[INFO] fetching crate heatmap 0.6.6...
[INFO] checking heatmap-0.6.6 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate heatmap 0.6.6 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate heatmap 0.6.6 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate heatmap 0.6.6
[INFO] finished tweaking crates.io crate heatmap 0.6.6
[INFO] tweaked toml for crates.io crate heatmap 0.6.6 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded histogram v0.6.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9d9b5c401b5a0bba9a5f305e0ded318224f250107ca05932484b09ff6a4ec343
[INFO] running `Command { std: "docker" "start" "-a" "9d9b5c401b5a0bba9a5f305e0ded318224f250107ca05932484b09ff6a4ec343", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d9b5c401b5a0bba9a5f305e0ded318224f250107ca05932484b09ff6a4ec343", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d9b5c401b5a0bba9a5f305e0ded318224f250107ca05932484b09ff6a4ec343", kill_on_drop: false }`
[INFO] [stdout] 9d9b5c401b5a0bba9a5f305e0ded318224f250107ca05932484b09ff6a4ec343
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bbabec718efa7c84bb5cc7138d6e22b2526bf5e6cd053060358a4eb2b5522955
[INFO] running `Command { std: "docker" "start" "-a" "bbabec718efa7c84bb5cc7138d6e22b2526bf5e6cd053060358a4eb2b5522955", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking histogram v0.6.9
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking heatmap v0.6.6 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `heatmap` due to 3 previous errors
[INFO] [stdout] error: field is never read: `iterator`
[INFO] [stdout]    --> src/lib.rs:143:5
[INFO] [stdout]     |
[INFO] [stdout] 143 |     iterator: usize,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:26:9
[INFO] [stdout]     |
[INFO] [stdout] 26  | #![deny(warnings)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[deny(dead_code)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: field is never read: `properties`
[INFO] [stdout]    --> src/lib.rs:156:5
[INFO] [stdout]     |
[INFO] [stdout] 156 |     properties: Properties,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: field is never read: `iterator`
[INFO] [stdout]    --> src/lib.rs:143:5
[INFO] [stdout]     |
[INFO] [stdout] 143 |     iterator: usize,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:26:9
[INFO] [stdout]     |
[INFO] [stdout] 26  | #![deny(warnings)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[deny(dead_code)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: field is never read: `properties`
[INFO] [stdout]    --> src/lib.rs:156:5
[INFO] [stdout]     |
[INFO] [stdout] 156 |     properties: Properties,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bbabec718efa7c84bb5cc7138d6e22b2526bf5e6cd053060358a4eb2b5522955", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbabec718efa7c84bb5cc7138d6e22b2526bf5e6cd053060358a4eb2b5522955", kill_on_drop: false }`
[INFO] [stdout] bbabec718efa7c84bb5cc7138d6e22b2526bf5e6cd053060358a4eb2b5522955