[INFO] fetching crate internode 1.0.0...
[INFO] checking internode-1.0.0 against master#16b569057e4d1591b4bee05f10df34000308dedc for pr-127827
[INFO] extracting crate internode 1.0.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate internode 1.0.0 on toolchain 16b569057e4d1591b4bee05f10df34000308dedc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+16b569057e4d1591b4bee05f10df34000308dedc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate internode 1.0.0
[INFO] finished tweaking crates.io crate internode 1.0.0
[INFO] tweaked toml for crates.io crate internode 1.0.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+16b569057e4d1591b4bee05f10df34000308dedc" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+16b569057e4d1591b4bee05f10df34000308dedc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded genawaiter v0.99.1
[INFO] [stderr]   Downloaded genawaiter-macro v0.99.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+16b569057e4d1591b4bee05f10df34000308dedc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 28a14ddab1b1f73619546d689b15273ddca699cbcd4e964d232a2d981c687e1c
[INFO] running `Command { std: "docker" "start" "-a" "28a14ddab1b1f73619546d689b15273ddca699cbcd4e964d232a2d981c687e1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28a14ddab1b1f73619546d689b15273ddca699cbcd4e964d232a2d981c687e1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28a14ddab1b1f73619546d689b15273ddca699cbcd4e964d232a2d981c687e1c", kill_on_drop: false }`
[INFO] [stdout] 28a14ddab1b1f73619546d689b15273ddca699cbcd4e964d232a2d981c687e1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+16b569057e4d1591b4bee05f10df34000308dedc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a595b4e5c37cbb405ed1b60055be8acab4e06b39d17f23e92e18e0b062ceef6
[INFO] running `Command { std: "docker" "start" "-a" "3a595b4e5c37cbb405ed1b60055be8acab4e06b39d17f23e92e18e0b062ceef6", kill_on_drop: false }`
[INFO] [stderr]     Checking genawaiter-macro v0.99.1
[INFO] [stderr]     Checking genawaiter v0.99.1
[INFO] [stderr]     Checking internode v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `guard` is never read
[INFO] [stdout]   --> src/internode_mutex_guard.rs:48:2
[INFO] [stdout]    |
[INFO] [stdout] 47 | struct InternodeMutexGuardIterOutgoing<'a, T: Neighbors> {
[INFO] [stdout]    |        ------------------------------- field in this struct
[INFO] [stdout] 48 |     guard: MutexGuard<'a, Option<T>>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `guard` is never read
[INFO] [stdout]   --> src/internode_mutex_guard.rs:48:2
[INFO] [stdout]    |
[INFO] [stdout] 47 | struct InternodeMutexGuardIterOutgoing<'a, T: Neighbors> {
[INFO] [stdout]    |        ------------------------------- field in this struct
[INFO] [stdout] 48 |     guard: MutexGuard<'a, Option<T>>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `guard` is never read
[INFO] [stdout]   --> src/internode_mutex_guard.rs:66:2
[INFO] [stdout]    |
[INFO] [stdout] 65 | struct InternodeMutexGuardIterIncoming<'a, T: Neighbors> {
[INFO] [stdout]    |        ------------------------------- field in this struct
[INFO] [stdout] 66 |     guard: MutexGuard<'a, Option<T>>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `guard` is never read
[INFO] [stdout]   --> src/internode_mutex_guard.rs:66:2
[INFO] [stdout]    |
[INFO] [stdout] 65 | struct InternodeMutexGuardIterIncoming<'a, T: Neighbors> {
[INFO] [stdout]    |        ------------------------------- field in this struct
[INFO] [stdout] 66 |     guard: MutexGuard<'a, Option<T>>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "3a595b4e5c37cbb405ed1b60055be8acab4e06b39d17f23e92e18e0b062ceef6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a595b4e5c37cbb405ed1b60055be8acab4e06b39d17f23e92e18e0b062ceef6", kill_on_drop: false }`
[INFO] [stdout] 3a595b4e5c37cbb405ed1b60055be8acab4e06b39d17f23e92e18e0b062ceef6
[INFO] checking internode-1.0.0 against try#8a6640bd72b80869b16392026cb3aa8ce8e3f9b7 for pr-127827
