[INFO] fetching crate rusttyc 0.3.1...
[INFO] checking rusttyc-0.3.1 against try#22dd2dd1dc07f63ae9394352d412f020d2985684 for pr-74627
[INFO] extracting crate rusttyc 0.3.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate rusttyc 0.3.1 on toolchain 22dd2dd1dc07f63ae9394352d412f020d2985684
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rusttyc 0.3.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate rusttyc 0.3.1
[INFO] tweaked toml for crates.io crate rusttyc 0.3.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate rusttyc 0.3.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 68fa20e76b1115d2f0b103e4878030e5dee628f6fefcb6ca08a6ae4da5981482
[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" "68fa20e76b1115d2f0b103e4878030e5dee628f6fefcb6ca08a6ae4da5981482", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68fa20e76b1115d2f0b103e4878030e5dee628f6fefcb6ca08a6ae4da5981482", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68fa20e76b1115d2f0b103e4878030e5dee628f6fefcb6ca08a6ae4da5981482", kill_on_drop: false }`
[INFO] [stdout] 68fa20e76b1115d2f0b103e4878030e5dee628f6fefcb6ca08a6ae4da5981482
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc81c1f77c5c342b9203db8384b050f57f1b8477fc23c310eeb040894d7956e3
[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" "dc81c1f77c5c342b9203db8384b050f57f1b8477fc23c310eeb040894d7956e3", kill_on_drop: false }`
[INFO] [stderr]     Checking rusttyc v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Fixed`
[INFO] [stdout]   --> examples/parametrized_function.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     Fixed,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Integer`
[INFO] [stdout]   --> examples/parametrized_function.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     Integer,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Bool`
[INFO] [stdout]   --> examples/parametrized_function.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     Bool,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "dc81c1f77c5c342b9203db8384b050f57f1b8477fc23c310eeb040894d7956e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc81c1f77c5c342b9203db8384b050f57f1b8477fc23c310eeb040894d7956e3", kill_on_drop: false }`
[INFO] [stdout] dc81c1f77c5c342b9203db8384b050f57f1b8477fc23c310eeb040894d7956e3