[INFO] fetching crate num_enum 0.5.1...
[INFO] checking num_enum-0.5.1 against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] extracting crate num_enum 0.5.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate num_enum 0.5.1 on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate num_enum 0.5.1
[INFO] finished tweaking crates.io crate num_enum 0.5.1
[INFO] tweaked toml for crates.io crate num_enum 0.5.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num_enum_derive v0.5.1
[INFO] [stderr]   Downloaded derivative v2.2.0
[INFO] [stderr]   Downloaded rustversion v1.0.4
[INFO] [stderr]   Downloaded trybuild v1.0.41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "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] cd52bf2d4472a7a3053c6cede5bc873880d1fe7df2f1ee03cfaa58865405bf39
[INFO] running `Command { std: "docker" "start" "-a" "cd52bf2d4472a7a3053c6cede5bc873880d1fe7df2f1ee03cfaa58865405bf39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd52bf2d4472a7a3053c6cede5bc873880d1fe7df2f1ee03cfaa58865405bf39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd52bf2d4472a7a3053c6cede5bc873880d1fe7df2f1ee03cfaa58865405bf39", kill_on_drop: false }`
[INFO] [stdout] cd52bf2d4472a7a3053c6cede5bc873880d1fe7df2f1ee03cfaa58865405bf39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 521ad8867fbf3b2414a81fd5648b2c95a2f56b8ae81bc5fea50f81a417bb12bd
[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" "521ad8867fbf3b2414a81fd5648b2c95a2f56b8ae81bc5fea50f81a417bb12bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling rustversion v1.0.4
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking trybuild v1.0.41
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling num_enum_derive v0.5.1
[INFO] [stderr]     Checking num_enum v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr] Warning: Could not find `num_enum` in `dependencies` or `dev-dependencies` in `/opt/rustwide/workdir/Cargo.toml`!
[INFO] [stderr]     => defaulting to `num_enum`
[INFO] [stderr] Warning: Could not find `num_enum` in `dependencies` or `dev-dependencies` in `/opt/rustwide/workdir/Cargo.toml`!
[INFO] [stderr]     => defaulting to `num_enum`
[INFO] [stderr] Warning: Could not find `num_enum` in `dependencies` or `dev-dependencies` in `/opt/rustwide/workdir/Cargo.toml`!
[INFO] [stderr]     => defaulting to `num_enum`
[INFO] [stderr] Warning: Could not find `num_enum` in `dependencies` or `dev-dependencies` in `/opt/rustwide/workdir/Cargo.toml`!
[INFO] [stderr]     => defaulting to `num_enum`
[INFO] [stderr] Warning: Could not find `num_enum` in `dependencies` or `dev-dependencies` in `/opt/rustwide/workdir/Cargo.toml`!
[INFO] [stderr]     => defaulting to `num_enum`
[INFO] [stderr] Warning: Could not find `num_enum` in `dependencies` or `dev-dependencies` in `/opt/rustwide/workdir/Cargo.toml`!
[INFO] [stderr]     => defaulting to `num_enum`
[INFO] [stderr] Warning: Could not find `num_enum` in `dependencies` or `dev-dependencies` in `/opt/rustwide/workdir/Cargo.toml`!
[INFO] [stderr]     => defaulting to `num_enum`
[INFO] [stderr] Warning: Could not find `num_enum` in `dependencies` or `dev-dependencies` in `/opt/rustwide/workdir/Cargo.toml`!
[INFO] [stderr]     => defaulting to `num_enum`
[INFO] [stderr] Warning: Could not find `num_enum` in `dependencies` or `dev-dependencies` in `/opt/rustwide/workdir/Cargo.toml`!
[INFO] [stderr]     => defaulting to `num_enum`
[INFO] [stderr] Warning: Could not find `num_enum` in `dependencies` or `dev-dependencies` in `/opt/rustwide/workdir/Cargo.toml`!
[INFO] [stderr]     => defaulting to `num_enum`
[INFO] [stderr] Warning: Could not find `num_enum` in `dependencies` or `dev-dependencies` in `/opt/rustwide/workdir/Cargo.toml`!
[INFO] [stderr]     => defaulting to `num_enum`
[INFO] [stderr] Warning: Could not find `num_enum` in `dependencies` or `dev-dependencies` in `/opt/rustwide/workdir/Cargo.toml`!
[INFO] [stderr]     => defaulting to `num_enum`
[INFO] [stderr] Warning: Could not find `num_enum` in `dependencies` or `dev-dependencies` in `/opt/rustwide/workdir/Cargo.toml`!
[INFO] [stderr]     => defaulting to `num_enum`
[INFO] [stderr] Warning: Could not find `num_enum` in `dependencies` or `dev-dependencies` in `/opt/rustwide/workdir/Cargo.toml`!
[INFO] [stderr]     => defaulting to `num_enum`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.57s
[INFO] running `Command { std: "docker" "inspect" "521ad8867fbf3b2414a81fd5648b2c95a2f56b8ae81bc5fea50f81a417bb12bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "521ad8867fbf3b2414a81fd5648b2c95a2f56b8ae81bc5fea50f81a417bb12bd", kill_on_drop: false }`
[INFO] [stdout] 521ad8867fbf3b2414a81fd5648b2c95a2f56b8ae81bc5fea50f81a417bb12bd