[INFO] fetching crate grathe 0.2.1...
[INFO] checking grathe-0.2.1 against master#18a6d911caba59605eb03db1452848a85d2e5879 for pr-112743
[INFO] extracting crate grathe 0.2.1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate grathe 0.2.1 on toolchain 18a6d911caba59605eb03db1452848a85d2e5879
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+18a6d911caba59605eb03db1452848a85d2e5879" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate grathe 0.2.1
[INFO] finished tweaking crates.io crate grathe 0.2.1
[INFO] tweaked toml for crates.io crate grathe 0.2.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+18a6d911caba59605eb03db1452848a85d2e5879" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+18a6d911caba59605eb03db1452848a85d2e5879" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ndarray-linalg v0.14.1
[INFO] [stderr]   Downloaded all_asserts v2.3.1
[INFO] [stderr]   Downloaded alga v0.9.3
[INFO] [stderr]   Downloaded delegate v0.6.2
[INFO] [stderr]   Downloaded openblas-src v0.10.8
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[INFO] [stderr]   Downloaded sprs v0.11.1
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[INFO] [stderr]   Downloaded cauchy v0.4.0
[INFO] [stderr]   Downloaded openblas-build v0.10.8
[INFO] [stderr]   Downloaded lapack v0.18.0
[INFO] [stderr]   Downloaded generic-tests v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+18a6d911caba59605eb03db1452848a85d2e5879" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48f59ce45255146cda8d9e1624a20778d5f8c8bdfb844d80c587e5d9d1cdf105
[INFO] running `Command { std: "docker" "start" "-a" "48f59ce45255146cda8d9e1624a20778d5f8c8bdfb844d80c587e5d9d1cdf105", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48f59ce45255146cda8d9e1624a20778d5f8c8bdfb844d80c587e5d9d1cdf105", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48f59ce45255146cda8d9e1624a20778d5f8c8bdfb844d80c587e5d9d1cdf105", kill_on_drop: false }`
[INFO] [stdout] 48f59ce45255146cda8d9e1624a20778d5f8c8bdfb844d80c587e5d9d1cdf105
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+18a6d911caba59605eb03db1452848a85d2e5879" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28e6d1620c5704a70b8824f4120648666f6bfe19a46997439055caaa231d486c
[INFO] running `Command { std: "docker" "start" "-a" "28e6d1620c5704a70b8824f4120648666f6bfe19a46997439055caaa231d486c", kill_on_drop: false }`
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[INFO] [stderr]    Compiling openssl-sys v0.9.88
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[INFO] [stderr]     Checking rand_chacha v0.3.1
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[INFO] [stderr]    Compiling unicode-bidi v0.3.13
[INFO] [stderr]    Compiling openssl-probe v0.1.5
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling adler v1.0.2
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[INFO] [stderr]    Compiling unicode-normalization v0.1.22
[INFO] [stderr]    Compiling base64 v0.21.2
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[INFO] [stderr]    Compiling rustls-pemfile v1.0.2
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[INFO] [stderr]    Compiling paste v1.0.12
[INFO] [stderr]     Checking all_asserts v2.3.1
[INFO] [stderr]     Checking alga v0.9.3
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[INFO] [stderr]     Checking sprs v0.11.1
[INFO] [stderr]     Checking ndarray-rand v0.14.0
[INFO] [stderr]    Compiling pest_meta v2.6.1
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[INFO] [stderr]    Compiling ureq v2.7.1
[INFO] [stderr]    Compiling pest_derive v2.6.1
[INFO] [stderr]    Compiling delegate v0.6.2
[INFO] [stderr]    Compiling generic-tests v0.1.2
[INFO] [stderr]    Compiling openblas-build v0.10.8
[INFO] [stderr]    Compiling openblas-src v0.10.8
[INFO] [stderr]     Checking lax v0.2.0
[INFO] [stderr]     Checking ndarray-linalg v0.14.1
[INFO] [stderr]     Checking grathe v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `g`
[INFO] [stdout]    --> src/algorithms/mod.rs:144:21
[INFO] [stdout]     |
[INFO] [stdout] 144 |             fn from(g: &'a $graph<T, U>) -> Self {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/graphs/adjacency_list.rs:19:1
[INFO] [stdout]     |
[INFO] [stdout] 19  | crate::traits::direction::impl_undirected!(UndirectedAdjacencyListGraph, AdjacencyListStorage);
[INFO] [stdout]     | ---------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `$crate::algorithms::impl_algorithms_undirected` which comes from the expansion of the macro `crate::traits::direction::impl_undirected` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a variant
[INFO] [stdout]   --> src/io/dot.rs:29:10
[INFO] [stdout]    |
[INFO] [stdout] 29 | #[derive(Parser)]
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:1:9
[INFO] [stdout]    |
[INFO] [stdout] 1  | #![warn(missing_docs)]
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Parser` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `g`
[INFO] [stdout]    --> src/algorithms/mod.rs:144:21
[INFO] [stdout]     |
[INFO] [stdout] 144 |             fn from(g: &'a $graph<T, U>) -> Self {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/graphs/adjacency_list.rs:19:1
[INFO] [stdout]     |
[INFO] [stdout] 19  | crate::traits::direction::impl_undirected!(UndirectedAdjacencyListGraph, AdjacencyListStorage);
[INFO] [stdout]     | ---------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `$crate::algorithms::impl_algorithms_undirected` which comes from the expansion of the macro `crate::traits::direction::impl_undirected` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.84s
[INFO] running `Command { std: "docker" "inspect" "28e6d1620c5704a70b8824f4120648666f6bfe19a46997439055caaa231d486c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28e6d1620c5704a70b8824f4120648666f6bfe19a46997439055caaa231d486c", kill_on_drop: false }`
[INFO] [stdout] 28e6d1620c5704a70b8824f4120648666f6bfe19a46997439055caaa231d486c