[INFO] fetching crate plotpy 0.1.1...
[INFO] checking plotpy-0.1.1 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] extracting crate plotpy 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate plotpy 0.1.1 on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate plotpy 0.1.1
[INFO] finished tweaking crates.io crate plotpy 0.1.1
[INFO] tweaked toml for crates.io crate plotpy 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 42e6f536553a9090672b36b2d0b1d6b971dbde9cdc611d03cc751fc09bd1eadf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "42e6f536553a9090672b36b2d0b1d6b971dbde9cdc611d03cc751fc09bd1eadf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42e6f536553a9090672b36b2d0b1d6b971dbde9cdc611d03cc751fc09bd1eadf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42e6f536553a9090672b36b2d0b1d6b971dbde9cdc611d03cc751fc09bd1eadf", kill_on_drop: false }`
[INFO] [stdout] 42e6f536553a9090672b36b2d0b1d6b971dbde9cdc611d03cc751fc09bd1eadf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 461cc782a6a6b8806636b20fb814b4c8aba2f605b111b13e065d741a44886865
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "461cc782a6a6b8806636b20fb814b4c8aba2f605b111b13e065d741a44886865", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Checking plotpy v0.1.1 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stdout] warning: associated function is never used: `options`
[INFO] [stdout]   --> src/contour.rs:41:19
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub(crate) fn options(&self) -> String {
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `options`
[INFO] [stdout]   --> src/graph3d.rs:25:19
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub(crate) fn options(&self) -> String {
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `options`
[INFO] [stdout]   --> src/histogram.rs:29:19
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub(crate) fn options(&self) -> String {
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `options`
[INFO] [stdout]   --> src/legend.rs:29:19
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub(crate) fn options() -> String {
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `options`
[INFO] [stdout]   --> src/shapes.rs:27:19
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub(crate) fn options(&self) -> String {
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `options`
[INFO] [stdout]   --> src/text.rs:25:19
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub(crate) fn options(&self) -> String {
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `array2list`
[INFO] [stdout]  --> src/util.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub(crate) fn array2list<T: std::fmt::Display>(values: &[T]) -> String {
[INFO] [stdout]   |               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]        Fixed src/util.rs (1 fix)
[INFO] [stdout] warning: associated function is never used: `options`
[INFO] [stdout]   --> src/contour.rs:41:19
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub(crate) fn options(&self) -> String {
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `options`
[INFO] [stdout]   --> src/graph3d.rs:25:19
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub(crate) fn options(&self) -> String {
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `options`
[INFO] [stdout]   --> src/histogram.rs:29:19
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub(crate) fn options(&self) -> String {
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `options`
[INFO] [stdout]   --> src/legend.rs:29:19
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub(crate) fn options() -> String {
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `options`
[INFO] [stdout]   --> src/shapes.rs:27:19
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub(crate) fn options(&self) -> String {
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `options`
[INFO] [stdout]   --> src/text.rs:25:19
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub(crate) fn options(&self) -> String {
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.14s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking plotpy v0.1.1 (/tmp/fixit)
[INFO] [stdout] warning: associated function is never used: `options`
[INFO] [stdout]   --> src/contour.rs:41:19
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub(crate) fn options(&self) -> String {
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `options`
[INFO] [stdout]   --> src/graph3d.rs:25:19
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub(crate) fn options(&self) -> String {
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `options`
[INFO] [stdout]   --> src/histogram.rs:29:19
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub(crate) fn options(&self) -> String {
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `options`
[INFO] [stdout]   --> src/legend.rs:29:19
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub(crate) fn options() -> String {
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `options`
[INFO] [stdout]   --> src/shapes.rs:27:19
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub(crate) fn options(&self) -> String {
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `options`
[INFO] [stdout]   --> src/text.rs:25:19
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub(crate) fn options(&self) -> String {
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `array2list`
[INFO] [stdout]  --> src/util.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub(crate) fn array2list<T: std::fmt::Display>(values: &[T]) -> String {
[INFO] [stdout]   |               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `options`
[INFO] [stdout]   --> src/contour.rs:41:19
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub(crate) fn options(&self) -> String {
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `options`
[INFO] [stdout]   --> src/graph3d.rs:25:19
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub(crate) fn options(&self) -> String {
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `options`
[INFO] [stdout]   --> src/histogram.rs:29:19
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub(crate) fn options(&self) -> String {
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `options`
[INFO] [stdout]   --> src/legend.rs:29:19
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub(crate) fn options() -> String {
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `options`
[INFO] [stdout]   --> src/shapes.rs:27:19
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub(crate) fn options(&self) -> String {
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `options`
[INFO] [stdout]   --> src/text.rs:25:19
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub(crate) fn options(&self) -> String {
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "461cc782a6a6b8806636b20fb814b4c8aba2f605b111b13e065d741a44886865", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "461cc782a6a6b8806636b20fb814b4c8aba2f605b111b13e065d741a44886865", kill_on_drop: false }`
[INFO] [stdout] 461cc782a6a6b8806636b20fb814b4c8aba2f605b111b13e065d741a44886865