[INFO] cloning repository https://github.com/illumination-k/markov-clustering-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/illumination-k/markov-clustering-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fillumination-k%2Fmarkov-clustering-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fillumination-k%2Fmarkov-clustering-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 099ed911e0c6a7157109feab1308efedd66c649d
[INFO] checking illumination-k/markov-clustering-rs against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fillumination-k%2Fmarkov-clustering-rs" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/illumination-k/markov-clustering-rs on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/illumination-k/markov-clustering-rs
[INFO] finished tweaking git repo https://github.com/illumination-k/markov-clustering-rs
[INFO] tweaked toml for git repo https://github.com/illumination-k/markov-clustering-rs written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/illumination-k/markov-clustering-rs 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded indexmap v1.6.1
[INFO] [stderr]   Downloaded autocfg v1.0.1
[INFO] [stderr]   Downloaded rawpointer v0.2.1
[INFO] [stderr]   Downloaded num-traits v0.2.14
[INFO] [stderr]   Downloaded fixedbitset v0.2.0
[INFO] [stderr]   Downloaded approx v0.4.0
[INFO] [stderr]   Downloaded anyhow v1.0.38
[INFO] [stderr]   Downloaded hashbrown v0.9.1
[INFO] [stderr]   Downloaded matrixmultiply v0.2.4
[INFO] [stderr]   Downloaded num-complex v0.3.1
[INFO] [stderr]   Downloaded num-integer v0.1.44
[INFO] [stderr]   Downloaded ndarray v0.14.0
[INFO] [stderr]   Downloaded petgraph v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a54eab9ec72137acfe45ef40f4f235782ad87b5b07f671302cd204e4b6e1c86
[INFO] running `Command { std: "docker" "start" "-a" "9a54eab9ec72137acfe45ef40f4f235782ad87b5b07f671302cd204e4b6e1c86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a54eab9ec72137acfe45ef40f4f235782ad87b5b07f671302cd204e4b6e1c86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a54eab9ec72137acfe45ef40f4f235782ad87b5b07f671302cd204e4b6e1c86", kill_on_drop: false }`
[INFO] [stdout] 9a54eab9ec72137acfe45ef40f4f235782ad87b5b07f671302cd204e4b6e1c86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c7a6ad63c2ff1c44d84f9d6015ccc2d3781e10998bfce8a4845aed7d9cd6748
[INFO] running `Command { std: "docker" "start" "-a" "9c7a6ad63c2ff1c44d84f9d6015ccc2d3781e10998bfce8a4845aed7d9cd6748", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling ndarray v0.14.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking matrixmultiply v0.2.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking graph-clustering-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `McodeExt` is never used
[INFO] [stdout]  --> src/mcode/mod.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | trait McodeExt<W, Ty, Ix> {
[INFO] [stdout]   |       ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `McodeExt` is never used
[INFO] [stdout]  --> src/mcode/mod.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | trait McodeExt<W, Ty, Ix> {
[INFO] [stdout]   |       ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.40s
[INFO] running `Command { std: "docker" "inspect" "9c7a6ad63c2ff1c44d84f9d6015ccc2d3781e10998bfce8a4845aed7d9cd6748", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c7a6ad63c2ff1c44d84f9d6015ccc2d3781e10998bfce8a4845aed7d9cd6748", kill_on_drop: false }`
[INFO] [stdout] 9c7a6ad63c2ff1c44d84f9d6015ccc2d3781e10998bfce8a4845aed7d9cd6748