[INFO] fetching crate peroxide 0.25.2...
[INFO] checking peroxide-0.25.2 against master#7b3a7819371cef92a187e9bac8f7810ccde15216 for pr-74846
[INFO] extracting crate peroxide 0.25.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate peroxide 0.25.2 on toolchain 7b3a7819371cef92a187e9bac8f7810ccde15216
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate peroxide 0.25.2
[INFO] finished tweaking crates.io crate peroxide 0.25.2
[INFO] tweaked toml for crates.io crate peroxide 0.25.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate peroxide 0.25.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b61ea82540fb62d5e311768e76c0026a4f135179e2d98e5670171e7b30e0893
[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" "9b61ea82540fb62d5e311768e76c0026a4f135179e2d98e5670171e7b30e0893", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b61ea82540fb62d5e311768e76c0026a4f135179e2d98e5670171e7b30e0893", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b61ea82540fb62d5e311768e76c0026a4f135179e2d98e5670171e7b30e0893", kill_on_drop: false }`
[INFO] [stdout] 9b61ea82540fb62d5e311768e76c0026a4f135179e2d98e5670171e7b30e0893
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2749d34dc5fa3d3974e611c39883f0fb3008d4cd13e01508ec6df65105379a9e
[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" "2749d34dc5fa3d3974e611c39883f0fb3008d4cd13e01508ec6df65105379a9e", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling peroxide v0.25.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling peroxide-ad v0.1.2
[INFO] [stderr]     Checking order-stat v0.1.3
[INFO] [stderr]     Checking puruspe v0.1.3
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stdout] warning: unused imports: `InnerProduct`, `Norm`, `Normed`, `Vector`
[INFO] [stdout]  --> src/structure/sparse.rs:6:27
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::traits::math::{InnerProduct, LinearOp, Norm, Normed, Vector};
[INFO] [stdout]   |                           ^^^^^^^^^^^^            ^^^^  ^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `InnerProduct`, `Norm`, `Normed`, `Vector`
[INFO] [stdout]  --> src/structure/sparse.rs:6:27
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::traits::math::{InnerProduct, LinearOp, Norm, Normed, Vector};
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.86s
[INFO] running `Command { std: "docker" "inspect" "2749d34dc5fa3d3974e611c39883f0fb3008d4cd13e01508ec6df65105379a9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2749d34dc5fa3d3974e611c39883f0fb3008d4cd13e01508ec6df65105379a9e", kill_on_drop: false }`
[INFO] [stdout] 2749d34dc5fa3d3974e611c39883f0fb3008d4cd13e01508ec6df65105379a9e