[INFO] fetching crate plt 0.4.1...
[INFO] checking plt-0.4.1 against 1.95.0 for pr-155915
[INFO] extracting crate plt 0.4.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate plt 0.4.1
[INFO] finished tweaking crates.io crate plt 0.4.1
[INFO] tweaked toml for crates.io crate plt 0.4.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate plt 0.4.1 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate plt 0.4.1 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gobject-sys v0.16.3
[INFO] [stderr]   Downloaded system-deps v6.0.3
[INFO] [stderr]   Downloaded plt-cairo v0.1.0
[INFO] [stderr]   Downloaded futures-core v0.3.25
[INFO] [stderr]   Downloaded cairo-sys-rs v0.16.3
[INFO] [stderr]   Downloaded futures-macro v0.3.25
[INFO] [stderr]   Downloaded plt-draw v0.4.0
[INFO] [stderr]   Downloaded futures-task v0.3.25
[INFO] [stderr]   Downloaded dyn-clone v1.0.9
[INFO] [stderr]   Downloaded num-complex v0.4.0
[INFO] [stderr]   Downloaded futures-executor v0.3.25
[INFO] [stderr]   Downloaded png v0.17.7
[INFO] [stderr]   Downloaded futures-channel v0.3.25
[INFO] [stderr]   Downloaded cairo-rs v0.16.3
[INFO] [stderr]   Downloaded gio-sys v0.16.3
[INFO] [stderr]   Downloaded glib-sys v0.16.3
[INFO] [stderr]   Downloaded serde v1.0.147
[INFO] [stderr]   Downloaded libm v0.2.6
[INFO] [stderr]   Downloaded cfg-expr v0.11.0
[INFO] [stderr]   Downloaded futures-util v0.3.25
[INFO] [stderr]   Downloaded glib-macros v0.16.3
[INFO] [stderr]   Downloaded glib v0.16.3
[INFO] [stderr]   Downloaded ndarray v0.15.4
[INFO] [stderr]   Downloaded libc v0.2.137
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a9fb680225e7cfcd1f2157109c11f961ac31d5d134596d1b976bbc165c73891
[INFO] running `Command { std: "docker" "start" "-a" "3a9fb680225e7cfcd1f2157109c11f961ac31d5d134596d1b976bbc165c73891", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a9fb680225e7cfcd1f2157109c11f961ac31d5d134596d1b976bbc165c73891", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a9fb680225e7cfcd1f2157109c11f961ac31d5d134596d1b976bbc165c73891", kill_on_drop: false }`
[INFO] [stdout] 3a9fb680225e7cfcd1f2157109c11f961ac31d5d134596d1b976bbc165c73891
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d35a33a5c78f67f50ad8d6187c585b61a0b72450c73f73f6afb3f425841f78f2
[INFO] running `Command { std: "docker" "start" "-a" "d35a33a5c78f67f50ad8d6187c585b61a0b72450c73f73f6afb3f425841f78f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling anyhow v1.0.52
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling libm v0.2.6
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]    Compiling once_cell v1.16.0
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]     Checking miniz_oxide v0.5.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]    Compiling cfg-expr v0.11.0
[INFO] [stderr]     Checking matrixmultiply v0.3.2
[INFO] [stderr]     Checking dyn-clone v1.0.9
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking png v0.17.7
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking ndarray v0.15.4
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling toml v0.5.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.37
[INFO] [stderr]    Compiling futures-macro v0.3.25
[INFO] [stderr]    Compiling system-deps v6.0.3
[INFO] [stderr]    Compiling proc-macro-crate v1.2.1
[INFO] [stderr]     Checking plt-draw v0.4.0
[INFO] [stderr]    Compiling glib-sys v0.16.3
[INFO] [stderr]    Compiling gobject-sys v0.16.3
[INFO] [stderr]    Compiling gio-sys v0.16.3
[INFO] [stderr]    Compiling cairo-sys-rs v0.16.3
[INFO] [stderr]    Compiling glib-macros v0.16.3
[INFO] [stderr]     Checking futures-executor v0.3.25
[INFO] [stderr]     Checking glib v0.16.3
[INFO] [stderr]     Checking cairo-rs v0.16.3
[INFO] [stderr]     Checking plt-cairo v0.1.0
[INFO] [stderr]     Checking plt v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `SubplotList` is never constructed
[INFO] [stdout]    --> src/figure.rs:178:8
[INFO] [stdout]     |
[INFO] [stdout] 178 | struct SubplotList<'a> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/figure.rs:122:42
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub fn subplots<'b>(&'b mut self) -> &mut Vec<Subplot<'a>>
[INFO] [stdout]     |                          --              ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is elided here
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          the lifetime is named 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: consistently use `'b`
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub fn subplots<'b>(&'b mut self) -> &'b mut Vec<Subplot<'a>>
[INFO] [stdout]     |                                           ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SubplotList` is never constructed
[INFO] [stdout]    --> src/figure.rs:178:8
[INFO] [stdout]     |
[INFO] [stdout] 178 | struct SubplotList<'a> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/figure.rs:122:42
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub fn subplots<'b>(&'b mut self) -> &mut Vec<Subplot<'a>>
[INFO] [stdout]     |                          --              ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is elided here
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          the lifetime is named 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: consistently use `'b`
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub fn subplots<'b>(&'b mut self) -> &'b mut Vec<Subplot<'a>>
[INFO] [stdout]     |                                           ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.35s
[INFO] running `Command { std: "docker" "inspect" "d35a33a5c78f67f50ad8d6187c585b61a0b72450c73f73f6afb3f425841f78f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d35a33a5c78f67f50ad8d6187c585b61a0b72450c73f73f6afb3f425841f78f2", kill_on_drop: false }`
[INFO] [stdout] d35a33a5c78f67f50ad8d6187c585b61a0b72450c73f73f6afb3f425841f78f2
