[INFO] cloning repository https://github.com/qnighy/ferris_watch
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/qnighy/ferris_watch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqnighy%2Fferris_watch", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqnighy%2Fferris_watch'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 63adc870937351aeadea7ae8f77804877cbf2d14
[INFO] checking qnighy/ferris_watch against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqnighy%2Fferris_watch" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/qnighy/ferris_watch 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/qnighy/ferris_watch
[INFO] finished tweaking git repo https://github.com/qnighy/ferris_watch
[INFO] tweaked toml for git repo https://github.com/qnighy/ferris_watch written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/qnighy/ferris_watch 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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 2318452bd966fb44feb358d7f40fba84c23e5b6140d8db71b168f87cd78d6de9
[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" "2318452bd966fb44feb358d7f40fba84c23e5b6140d8db71b168f87cd78d6de9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2318452bd966fb44feb358d7f40fba84c23e5b6140d8db71b168f87cd78d6de9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2318452bd966fb44feb358d7f40fba84c23e5b6140d8db71b168f87cd78d6de9", kill_on_drop: false }`
[INFO] [stdout] 2318452bd966fb44feb358d7f40fba84c23e5b6140d8db71b168f87cd78d6de9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 31aae693599fd3e81e84057803e8fa7a769eca1b73d9ca077157f7cc42b3fc74
[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" "31aae693599fd3e81e84057803e8fa7a769eca1b73d9ca077157f7cc42b3fc74", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.26
[INFO] [stderr]     Checking arc-swap v0.3.6
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]     Checking signal-hook v0.1.6
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling ncurses v5.97.0
[INFO] [stderr]     Checking pancurses v0.16.0
[INFO] [stderr]     Checking backtrace v0.3.12
[INFO] [stderr]     Checking failure v0.1.3
[INFO] [stderr]     Checking ferris_watch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.14s
[INFO] running `Command { std: "docker" "inspect" "31aae693599fd3e81e84057803e8fa7a769eca1b73d9ca077157f7cc42b3fc74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31aae693599fd3e81e84057803e8fa7a769eca1b73d9ca077157f7cc42b3fc74", kill_on_drop: false }`
[INFO] [stdout] 31aae693599fd3e81e84057803e8fa7a769eca1b73d9ca077157f7cc42b3fc74