[INFO] fetching crate bit_crusher 0.2.0...
[INFO] checking bit_crusher-0.2.0 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate bit_crusher 0.2.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate bit_crusher 0.2.0 on toolchain 80399064afa4a2cd153f30d02c25f7ea0383ed65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bit_crusher 0.2.0
[INFO] finished tweaking crates.io crate bit_crusher 0.2.0
[INFO] tweaked toml for crates.io crate bit_crusher 0.2.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "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" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fixedbitset v0.1.9
[INFO] [stderr]   Downloaded bitflags v0.3.3
[INFO] [stderr]   Downloaded portaudio v0.5.1
[INFO] [stderr]   Downloaded daggy v0.1.4
[INFO] [stderr]   Downloaded sound_stream v0.6.0
[INFO] [stderr]   Downloaded sample v0.2.0
[INFO] [stderr]   Downloaded dsp-chain v0.9.0
[INFO] [stderr]   Downloaded petgraph v0.1.18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f44b957f6143ac3d3a89921702faf7e46e4b5b2a6e109e1123ff12cad267961
[INFO] running `Command { std: "docker" "start" "-a" "1f44b957f6143ac3d3a89921702faf7e46e4b5b2a6e109e1123ff12cad267961", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f44b957f6143ac3d3a89921702faf7e46e4b5b2a6e109e1123ff12cad267961", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f44b957f6143ac3d3a89921702faf7e46e4b5b2a6e109e1123ff12cad267961", kill_on_drop: false }`
[INFO] [stdout] 1f44b957f6143ac3d3a89921702faf7e46e4b5b2a6e109e1123ff12cad267961
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60e12914d62eea961793b38f502c2358a182cfb07af1b2f274efb907944babb6
[INFO] running `Command { std: "docker" "start" "-a" "60e12914d62eea961793b38f502c2358a182cfb07af1b2f274efb907944babb6", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]     Checking bitflags v0.3.3
[INFO] [stderr]     Checking libc v0.1.12
[INFO] [stderr]     Checking sample v0.2.0
[INFO] [stderr]     Checking petgraph v0.1.18
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/petgraph-0.1.18/src/graph.rs:404:21
[INFO] [stdout]     |
[INFO] [stdout] 404 |         assert!(Ix::max().index() == !0 || NodeIndex::end() != node_idx);
[INFO] [stdout]     |                     ^^^ multiple `max` found
[INFO] [stdout]     |
[INFO] [stdout] note: candidate #1 is defined in the trait `IndexType`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/petgraph-0.1.18/src/graph.rs:28:5
[INFO] [stdout]     |
[INFO] [stdout] 28  |     fn max() -> Self;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: candidate #2 is defined in the trait `Ord`
[INFO] [stdout]    --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/core/src/cmp.rs:851:5
[INFO] [stdout] help: use fully-qualified syntax to disambiguate
[INFO] [stdout]     |
[INFO] [stdout] 404 |         assert!(<Ix as IndexType>::max().index() == !0 || NodeIndex::end() != node_idx);
[INFO] [stdout]     |                 ~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 404 |         assert!(Ord::max().index() == !0 || NodeIndex::end() != node_idx);
[INFO] [stdout]     |                 ~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/petgraph-0.1.18/src/graph.rs:404:38
[INFO] [stdout]     |
[INFO] [stdout] 352 | impl<N, E, Ty=Directed, Ix=DefIndex> Graph<N, E, Ty, Ix>
[INFO] [stdout]     |                         ----------- expected this type parameter
[INFO] [stdout] ...
