[INFO] fetching crate follow 0.1.5...
[INFO] checking follow-0.1.5 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate follow 0.1.5 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate follow 0.1.5 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate follow 0.1.5
[INFO] finished tweaking crates.io crate follow 0.1.5
[INFO] tweaked toml for crates.io crate follow 0.1.5 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 62 packages to latest compatible versions
[INFO] [stderr]       Adding addr2line v0.21.0 (latest: v0.22.0)
[INFO] [stderr]       Adding aho-corasick v0.6.10 (latest: v1.1.3)
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[INFO] [stderr]       Adding atom v0.3.6 (latest: v0.4.0)
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[INFO] [stderr]       Adding docopt v0.7.0 (latest: v1.1.1)
[INFO] [stderr]       Adding error-chain v0.10.0 (latest: v0.12.4)
[INFO] [stderr]       Adding fern v0.3.5 (latest: v0.6.2)
[INFO] [stderr]       Adding gimli v0.28.1 (latest: v0.29.0)
[INFO] [stderr]       Adding glob v0.2.11 (latest: v0.3.1)
[INFO] [stderr]       Adding lazy_static v0.2.11 (latest: v1.4.0)
[INFO] [stderr]       Adding log v0.3.9 (latest: v0.4.21)
[INFO] [stderr]       Adding num v0.1.42 (latest: v0.4.2)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.35.0)
[INFO] [stderr]       Adding rand v0.4.6 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_core v0.3.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (latest: v0.6.4)
[INFO] [stderr]       Adding rdrand v0.4.0 (latest: v0.8.3)
[INFO] [stderr]       Adding regex v0.2.11 (latest: v1.10.4)
[INFO] [stderr]       Adding regex-syntax v0.5.6 (latest: v0.8.3)
[INFO] [stderr]       Adding remove_dir_all v0.5.3 (latest: v0.8.2)
[INFO] [stderr]       Adding strsim v0.6.0 (latest: v0.11.1)
[INFO] [stderr]       Adding terminal_size v0.1.17 (latest: v0.3.0)
[INFO] [stderr]       Adding thread_local v0.3.6 (latest: v1.1.8)
[INFO] [stderr]       Adding time v0.1.45 (latest: v0.3.36)
[INFO] [stderr]       Adding ucd-util v0.1.10 (latest: v0.2.1)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded glob v0.2.11
[INFO] [stderr]   Downloaded atom v0.3.6
[INFO] [stderr]   Downloaded timebomb v0.1.2
[INFO] [stderr]   Downloaded utf8-ranges v1.0.5
[INFO] [stderr]   Downloaded strsim v0.6.0
[INFO] [stderr]   Downloaded ansi_term v0.9.0
[INFO] [stderr]   Downloaded ucd-util v0.1.10
[INFO] [stderr]   Downloaded docopt v0.7.0
[INFO] [stderr]   Downloaded pulse v0.5.3
[INFO] [stderr]   Downloaded chrono v0.3.0
[INFO] [stderr]   Downloaded fern v0.3.5
[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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88141eca044f1d28b4526dc860e1d237b9c278288202b89e3864ca978839857a
[INFO] running `Command { std: "docker" "start" "-a" "88141eca044f1d28b4526dc860e1d237b9c278288202b89e3864ca978839857a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88141eca044f1d28b4526dc860e1d237b9c278288202b89e3864ca978839857a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88141eca044f1d28b4526dc860e1d237b9c278288202b89e3864ca978839857a", kill_on_drop: false }`
[INFO] [stdout] 88141eca044f1d28b4526dc860e1d237b9c278288202b89e3864ca978839857a
[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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c77e873eacfa220fae9cd84f24a1fbcf51aa641cd864e4aa02412aa5dbf8b675
[INFO] running `Command { std: "docker" "start" "-a" "c77e873eacfa220fae9cd84f24a1fbcf51aa641cd864e4aa02412aa5dbf8b675", kill_on_drop: false }`
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]     Checking ucd-util v0.1.10
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking utf8-ranges v1.0.5
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking deranged v0.3.11
[INFO] [stderr]     Checking num-conv v0.1.0
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]     Checking atom v0.3.6
[INFO] [stderr]     Checking time-core v0.1.2
[INFO] [stderr]     Checking pulse v0.5.3
[INFO] [stderr]     Checking fern v0.3.5
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking time v0.3.36
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking timebomb v0.1.2
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking chrono v0.3.0
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]     Checking docopt v0.7.0
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking follow v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] error: use of unstable library feature 'rustc_encodable_decodable': derive macro for `rustc-serialize`; should not be used in new code
[INFO] [stdout]   --> src/args.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[derive(Debug, RustcDecodable)]
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout]    = note: `#[deny(soft_unstable)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/args.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[derive(Debug, RustcDecodable)]
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/worker.rs:147:32
[INFO] [stdout]     |
[INFO] [stdout] 147 |                 &mut buf.bytes[(..)]
[INFO] [stdout]     |                                ^  ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 147 -                 &mut buf.bytes[(..)]
