[INFO] fetching crate osmium-libs-lsp-server-wrapper 0.1.0...
[INFO] checking osmium-libs-lsp-server-wrapper-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate osmium-libs-lsp-server-wrapper 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate osmium-libs-lsp-server-wrapper 0.1.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate osmium-libs-lsp-server-wrapper 0.1.0
[INFO] finished tweaking crates.io crate osmium-libs-lsp-server-wrapper 0.1.0
[INFO] tweaked toml for crates.io crate osmium-libs-lsp-server-wrapper 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 30 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding lsp-types v0.94.1 (latest: v0.95.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lsp-types v0.94.1
[INFO] [stderr]   Downloaded lsp-server v0.7.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e2798bde932e6b63e8e712cd182c8350e8c718821b8a51f8db24faed0d1ec969
[INFO] running `Command { std: "docker" "start" "-a" "e2798bde932e6b63e8e712cd182c8350e8c718821b8a51f8db24faed0d1ec969", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2798bde932e6b63e8e712cd182c8350e8c718821b8a51f8db24faed0d1ec969", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2798bde932e6b63e8e712cd182c8350e8c718821b8a51f8db24faed0d1ec969", kill_on_drop: false }`
[INFO] [stdout] e2798bde932e6b63e8e712cd182c8350e8c718821b8a51f8db24faed0d1ec969
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf67dbc09d8911f4fb5446d2a66eddab18366826e615cd7ab24b4d9b160184b7
[INFO] running `Command { std: "docker" "start" "-a" "cf67dbc09d8911f4fb5446d2a66eddab18366826e615cd7ab24b4d9b160184b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling serde_repr v0.1.18
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]     Checking lsp-types v0.94.1
[INFO] [stderr]     Checking lsp-server v0.7.6
[INFO] [stderr]     Checking osmium-libs-lsp-server-wrapper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ErrorCode`
[INFO] [stdout]  --> src/jsonrpc.rs:4:30
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use self::error::{Error, ErrorCode, Result};
[INFO] [stdout]   |                              ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ErrorCode`
[INFO] [stdout]  --> src/jsonrpc.rs:4:30
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use self::error::{Error, ErrorCode, Result};
[INFO] [stdout]   |                              ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.72s
[INFO] running `Command { std: "docker" "inspect" "cf67dbc09d8911f4fb5446d2a66eddab18366826e615cd7ab24b4d9b160184b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf67dbc09d8911f4fb5446d2a66eddab18366826e615cd7ab24b4d9b160184b7", kill_on_drop: false }`
[INFO] [stdout] cf67dbc09d8911f4fb5446d2a66eddab18366826e615cd7ab24b4d9b160184b7
[INFO] checking osmium-libs-lsp-server-wrapper-0.1.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate osmium-libs-lsp-server-wrapper 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate osmium-libs-lsp-server-wrapper 0.1.0 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate osmium-libs-lsp-server-wrapper 0.1.0
[INFO] finished tweaking crates.io crate osmium-libs-lsp-server-wrapper 0.1.0
[INFO] tweaked toml for crates.io crate osmium-libs-lsp-server-wrapper 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 30 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding lsp-types v0.94.1 (latest: v0.95.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 327f5aaff089bdb117e22456219e2e2254611c7890c915b2495ac494f4d54de0
[INFO] running `Command { std: "docker" "start" "-a" "327f5aaff089bdb117e22456219e2e2254611c7890c915b2495ac494f4d54de0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "327f5aaff089bdb117e22456219e2e2254611c7890c915b2495ac494f4d54de0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "327f5aaff089bdb117e22456219e2e2254611c7890c915b2495ac494f4d54de0", kill_on_drop: false }`
[INFO] [stdout] 327f5aaff089bdb117e22456219e2e2254611c7890c915b2495ac494f4d54de0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 473bef6d569edefdddfc10e664ddfd1b5c58fffb8090d5c9e806b5152aa6e29e
[INFO] running `Command { std: "docker" "start" "-a" "473bef6d569edefdddfc10e664ddfd1b5c58fffb8090d5c9e806b5152aa6e29e", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling serde_repr v0.1.18
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]     Checking lsp-types v0.94.1
[INFO] [stderr]     Checking lsp-server v0.7.6
[INFO] [stderr]     Checking osmium-libs-lsp-server-wrapper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ErrorCode`
[INFO] [stdout]  --> src/jsonrpc.rs:4:30
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use self::error::{Error, ErrorCode, Result};
[INFO] [stdout]   |                              ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ErrorCode`
[INFO] [stdout]  --> src/jsonrpc.rs:4:30
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use self::error::{Error, ErrorCode, Result};
[INFO] [stdout]   |                              ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.40s
[INFO] running `Command { std: "docker" "inspect" "473bef6d569edefdddfc10e664ddfd1b5c58fffb8090d5c9e806b5152aa6e29e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "473bef6d569edefdddfc10e664ddfd1b5c58fffb8090d5c9e806b5152aa6e29e", kill_on_drop: false }`
[INFO] [stdout] 473bef6d569edefdddfc10e664ddfd1b5c58fffb8090d5c9e806b5152aa6e29e