[INFO] fetching crate pepper 0.8.10...
[INFO] checking pepper-0.8.10 against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] extracting crate pepper 0.8.10 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate pepper 0.8.10 on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pepper 0.8.10
[INFO] finished tweaking crates.io crate pepper 0.8.10
[INFO] tweaked toml for crates.io crate pepper 0.8.10 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate pepper 0.8.10 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb86011f8607a55bea0ebde02728221d8fc1d745dafe34b8969fbee97542983f
[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" "cb86011f8607a55bea0ebde02728221d8fc1d745dafe34b8969fbee97542983f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb86011f8607a55bea0ebde02728221d8fc1d745dafe34b8969fbee97542983f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb86011f8607a55bea0ebde02728221d8fc1d745dafe34b8969fbee97542983f", kill_on_drop: false }`
[INFO] [stdout] cb86011f8607a55bea0ebde02728221d8fc1d745dafe34b8969fbee97542983f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74c0e557a3cccf6ddaa3b4034234a0e62ba3a0e3ef0c8a9a9ffaf4eaf8328b77
[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" "74c0e557a3cccf6ddaa3b4034234a0e62ba3a0e3ef0c8a9a9ffaf4eaf8328b77", kill_on_drop: false }`
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking fuzzy-matcher v0.3.7
[INFO] [stderr]     Checking pepper v0.8.10 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `declaration_provider`
[INFO] [stdout]    --> src/lsp/client.rs:202:5
[INFO] [stdout]     |
[INFO] [stdout] 202 |     declaration_provider: GenericCapability,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `implementation_provider`
[INFO] [stdout]    --> src/lsp/client.rs:204:5
[INFO] [stdout]     |
[INFO] [stdout] 204 |     implementation_provider: GenericCapability,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `declaration_provider`
[INFO] [stdout]    --> src/lsp/client.rs:202:5
[INFO] [stdout]     |
[INFO] [stdout] 202 |     declaration_provider: GenericCapability,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `implementation_provider`
[INFO] [stdout]    --> src/lsp/client.rs:204:5
[INFO] [stdout]     |
[INFO] [stdout] 204 |     implementation_provider: GenericCapability,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.69s
[INFO] running `Command { std: "docker" "inspect" "74c0e557a3cccf6ddaa3b4034234a0e62ba3a0e3ef0c8a9a9ffaf4eaf8328b77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74c0e557a3cccf6ddaa3b4034234a0e62ba3a0e3ef0c8a9a9ffaf4eaf8328b77", kill_on_drop: false }`
[INFO] [stdout] 74c0e557a3cccf6ddaa3b4034234a0e62ba3a0e3ef0c8a9a9ffaf4eaf8328b77