[INFO] fetching crate auto-diff 0.3.8...
[INFO] checking auto-diff-0.3.8 against beta for pr-78714
[INFO] extracting crate auto-diff 0.3.8 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate auto-diff 0.3.8 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate auto-diff 0.3.8
[INFO] finished tweaking crates.io crate auto-diff 0.3.8
[INFO] tweaked toml for crates.io crate auto-diff 0.3.8 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate auto-diff 0.3.8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded blas-src v0.2.1
[INFO] [stderr]   Downloaded lapacke v0.2.0
[INFO] [stderr]   Downloaded cblas-sys v0.1.4
[INFO] [stderr]   Downloaded cauchy v0.2.2
[INFO] [stderr]   Downloaded protobuf v2.17.0
[INFO] [stderr]   Downloaded openblas-src v0.9.0
[INFO] [stderr]   Downloaded ndarray-linalg v0.11.1
[INFO] [stderr]   Downloaded blas-src v0.3.0
[INFO] [stderr]   Downloaded tensor-rs v0.3.8
[INFO] [stderr]   Downloaded lapacke-sys v0.1.4
[INFO] [stderr]   Downloaded tensorboard-rs v0.2.4
[INFO] [stderr]   Downloaded lapack-src v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e92867bd73c58c3f92ead3e98cc9447e2c76e313c8aa98c703590ec043bfe457
[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" "e92867bd73c58c3f92ead3e98cc9447e2c76e313c8aa98c703590ec043bfe457", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e92867bd73c58c3f92ead3e98cc9447e2c76e313c8aa98c703590ec043bfe457", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e92867bd73c58c3f92ead3e98cc9447e2c76e313c8aa98c703590ec043bfe457", kill_on_drop: false }`
[INFO] [stdout] e92867bd73c58c3f92ead3e98cc9447e2c76e313c8aa98c703590ec043bfe457
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb5df3765077f101f92fcd0cd88323c035fe9cc088f868ba5423eb606654fa00
[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" "cb5df3765077f101f92fcd0cd88323c035fe9cc088f868ba5423eb606654fa00", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]     Checking either v1.6.0
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]     Checking blas-src v0.2.1
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]     Checking lapack-src v0.3.0
[INFO] [stderr]     Checking blas-src v0.3.0
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]    Compiling protobuf v2.17.0
[INFO] [stderr]     Checking bytemuck v1.3.1
[INFO] [stderr]    Compiling openblas-src v0.9.0
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking lapacke-sys v0.1.4
[INFO] [stderr]     Checking cblas-sys v0.1.4
[INFO] [stderr]     Checking gethostname v0.2.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]     Checking rayon-core v1.7.1
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking rayon v1.3.1
[INFO] [stderr]     Checking png v0.16.7
[INFO] [stderr]     Checking tiff v0.5.0
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking plotters v0.2.15
[INFO] [stderr]     Checking jpeg-decoder v0.1.20
[INFO] [stderr]     Checking image v0.23.8
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking lapacke v0.2.0
[INFO] [stderr]     Checking cauchy v0.2.2
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]     Checking tinytemplate v1.1.0
[INFO] [stderr]     Checking tensorboard-rs v0.2.4
[INFO] [stderr]     Checking ndarray-linalg v0.11.1
[INFO] [stderr]     Checking tensor-rs v0.3.8
[INFO] [stderr]     Checking auto-diff v0.3.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `cmd`
[INFO] [stdout]    --> src/var.rs:134:5
[INFO] [stdout]     |
[INFO] [stdout] 134 |     cmd: VarCmd,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking criterion v0.3.3
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "cb5df3765077f101f92fcd0cd88323c035fe9cc088f868ba5423eb606654fa00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb5df3765077f101f92fcd0cd88323c035fe9cc088f868ba5423eb606654fa00", kill_on_drop: false }`
[INFO] [stdout] cb5df3765077f101f92fcd0cd88323c035fe9cc088f868ba5423eb606654fa00