[INFO] cloning repository https://github.com/neilgall/lightshow
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/neilgall/lightshow" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneilgall%2Flightshow", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneilgall%2Flightshow'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1d2f8c3c0878181f4a3eafade1d5767c31e7de16
[INFO] checking neilgall/lightshow against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneilgall%2Flightshow" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/neilgall/lightshow on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-9/source/.cargo/config
[INFO] started tweaking git repo https://github.com/neilgall/lightshow
[INFO] finished tweaking git repo https://github.com/neilgall/lightshow
[INFO] tweaked toml for git repo https://github.com/neilgall/lightshow written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/neilgall/lightshow 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7fa2720e5f7f8670ec8515653be3adbc81e98a8cfb86c06d137d89a27fef49b9
[INFO] running `Command { std: "docker" "start" "-a" "7fa2720e5f7f8670ec8515653be3adbc81e98a8cfb86c06d137d89a27fef49b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7fa2720e5f7f8670ec8515653be3adbc81e98a8cfb86c06d137d89a27fef49b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fa2720e5f7f8670ec8515653be3adbc81e98a8cfb86c06d137d89a27fef49b9", kill_on_drop: false }`
[INFO] [stdout] 7fa2720e5f7f8670ec8515653be3adbc81e98a8cfb86c06d137d89a27fef49b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stdout] 5930dfaf2d9e055e9896e47911bcbe02fe03b4c4eac0f341feed9719c6d6737c
[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" "5930dfaf2d9e055e9896e47911bcbe02fe03b4c4eac0f341feed9719c6d6737c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.23
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking nix v0.6.0
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking lexical-core v0.6.7
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking serde-hjson v0.9.1
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking backtrace v0.3.41
[INFO] [stderr]     Checking spidev v0.3.0
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking rustpi_io v0.1.0
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking nom v5.1.1
[INFO] [stderr]     Checking sct v0.5.0
[INFO] [stderr]     Checking webpki v0.19.1
[INFO] [stderr]     Checking rustls v0.15.2
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]     Checking config v0.10.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]     Checking tokio-rustls v0.9.4
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking mqtt311 v0.2.0
[INFO] [stderr]     Checking jsonwebtoken v6.0.1
[INFO] [stderr]     Checking rumqtt v0.31.0
[INFO] [stderr]     Checking lightshow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.95s
[INFO] running `Command { std: "docker" "inspect" "5930dfaf2d9e055e9896e47911bcbe02fe03b4c4eac0f341feed9719c6d6737c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5930dfaf2d9e055e9896e47911bcbe02fe03b4c4eac0f341feed9719c6d6737c", kill_on_drop: false }`
[INFO] [stdout] 5930dfaf2d9e055e9896e47911bcbe02fe03b4c4eac0f341feed9719c6d6737c