[INFO] fetching crate contest-algorithms 0.3.0...
[INFO] checking contest-algorithms-0.3.0 against try#846ec3a7f9ef4a204b2166da3cfc71f4885a5be5 for pr-98000
[INFO] extracting crate contest-algorithms 0.3.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate contest-algorithms 0.3.0 on toolchain 846ec3a7f9ef4a204b2166da3cfc71f4885a5be5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+846ec3a7f9ef4a204b2166da3cfc71f4885a5be5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate contest-algorithms 0.3.0
[INFO] finished tweaking crates.io crate contest-algorithms 0.3.0
[INFO] tweaked toml for crates.io crate contest-algorithms 0.3.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+846ec3a7f9ef4a204b2166da3cfc71f4885a5be5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+846ec3a7f9ef4a204b2166da3cfc71f4885a5be5" "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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+846ec3a7f9ef4a204b2166da3cfc71f4885a5be5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c992ffdd9801c19960da5b5e4fb07cb9236c49ae56b45159497399ecb30f82e
[INFO] running `Command { std: "docker" "start" "-a" "2c992ffdd9801c19960da5b5e4fb07cb9236c49ae56b45159497399ecb30f82e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c992ffdd9801c19960da5b5e4fb07cb9236c49ae56b45159497399ecb30f82e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c992ffdd9801c19960da5b5e4fb07cb9236c49ae56b45159497399ecb30f82e", kill_on_drop: false }`
[INFO] [stdout] 2c992ffdd9801c19960da5b5e4fb07cb9236c49ae56b45159497399ecb30f82e
[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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+846ec3a7f9ef4a204b2166da3cfc71f4885a5be5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17d72936ef490e1a0961b82211e2377abf46e7e7a3887bc57a1911d954948ce5
[INFO] running `Command { std: "docker" "start" "-a" "17d72936ef490e1a0961b82211e2377abf46e7e7a3887bc57a1911d954948ce5", kill_on_drop: false }`
[INFO] [stderr]     Checking contest-algorithms v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0284]: type annotations needed
[INFO] [stdout]   --> src/range_query/dynamic_arq.rs:73:19
[INFO] [stdout]    |
[INFO] [stdout] 73 |                 ..Default::default()
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^ cannot infer type for type parameter `T` declared on the struct `DynamicArqNode`
[INFO] [stdout]    |
[INFO] [stdout]    = note: cannot satisfy `<_ as ArqSpec>::S == _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `<_ as ArqSpec>::S == <T as ArqSpec>::S`
[INFO] [stdout]   --> src/range_query/dynamic_arq.rs:92:15
[INFO] [stdout]    |
[INFO] [stdout] 92 |             ..Default::default()
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^ cannot satisfy `<_ as ArqSpec>::S == <T as ArqSpec>::S`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed
[INFO] [stdout]   --> src/range_query/dynamic_arq.rs:73:19
[INFO] [stdout]    |
[INFO] [stdout] 73 |                 ..Default::default()
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^ cannot infer type for type parameter `T` declared on the struct `DynamicArqNode`
[INFO] [stdout]    |
[INFO] [stdout]    = note: cannot satisfy `<_ as ArqSpec>::S == _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `<_ as ArqSpec>::S == <T as ArqSpec>::S`
[INFO] [stdout]   --> src/range_query/dynamic_arq.rs:92:15
[INFO] [stdout]    |
[INFO] [stdout] 92 |             ..Default::default()
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^ cannot satisfy `<_ as ArqSpec>::S == <T as ArqSpec>::S`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0284`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `contest-algorithms` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0284`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `contest-algorithms` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "17d72936ef490e1a0961b82211e2377abf46e7e7a3887bc57a1911d954948ce5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17d72936ef490e1a0961b82211e2377abf46e7e7a3887bc57a1911d954948ce5", kill_on_drop: false }`
[INFO] [stdout] 17d72936ef490e1a0961b82211e2377abf46e7e7a3887bc57a1911d954948ce5