[INFO] fetching crate lc-render 0.2.3...
[INFO] checking lc-render-0.2.3 against master#4eb62535fc12dd1a63fd43a4173e224e79313c4d for pr-158816
[INFO] extracting crate lc-render 0.2.3 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate lc-render 0.2.3
[INFO] finished tweaking crates.io crate lc-render 0.2.3
[INFO] tweaked toml for crates.io crate lc-render 0.2.3 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate lc-render 0.2.3 on toolchain 4eb62535fc12dd1a63fd43a4173e224e79313c4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate lc-render 0.2.3 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" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded svg v0.9.1
[INFO] [stderr]   Downloaded memoffset v0.6.3
[INFO] [stderr]   Downloaded rayon v1.5.0
[INFO] [stderr]   Downloaded plotters-svg v0.3.0
[INFO] [stderr]   Downloaded plotters-backend v0.3.0
[INFO] [stderr]   Downloaded rayon-core v1.9.0
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.4
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.4
[INFO] [stderr]   Downloaded cast v0.2.5
[INFO] [stderr]   Downloaded regex-automata v0.1.9
[INFO] [stderr]   Downloaded syn v1.0.72
[INFO] [stderr]   Downloaded libc v0.2.94
[INFO] [stderr]   Downloaded plotters v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 974079db2a4072ac7b68a8f4331d6d0c7ed5a6df45a536b4161c3126e80329c6
[INFO] running `Command { std: "docker" "start" "974079db2a4072ac7b68a8f4331d6d0c7ed5a6df45a536b4161c3126e80329c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "974079db2a4072ac7b68a8f4331d6d0c7ed5a6df45a536b4161c3126e80329c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "974079db2a4072ac7b68a8f4331d6d0c7ed5a6df45a536b4161c3126e80329c6" "/opt/rustwide/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "974079db2a4072ac7b68a8f4331d6d0c7ed5a6df45a536b4161c3126e80329c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "974079db2a4072ac7b68a8f4331d6d0c7ed5a6df45a536b4161c3126e80329c6" "/opt/rustwide/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling cast v0.2.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling crossbeam-utils v0.8.4
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking plotters-backend v0.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking plotters-svg v0.3.0
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking plotters v0.3.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking svg v0.9.1
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking lc-render v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/shape/bar.rs:163:40
[INFO] [stdout]     |
[INFO] [stdout] 163 |             Orientation::Horizontal => (X_ATTR),
[INFO] [stdout]     |                                        ^      ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 163 -             Orientation::Horizontal => (X_ATTR),
[INFO] [stdout] 163 +             Orientation::Horizontal => X_ATTR,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/shape/bar.rs:164:38
[INFO] [stdout]     |
[INFO] [stdout] 164 |             Orientation::Vertical => (Y_ATTR),
[INFO] [stdout]     |                                      ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 164 -             Orientation::Vertical => (Y_ATTR),
[INFO] [stdout] 164 +             Orientation::Vertical => Y_ATTR,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/shape/bar.rs:167:40
[INFO] [stdout]     |
[INFO] [stdout] 167 |             Orientation::Horizontal => (Y_ATTR),
[INFO] [stdout]     |                                        ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 167 -             Orientation::Horizontal => (Y_ATTR),
[INFO] [stdout] 167 +             Orientation::Horizontal => Y_ATTR,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/shape/bar.rs:168:38
[INFO] [stdout]     |
[INFO] [stdout] 168 |             Orientation::Vertical => (X_ATTR),
[INFO] [stdout]     |                                      ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 168 -             Orientation::Vertical => (X_ATTR),
[INFO] [stdout] 168 +             Orientation::Vertical => X_ATTR,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/shape/bar.rs:171:40
[INFO] [stdout]     |
[INFO] [stdout] 171 |             Orientation::Horizontal => (WIDTH_ATTR),
[INFO] [stdout]     |                                        ^          ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 171 -             Orientation::Horizontal => (WIDTH_ATTR),
[INFO] [stdout] 171 +             Orientation::Horizontal => WIDTH_ATTR,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/shape/bar.rs:172:38
[INFO] [stdout]     |
[INFO] [stdout] 172 |             Orientation::Vertical => (HEIGHT_ATTR),
[INFO] [stdout]     |                                      ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 172 -             Orientation::Vertical => (HEIGHT_ATTR),
[INFO] [stdout] 172 +             Orientation::Vertical => HEIGHT_ATTR,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/shape/bar.rs:175:40
[INFO] [stdout]     |
[INFO] [stdout] 175 |             Orientation::Horizontal => (HEIGHT_ATTR),
