[INFO] fetching crate plotlib 0.5.1...
[INFO] testing plotlib-0.5.1 against 1.91.0 for beta-1.92-2
[INFO] extracting crate plotlib 0.5.1 into /workspace/builds/worker-6-tc1/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-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate plotlib 0.5.1 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "fetch" "--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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded svg v0.7.1
[INFO] [stderr]   Downloaded failure_derive v0.1.7
[INFO] [stderr]   Downloaded failure v0.1.7
[INFO] [stderr]   Downloaded unicode-xid v0.2.0
[INFO] [stderr]   Downloaded quote v1.0.3
[INFO] [stderr]   Downloaded proc-macro2 v1.0.9
[INFO] [stderr]   Downloaded synstructure v0.12.3
[INFO] [stderr]   Downloaded rustc-demangle v0.1.16
[INFO] [stderr]   Downloaded cc v1.0.50
[INFO] [stderr]   Downloaded backtrace v0.3.45
[INFO] [stderr]   Downloaded syn v1.0.16
[INFO] [stderr]   Downloaded libc v0.2.67
[INFO] [stderr]   Downloaded backtrace-sys v0.1.34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f0c0284aa5d9bd244dc408d89d70761fb63ca4e556592c6c5c3d4cc8cb8030a
[INFO] running `Command { std: "docker" "start" "-a" "2f0c0284aa5d9bd244dc408d89d70761fb63ca4e556592c6c5c3d4cc8cb8030a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f0c0284aa5d9bd244dc408d89d70761fb63ca4e556592c6c5c3d4cc8cb8030a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f0c0284aa5d9bd244dc408d89d70761fb63ca4e556592c6c5c3d4cc8cb8030a", kill_on_drop: false }`
[INFO] [stdout] 2f0c0284aa5d9bd244dc408d89d70761fb63ca4e556592c6c5c3d4cc8cb8030a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ef58a3b579b538ae38d4f5bc1f7c3820961c5aca5904191195e9806bcafbc47
[INFO] running `Command { std: "docker" "start" "-a" "6ef58a3b579b538ae38d4f5bc1f7c3820961c5aca5904191195e9806bcafbc47", 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]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling svg v0.7.1
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.34
[INFO] [stderr]    Compiling backtrace v0.3.45
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling failure v0.1.7
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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<Iter<T>, Skip<Iter<T>>>;
[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<Iter<'_, T>, Skip<Iter<'_, T>>>;
[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<Iter<T>, Skip<Iter<T>>> {
[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<Iter<'_, T>, Skip<Iter<'_, T>>> {
[INFO] [stdout]    |                                    +++               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.80s
[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" "6ef58a3b579b538ae38d4f5bc1f7c3820961c5aca5904191195e9806bcafbc47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ef58a3b579b538ae38d4f5bc1f7c3820961c5aca5904191195e9806bcafbc47", kill_on_drop: false }`
[INFO] [stdout] 6ef58a3b579b538ae38d4f5bc1f7c3820961c5aca5904191195e9806bcafbc47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b77536516f860319f5129430e83ae8b89118b62ffd16d578ae502761a78b293c
[INFO] running `Command { std: "docker" "start" "-a" "b77536516f860319f5129430e83ae8b89118b62ffd16d578ae502761a78b293c", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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<Iter<T>, Skip<Iter<T>>>;
[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<Iter<'_, T>, Skip<Iter<'_, T>>>;
[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<Iter<T>, Skip<Iter<T>>> {
[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<Iter<'_, T>, Skip<Iter<'_, T>>> {
[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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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<Iter<T>, Skip<Iter<T>>>;
[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<Iter<'_, T>, Skip<Iter<'_, T>>>;
[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<Iter<T>, Skip<Iter<T>>> {
[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<Iter<'_, T>, Skip<Iter<'_, T>>> {
[INFO] [stdout]    |                                    +++               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.48s
[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" "b77536516f860319f5129430e83ae8b89118b62ffd16d578ae502761a78b293c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b77536516f860319f5129430e83ae8b89118b62ffd16d578ae502761a78b293c", kill_on_drop: false }`
[INFO] [stdout] b77536516f860319f5129430e83ae8b89118b62ffd16d578ae502761a78b293c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ae649c22bdf189937fb1d6b9df9a7c465717f855c293f6f1cbe05338630bead2
[INFO] running `Command { std: "docker" "start" "-a" "ae649c22bdf189937fb1d6b9df9a7c465717f855c293f6f1cbe05338630bead2", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]    --> src/axis.rs:124:23
[INFO] [stderr]     |
[INFO] [stderr] 124 |             .map(|&s| (f64::from(s) * base_step_scale))
[INFO] [stderr]     |                       ^                              ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 124 -             .map(|&s| (f64::from(s) * base_step_scale))
[INFO] [stderr] 124 +             .map(|&s| f64::from(s) * base_step_scale)
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around index expression
[INFO] [stderr]   --> src/utils.rs:23:47
[INFO] [stderr]    |
[INFO] [stderr] 23 |         0 => (s[(s.len() / 2) - 1] / 2.) + (s[(s.len() / 2)] / 2.),
[INFO] [stderr]    |                                               ^           ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 23 -         0 => (s[(s.len() / 2) - 1] / 2.) + (s[(s.len() / 2)] / 2.),
[INFO] [stderr] 23 +         0 => (s[(s.len() / 2) - 1] / 2.) + (s[s.len() / 2] / 2.),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line_style`