[INFO] [stdout] 404 |         assert!(Ix::max().index() == !0 || NodeIndex::end() != node_idx);
[INFO] [stdout]     |                                      ^^ expected type parameter `Ix`, found integer
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected type parameter `Ix`
[INFO] [stdout]                          found type `{integer}`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/petgraph-0.1.18/src/graph.rs:438:21
[INFO] [stdout]     |
[INFO] [stdout] 438 |         assert!(Ix::max().index() == !0 || EdgeIndex::end() != edge_idx);
[INFO] [stdout]     |                     ^^^ multiple `max` found
[INFO] [stdout]     |
[INFO] [stdout] note: candidate #1 is defined in the trait `IndexType`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/petgraph-0.1.18/src/graph.rs:28:5
[INFO] [stdout]     |
[INFO] [stdout] 28  |     fn max() -> Self;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: candidate #2 is defined in the trait `Ord`
[INFO] [stdout]    --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/core/src/cmp.rs:851:5
[INFO] [stdout] help: use fully-qualified syntax to disambiguate
[INFO] [stdout]     |
[INFO] [stdout] 438 |         assert!(<Ix as IndexType>::max().index() == !0 || EdgeIndex::end() != edge_idx);
[INFO] [stdout]     |                 ~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 438 |         assert!(Ord::max().index() == !0 || EdgeIndex::end() != edge_idx);
[INFO] [stdout]     |                 ~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/petgraph-0.1.18/src/graph.rs:438:38
[INFO] [stdout]     |
[INFO] [stdout] 352 | impl<N, E, Ty=Directed, Ix=DefIndex> Graph<N, E, Ty, Ix>
[INFO] [stdout]     |                         ----------- expected this type parameter
[INFO] [stdout] ...
[INFO] [stdout] 438 |         assert!(Ix::max().index() == !0 || EdgeIndex::end() != edge_idx);
[INFO] [stdout]     |                                      ^^ expected type parameter `Ix`, found integer
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected type parameter `Ix`
[INFO] [stdout]                          found type `{integer}`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling portaudio v0.5.1
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0034, E0308.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0034`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `petgraph` (lib) due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "60e12914d62eea961793b38f502c2358a182cfb07af1b2f274efb907944babb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60e12914d62eea961793b38f502c2358a182cfb07af1b2f274efb907944babb6", kill_on_drop: false }`
[INFO] [stdout] 60e12914d62eea961793b38f502c2358a182cfb07af1b2f274efb907944babb6
[INFO] checking bit_crusher-0.2.0 against master#09bc67b9158392361780e779d32997f14cc75c39 for opaque-soundness-fix
[INFO] extracting crate bit_crusher 0.2.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate bit_crusher 0.2.0 on toolchain 09bc67b9158392361780e779d32997f14cc75c39
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bit_crusher 0.2.0
[INFO] finished tweaking crates.io crate bit_crusher 0.2.0
[INFO] tweaked toml for crates.io crate bit_crusher 0.2.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+09bc67b9158392361780e779d32997f14cc75c39" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 43ae375f81a191402ae8d113b015a7d12fb9182b4078552e5efffe46d224677a
[INFO] running `Command { std: "docker" "start" "-a" "43ae375f81a191402ae8d113b015a7d12fb9182b4078552e5efffe46d224677a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43ae375f81a191402ae8d113b015a7d12fb9182b4078552e5efffe46d224677a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43ae375f81a191402ae8d113b015a7d12fb9182b4078552e5efffe46d224677a", kill_on_drop: false }`
[INFO] [stdout] 43ae375f81a191402ae8d113b015a7d12fb9182b4078552e5efffe46d224677a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8292d5845f00943e42eee13dfebd51f8c89a4aeef449ca34b86a7f6ed195131
[INFO] running `Command { std: "docker" "start" "-a" "a8292d5845f00943e42eee13dfebd51f8c89a4aeef449ca34b86a7f6ed195131", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]     Checking bitflags v0.3.3
[INFO] [stderr]     Checking libc v0.1.12