[INFO] [stdout] 147 +                 &mut buf.bytes[..]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/worker.rs:149:32
[INFO] [stdout]     |
[INFO] [stdout] 149 |                 &mut buf.bytes[(0..available_size)]
[INFO] [stdout]     |                                ^                 ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 149 -                 &mut buf.bytes[(0..available_size)]
[INFO] [stdout] 149 +                 &mut buf.bytes[0..available_size]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/worker.rs:180:27
[INFO] [stdout]     |
[INFO] [stdout] 180 |                 return Ok((cursor..len));
[INFO] [stdout]     |                           ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 180 -                 return Ok((cursor..len));
[INFO] [stdout] 180 +                 return Ok(cursor..len);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/worker.rs:189:27
[INFO] [stdout]     |
[INFO] [stdout] 189 |                 return Ok((0..len));
[INFO] [stdout]     |                           ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 189 -                 return Ok((0..len));
[INFO] [stdout] 189 +                 return Ok(0..len);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/main.rs:143:28
[INFO] [stdout]     |
[INFO] [stdout] 143 |         Some((Width(w @ 20 ... 200), _)) => {
[INFO] [stdout]     |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of unstable library feature 'rustc_encodable_decodable': derive macro for `rustc-serialize`; should not be used in new code
[INFO] [stdout]   --> src/args.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[derive(Debug, RustcDecodable)]
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout]    = note: `#[deny(soft_unstable)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/args.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[derive(Debug, RustcDecodable)]
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/worker.rs:147:32
[INFO] [stdout]     |
[INFO] [stdout] 147 |                 &mut buf.bytes[(..)]
[INFO] [stdout]     |                                ^  ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 147 -                 &mut buf.bytes[(..)]
[INFO] [stdout] 147 +                 &mut buf.bytes[..]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/worker.rs:149:32
[INFO] [stdout]     |
[INFO] [stdout] 149 |                 &mut buf.bytes[(0..available_size)]
[INFO] [stdout]     |                                ^                 ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 149 -                 &mut buf.bytes[(0..available_size)]
[INFO] [stdout] 149 +                 &mut buf.bytes[0..available_size]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/worker.rs:180:27
[INFO] [stdout]     |
[INFO] [stdout] 180 |                 return Ok((cursor..len));
[INFO] [stdout]     |                           ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 180 -                 return Ok((cursor..len));
[INFO] [stdout] 180 +                 return Ok(cursor..len);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/worker.rs:189:27
[INFO] [stdout]     |
[INFO] [stdout] 189 |                 return Ok((0..len));
[INFO] [stdout]     |                           ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 189 -                 return Ok((0..len));
[INFO] [stdout] 189 +                 return Ok(0..len);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/worker.rs:658:46
[INFO] [stdout]     |
[INFO] [stdout] 658 |             let content = build_sized_string((((BUFFER_SIZE as usize) * 2) - 1));
[INFO] [stdout]     |                                              ^                                ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 658 -             let content = build_sized_string((((BUFFER_SIZE as usize) * 2) - 1));
[INFO] [stdout] 658 +             let content = build_sized_string(((BUFFER_SIZE as usize) * 2) - 1);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/main.rs:143:28
[INFO] [stdout]     |
[INFO] [stdout] 143 |         Some((Width(w @ 20 ... 200), _)) => {
[INFO] [stdout]     |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_BOOL_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/worker.rs:218:28
[INFO] [stdout]     |
[INFO] [stdout] 218 |     use std::sync::atomic::ATOMIC_BOOL_INIT;
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_BOOL_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/worker.rs:228:42
[INFO] [stdout]     |
[INFO] [stdout] 228 |     static LOGGER_IS_SETUP: AtomicBool = ATOMIC_BOOL_INIT;
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated constant
[INFO] [stdout]     |
[INFO] [stdout] 228 |     static LOGGER_IS_SETUP: AtomicBool = AtomicBool::new(false);
[INFO] [stdout]     |                                          ~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/worker.rs:244:29
[INFO] [stdout]     |
[INFO] [stdout] 244 |         if !LOGGER_IS_SETUP.compare_and_swap(false, true, Ordering::SeqCst) {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `flag_verbose` is never read
[INFO] [stdout]   --> src/args.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct Args {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 19 |     arg_path: Vec<String>,
[INFO] [stdout] 20 |     flag_verbose: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Args` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_verbose` is never used
[INFO] [stdout]   --> src/args.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl Args {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn is_verbose(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `follow` (bin "follow") due to 3 previous errors; 8 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: field `flag_verbose` is never read
[INFO] [stdout]   --> src/args.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct Args {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 19 |     arg_path: Vec<String>,
[INFO] [stdout] 20 |     flag_verbose: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Args` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_verbose` is never used
[INFO] [stdout]   --> src/args.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl Args {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn is_verbose(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `follow` (bin "follow" test) due to 3 previous errors; 12 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "c77e873eacfa220fae9cd84f24a1fbcf51aa641cd864e4aa02412aa5dbf8b675", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c77e873eacfa220fae9cd84f24a1fbcf51aa641cd864e4aa02412aa5dbf8b675", kill_on_drop: false }`
[INFO] [stdout] c77e873eacfa220fae9cd84f24a1fbcf51aa641cd864e4aa02412aa5dbf8b675
