[INFO] cloning repository https://github.com/arthurguedes375/machine-learning
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arthurguedes375/machine-learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farthurguedes375%2Fmachine-learning", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farthurguedes375%2Fmachine-learning'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 51a0ae4cbd42e59a68d432a42fe89593e7d3a33c
[INFO] checking arthurguedes375/machine-learning against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farthurguedes375%2Fmachine-learning" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/arthurguedes375/machine-learning
[INFO] finished tweaking git repo https://github.com/arthurguedes375/machine-learning
[INFO] tweaked toml for git repo https://github.com/arthurguedes375/machine-learning written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/arthurguedes375/machine-learning on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/arthurguedes375/machine-learning 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2127eac5b5f80e5552a3a009439d87303f8e95987817d7731af93c1b63c4201
[INFO] running `Command { std: "docker" "start" "-a" "c2127eac5b5f80e5552a3a009439d87303f8e95987817d7731af93c1b63c4201", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2127eac5b5f80e5552a3a009439d87303f8e95987817d7731af93c1b63c4201", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2127eac5b5f80e5552a3a009439d87303f8e95987817d7731af93c1b63c4201", kill_on_drop: false }`
[INFO] [stdout] c2127eac5b5f80e5552a3a009439d87303f8e95987817d7731af93c1b63c4201
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64d1e9ef4e9a4170ae0295a59f28c8f1be767c83f3d619a754f8ecb8d90ccc2f
[INFO] running `Command { std: "docker" "start" "-a" "64d1e9ef4e9a4170ae0295a59f28c8f1be767c83f3d619a754f8ecb8d90ccc2f", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling proc-macro2 v1.0.38
[INFO] [stderr]     Checking bytemuck v1.9.1
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling syn v1.0.92
[INFO] [stderr]    Compiling paste v1.0.7
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking matrixmultiply v0.3.2
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking safe_arch v0.6.0
[INFO] [stderr]     Checking wide v0.7.4
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking num-integer v0.1.45
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking num-complex v0.4.1
[INFO] [stderr]     Checking num-rational v0.4.0
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking nix v0.24.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking simba v0.7.1
[INFO] [stderr]     Checking ctrlc v3.2.2
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]    Compiling nalgebra-macros v0.1.0
[INFO] [stderr]     Checking nalgebra v0.30.1
[INFO] [stderr]     Checking gradient_descent v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.95s
[INFO] running `Command { std: "docker" "inspect" "64d1e9ef4e9a4170ae0295a59f28c8f1be767c83f3d619a754f8ecb8d90ccc2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64d1e9ef4e9a4170ae0295a59f28c8f1be767c83f3d619a754f8ecb8d90ccc2f", kill_on_drop: false }`
[INFO] [stdout] 64d1e9ef4e9a4170ae0295a59f28c8f1be767c83f3d619a754f8ecb8d90ccc2f