[INFO] fetching crate clap-log-flag 0.2.1...
[INFO] testing clap-log-flag-0.2.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate clap-log-flag 0.2.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate clap-log-flag 0.2.1 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate clap-log-flag 0.2.1
[INFO] finished tweaking crates.io crate clap-log-flag 0.2.1
[INFO] tweaked toml for crates.io crate clap-log-flag 0.2.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f3a3edb7d5408354d14c1cce4815dba9b253c33fa8b533d43f46d591c7264135
[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" "f3a3edb7d5408354d14c1cce4815dba9b253c33fa8b533d43f46d591c7264135", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3a3edb7d5408354d14c1cce4815dba9b253c33fa8b533d43f46d591c7264135", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3a3edb7d5408354d14c1cce4815dba9b253c33fa8b533d43f46d591c7264135", kill_on_drop: false }`
[INFO] [stdout] f3a3edb7d5408354d14c1cce4815dba9b253c33fa8b533d43f46d591c7264135
[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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e38a41dc3dd087973aecff301d9f0f17eaa6c957254a57addabf2b34338fa611
[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" "e38a41dc3dd087973aecff301d9f0f17eaa6c957254a57addabf2b34338fa611", kill_on_drop: false }`
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling pretty_env_logger v0.2.5
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling clap-log-flag v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.56s
[INFO] running `Command { std: "docker" "inspect" "e38a41dc3dd087973aecff301d9f0f17eaa6c957254a57addabf2b34338fa611", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e38a41dc3dd087973aecff301d9f0f17eaa6c957254a57addabf2b34338fa611", kill_on_drop: false }`
[INFO] [stdout] e38a41dc3dd087973aecff301d9f0f17eaa6c957254a57addabf2b34338fa611
[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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3fef0f0bb64e6c8f3c8c822874976ce832198a17ced5e3c4a814261c6891f97d
[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" "3fef0f0bb64e6c8f3c8c822874976ce832198a17ced5e3c4a814261c6891f97d", kill_on_drop: false }`
[INFO] [stderr]    Compiling clap-verbosity-flag v0.2.0
[INFO] [stderr]    Compiling clap-log-flag v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> examples/main.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> examples/main.rs:20:20
[INFO] [stdout]    |
[INFO] [stdout] 20 |   args.log.log_all(args.verbose.log_level())?;
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    expected enum `Option`, found enum `Level`
[INFO] [stdout]    |                    help: try using a variant of the expected enum: `Some(args.verbose.log_level())`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `Option<Level>`
[INFO] [stdout]               found enum `Level`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `clap-log-flag`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "3fef0f0bb64e6c8f3c8c822874976ce832198a17ced5e3c4a814261c6891f97d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fef0f0bb64e6c8f3c8c822874976ce832198a17ced5e3c4a814261c6891f97d", kill_on_drop: false }`
[INFO] [stdout] 3fef0f0bb64e6c8f3c8c822874976ce832198a17ced5e3c4a814261c6891f97d