[INFO] cloning repository https://github.com/slysherz/polar-send-training
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/slysherz/polar-send-training" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslysherz%2Fpolar-send-training", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslysherz%2Fpolar-send-training'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b58435a8da9569312c8f20cbbf190f81d3e997b7
[INFO] checking slysherz/polar-send-training against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslysherz%2Fpolar-send-training" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/slysherz/polar-send-training 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 git repo https://github.com/slysherz/polar-send-training
[INFO] finished tweaking git repo https://github.com/slysherz/polar-send-training
[INFO] tweaked toml for git repo https://github.com/slysherz/polar-send-training written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/slysherz/polar-send-training 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 163603e47da4a0227950e0f971a040957ab36b0c4934f5ea47ffb15786c98087
[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" "163603e47da4a0227950e0f971a040957ab36b0c4934f5ea47ffb15786c98087", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "163603e47da4a0227950e0f971a040957ab36b0c4934f5ea47ffb15786c98087", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "163603e47da4a0227950e0f971a040957ab36b0c4934f5ea47ffb15786c98087", kill_on_drop: false }`
[INFO] [stdout] 163603e47da4a0227950e0f971a040957ab36b0c4934f5ea47ffb15786c98087
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 10a77e89adb5e71e6ca02589e07fb738c1052d47f8d2ab549f09afa52748e2c5
[INFO] running `Command { std: "docker" "start" "-a" "10a77e89adb5e71e6ca02589e07fb738c1052d47f8d2ab549f09afa52748e2c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.15
[INFO] [stderr]    Compiling rle-decode-fast v1.0.1
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]     Checking bit-vec v0.5.1
[INFO] [stderr]    Compiling polar-prost v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling nfd v0.0.4 (https://github.com/saurvs/nfd-rs.git#07578c5f)
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]    Compiling filetime v0.2.8
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]    Compiling libflate v0.1.27
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling tar v0.4.26
[INFO] [stderr]     Checking bit-set v0.5.1
[INFO] [stderr]    Compiling backtrace v0.3.33
[INFO] [stderr]    Compiling libusb1-sys v0.3.1
[INFO] [stderr]     Checking chrono v0.4.7
[INFO] [stderr]     Checking rusb v0.5.2
[INFO] [stderr]     Checking simplelog v0.7.4
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling prost-derive v0.5.0
[INFO] [stderr]     Checking prost v0.5.0
[INFO] [stderr]     Checking polar-send-training v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.62s
[INFO] running `Command { std: "docker" "inspect" "10a77e89adb5e71e6ca02589e07fb738c1052d47f8d2ab549f09afa52748e2c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10a77e89adb5e71e6ca02589e07fb738c1052d47f8d2ab549f09afa52748e2c5", kill_on_drop: false }`
[INFO] [stdout] 10a77e89adb5e71e6ca02589e07fb738c1052d47f8d2ab549f09afa52748e2c5