[INFO] fetching crate auto-diff 0.3.8...
[INFO] checking auto-diff-0.3.8 against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789
[INFO] extracting crate auto-diff 0.3.8 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate auto-diff 0.3.8 on toolchain 7b3565da729099dbe807466fcd118fb2815986e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-3/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" "+7b3565da729099dbe807466fcd118fb2815986e0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cauchy v0.2.2
[INFO] [stderr]   Downloaded blas-src v0.3.0
[INFO] [stderr]   Downloaded lapack-src v0.3.0
[INFO] [stderr]   Downloaded openblas-src v0.9.0
[INFO] [stderr]   Downloaded ndarray-linalg v0.11.1
[INFO] [stderr]   Downloaded tensor-rs v0.3.8
[INFO] [stderr]   Downloaded tensorboard-rs v0.2.4
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "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] 7f19cc7e0fff75f40091a23927cd9a3043d3a522a987a01e181981c3d2af2e5d
[INFO] running `Command { std: "docker" "start" "-a" "7f19cc7e0fff75f40091a23927cd9a3043d3a522a987a01e181981c3d2af2e5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f19cc7e0fff75f40091a23927cd9a3043d3a522a987a01e181981c3d2af2e5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f19cc7e0fff75f40091a23927cd9a3043d3a522a987a01e181981c3d2af2e5d", kill_on_drop: false }`
[INFO] [stdout] 7f19cc7e0fff75f40091a23927cd9a3043d3a522a987a01e181981c3d2af2e5d
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f2dfb72d9b716110923f982c5fbd668942841f2161c811334378f69769248b9
[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" "3f2dfb72d9b716110923f982c5fbd668942841f2161c811334378f69769248b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]     Checking either v1.6.0
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking blas-src v0.2.1
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking lapack-src v0.3.0
[INFO] [stderr]     Checking blas-src v0.3.0
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling protobuf v2.17.0
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]     Checking bytemuck v1.3.1
[INFO] [stderr]    Compiling openblas-src v0.9.0
[INFO] [stderr]     Checking oorandom v11.1.2
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking tiff v0.5.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]     Checking png v0.16.7
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking lapacke-sys v0.1.4
[INFO] [stderr]     Checking cblas-sys v0.1.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking gethostname v0.2.1
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking plotters v0.2.15
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.20
[INFO] [stderr]     Checking cauchy v0.2.2
[INFO] [stderr]     Checking lapacke v0.2.0
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking image v0.23.8
[INFO] [stderr]     Checking tinytemplate v1.1.0
[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] [stderr]     Checking tensorboard-rs v0.2.4
[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" "3f2dfb72d9b716110923f982c5fbd668942841f2161c811334378f69769248b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f2dfb72d9b716110923f982c5fbd668942841f2161c811334378f69769248b9", kill_on_drop: false }`
[INFO] [stdout] 3f2dfb72d9b716110923f982c5fbd668942841f2161c811334378f69769248b9