[INFO] cloning repository https://github.com/josler/promptly-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/josler/promptly-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjosler%2Fpromptly-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjosler%2Fpromptly-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ca5a26fa59cf4f1f0608a93efae01eda8a032ddc
[INFO] checking josler/promptly-rs against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjosler%2Fpromptly-rs" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/josler/promptly-rs 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/josler/promptly-rs
[INFO] finished tweaking git repo https://github.com/josler/promptly-rs
[INFO] tweaked toml for git repo https://github.com/josler/promptly-rs written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/josler/promptly-rs 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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] dab199cba77b8fa432e1e21d28de0c5dfb9e521e8f774bcba42af510e07822e0
[INFO] running `Command { std: "docker" "start" "-a" "dab199cba77b8fa432e1e21d28de0c5dfb9e521e8f774bcba42af510e07822e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dab199cba77b8fa432e1e21d28de0c5dfb9e521e8f774bcba42af510e07822e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dab199cba77b8fa432e1e21d28de0c5dfb9e521e8f774bcba42af510e07822e0", kill_on_drop: false }`
[INFO] [stdout] dab199cba77b8fa432e1e21d28de0c5dfb9e521e8f774bcba42af510e07822e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] ef454c905147001ebb945f32f39346cfd6d2e576b3492baa455b5b69630fcf46
[INFO] running `Command { std: "docker" "start" "-a" "ef454c905147001ebb945f32f39346cfd6d2e576b3492baa455b5b69630fcf46", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.19
[INFO] [stderr]     Checking libc v0.2.41
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]     Checking rustc-demangle v0.1.9
[INFO] [stderr]     Checking termcolor v1.0.4
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking atty v0.2.10
[INFO] [stderr]     Checking termion v1.5.1
[INFO] [stderr]     Checking dirs v1.0.4
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling syn v0.15.13
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]     Checking toml v0.4.8
[INFO] [stderr]    Compiling synstructure v0.9.0
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]     Checking failure v0.1.2
[INFO] [stderr]     Checking promptly v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.26s
[INFO] running `Command { std: "docker" "inspect" "ef454c905147001ebb945f32f39346cfd6d2e576b3492baa455b5b69630fcf46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef454c905147001ebb945f32f39346cfd6d2e576b3492baa455b5b69630fcf46", kill_on_drop: false }`
[INFO] [stdout] ef454c905147001ebb945f32f39346cfd6d2e576b3492baa455b5b69630fcf46