[INFO] fetching crate clerk 0.4.0...
[INFO] checking clerk-0.4.0 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate clerk 0.4.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate clerk 0.4.0 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate clerk 0.4.0
[INFO] finished tweaking crates.io crate clerk 0.4.0
[INFO] tweaked toml for crates.io crate clerk 0.4.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sysfs_gpio v0.5.4
[INFO] [stderr]   Downloaded nix v0.14.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e411ee8319234be9a5c2264cda5cdcd615741aaefb6cb1ff9600ca84e7d99b56
[INFO] running `Command { std: "docker" "start" "-a" "e411ee8319234be9a5c2264cda5cdcd615741aaefb6cb1ff9600ca84e7d99b56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e411ee8319234be9a5c2264cda5cdcd615741aaefb6cb1ff9600ca84e7d99b56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e411ee8319234be9a5c2264cda5cdcd615741aaefb6cb1ff9600ca84e7d99b56", kill_on_drop: false }`
[INFO] [stdout] e411ee8319234be9a5c2264cda5cdcd615741aaefb6cb1ff9600ca84e7d99b56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06e1b7f585cb657cf6d8e4a5b6adc363704d4920b9631727f548b6108ef1d78d
[INFO] running `Command { std: "docker" "start" "-a" "06e1b7f585cb657cf6d8e4a5b6adc363704d4920b9631727f548b6108ef1d78d", kill_on_drop: false }`
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking clerk v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/hal.rs:89:29
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn set_direction(&self, Direction);
[INFO] [stdout]    |                             ^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Direction`
[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]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/hal.rs:91:25
[INFO] [stdout]    |
[INFO] [stdout] 91 |     fn set_level(&self, Level);
[INFO] [stdout]    |                         ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Level`
[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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking sysfs_gpio v0.5.4
[INFO] [stdout] error[E0463]: can't find crate for `itertools`
[INFO] [stdout]  --> tests/display_test.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate itertools;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `sysfs_gpio` is imported redundantly
[INFO] [stdout]  --> examples/utils/extern_pin.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use sysfs_gpio;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: examples/raspberry_read.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate sysfs_gpio;
[INFO] [stdout]   | ------------------------ the item `sysfs_gpio` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `sysfs_gpio` is imported redundantly
[INFO] [stdout]  --> examples/utils/extern_pin.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use sysfs_gpio;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: examples/raspberry_custom_char.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate sysfs_gpio;
[INFO] [stdout]   | ------------------------ the item `sysfs_gpio` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `sysfs_gpio` is imported redundantly
[INFO] [stdout]  --> examples/utils/extern_pin.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use sysfs_gpio;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: examples/raspberry_hello_world.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate sysfs_gpio;
[INFO] [stdout]   | ------------------------ the item `sysfs_gpio` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/hal.rs:89:29
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn set_direction(&self, Direction);
[INFO] [stdout]    |                             ^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Direction`
[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]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `clerk` (test "display_test") due to 2 previous errors
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/hal.rs:91:25
[INFO] [stdout]    |
[INFO] [stdout] 91 |     fn set_level(&self, Level);
[INFO] [stdout]    |                         ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Level`
[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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "06e1b7f585cb657cf6d8e4a5b6adc363704d4920b9631727f548b6108ef1d78d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06e1b7f585cb657cf6d8e4a5b6adc363704d4920b9631727f548b6108ef1d78d", kill_on_drop: false }`
[INFO] [stdout] 06e1b7f585cb657cf6d8e4a5b6adc363704d4920b9631727f548b6108ef1d78d
[INFO] checking clerk-0.4.0 against try#bfe97fcae016881ad333f0ff8cea2cadb9cf136c for pr-121848
[INFO] extracting crate clerk 0.4.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate clerk 0.4.0 on toolchain bfe97fcae016881ad333f0ff8cea2cadb9cf136c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate clerk 0.4.0
[INFO] finished tweaking crates.io crate clerk 0.4.0
[INFO] tweaked toml for crates.io crate clerk 0.4.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c1f96d8fa3c2f1c72060ffa4fe7bdec1f1b562d14b4f79bc0d28361531dc1ee
[INFO] running `Command { std: "docker" "start" "-a" "7c1f96d8fa3c2f1c72060ffa4fe7bdec1f1b562d14b4f79bc0d28361531dc1ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c1f96d8fa3c2f1c72060ffa4fe7bdec1f1b562d14b4f79bc0d28361531dc1ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c1f96d8fa3c2f1c72060ffa4fe7bdec1f1b562d14b4f79bc0d28361531dc1ee", kill_on_drop: false }`
[INFO] [stdout] 7c1f96d8fa3c2f1c72060ffa4fe7bdec1f1b562d14b4f79bc0d28361531dc1ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75fbe917a50865526147cb6d4a4a5500f0022d98dbc451832764a36a1ba66c18
[INFO] running `Command { std: "docker" "start" "-a" "75fbe917a50865526147cb6d4a4a5500f0022d98dbc451832764a36a1ba66c18", kill_on_drop: false }`
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking clerk v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/hal.rs:89:29
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn set_direction(&self, Direction);
[INFO] [stdout]    |                             ^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Direction`
[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]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/hal.rs:91:25
[INFO] [stdout]    |
[INFO] [stdout] 91 |     fn set_level(&self, Level);
[INFO] [stdout]    |                         ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Level`
[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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking sysfs_gpio v0.5.4
[INFO] [stdout] error[E0463]: can't find crate for `itertools`
[INFO] [stdout]  --> tests/display_test.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate itertools;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `sysfs_gpio` is imported redundantly
[INFO] [stdout]  --> examples/utils/extern_pin.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use sysfs_gpio;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: examples/raspberry_hello_world.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate sysfs_gpio;
[INFO] [stdout]   | ------------------------ the item `sysfs_gpio` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `sysfs_gpio` is imported redundantly
[INFO] [stdout]  --> examples/utils/extern_pin.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use sysfs_gpio;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: examples/raspberry_custom_char.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate sysfs_gpio;
[INFO] [stdout]   | ------------------------ the item `sysfs_gpio` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `sysfs_gpio` is imported redundantly
[INFO] [stdout]  --> examples/utils/extern_pin.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use sysfs_gpio;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: examples/raspberry_read.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate sysfs_gpio;
[INFO] [stdout]   | ------------------------ the item `sysfs_gpio` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/hal.rs:89:29
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn set_direction(&self, Direction);
[INFO] [stdout]    |                             ^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Direction`
[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]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/hal.rs:91:25
[INFO] [stdout]    |
[INFO] [stdout] 91 |     fn set_level(&self, Level);
[INFO] [stdout]    |                         ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Level`
[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] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `clerk` (test "display_test") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "75fbe917a50865526147cb6d4a4a5500f0022d98dbc451832764a36a1ba66c18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75fbe917a50865526147cb6d4a4a5500f0022d98dbc451832764a36a1ba66c18", kill_on_drop: false }`
[INFO] [stdout] 75fbe917a50865526147cb6d4a4a5500f0022d98dbc451832764a36a1ba66c18
