[INFO] fetching crate mathr 0.1.7...
[INFO] checking mathr-0.1.7 against eca445e5ae4a6679cc27d3a09106ce245e13a5a6 for pr-162478
[INFO] extracting crate mathr 0.1.7 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate mathr 0.1.7
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate mathr 0.1.7
[INFO] tweaked toml for crates.io crate mathr 0.1.7 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mathr 0.1.7 on toolchain eca445e5ae4a6679cc27d3a09106ce245e13a5a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mathr 0.1.7 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" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]    --> Cargo.toml:145:1
[INFO] [stderr]     |
[INFO] [stderr] 145 | readme = "README.md"
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]    --> Cargo.toml:141:12
[INFO] [stderr]     |
[INFO] [stderr] 141 | homepage = "https://github.com/yingkitw/mathr"
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 146 | repository = "https://github.com/yingkitw/mathr"
[INFO] [stderr]     |              -----------------------------------
[INFO] [stderr]     |
[INFO] [stderr]     = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `mathr` (manifest) generated 2 warnings
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded font-kit v0.14.3
[INFO] [stderr]   Downloaded libredox v0.1.21
[INFO] [stderr]   Downloaded error-code v3.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] ce97521a510ac69da565c1009b971ce6bf6eed088af55dee4141fecb1b81910a
[INFO] running `Command { std: "docker" "start" "ce97521a510ac69da565c1009b971ce6bf6eed088af55dee4141fecb1b81910a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce97521a510ac69da565c1009b971ce6bf6eed088af55dee4141fecb1b81910a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ce97521a510ac69da565c1009b971ce6bf6eed088af55dee4141fecb1b81910a" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce97521a510ac69da565c1009b971ce6bf6eed088af55dee4141fecb1b81910a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ce97521a510ac69da565c1009b971ce6bf6eed088af55dee4141fecb1b81910a" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]    --> Cargo.toml:145:1
[INFO] [stderr]     |
[INFO] [stderr] 145 | readme = "README.md"
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]    --> Cargo.toml:141:12
[INFO] [stderr]     |
[INFO] [stderr] 141 | homepage = "https://github.com/yingkitw/mathr"
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 146 | repository = "https://github.com/yingkitw/mathr"
[INFO] [stderr]     |              -----------------------------------
[INFO] [stderr]     |
[INFO] [stderr]     = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `mathr` (manifest) generated 2 warnings
[INFO] [stderr]    Compiling crc32fast v1.5.1
[INFO] [stderr]     Checking miniz_oxide v0.9.1
[INFO] [stderr]    Compiling yeslogic-fontconfig-sys v6.0.1
[INFO] [stderr]    Compiling freetype-sys v0.20.1
[INFO] [stderr]     Checking bytemuck v1.25.2
[INFO] [stderr]     Checking dirs-sys v0.5.0
[INFO] [stderr]    Compiling nix v0.28.0
[INFO] [stderr]    Compiling font-kit v0.14.3
[INFO] [stderr]    Compiling syn v3.0.4
[INFO] [stderr]     Checking pathfinder_simd v0.5.6
[INFO] [stderr]     Checking gif v0.12.0
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]     Checking num-integer v0.1.47
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]    Compiling bigdecimal v0.4.10
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking chrono v0.4.45
[INFO] [stderr]     Checking num-bigint v0.4.8
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking fd-lock v4.0.4
[INFO] [stderr]     Checking dirs v6.0.0
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking pathfinder_geometry v0.5.1
[INFO] [stderr]     Checking flate2 v1.1.10
[INFO] [stderr]     Checking png v0.17.16
[INFO] [stderr]     Checking image v0.24.9
[INFO] [stderr]    Compiling rustyline-derive v0.10.0
[INFO] [stderr]     Checking rustyline v14.0.0
[INFO] [stderr]     Checking plotters-bitmap v0.3.7
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]    Compiling clap_derive v4.6.4
[INFO] [stderr]    Compiling thiserror-impl v2.0.20
[INFO] [stderr]     Checking thiserror v2.0.20
[INFO] [stderr]     Checking clap v4.6.6
[INFO] [stderr]     Checking mathr v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `NotebookCell`
[INFO] [stdout]   --> tests/integration.rs:10:33
[INFO] [stdout]    |
[INFO] [stdout] 10 | use mathr::notebook::{Notebook, NotebookCell};
[INFO] [stdout]    |                                 ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `binomial_C_function_eval` should have a snake case name
[INFO] [stdout]     --> tests/integration.rs:1954:4
[INFO] [stdout]      |
[INFO] [stdout] 1954 | fn binomial_C_function_eval() {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `binomial_c_function_eval`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rel_close` is never used
[INFO] [stdout]    --> src/special.rs:315:8
[INFO] [stdout]     |
[INFO] [stdout] 315 |     fn rel_close(a: f64, b: f64, tol: f64) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.22s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nix v0.28.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 8`
[INFO] running `Command { std: "docker" "inspect" "ce97521a510ac69da565c1009b971ce6bf6eed088af55dee4141fecb1b81910a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce97521a510ac69da565c1009b971ce6bf6eed088af55dee4141fecb1b81910a", kill_on_drop: false }`
[INFO] [stdout] ce97521a510ac69da565c1009b971ce6bf6eed088af55dee4141fecb1b81910a
