[INFO] fetching crate newton_rootfinder 0.5.0...
[INFO] checking newton_rootfinder-0.5.0 against master#119d2a1a98fe87d4ae6cabf12134a0ef2fb95851 for pr-75180
[INFO] extracting crate newton_rootfinder 0.5.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate newton_rootfinder 0.5.0 on toolchain 119d2a1a98fe87d4ae6cabf12134a0ef2fb95851
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate newton_rootfinder 0.5.0
[INFO] finished tweaking crates.io crate newton_rootfinder 0.5.0
[INFO] tweaked toml for crates.io crate newton_rootfinder 0.5.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate newton_rootfinder 0.5.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d922b8e3f45a5bf732960b31ce7689a5b99b667ebdbc91458729d6ff89087aea
[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" "d922b8e3f45a5bf732960b31ce7689a5b99b667ebdbc91458729d6ff89087aea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d922b8e3f45a5bf732960b31ce7689a5b99b667ebdbc91458729d6ff89087aea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d922b8e3f45a5bf732960b31ce7689a5b99b667ebdbc91458729d6ff89087aea", kill_on_drop: false }`
[INFO] [stdout] d922b8e3f45a5bf732960b31ce7689a5b99b667ebdbc91458729d6ff89087aea
[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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12bc5b40bc0e9cffa9e08d3113150e86f53fae9919b886f03a7a4e5c693f861c
[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" "12bc5b40bc0e9cffa9e08d3113150e86f53fae9919b886f03a7a4e5c693f861c", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking whoami v0.8.2
[INFO] [stderr]     Checking oorandom v11.1.1
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[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-complex v0.2.4
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[INFO] [stderr]     Checking clap v2.33.1
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[INFO] [stderr]     Checking serde_json v1.0.53
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[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking crossbeam-queue v0.2.2
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[INFO] [stderr]    Compiling paste-impl v0.1.16
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]     Checking paste v0.1.16
[INFO] [stderr]     Checking simba v0.1.2
[INFO] [stderr]     Checking nalgebra v0.21.1
[INFO] [stderr]     Checking criterion v0.3.2
[INFO] [stderr]     Checking newton_rootfinder v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `black_box`
[INFO] [stdout]   --> benches/broyden_case8.rs:21:17
[INFO] [stdout]    |
[INFO] [stdout] 21 | use criterion::{black_box, criterion_group, criterion_main, Criterion};
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 20s
[INFO] running `Command { std: "docker" "inspect" "12bc5b40bc0e9cffa9e08d3113150e86f53fae9919b886f03a7a4e5c693f861c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12bc5b40bc0e9cffa9e08d3113150e86f53fae9919b886f03a7a4e5c693f861c", kill_on_drop: false }`
[INFO] [stdout] 12bc5b40bc0e9cffa9e08d3113150e86f53fae9919b886f03a7a4e5c693f861c