[INFO] fetching crate scirs2-metrics 0.1.0-rc.2...
[INFO] checking scirs2-metrics-0.1.0-rc.2 against master#8202d110516c6bd87cee375e9a9b774db499015c for pr-149596
[INFO] extracting crate scirs2-metrics 0.1.0-rc.2 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate scirs2-metrics 0.1.0-rc.2
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate scirs2-metrics 0.1.0-rc.2
[INFO] tweaked toml for crates.io crate scirs2-metrics 0.1.0-rc.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate scirs2-metrics 0.1.0-rc.2 on toolchain 8202d110516c6bd87cee375e9a9b774db499015c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8202d110516c6bd87cee375e9a9b774db499015c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate scirs2-metrics 0.1.0-rc.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8202d110516c6bd87cee375e9a9b774db499015c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+8202d110516c6bd87cee375e9a9b774db499015c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f83b284cda4941e74401408f9e9999a44bc829efe299ccbdc29ea0da0fb90eb3
[INFO] running `Command { std: "docker" "start" "-a" "f83b284cda4941e74401408f9e9999a44bc829efe299ccbdc29ea0da0fb90eb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f83b284cda4941e74401408f9e9999a44bc829efe299ccbdc29ea0da0fb90eb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f83b284cda4941e74401408f9e9999a44bc829efe299ccbdc29ea0da0fb90eb3", kill_on_drop: false }`
[INFO] [stdout] f83b284cda4941e74401408f9e9999a44bc829efe299ccbdc29ea0da0fb90eb3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+8202d110516c6bd87cee375e9a9b774db499015c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b1f2e6365a261e55707b45dd3615689b72128cf57a30bf720e424f10a5013d2
[INFO] running `Command { std: "docker" "start" "-a" "7b1f2e6365a261e55707b45dd3615689b72128cf57a30bf720e424f10a5013d2", kill_on_drop: false }`
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[INFO] [stderr]    Compiling scirs2-metrics v0.1.0-rc.2 (/opt/rustwide/workdir)
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[INFO] [stderr]     Checking ndarray v0.16.1
[INFO] [stderr]     Checking uuid v1.18.1
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[INFO] [stdout] warning: value assigned to `tn` is never read
[INFO] [stdout]    --> src/domains/graph_neural_networks/node_level.rs:143:39
[INFO] [stdout]     |
[INFO] [stdout] 143 |                     (false, false) => tn += 1,
[INFO] [stdout]     |                                       ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `tn` is never read
[INFO] [stdout]    --> src/domains/graph_neural_networks/node_level.rs:143:39
[INFO] [stdout]     |
[INFO] [stdout] 143 |                     (false, false) => tn += 1,
[INFO] [stdout]     |                                       ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `tn` is never read
[INFO] [stdout]    --> src/sklearn_compat.rs:127:27
[INFO] [stdout]     |
[INFO] [stdout] 127 |                 (0, 0) => tn += 1,
[INFO] [stdout]     |                           ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `tn` is never read
[INFO] [stdout]    --> src/sklearn_compat.rs:127:27
[INFO] [stdout]     |
[INFO] [stdout] 127 |                 (0, 0) => tn += 1,
[INFO] [stdout]     |                           ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 20s
[INFO] running `Command { std: "docker" "inspect" "7b1f2e6365a261e55707b45dd3615689b72128cf57a30bf720e424f10a5013d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b1f2e6365a261e55707b45dd3615689b72128cf57a30bf720e424f10a5013d2", kill_on_drop: false }`
[INFO] [stdout] 7b1f2e6365a261e55707b45dd3615689b72128cf57a30bf720e424f10a5013d2