[INFO] [stderr]    --> src/repr/plot.rs:182:38
[INFO] [stderr]     |
[INFO] [stderr] 182 |         let face_lines = if let Some(line_style) = &self.line_style {
[INFO] [stderr]     |                                      ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_line_style`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]  --> src/utils.rs:6:17
[INFO] [stderr]   |
[INFO] [stderr] 6 |     fn pairwise(&self) -> Zip<Iter<T>, Skip<Iter<T>>>;
[INFO] [stderr]   |                 ^^^^^         ^^^^^^^       ^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]   |                 |             |
[INFO] [stderr]   |                 |             the same lifetime is hidden here
[INFO] [stderr]   |                 the lifetime is elided here
[INFO] [stderr]   |
[INFO] [stderr]   = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]   = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]   |
[INFO] [stderr] 6 |     fn pairwise(&self) -> Zip<Iter<'_, T>, Skip<Iter<'_, T>>>;
[INFO] [stderr]   |                                    +++               +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/utils.rs:10:17
[INFO] [stderr]    |
[INFO] [stderr] 10 |     fn pairwise(&self) -> Zip<Iter<T>, Skip<Iter<T>>> {
[INFO] [stderr]    |                 ^^^^^         ^^^^^^^       ^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                 |             |
[INFO] [stderr]    |                 |             the same lifetime is hidden here
[INFO] [stderr]    |                 the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 10 |     fn pairwise(&self) -> Zip<Iter<'_, T>, Skip<Iter<'_, T>>> {
[INFO] [stderr]    |                                    +++               +++
[INFO] [stderr] 
[INFO] [stderr] warning: `plotlib` (lib) generated 5 warnings (run `cargo fix --lib -p plotlib` to apply 4 suggestions)
[INFO] [stderr] warning: `plotlib` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[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] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/plotlib-a8e6c81c51844a5c)
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test axis::tests::test_calculate_ticks ... ok
[INFO] [stdout] test axis::tests::test_number_of_ticks ... ok
[INFO] [stdout] test axis::tests::test_tick_step_generator ... ok
[INFO] [stdout] test repr::histogram::tests::test_histogram_from_slice ... ok
[INFO] [stdout] test axis::tests::test_calculate_tick_step_for_range ... ok
[INFO] [stdout] test svg_render::tests::test_value_to_face_offset ... ok
[INFO] [stdout] test repr::histogram::tests::test_histogram_define_bin_bounds ... ok
[INFO] [stdout] test style::tests::test_linestyle_plain_overlay ... ok
[INFO] [stdout] test text_render::tests::test_bins_for_cells ... ok
[INFO] [stdout] test text_render::tests::test_empty_face ... ok
[INFO] [stdout] test text_render::tests::test_overlay ... ok
[INFO] [stdout] test text_render::tests::test_render_y_axis_strings ... ok
[INFO] [stdout] test text_render::tests::test_render_face_bars ... ok
[INFO] [stdout] test text_render::tests::test_value_to_axis_cell_offset ... ok
[INFO] [stdout] test text_render::tests::test_x_axis_label ... ok
[INFO] [stdout] test utils::tests::test_mean ... ok
[INFO] [stdout] test utils::tests::test_pairwise ... ok
[INFO] [stdout] test text_render::tests::test_render_face_points ... ok
[INFO] [stdout] test utils::tests::test_median ... ok
[INFO] [stdout] test utils::tests::test_pad_range_to_zero ... ok
[INFO] [stdout] test utils::tests::test_quartiles ... ok
[INFO] [stdout] test text_render::tests::test_render_x_axis_strings ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stderr]      Running tests/test_no_data.rs (/opt/rustwide/target/debug/deps/test_no_data-91bd3156af6a028f)
[INFO] [stderr]    Doc-tests plotlib
[INFO] [stdout] test test_data_with_no_length ... ok
[INFO] [stdout] test test_data_with_one_length_and_autoscaling_axes_limits ... ok
[INFO] [stdout] test test_data_with_one_length ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]    --> src/axis.rs:124:23
[INFO] [stderr]     |
[INFO] [stderr] 124 |             .map(|&s| (f64::from(s) * base_step_scale))
[INFO] [stderr]     |                       ^                              ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 124 -             .map(|&s| (f64::from(s) * base_step_scale))
[INFO] [stderr] 124 +             .map(|&s| f64::from(s) * base_step_scale)
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around index expression
[INFO] [stderr]   --> src/utils.rs:23:47
[INFO] [stderr]    |
[INFO] [stderr] 23 |         0 => (s[(s.len() / 2) - 1] / 2.) + (s[(s.len() / 2)] / 2.),
[INFO] [stderr]    |                                               ^           ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 23 -         0 => (s[(s.len() / 2) - 1] / 2.) + (s[(s.len() / 2)] / 2.),
[INFO] [stderr] 23 +         0 => (s[(s.len() / 2) - 1] / 2.) + (s[s.len() / 2] / 2.),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/repr/histogram.rs - repr::histogram (line 6) ... ok
[INFO] [stdout] test src/repr/boxplot.rs - repr::boxplot (line 6) ... ok
[INFO] [stdout] test src/repr/plot.rs - repr::plot (line 3) ... ok
[INFO] [stdout] test src/repr/barchart.rs - repr::barchart (line 6) ... ok
[INFO] [stdout] test src/grid.rs - grid (line 15) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.78s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ae649c22bdf189937fb1d6b9df9a7c465717f855c293f6f1cbe05338630bead2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae649c22bdf189937fb1d6b9df9a7c465717f855c293f6f1cbe05338630bead2", kill_on_drop: false }`
[INFO] [stdout] ae649c22bdf189937fb1d6b9df9a7c465717f855c293f6f1cbe05338630bead2
