[INFO] fetching crate tamasfe-clap 3.0.0-beta.2...
[INFO] checking tamasfe-clap-3.0.0-beta.2 against master#e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682 for beta-170-4
[INFO] extracting crate tamasfe-clap 3.0.0-beta.2 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate tamasfe-clap 3.0.0-beta.2 on toolchain e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tamasfe-clap 3.0.0-beta.2
[INFO] finished tweaking crates.io crate tamasfe-clap 3.0.0-beta.2
[INFO] tweaked toml for crates.io crate tamasfe-clap 3.0.0-beta.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate tamasfe-clap 3.0.0-beta.2 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" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 462e37f3df7d69cd58d1226f625abe8e9028fc578ce0643d117632aae0e8c85f
[INFO] running `Command { std: "docker" "start" "-a" "462e37f3df7d69cd58d1226f625abe8e9028fc578ce0643d117632aae0e8c85f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "462e37f3df7d69cd58d1226f625abe8e9028fc578ce0643d117632aae0e8c85f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "462e37f3df7d69cd58d1226f625abe8e9028fc578ce0643d117632aae0e8c85f", kill_on_drop: false }`
[INFO] [stdout] 462e37f3df7d69cd58d1226f625abe8e9028fc578ce0643d117632aae0e8c85f
[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" "-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c4e62c2d4a5ff3aa2da7ff865f996c694c598da923ae3fef67f8b5e31a1f4c7a
[INFO] running `Command { std: "docker" "start" "-a" "c4e62c2d4a5ff3aa2da7ff865f996c694c598da923ae3fef67f8b5e31a1f4c7a", kill_on_drop: false }`
[INFO] [stderr]    Compiling const_fn v0.4.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.0
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling pulldown-cmark v0.4.1
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking crossbeam-epoch v0.9.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking half v1.6.0
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking csv v1.1.4
[INFO] [stderr]     Checking tinytemplate v1.1.0
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking plotters v0.2.15
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking toml v0.5.7
[INFO] [stderr]     Checking oorandom v11.1.2
[INFO] [stderr]     Checking os_str_bytes v2.4.0
[INFO] [stderr]     Checking semver-parser v0.9.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking version-sync v0.8.1
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]     Checking tamasfe-clap v3.0.0-beta.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/parse/matches/arg_matches.rs:997:10
[INFO] [stdout]     |
[INFO] [stdout] 997 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]     --> src/parse/matches/arg_matches.rs:1057:10
[INFO] [stdout]      |
[INFO] [stdout] 1057 |         };
[INFO] [stdout]      |          ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/build/app/mod.rs:2342:21
[INFO] [stdout]      |
[INFO] [stdout] 2342 |                 let mut sc = self
[INFO] [stdout]      |                     ----^^
[INFO] [stdout]      |                     |
[INFO] [stdout]      |                     help: remove this `mut`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/build/app/mod.rs:2434:21
[INFO] [stdout]      |
[INFO] [stdout] 2434 |             for (i, mut sc) in &mut self
[INFO] [stdout]      |                     ----^^
[INFO] [stdout]      |                     |
[INFO] [stdout]      |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/build/app/mod.rs:2453:13
[INFO] [stdout]      |
[INFO] [stdout] 2453 |         for mut sc in &mut self.subcommands {
[INFO] [stdout]      |             ----^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/build/app/mod.rs:2260:24
[INFO] [stdout]      |
[INFO] [stdout] 2260 |   ...   panic!(format!(
[INFO] [stdout]      |  ______________^
[INFO] [stdout] 2261 | | ...       "AppSettings::HelpRequired is enabled for the App {}, but at least one of its arguments does not have either `help` or `long_he...
