[INFO] fetching crate lc-render 0.2.3...
[INFO] checking lc-render-0.2.3 against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] extracting crate lc-render 0.2.3 into /workspace/builds/worker-4-tc2/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-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate lc-render 0.2.3 on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "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" "+b1f2594eac607c1f051534800237eeedb5590a49" "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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 81a17abfae20f0eab77cc2990818ec1214eee2093c4fa5a881150ea1d2c01444
[INFO] running `Command { std: "docker" "start" "-a" "81a17abfae20f0eab77cc2990818ec1214eee2093c4fa5a881150ea1d2c01444", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81a17abfae20f0eab77cc2990818ec1214eee2093c4fa5a881150ea1d2c01444", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81a17abfae20f0eab77cc2990818ec1214eee2093c4fa5a881150ea1d2c01444", kill_on_drop: false }`
[INFO] [stdout] 81a17abfae20f0eab77cc2990818ec1214eee2093c4fa5a881150ea1d2c01444
[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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 492b81aef828e1bd919fac7d4698e30bf74f3be15d42b9f0c5f5141b864f2456
[INFO] running `Command { std: "docker" "start" "-a" "492b81aef828e1bd919fac7d4698e30bf74f3be15d42b9f0c5f5141b864f2456", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.4
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]     Checking plotters-backend v0.3.0
[INFO] [stderr]    Compiling cast v0.2.5
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking svg v0.9.1
[INFO] [stderr]     Checking plotters-svg v0.3.0
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking plotters v0.3.0
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking crossbeam-epoch v0.9.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[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 rayon-core v1.9.0
[INFO] [stderr]     Checking rayon v1.5.0
[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 16.38s
[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 7`
[INFO] running `Command { std: "docker" "inspect" "492b81aef828e1bd919fac7d4698e30bf74f3be15d42b9f0c5f5141b864f2456", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "492b81aef828e1bd919fac7d4698e30bf74f3be15d42b9f0c5f5141b864f2456", kill_on_drop: false }`
[INFO] [stdout] 492b81aef828e1bd919fac7d4698e30bf74f3be15d42b9f0c5f5141b864f2456