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]     Checking sample v0.2.0
[INFO] [stderr]     Checking petgraph v0.1.18
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/petgraph-0.1.18/src/graph.rs:404:21
[INFO] [stdout]     |
[INFO] [stdout] 404 |         assert!(Ix::max().index() == !0 || NodeIndex::end() != node_idx);
[INFO] [stdout]     |                     ^^^ multiple `max` found
[INFO] [stdout]     |
[INFO] [stdout] note: candidate #1 is defined in the trait `IndexType`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/petgraph-0.1.18/src/graph.rs:28:5
[INFO] [stdout]     |
[INFO] [stdout] 28  |     fn max() -> Self;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: candidate #2 is defined in the trait `Ord`
[INFO] [stdout]    --> /rustc/09bc67b9158392361780e779d32997f14cc75c39/library/core/src/cmp.rs:851:5
[INFO] [stdout] help: use fully-qualified syntax to disambiguate
[INFO] [stdout]     |
[INFO] [stdout] 404 |         assert!(<Ix as IndexType>::max().index() == !0 || NodeIndex::end() != node_idx);
[INFO] [stdout]     |                 ~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 404 |         assert!(Ord::max().index() == !0 || NodeIndex::end() != node_idx);
[INFO] [stdout]     |                 ~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/petgraph-0.1.18/src/graph.rs:404:38
[INFO] [stdout]     |
[INFO] [stdout] 352 | impl<N, E, Ty=Directed, Ix=DefIndex> Graph<N, E, Ty, Ix>
[INFO] [stdout]     |                         ----------- expected this type parameter
[INFO] [stdout] ...
[INFO] [stdout] 404 |         assert!(Ix::max().index() == !0 || NodeIndex::end() != node_idx);
[INFO] [stdout]     |                                      ^^ expected type parameter `Ix`, found integer
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected type parameter `Ix`
[INFO] [stdout]                          found type `{integer}`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/petgraph-0.1.18/src/graph.rs:438:21
[INFO] [stdout]     |
[INFO] [stdout] 438 |         assert!(Ix::max().index() == !0 || EdgeIndex::end() != edge_idx);
[INFO] [stdout]     |                     ^^^ multiple `max` found
[INFO] [stdout]     |
[INFO] [stdout] note: candidate #1 is defined in the trait `IndexType`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/petgraph-0.1.18/src/graph.rs:28:5
[INFO] [stdout]     |
[INFO] [stdout] 28  |     fn max() -> Self;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: candidate #2 is defined in the trait `Ord`
[INFO] [stdout]    --> /rustc/09bc67b9158392361780e779d32997f14cc75c39/library/core/src/cmp.rs:851:5
[INFO] [stdout] help: use fully-qualified syntax to disambiguate
[INFO] [stdout]     |
[INFO] [stdout] 438 |         assert!(<Ix as IndexType>::max().index() == !0 || EdgeIndex::end() != edge_idx);
[INFO] [stdout]     |                 ~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 438 |         assert!(Ord::max().index() == !0 || EdgeIndex::end() != edge_idx);
[INFO] [stdout]     |                 ~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/petgraph-0.1.18/src/graph.rs:438:38
[INFO] [stdout]     |
[INFO] [stdout] 352 | impl<N, E, Ty=Directed, Ix=DefIndex> Graph<N, E, Ty, Ix>
[INFO] [stdout]     |                         ----------- expected this type parameter
[INFO] [stdout] ...
[INFO] [stdout] 438 |         assert!(Ix::max().index() == !0 || EdgeIndex::end() != edge_idx);
[INFO] [stdout]     |                                      ^^ expected type parameter `Ix`, found integer
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected type parameter `Ix`
[INFO] [stdout]                          found type `{integer}`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling portaudio v0.5.1
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0034, E0308.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0034`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `petgraph` (lib) due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "a8292d5845f00943e42eee13dfebd51f8c89a4aeef449ca34b86a7f6ed195131", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8292d5845f00943e42eee13dfebd51f8c89a4aeef449ca34b86a7f6ed195131", kill_on_drop: false }`
[INFO] [stdout] a8292d5845f00943e42eee13dfebd51f8c89a4aeef449ca34b86a7f6ed195131
