[INFO] fetching crate peroxide 0.30.6...
[INFO] checking peroxide-0.30.6 against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] extracting crate peroxide 0.30.6 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate peroxide 0.30.6 on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate peroxide 0.30.6
[INFO] finished tweaking crates.io crate peroxide 0.30.6
[INFO] tweaked toml for crates.io crate peroxide 0.30.6 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate peroxide 0.30.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f77a681f45ffbc9cbea4a07d94d15047896b60ca818f7b7508518880740fe281
[INFO] running `Command { std: "docker" "start" "-a" "f77a681f45ffbc9cbea4a07d94d15047896b60ca818f7b7508518880740fe281", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f77a681f45ffbc9cbea4a07d94d15047896b60ca818f7b7508518880740fe281", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f77a681f45ffbc9cbea4a07d94d15047896b60ca818f7b7508518880740fe281", kill_on_drop: false }`
[INFO] [stdout] f77a681f45ffbc9cbea4a07d94d15047896b60ca818f7b7508518880740fe281
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ffae68df092f1135c51470450c7863ec0782a455514592c3f46cbc37c7bb9392
[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" "ffae68df092f1135c51470450c7863ec0782a455514592c3f46cbc37c7bb9392", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.92
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling syn v1.0.67
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling peroxide v0.30.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking order-stat v0.1.3
[INFO] [stderr]     Checking puruspe v0.1.5
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking thread-tree v0.3.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking matrixmultiply v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking rand_distr v0.4.0
[INFO] [stderr]    Compiling peroxide-ad v0.3.0
[INFO] [stdout] warning: unused import: `crate::structure::dataframe`
[INFO] [stdout]    --> src/statistics/stat.rs:112:5
[INFO] [stdout]     |
[INFO] [stdout] 112 | use crate::structure::dataframe::*;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::structure::dataframe`
[INFO] [stdout]    --> src/statistics/stat.rs:112:5
[INFO] [stdout]     |
[INFO] [stdout] 112 | use crate::structure::dataframe::*;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x0`
[INFO] [stdout]  --> examples/hessian.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let x0 = AD2(1f64, 0f64, 0f64);
[INFO] [stdout]   |         ^^ help: if this is intentional, prefix it with an underscore: `_x0`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y0`
[INFO] [stdout]  --> examples/hessian.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let y0 = AD2(1f64, 0f64, 0f64);
[INFO] [stdout]   |         ^^ help: if this is intentional, prefix it with an underscore: `_y0`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `c` is never read
[INFO] [stdout]  --> examples/chebyshev.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut c = chebyshev_polynomial(0, SpecialKind::First);
[INFO] [stdout]   |             ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.16s
[INFO] running `Command { std: "docker" "inspect" "ffae68df092f1135c51470450c7863ec0782a455514592c3f46cbc37c7bb9392", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffae68df092f1135c51470450c7863ec0782a455514592c3f46cbc37c7bb9392", kill_on_drop: false }`
[INFO] [stdout] ffae68df092f1135c51470450c7863ec0782a455514592c3f46cbc37c7bb9392