[INFO] fetching crate demi 0.1.3...
[INFO] checking demi-0.1.3 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate demi 0.1.3 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate demi 0.1.3 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate demi 0.1.3
[INFO] finished tweaking crates.io crate demi 0.1.3
[INFO] tweaked toml for crates.io crate demi 0.1.3 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d14849709b266c9fd22b6136861d0965114c6fc872e6fb5bd34ec28c1cc0d07
[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" "2d14849709b266c9fd22b6136861d0965114c6fc872e6fb5bd34ec28c1cc0d07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d14849709b266c9fd22b6136861d0965114c6fc872e6fb5bd34ec28c1cc0d07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d14849709b266c9fd22b6136861d0965114c6fc872e6fb5bd34ec28c1cc0d07", kill_on_drop: false }`
[INFO] [stdout] 2d14849709b266c9fd22b6136861d0965114c6fc872e6fb5bd34ec28c1cc0d07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6587614b24c0e81994f38b2769f2fddc9d84409aa2729ad3de92d199b9ef1b47
[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" "6587614b24c0e81994f38b2769f2fddc9d84409aa2729ad3de92d199b9ef1b47", kill_on_drop: false }`
[INFO] [stderr]     Checking demi v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: private type `Keyword` in public interface (error E0446)
[INFO] [stdout]   --> src/tokenizer.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Keyword(Keyword),
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(private_in_public)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `Type` in public interface (error E0446)
[INFO] [stdout]   --> src/tokenizer.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 |     Type(Type),
[INFO] [stdout]    |          ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `Keyword` in public interface (error E0446)
[INFO] [stdout]   --> src/tokenizer.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Keyword(Keyword),
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(private_in_public)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Constant`
[INFO] [stdout]  --> src/tokenizer.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     Constant,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `Type` in public interface (error E0446)
[INFO] [stdout]   --> src/tokenizer.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 |     Type(Type),
[INFO] [stdout]    |          ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Integer`
[INFO] [stdout]  --> src/tokenizer.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Integer,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Identifier`
[INFO] [stdout]   --> src/tokenizer.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Identifier(&'a str),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Keyword`
[INFO] [stdout]   --> src/tokenizer.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Keyword(Keyword),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Constant`
[INFO] [stdout]  --> src/tokenizer.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     Constant,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Type`
[INFO] [stdout]   --> src/tokenizer.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     Type(Type),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Integer`
[INFO] [stdout]  --> src/tokenizer.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Integer,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Identifier`
[INFO] [stdout]   --> src/tokenizer.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Identifier(&'a str),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Keyword`
[INFO] [stdout]   --> src/tokenizer.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Keyword(Keyword),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Type`
[INFO] [stdout]   --> src/tokenizer.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     Type(Type),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "6587614b24c0e81994f38b2769f2fddc9d84409aa2729ad3de92d199b9ef1b47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6587614b24c0e81994f38b2769f2fddc9d84409aa2729ad3de92d199b9ef1b47", kill_on_drop: false }`
[INFO] [stdout] 6587614b24c0e81994f38b2769f2fddc9d84409aa2729ad3de92d199b9ef1b47