[INFO] fetching crate mathru 0.6.7... [INFO] checking mathru-0.6.7 against try#8a749131e7beb72f6edacefd2bdcbed3d67b2112 for pr-72331 [INFO] extracting crate mathru 0.6.7 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate mathru 0.6.7 on toolchain 8a749131e7beb72f6edacefd2bdcbed3d67b2112 [INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate mathru 0.6.7 [INFO] finished tweaking crates.io crate mathru 0.6.7 [INFO] tweaked toml for crates.io crate mathru 0.6.7 written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate crates.io crate mathru 0.6.7 already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 5d05a377ac00abfc1a861db515af5b339ab5db32c1298f20b0a1f6707a05a03f [INFO] running `"docker" "start" "-a" "5d05a377ac00abfc1a861db515af5b339ab5db32c1298f20b0a1f6707a05a03f"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling libc v0.2.65 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling pkg-config v0.3.17 [INFO] [stderr] Compiling cc v1.0.50 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling getrandom v0.1.13 [INFO] [stderr] Compiling syn v0.15.30 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling serde v1.0.90 [INFO] [stderr] Compiling proc-macro2 v1.0.10 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Compiling ryu v0.2.7 [INFO] [stderr] Checking nodrop v0.1.14 [INFO] [stderr] Checking itoa v0.4.3 [INFO] [stderr] Compiling num-complex v0.2.1 [INFO] [stderr] Compiling libm v0.1.4 [INFO] [stderr] Compiling rayon-core v1.6.1 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling palette v0.5.0 [INFO] [stderr] Checking lzw v0.10.0 [INFO] [stderr] Checking rawpointer v0.2.1 [INFO] [stderr] Checking color_quant v1.0.1 [INFO] [stderr] Compiling crossbeam-utils v0.7.0 [INFO] [stderr] Compiling crossbeam-epoch v0.8.0 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking matrixmultiply v0.2.3 [INFO] [stderr] Compiling proc-macro2 v0.4.27 [INFO] [stderr] Checking arrayvec v0.4.12 [INFO] [stderr] Checking crc32fast v1.2.0 [INFO] [stderr] Checking criterion-plot v0.4.0 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking deflate v0.7.20 [INFO] [stderr] Checking regex-automata v0.1.8 [INFO] [stderr] Checking jpeg-decoder v0.1.18 [INFO] [stderr] Checking stb_truetype v0.3.1 [INFO] [stderr] Checking gif v0.10.3 [INFO] [stderr] Compiling cmake v0.1.42 [INFO] [stderr] Checking generic-array v0.13.2 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling num-rational v0.2.3 [INFO] [stderr] Compiling num-iter v0.1.40 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling servo-fontconfig-sys v4.0.9 [INFO] [stderr] Compiling quote v0.6.11 [INFO] [stderr] Checking num_cpus v1.10.0 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking memmap v0.7.0 [INFO] [stderr] Checking dirs v1.0.5 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking png v0.15.3 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Compiling memoffset v0.5.3 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Checking crossbeam-queue v0.2.0 [INFO] [stderr] Checking csv-core v0.1.6 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking rand_xoshiro v0.3.1 [INFO] [stderr] Checking rand_os v0.2.2 [INFO] [stderr] Compiling servo-freetype-sys v4.0.5 [INFO] [stderr] Compiling expat-sys v2.1.6 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking freetype v0.4.1 [INFO] [stderr] Checking crossbeam-deque v0.7.2 [INFO] [stderr] Checking servo-fontconfig v0.4.0 [INFO] [stderr] Checking approx v0.3.2 [INFO] [stderr] Checking euclid v0.20.10 [INFO] [stderr] Checking ordered-float v1.0.2 [INFO] [stderr] Checking rusttype v0.8.2 [INFO] [stderr] Checking