[INFO] fetching crate enquirer 0.5.0...
[INFO] checking enquirer-0.5.0 against beta for pr-78714
[INFO] extracting crate enquirer 0.5.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate enquirer 0.5.0 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 crates.io crate enquirer 0.5.0
[INFO] finished tweaking crates.io crate enquirer 0.5.0
[INFO] tweaked toml for crates.io crate enquirer 0.5.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate enquirer 0.5.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 9e6b16cf41da6748c7d623dc7c2f5f83a82f8ec225cab8383149de5765892e1d
[INFO] running `Command { std: "docker" "start" "-a" "9e6b16cf41da6748c7d623dc7c2f5f83a82f8ec225cab8383149de5765892e1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e6b16cf41da6748c7d623dc7c2f5f83a82f8ec225cab8383149de5765892e1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e6b16cf41da6748c7d623dc7c2f5f83a82f8ec225cab8383149de5765892e1d", kill_on_drop: false }`
[INFO] [stdout] 9e6b16cf41da6748c7d623dc7c2f5f83a82f8ec225cab8383149de5765892e1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 16f621a1c5ede7d20279a5927ddcfa55834c394e23a48f8f8ebbd1bf5fa4cc06
[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" "16f621a1c5ede7d20279a5927ddcfa55834c394e23a48f8f8ebbd1bf5fa4cc06", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]     Checking regex-syntax v0.6.13
[INFO] [stderr]     Checking terminal_size v0.1.13
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]    Compiling zeroize_derive v0.9.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking regex v1.3.3
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking zeroize v0.9.3
[INFO] [stderr]     Checking console v0.13.0
[INFO] [stderr]     Checking dialoguer v0.7.0
[INFO] [stderr]    Compiling syn-mid v0.4.0
[INFO] [stderr]    Compiling rustversion v1.0.1
[INFO] [stderr]    Compiling proc-macro-error v0.4.4
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.3
[INFO] [stderr]    Compiling structopt-derive v0.4.0
[INFO] [stderr]     Checking structopt v0.3.7
[INFO] [stderr]     Checking enquirer v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.57s
[INFO] running `Command { std: "docker" "inspect" "16f621a1c5ede7d20279a5927ddcfa55834c394e23a48f8f8ebbd1bf5fa4cc06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16f621a1c5ede7d20279a5927ddcfa55834c394e23a48f8f8ebbd1bf5fa4cc06", kill_on_drop: false }`
[INFO] [stdout] 16f621a1c5ede7d20279a5927ddcfa55834c394e23a48f8f8ebbd1bf5fa4cc06