[INFO] [stdout]     |                                        ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 175 -             Orientation::Horizontal => (HEIGHT_ATTR),
[INFO] [stdout] 175 +             Orientation::Horizontal => HEIGHT_ATTR,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/shape/bar.rs:176:38
[INFO] [stdout]     |
[INFO] [stdout] 176 |             Orientation::Vertical => (WIDTH_ATTR),
[INFO] [stdout]     |                                      ^          ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 176 -             Orientation::Vertical => (WIDTH_ATTR),
[INFO] [stdout] 176 +             Orientation::Vertical => WIDTH_ATTR,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.3.4
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/error.rs:57:29
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let _err = &err as &(dyn std::error::Error);
[INFO] [stdout]    |                             ^                     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 57 -         let _err = &err as &(dyn std::error::Error);
[INFO] [stdout] 57 +         let _err = &err as &dyn std::error::Error;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/shape/bar.rs:163:40
[INFO] [stdout]     |
[INFO] [stdout] 163 |             Orientation::Horizontal => (X_ATTR),
[INFO] [stdout]     |                                        ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 163 -             Orientation::Horizontal => (X_ATTR),
[INFO] [stdout] 163 +             Orientation::Horizontal => X_ATTR,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/shape/bar.rs:164:38
[INFO] [stdout]     |
[INFO] [stdout] 164 |             Orientation::Vertical => (Y_ATTR),
[INFO] [stdout]     |                                      ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 164 -             Orientation::Vertical => (Y_ATTR),
[INFO] [stdout] 164 +             Orientation::Vertical => Y_ATTR,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/shape/bar.rs:167:40
[INFO] [stdout]     |
[INFO] [stdout] 167 |             Orientation::Horizontal => (Y_ATTR),
[INFO] [stdout]     |                                        ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 167 -             Orientation::Horizontal => (Y_ATTR),
[INFO] [stdout] 167 +             Orientation::Horizontal => Y_ATTR,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/shape/bar.rs:168:38
[INFO] [stdout]     |
[INFO] [stdout] 168 |             Orientation::Vertical => (X_ATTR),
[INFO] [stdout]     |                                      ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 168 -             Orientation::Vertical => (X_ATTR),
[INFO] [stdout] 168 +             Orientation::Vertical => X_ATTR,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/shape/bar.rs:171:40
[INFO] [stdout]     |
[INFO] [stdout] 171 |             Orientation::Horizontal => (WIDTH_ATTR),
[INFO] [stdout]     |                                        ^          ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 171 -             Orientation::Horizontal => (WIDTH_ATTR),
[INFO] [stdout] 171 +             Orientation::Horizontal => WIDTH_ATTR,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/shape/bar.rs:172:38
[INFO] [stdout]     |
[INFO] [stdout] 172 |             Orientation::Vertical => (HEIGHT_ATTR),
[INFO] [stdout]     |                                      ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 172 -             Orientation::Vertical => (HEIGHT_ATTR),
[INFO] [stdout] 172 +             Orientation::Vertical => HEIGHT_ATTR,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/shape/bar.rs:175:40
[INFO] [stdout]     |
[INFO] [stdout] 175 |             Orientation::Horizontal => (HEIGHT_ATTR),
[INFO] [stdout]     |                                        ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 175 -             Orientation::Horizontal => (HEIGHT_ATTR),
[INFO] [stdout] 175 +             Orientation::Horizontal => HEIGHT_ATTR,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/shape/bar.rs:176:38
[INFO] [stdout]     |
[INFO] [stdout] 176 |             Orientation::Vertical => (WIDTH_ATTR),
[INFO] [stdout]     |                                      ^          ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 176 -             Orientation::Vertical => (WIDTH_ATTR),
[INFO] [stdout] 176 +             Orientation::Vertical => WIDTH_ATTR,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/error.rs:45:18
[INFO] [stdout]    |
[INFO] [stdout] 45 |         struct B(Option<Box<dyn std::error::Error + 'static>>);
[INFO] [stdout]    |                - ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                |
[INFO] [stdout]    |                field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `B` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 33.72s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.4, svg v0.9.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "974079db2a4072ac7b68a8f4331d6d0c7ed5a6df45a536b4161c3126e80329c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "974079db2a4072ac7b68a8f4331d6d0c7ed5a6df45a536b4161c3126e80329c6", kill_on_drop: false }`
[INFO] [stdout] 974079db2a4072ac7b68a8f4331d6d0c7ed5a6df45a536b4161c3126e80329c6