rayon v1.2.1 [INFO] [stderr] Checking chrono v0.4.11 [INFO] [stderr] Checking rand_distr v0.2.2 [INFO] [stderr] Checking alga v0.9.2 [INFO] [stderr] Checking image v0.22.5 [INFO] [stderr] Checking lyon_geom v0.14.1 [INFO] [stderr] Checking nalgebra v0.19.0 [INFO] [stderr] Checking lyon_path v0.14.0 [INFO] [stderr] Compiling serde_derive v1.0.90 [INFO] [stderr] Checking font-kit v0.4.0 [INFO] [stderr] Compiling palette_derive v0.5.0 [INFO] [stderr] Checking plotters v0.2.12 [INFO] [stderr] Checking bstr v0.2.8 [INFO] [stderr] Checking serde_json v1.0.39 [INFO] [stderr] Checking mathru v0.6.7 (/opt/rustwide/workdir) [INFO] [stderr] Checking csv v1.1.1 [INFO] [stderr] Checking tinytemplate v1.0.1 [INFO] [stderr] warning: struct is never constructed: `ImplicitFixedStepper` [INFO] [stderr] --> src/analysis/differential_equation/ordinary/fixed_stepper.rs:90:12 [INFO] [stderr] | [INFO] [stderr] 90 | pub struct ImplicitFixedStepper [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/analysis/differential_equation/ordinary/fixed_stepper.rs:108:12 [INFO] [stderr] | [INFO] [stderr] 108 | pub fn new(step_size: T) -> ImplicitFixedStepper [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `solve` [INFO] [stderr] --> src/analysis/differential_equation/ordinary/fixed_stepper.rs:120:12 [INFO] [stderr] | [INFO] [stderr] 120 | pub fn solve(self: &Self, prob: &F, method: &M) -> Result<(Vec, Vec>), ()> [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `get_step_size` [INFO] [stderr] --> src/analysis/differential_equation/ordinary/fixed_stepper.rs:160:12 [INFO] [stderr] | [INFO] [stderr] 160 | pub fn get_step_size(self: &Self) -> &T [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `set_step_size` [INFO] [stderr] --> src/analysis/differential_equation/ordinary/fixed_stepper.rs:165:12 [INFO] [stderr] | [INFO] [stderr] 165 | pub fn set_step_size(mut self: &mut Self, step_size: T) [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 5 warnings emitted [INFO] [stderr] [INFO] [stderr] Checking criterion v0.3.0 [INFO] [stderr] warning: struct is never constructed: `ImplicitFixedStepper` [INFO] [stderr] --> src/analysis/differential_equation/ordinary/fixed_stepper.rs:90:12 [INFO] [stderr] | [INFO] [stderr] 90 | pub struct ImplicitFixedStepper [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/analysis/differential_equation/ordinary/fixed_stepper.rs:108:12 [INFO] [stderr] | [INFO] [stderr] 108 | pub fn new(step_size: T) -> ImplicitFixedStepper [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `solve` [INFO] [stderr] --> src/analysis/differential_equation/ordinary/fixed_stepper.rs:120:12 [INFO] [stderr] | [INFO] [stderr] 120 | pub fn solve(self: &Self, prob: &F, method: &M) -> Result<(Vec, Vec>), ()> [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `get_step_size` [INFO] [stderr] --> src/analysis/differential_equation/ordinary/fixed_stepper.rs:160:12 [INFO] [stderr] | [INFO] [stderr] 160 | pub fn get_step_size(self: &Self) -> &T [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `set_step_size` [INFO] [stderr] --> src/analysis/differential_equation/ordinary/fixed_stepper.rs:165:12 [INFO] [stderr] | [INFO] [stderr] 165 | pub fn set_step_size(mut self: &mut Self, step_size: T) [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 5 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 32s [INFO] running `"docker" "inspect" "5d05a377ac00abfc1a861db515af5b339ab5db32c1298f20b0a1f6707a05a03f"` [INFO] running `"docker" "rm" "-f" "5d05a377ac00abfc1a861db515af5b339ab5db32c1298f20b0a1f6707a05a03f"` [INFO] [stdout] 5d05a377ac00abfc1a861db515af5b339ab5db32c1298f20b0a1f6707a05a03f