[INFO] cloning repository https://github.com/rugg2/rust-classifier-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rugg2/rust-classifier-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frugg2%2Frust-classifier-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frugg2%2Frust-classifier-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e3aaaf79212d7706db4dc1065552f282c3dd8b65
[INFO] checking rugg2/rust-classifier-example against master#8f359beca4e58bc3ae795a666301a8f47023044c for pr-121557
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frugg2%2Frust-classifier-example" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rugg2/rust-classifier-example on toolchain 8f359beca4e58bc3ae795a666301a8f47023044c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f359beca4e58bc3ae795a666301a8f47023044c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rugg2/rust-classifier-example
[INFO] finished tweaking git repo https://github.com/rugg2/rust-classifier-example
[INFO] tweaked toml for git repo https://github.com/rugg2/rust-classifier-example written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/rugg2/rust-classifier-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f359beca4e58bc3ae795a666301a8f47023044c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking rugg2/rust-classifier-example against try#80d5fe37e16a0befb4128414cb6a11d544788c0a for pr-121557
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frugg2%2Frust-classifier-example" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rugg2/rust-classifier-example on toolchain 80d5fe37e16a0befb4128414cb6a11d544788c0a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80d5fe37e16a0befb4128414cb6a11d544788c0a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rugg2/rust-classifier-example
[INFO] finished tweaking git repo https://github.com/rugg2/rust-classifier-example
[INFO] tweaked toml for git repo https://github.com/rugg2/rust-classifier-example written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/rugg2/rust-classifier-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80d5fe37e16a0befb4128414cb6a11d544788c0a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded plotlib v0.5.1
[INFO] [stderr]   Downloaded blas-src v0.6.1
[INFO] [stderr]   Downloaded cauchy v0.2.2
[INFO] [stderr]   Downloaded blas-src v0.2.1
[INFO] [stderr]   Downloaded lapack-src v0.6.0
[INFO] [stderr]   Downloaded cblas-sys v0.1.4
[INFO] [stderr]   Downloaded ndarray-csv v0.4.1
[INFO] [stderr]   Downloaded linfa-logistic v0.3.1
[INFO] [stderr]   Downloaded svg v0.7.2
[INFO] [stderr]   Downloaded ndarray-rand v0.11.0
[INFO] [stderr]   Downloaded lapacke-sys v0.1.4
[INFO] [stderr]   Downloaded lapacke v0.2.0
[INFO] [stderr]   Downloaded ndarray-linalg v0.12.1
[INFO] [stderr]   Downloaded argmin v0.3.1
[INFO] [stderr]   Downloaded linfa v0.3.1
[INFO] [stderr]   Downloaded openblas-src v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80d5fe37e16a0befb4128414cb6a11d544788c0a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a3547fac620d16c855d63f9b5961da054ce2fa5f91788682b843abda7d400ff7
[INFO] running `Command { std: "docker" "start" "-a" "a3547fac620d16c855d63f9b5961da054ce2fa5f91788682b843abda7d400ff7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3547fac620d16c855d63f9b5961da054ce2fa5f91788682b843abda7d400ff7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3547fac620d16c855d63f9b5961da054ce2fa5f91788682b843abda7d400ff7", kill_on_drop: false }`
[INFO] [stdout] a3547fac620d16c855d63f9b5961da054ce2fa5f91788682b843abda7d400ff7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80d5fe37e16a0befb4128414cb6a11d544788c0a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f28411f4d803cd69188b0f15ddb1a5ed69f111820e24bc106d03cc267d99382a
[INFO] running `Command { std: "docker" "start" "-a" "f28411f4d803cd69188b0f15ddb1a5ed69f111820e24bc106d03cc267d99382a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]     Checking blas-src v0.2.1
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking matrixmultiply v0.2.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking lapack-src v0.6.0
[INFO] [stderr]     Checking gimli v0.24.0
[INFO] [stderr]    Compiling openblas-src v0.9.0
[INFO] [stderr]    Compiling anyhow v1.0.41
[INFO] [stderr]     Checking blas-src v0.6.1
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking rustc-demangle v0.1.20
[INFO] [stderr]     Checking svg v0.7.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking object v0.25.3
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking slog-async v2.6.0
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking cblas-sys v0.1.4
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking lapacke-sys v0.1.4
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling backtrace v0.3.60
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking addr2line v0.15.2
[INFO] [stderr]     Checking slog-term v2.8.0
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking plotlib v0.5.1
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking lapacke v0.2.0
[INFO] [stderr]     Checking cauchy v0.2.2
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking slog-json v2.3.0
[INFO] [stderr]     Checking ndarray-linalg v0.12.1
[INFO] [stderr]     Checking ndarray-rand v0.11.0
[INFO] [stderr]     Checking ndarray-csv v0.4.1
[INFO] [stderr]     Checking linfa v0.3.1
[INFO] [stderr]     Checking argmin v0.3.1
[INFO] [stderr]     Checking linfa-logistic v0.3.1
[INFO] [stderr]     Checking logistic_regression_linfa v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.51s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: argmin v0.3.1, svg v0.7.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "f28411f4d803cd69188b0f15ddb1a5ed69f111820e24bc106d03cc267d99382a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f28411f4d803cd69188b0f15ddb1a5ed69f111820e24bc106d03cc267d99382a", kill_on_drop: false }`
[INFO] [stdout] f28411f4d803cd69188b0f15ddb1a5ed69f111820e24bc106d03cc267d99382a