[INFO] fetching crate lc-render 0.2.3... [INFO] checking lc-render-0.2.3 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate lc-render 0.2.3 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate lc-render 0.2.3 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-3-tc1/source/Cargo.toml [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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serde_cbor v0.11.1 [INFO] [stderr] Downloaded rayon-core v1.9.0 [INFO] [stderr] Downloaded criterion-plot v0.4.3 [INFO] [stderr] Downloaded plotters-backend v0.3.0 [INFO] [stderr] Downloaded memoffset v0.6.3 [INFO] [stderr] Downloaded plotters-svg v0.3.0 [INFO] [stderr] Downloaded cast v0.2.5 [INFO] [stderr] Downloaded js-sys v0.3.51 [INFO] [stderr] Downloaded wasm-bindgen-backend v0.2.74 [INFO] [stderr] Downloaded bumpalo v3.6.1 [INFO] [stderr] Downloaded wasm-bindgen v0.2.74 [INFO] [stderr] Downloaded criterion v0.3.4 [INFO] [stderr] Downloaded web-sys v0.3.51 [INFO] [stderr] Downloaded wasm-bindgen-macro-support v0.2.74 [INFO] [stderr] Downloaded svg v0.9.1 [INFO] [stderr] Downloaded crossbeam-epoch v0.9.4 [INFO] [stderr] Downloaded crossbeam-utils v0.8.4 [INFO] [stderr] Downloaded rayon v1.5.0 [INFO] [stderr] Downloaded wasm-bindgen-shared v0.2.74 [INFO] [stderr] Downloaded wasm-bindgen-macro v0.2.74 [INFO] [stderr] Downloaded crossbeam-deque v0.8.0 [INFO] [stderr] Downloaded half v1.7.1 [INFO] [stderr] Downloaded plotters v0.3.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3570bd491af00da9f59261327091eb59421dbac43e32fe50fb55419b00dc1b5c [INFO] running `Command { std: "docker" "start" "-a" "3570bd491af00da9f59261327091eb59421dbac43e32fe50fb55419b00dc1b5c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3570bd491af00da9f59261327091eb59421dbac43e32fe50fb55419b00dc1b5c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3570bd491af00da9f59261327091eb59421dbac43e32fe50fb55419b00dc1b5c", kill_on_drop: false }` [INFO] [stdout] 3570bd491af00da9f59261327091eb59421dbac43e32fe50fb55419b00dc1b5c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e3073d83b9d3d9cb60aa32908a2db58906c7374f8eeb8f0a3d54e8bf83698cc4 [INFO] running `Command { std: "docker" "start" "-a" "e3073d83b9d3d9cb60aa32908a2db58906c7374f8eeb8f0a3d54e8bf83698cc4", 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 libc v0.2.94 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Compiling serde_derive v1.0.126 [INFO] [stderr] Checking plotters-backend v0.3.0 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Checking plotters-svg v0.3.0 [INFO] [stderr] Checking half v1.7.1 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking svg v0.9.1 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking lc-render v0.2.3 (/opt/rustwide/workdir) [INFO] [stderr] Checking plotters v0.3.0 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stdout] warning: the item `ToString` is imported redundantly [INFO] [stdout] --> src/shape/axis.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::string::ToString; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `ToString` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking csv-core v0.1.10 [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)]` 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] Compiling cast v0.2.5 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking crossbeam-epoch v0.9.4 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking criterion-plot v0.4.3 [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: the item `Color` is imported redundantly [INFO] [stdout] --> src/view/area.rs:197:9 [INFO] [stdout] | [INFO] [stdout] 196 | use super::*; [INFO] [stdout] | -------- the item `Color` is already imported here [INFO] [stdout] 197 | use crate::Color; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Color` is imported redundantly [INFO] [stdout] --> src/view/line.rs:172:9 [INFO] [stdout] | [INFO] [stdout] 171 | use super::*; [INFO] [stdout] | -------- the item `Color` is already imported here [INFO] [stdout] 172 | use crate::Color; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ToString` is imported redundantly [INFO] [stdout] --> src/shape/axis.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::string::ToString; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `ToString` is already defined here [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] = note: `#[warn(unused_parens)]` 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] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/error.rs:45:18 [INFO] [stdout] | [INFO] [stdout] 45 | struct B(Option>); [INFO] [stdout] | - ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [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)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 45 | struct B(()); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.38s [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 2` [INFO] running `Command { std: "docker" "inspect" "e3073d83b9d3d9cb60aa32908a2db58906c7374f8eeb8f0a3d54e8bf83698cc4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e3073d83b9d3d9cb60aa32908a2db58906c7374f8eeb8f0a3d54e8bf83698cc4", kill_on_drop: false }` [INFO] [stdout] e3073d83b9d3d9cb60aa32908a2db58906c7374f8eeb8f0a3d54e8bf83698cc4