[INFO] fetching crate plotlib 0.5.1... [INFO] checking plotlib-0.5.1 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1 [INFO] extracting crate plotlib 0.5.1 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate plotlib 0.5.1 [INFO] finished tweaking crates.io crate plotlib 0.5.1 [INFO] tweaked toml for crates.io crate plotlib 0.5.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate plotlib 0.5.1 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate plotlib 0.5.1 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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 561e2fc546e50345f7ab3dfb8d6db9b4aa1600b3b473907c8708cacc055ed921 [INFO] running `Command { std: "docker" "start" "-a" "561e2fc546e50345f7ab3dfb8d6db9b4aa1600b3b473907c8708cacc055ed921", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "561e2fc546e50345f7ab3dfb8d6db9b4aa1600b3b473907c8708cacc055ed921", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "561e2fc546e50345f7ab3dfb8d6db9b4aa1600b3b473907c8708cacc055ed921", kill_on_drop: false }` [INFO] [stdout] 561e2fc546e50345f7ab3dfb8d6db9b4aa1600b3b473907c8708cacc055ed921 [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 61faceebc2f95543560dd5f6e91f7b00cac203cd376b3d01a7ff0b63e000b58a [INFO] running `Command { std: "docker" "start" "-a" "61faceebc2f95543560dd5f6e91f7b00cac203cd376b3d01a7ff0b63e000b58a", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.9 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling libc v0.2.67 [INFO] [stderr] Compiling cc v1.0.50 [INFO] [stderr] Compiling syn v1.0.16 [INFO] [stderr] Compiling failure_derive v0.1.7 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking svg v0.7.1 [INFO] [stderr] Compiling backtrace-sys v0.1.34 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Checking backtrace v0.3.45 [INFO] [stderr] Compiling synstructure v0.12.3 [INFO] [stderr] Checking failure v0.1.7 [INFO] [stderr] Checking plotlib v0.5.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around closure body [INFO] [stdout] --> src/axis.rs:124:23 [INFO] [stdout] | [INFO] [stdout] 124 | .map(|&s| (f64::from(s) * base_step_scale)) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 124 - .map(|&s| (f64::from(s) * base_step_scale)) [INFO] [stdout] 124 + .map(|&s| f64::from(s) * base_step_scale) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around index expression [INFO] [stdout] --> src/utils.rs:23:47 [INFO] [stdout] | [INFO] [stdout] 23 | 0 => (s[(s.len() / 2) - 1] / 2.) + (s[(s.len() / 2)] / 2.), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 23 - 0 => (s[(s.len() / 2) - 1] / 2.) + (s[(s.len() / 2)] / 2.), [INFO] [stdout] 23 + 0 => (s[(s.len() / 2) - 1] / 2.) + (s[s.len() / 2] / 2.), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around closure body [INFO] [stdout] --> src/axis.rs:124:23 [INFO] [stdout] | [INFO] [stdout] 124 | .map(|&s| (f64::from(s) * base_step_scale)) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 124 - .map(|&s| (f64::from(s) * base_step_scale)) [INFO] [stdout] 124 + .map(|&s| f64::from(s) * base_step_scale) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around index expression [INFO] [stdout] --> src/utils.rs:23:47 [INFO] [stdout] | [INFO] [stdout] 23 | 0 => (s[(s.len() / 2) - 1] / 2.) + (s[(s.len() / 2)] / 2.), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 23 - 0 => (s[(s.len() / 2) - 1] / 2.) + (s[(s.len() / 2)] / 2.), [INFO] [stdout] 23 + 0 => (s[(s.len() / 2) - 1] / 2.) + (s[s.len() / 2] / 2.), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `line_style` [INFO] [stdout] --> src/repr/plot.rs:182:38 [INFO] [stdout] | [INFO] [stdout] 182 | let face_lines = if let Some(line_style) = &self.line_style { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_line_style` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `line_style` [INFO] [stdout] --> src/repr/plot.rs:182:38 [INFO] [stdout] | [INFO] [stdout] 182 | let face_lines = if let Some(line_style) = &self.line_style { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_line_style` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/utils.rs:6:17 [INFO] [stdout] | [INFO] [stdout] 6 | fn pairwise(&self) -> Zip, Skip>>; [INFO] [stdout] | ^^^^^ ------- ------- the same lifetime is hidden here [INFO] [stdout] | | | [INFO] [stdout] | | the same lifetime is hidden here [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 6 | fn pairwise(&self) -> Zip, Skip>>; [INFO] [stdout] | +++ +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/utils.rs:10:17 [INFO] [stdout] | [INFO] [stdout] 10 | fn pairwise(&self) -> Zip, Skip>> { [INFO] [stdout] | ^^^^^ ------- ------- the same lifetime is hidden here [INFO] [stdout] | | | [INFO] [stdout] | | the same lifetime is hidden here [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 10 | fn pairwise(&self) -> Zip, Skip>> { [INFO] [stdout] | +++ +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/utils.rs:6:17 [INFO] [stdout] | [INFO] [stdout] 6 | fn pairwise(&self) -> Zip, Skip>>; [INFO] [stdout] | ^^^^^ ------- ------- the same lifetime is hidden here [INFO] [stdout] | | | [INFO] [stdout] | | the same lifetime is hidden here [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 6 | fn pairwise(&self) -> Zip, Skip>>; [INFO] [stdout] | +++ +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/utils.rs:10:17 [INFO] [stdout] | [INFO] [stdout] 10 | fn pairwise(&self) -> Zip, Skip>> { [INFO] [stdout] | ^^^^^ ------- ------- the same lifetime is hidden here [INFO] [stdout] | | | [INFO] [stdout] | | the same lifetime is hidden here [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 10 | fn pairwise(&self) -> Zip, Skip>> { [INFO] [stdout] | +++ +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.31s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: svg v0.7.1 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "61faceebc2f95543560dd5f6e91f7b00cac203cd376b3d01a7ff0b63e000b58a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "61faceebc2f95543560dd5f6e91f7b00cac203cd376b3d01a7ff0b63e000b58a", kill_on_drop: false }` [INFO] [stdout] 61faceebc2f95543560dd5f6e91f7b00cac203cd376b3d01a7ff0b63e000b58a