0486f9c22