[INFO] [stdout] 2262 | | ...       self.name,
[INFO] [stdout] 2263 | | ...       args_missing_help.join(", ")
[INFO] [stdout] 2264 | | ...   ));
[INFO] [stdout]      | |_______^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]      = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]      = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]      |
[INFO] [stdout] 2260 ~                 panic!(
[INFO] [stdout] 2261 |                     "AppSettings::HelpRequired is enabled for the App {}, but at least one of its arguments does not have either `help` or `long_help` set. List of such arguments: {}",
[INFO] [stdout] 2262 |                     self.name,
[INFO] [stdout] 2263 |                     args_missing_help.join(", ")
[INFO] [stdout] 2264 ~                 );
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]     --> src/build/arg/mod.rs:4391:32
[INFO] [stdout]      |
[INFO] [stdout] 4391 |                     "Argument '{}' uses hint CommandWithArguments and must accept multiple values",
[INFO] [stdout]      |                                ^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]      |
[INFO] [stdout] 4391 |                     "Argument '{}' uses hint CommandWithArguments and must accept multiple values", ...,
[INFO] [stdout]      |                                                                                                   +++++
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]      |
[INFO] [stdout] 4391 |                     "{}", "Argument '{}' uses hint CommandWithArguments and must accept multiple values",
[INFO] [stdout]      |                     +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/parse/validator.rs:248:16
[INFO] [stdout]     |
[INFO] [stdout] 248 |         panic!(INTERNAL_ERROR_MSG);
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 248 |         panic!("{}", INTERNAL_ERROR_MSG);
[INFO] [stdout]     |                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking criterion v0.3.3
[INFO] [stdout] error: couldn't read benches/06_rustup.rs: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read benches/01_default.rs: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read benches/03_complex.rs: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read benches/02_simple.rs: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read benches/05_ripgrep.rs: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read benches/04_new_help.rs: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tamasfe-clap` (bench "06_rustup") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `tamasfe-clap` (bench "01_default") due to 2 previous errors
[INFO] [stderr] error: could not compile `tamasfe-clap` (bench "03_complex") due to 2 previous errors
[INFO] [stderr] error: could not compile `tamasfe-clap` (bench "02_simple") due to 2 previous errors
[INFO] [stderr] error: could not compile `tamasfe-clap` (bench "05_ripgrep") due to 2 previous errors
[INFO] [stderr] error: could not compile `tamasfe-clap` (bench "04_new_help") due to 2 previous errors
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/parse/matches/arg_matches.rs:997:10
[INFO] [stdout]     |
[INFO] [stdout] 997 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]     --> src/parse/matches/arg_matches.rs:1057:10
[INFO] [stdout]      |
[INFO] [stdout] 1057 |         };
[INFO] [stdout]      |          ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/build/app/mod.rs:2342:21
[INFO] [stdout]      |
[INFO] [stdout] 2342 |                 let mut sc = self
[INFO] [stdout]      |                     ----^^
[INFO] [stdout]      |                     |
[INFO] [stdout]      |                     help: remove this `mut`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/build/app/mod.rs:2434:21
[INFO] [stdout]      |
[INFO] [stdout] 2434 |             for (i, mut sc) in &mut self
[INFO] [stdout]      |                     ----^^
[INFO] [stdout]      |                     |
[INFO] [stdout]      |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/build/app/mod.rs:2453:13
[INFO] [stdout]      |
[INFO] [stdout] 2453 |         for mut sc in &mut self.subcommands {
[INFO] [stdout]      |             ----^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/build/app/mod.rs:2260:24
[INFO] [stdout]      |
[INFO] [stdout] 2260 |   ...   panic!(format!(
[INFO] [stdout]      |  ______________^
[INFO] [stdout] 2261 | | ...       "AppSettings::HelpRequired is enabled for the App {}, but at least one of its arguments does not have either `help` or `long_he...
[INFO] [stdout] 2262 | | ...       self.name,
[INFO] [stdout] 2263 | | ...       args_missing_help.join(", ")
[INFO] [stdout] 2264 | | ...   ));
[INFO] [stdout]      | |_______^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]      = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]      = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]      |
[INFO] [stdout] 2260 ~                 panic!(
[INFO] [stdout] 2261 |                     "AppSettings::HelpRequired is enabled for the App {}, but at least one of its arguments does not have either `help` or `long_help` set. List of such arguments: {}",
[INFO] [stdout] 2262 |                     self.name,
[INFO] [stdout] 2263 |                     args_missing_help.join(", ")
[INFO] [stdout] 2264 ~                 );
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]     --> src/build/arg/mod.rs:4391:32
[INFO] [stdout]      |
[INFO] [stdout] 4391 |                     "Argument '{}' uses hint CommandWithArguments and must accept multiple values",
[INFO] [stdout]      |                                ^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]      |
[INFO] [stdout] 4391 |                     "Argument '{}' uses hint CommandWithArguments and must accept multiple values", ...,
[INFO] [stdout]      |                                                                                                   +++++
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]      |
[INFO] [stdout] 4391 |                     "{}", "Argument '{}' uses hint CommandWithArguments and must accept multiple values",
[INFO] [stdout]      |                     +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/parse/validator.rs:248:16
[INFO] [stdout]     |
[INFO] [stdout] 248 |         panic!(INTERNAL_ERROR_MSG);
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 248 |         panic!("{}", INTERNAL_ERROR_MSG);
[INFO] [stdout]     |                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c4e62c2d4a5ff3aa2da7ff865f996c694c598da923ae3fef67f8b5e31a1f4c7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4e62c2d4a5ff3aa2da7ff865f996c694c598da923ae3fef67f8b5e31a1f4c7a", kill_on_drop: false }`
[INFO] [stdout] c4e62c2d4a5ff3aa2da7ff865f996c694c598da923ae3fef67f8b5e31a1f4c7a
