[INFO] fetching crate click 0.5.4...
[INFO] checking click-0.5.4 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate click 0.5.4 into /workspace/builds/worker-30/source
[INFO] validating manifest of crates.io crate click 0.5.4 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate click 0.5.4
[INFO] finished tweaking crates.io crate click 0.5.4
[INFO] tweaked toml for crates.io crate click 0.5.4 written to /workspace/builds/worker-30/source/Cargo.toml
[INFO] crate crates.io crate click 0.5.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eaae1514a003a4023951b5afeab4db336d27e0bbad9ee0d38fc0f65e291620f9
[INFO] running `Command { std: "docker" "start" "-a" "eaae1514a003a4023951b5afeab4db336d27e0bbad9ee0d38fc0f65e291620f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eaae1514a003a4023951b5afeab4db336d27e0bbad9ee0d38fc0f65e291620f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eaae1514a003a4023951b5afeab4db336d27e0bbad9ee0d38fc0f65e291620f9", kill_on_drop: false }`
[INFO] [stdout] eaae1514a003a4023951b5afeab4db336d27e0bbad9ee0d38fc0f65e291620f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0425fd4a502d25bbf30cc8935e453280345c2d63d819f2c3b27fd98c0df68e7a
[INFO] running `Command { std: "docker" "start" "-a" "0425fd4a502d25bbf30cc8935e453280345c2d63d819f2c3b27fd98c0df68e7a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling serde v1.0.126
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[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
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[INFO] [stderr]    Compiling syn v1.0.73
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[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]     Checking regex-syntax v0.6.25
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[INFO] [stderr]     Checking traitobject v0.1.0
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[INFO] [stderr]     Checking humantime v1.3.0
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[INFO] [stderr]    Compiling unicase v1.4.2
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[INFO] [stderr]     Checking click v0.5.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/cmd.rs:74:20
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn exec(&self, &mut Env, &mut dyn Iterator<Item = &str>, &mut ClickWriter) -> bool;
[INFO] [stdout]    |                    ^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut Env`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/cmd.rs:74:30
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn exec(&self, &mut Env, &mut dyn Iterator<Item = &str>, &mut ClickWriter) -> bool;
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut dyn Iterator<Item = &str>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/cmd.rs:74:62
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn exec(&self, &mut Env, &mut dyn Iterator<Item = &str>, &mut ClickWriter) -> bool;
[INFO] [stdout]    |                                                              ^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut ClickWriter`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/cmd.rs:75:18
[INFO] [stdout]    |
[INFO] [stdout] 75 |     fn is(&self, &str) -> bool;
[INFO] [stdout]    |                  ^^^^ help: try naming the parameter or explicitly ignoring it: `_: &str`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/cmd.rs:74:20
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn exec(&self, &mut Env, &mut dyn Iterator<Item = &str>, &mut ClickWriter) -> bool;
[INFO] [stdout]    |                    ^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut Env`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/cmd.rs:74:30
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn exec(&self, &mut Env, &mut dyn Iterator<Item = &str>, &mut ClickWriter) -> bool;
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut dyn Iterator<Item = &str>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/cmd.rs:74:62
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn exec(&self, &mut Env, &mut dyn Iterator<Item = &str>, &mut ClickWriter) -> bool;
[INFO] [stdout]    |                                                              ^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut ClickWriter`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/cmd.rs:75:18
[INFO] [stdout]    |
[INFO] [stdout] 75 |     fn is(&self, &str) -> bool;
[INFO] [stdout]    |                  ^^^^ help: try naming the parameter or explicitly ignoring it: `_: &str`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.07s
[INFO] running `Command { std: "docker" "inspect" "0425fd4a502d25bbf30cc8935e453280345c2d63d819f2c3b27fd98c0df68e7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0425fd4a502d25bbf30cc8935e453280345c2d63d819f2c3b27fd98c0df68e7a", kill_on_drop: false }`
[INFO] [stdout] 0425fd4a502d25bbf30cc8935e453280345c2d63d819f2c3b27fd98c0df68e7a