[INFO] extracting crate internode 1.0.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate internode 1.0.0 on toolchain 8a6640bd72b80869b16392026cb3aa8ce8e3f9b7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a6640bd72b80869b16392026cb3aa8ce8e3f9b7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate internode 1.0.0
[INFO] finished tweaking crates.io crate internode 1.0.0
[INFO] tweaked toml for crates.io crate internode 1.0.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a6640bd72b80869b16392026cb3aa8ce8e3f9b7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a6640bd72b80869b16392026cb3aa8ce8e3f9b7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+8a6640bd72b80869b16392026cb3aa8ce8e3f9b7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8467b649338011644279c4291f43e84410e5d93d5635b62f9be0e48715847490
[INFO] running `Command { std: "docker" "start" "-a" "8467b649338011644279c4291f43e84410e5d93d5635b62f9be0e48715847490", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8467b649338011644279c4291f43e84410e5d93d5635b62f9be0e48715847490", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8467b649338011644279c4291f43e84410e5d93d5635b62f9be0e48715847490", kill_on_drop: false }`
[INFO] [stdout] 8467b649338011644279c4291f43e84410e5d93d5635b62f9be0e48715847490
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+8a6640bd72b80869b16392026cb3aa8ce8e3f9b7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79f55b81189d835f9916b77f7ea56f864b165a4e5d3a012dd7f1187ce2285d8c
[INFO] running `Command { std: "docker" "start" "-a" "79f55b81189d835f9916b77f7ea56f864b165a4e5d3a012dd7f1187ce2285d8c", kill_on_drop: false }`
[INFO] [stderr]     Checking genawaiter-macro v0.99.1
[INFO] [stderr]     Checking genawaiter v0.99.1
[INFO] [stderr]     Checking internode v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/internode.rs:86:6
[INFO] [stdout]    |
[INFO] [stdout] 86 |                     co.yield_(node.clone()).await;
[INFO] [stdout]    |                     ^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/internode.rs:86:6
[INFO] [stdout]    |
[INFO] [stdout] 86 |                     co.yield_(node.clone()).await;
[INFO] [stdout]    |                     ^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/internode.rs:103:6
[INFO] [stdout]     |
[INFO] [stdout] 103 |                     co.yield_(node.clone()).await;
[INFO] [stdout]     |                     ^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/internode.rs:103:6
[INFO] [stdout]     |
[INFO] [stdout] 103 |                     co.yield_(node.clone()).await;
[INFO] [stdout]     |                     ^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/internode.rs:120:6
[INFO] [stdout]     |
[INFO] [stdout] 120 |                     co.yield_(node.clone()).await;
[INFO] [stdout]     |                     ^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/internode.rs:120:6
[INFO] [stdout]     |
[INFO] [stdout] 120 |                     co.yield_(node.clone()).await;
[INFO] [stdout]     |                     ^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/internode.rs:135:6
[INFO] [stdout]     |
[INFO] [stdout] 135 |                     co.yield_(node.clone()).await;
[INFO] [stdout]     |                     ^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/internode.rs:135:6
[INFO] [stdout]     |
[INFO] [stdout] 135 |                     co.yield_(node.clone()).await;
[INFO] [stdout]     |                     ^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `internode` (lib) due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `internode` (lib test) due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "79f55b81189d835f9916b77f7ea56f864b165a4e5d3a012dd7f1187ce2285d8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79f55b81189d835f9916b77f7ea56f864b165a4e5d3a012dd7f1187ce2285d8c", kill_on_drop: false }`
[INFO] [stdout] 79f55b81189d835f9916b77f7ea56f864b165a4e5d3a012dd7f1187ce2285d8c