[INFO] cloning repository https://github.com/frugalos/watarikani
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/frugalos/watarikani" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrugalos%2Fwatarikani", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrugalos%2Fwatarikani'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 412b72840ae182780fc0cbe53477c17f02a5d1a5
[INFO] checking frugalos/watarikani against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrugalos%2Fwatarikani" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/frugalos/watarikani 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/frugalos/watarikani
[INFO] finished tweaking git repo https://github.com/frugalos/watarikani
[INFO] tweaked toml for git repo https://github.com/frugalos/watarikani written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/frugalos/watarikani 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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 8f9d00d73f3fce1c6480cc339ab054bb9d84da5d29e4c93eeffec82ed47cff0b
[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" "8f9d00d73f3fce1c6480cc339ab054bb9d84da5d29e4c93eeffec82ed47cff0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f9d00d73f3fce1c6480cc339ab054bb9d84da5d29e4c93eeffec82ed47cff0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f9d00d73f3fce1c6480cc339ab054bb9d84da5d29e4c93eeffec82ed47cff0b", kill_on_drop: false }`
[INFO] [stdout] 8f9d00d73f3fce1c6480cc339ab054bb9d84da5d29e4c93eeffec82ed47cff0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] ec61f64d0283c6cd98d21099b4d823631b9303f1a0374f6a60a40e0c4783a37e
[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" "ec61f64d0283c6cd98d21099b4d823631b9303f1a0374f6a60a40e0c4783a37e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]     Checking nom v2.2.1
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]     Checking atomic_immut v0.1.4
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]     Checking slab v0.4.1
[INFO] [stderr]     Checking splay_tree v0.2.10
[INFO] [stderr]     Checking nbchan v0.1.3
[INFO] [stderr]    Compiling slog v2.4.1
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]     Checking futures v0.1.25
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]     Checking factory v0.1.1
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking num_cpus v1.9.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]    Compiling procinfo v0.4.2
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]     Checking uuid v0.7.1
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]     Checking fibers v0.1.12
[INFO] [stderr]    Compiling trackable_derive v0.1.1
[INFO] [stderr]    Compiling structopt-derive v0.2.14
[INFO] [stderr]     Checking trackable v0.2.20
[INFO] [stderr]     Checking bytecodec v0.4.11
[INFO] [stderr]     Checking structopt v0.2.14
[INFO] [stderr]     Checking prometrics v0.1.11
[INFO] [stderr]     Checking tasque v0.1.4
[INFO] [stderr]     Checking cannyls v0.10.0
[INFO] [stderr]     Checking fibers_tasque v0.1.1
[INFO] [stderr]     Checking protobuf_codec v0.2.6
[INFO] [stderr]     Checking fibers_rpc v0.2.17
[INFO] [stderr]     Checking cannyls_rpc v0.2.0
[INFO] [stderr]     Checking watarikani v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.93s
[INFO] running `Command { std: "docker" "inspect" "ec61f64d0283c6cd98d21099b4d823631b9303f1a0374f6a60a40e0c4783a37e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec61f64d0283c6cd98d21099b4d823631b9303f1a0374f6a60a40e0c4783a37e", kill_on_drop: false }`
[INFO] [stdout] ec61f64d0283c6cd98d21099b4d823631b9303f1a0374f6a60a40e0c4783a37e