[INFO] fetching crate linregress 0.4.0...
[INFO] checking linregress-0.4.0 against beta for pr-78714
[INFO] extracting crate linregress 0.4.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate linregress 0.4.0 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 linregress 0.4.0
[INFO] finished tweaking crates.io crate linregress 0.4.0
[INFO] tweaked toml for crates.io crate linregress 0.4.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 1daef7a87cf122a7ce6791457bd6844c63dd5f019f39c885bf7141e4f05e39fd
[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" "1daef7a87cf122a7ce6791457bd6844c63dd5f019f39c885bf7141e4f05e39fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1daef7a87cf122a7ce6791457bd6844c63dd5f019f39c885bf7141e4f05e39fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1daef7a87cf122a7ce6791457bd6844c63dd5f019f39c885bf7141e4f05e39fd", kill_on_drop: false }`
[INFO] [stdout] 1daef7a87cf122a7ce6791457bd6844c63dd5f019f39c885bf7141e4f05e39fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 551d21edbf6882874c136f8f9fb32eec187ed12c777bf976e9aa0404b0677715
[INFO] running `Command { std: "docker" "start" "-a" "551d21edbf6882874c136f8f9fb32eec187ed12c777bf976e9aa0404b0677715", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling stdtr-sys v0.1.0
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]    Compiling quickcheck_macros v0.8.0
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking statrs v0.12.0
[INFO] [stderr]     Checking quickcheck v0.8.5
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]     Checking simba v0.1.5
[INFO] [stderr]     Checking nalgebra v0.21.1
[INFO] [stderr]     Checking stdtr v0.1.0
[INFO] [stderr]     Checking linregress v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.02s
[INFO] running `Command { std: "docker" "inspect" "551d21edbf6882874c136f8f9fb32eec187ed12c777bf976e9aa0404b0677715", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "551d21edbf6882874c136f8f9fb32eec187ed12c777bf976e9aa0404b0677715", kill_on_drop: false }`
[INFO] [stdout] 551d21edbf6882874c136f8f9fb32eec187ed12c777bf976e9aa0404b0677715