[INFO] cloning repository https://github.com/tathanhdinh/challenge
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tathanhdinh/challenge" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftathanhdinh%2Fchallenge", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftathanhdinh%2Fchallenge'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2510a1dc393c10616bfca414aa3a9ab11b83b09c
[INFO] testing tathanhdinh/challenge against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftathanhdinh%2Fchallenge" "/workspace/builds/worker-20/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-20/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tathanhdinh/challenge on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tathanhdinh/challenge
[INFO] finished tweaking git repo https://github.com/tathanhdinh/challenge
[INFO] tweaked toml for git repo https://github.com/tathanhdinh/challenge written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] crate git repo https://github.com/tathanhdinh/challenge already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8bdc2cc883e8d2e20a672511a2ec7e750576d7f9a1db46cae14a39ccac1b69aa
[INFO] running `Command { std: "docker" "start" "-a" "8bdc2cc883e8d2e20a672511a2ec7e750576d7f9a1db46cae14a39ccac1b69aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8bdc2cc883e8d2e20a672511a2ec7e750576d7f9a1db46cae14a39ccac1b69aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bdc2cc883e8d2e20a672511a2ec7e750576d7f9a1db46cae14a39ccac1b69aa", kill_on_drop: false }`
[INFO] [stdout] 8bdc2cc883e8d2e20a672511a2ec7e750576d7f9a1db46cae14a39ccac1b69aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d0d85011d6c26e67aad0ac1845db7a39d574f162f1fb8fcca930dca3b67cb82
[INFO] running `Command { std: "docker" "start" "-a" "9d0d85011d6c26e67aad0ac1845db7a39d574f162f1fb8fcca930dca3b67cb82", kill_on_drop: false }`
[INFO] [stderr]    Compiling fixedbitset v0.1.5
[INFO] [stderr]    Compiling libc v0.2.21
[INFO] [stderr]    Compiling cfg-if v0.1.0
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling ordermap v0.2.9
[INFO] [stderr]    Compiling lazy_static v0.2.6
[INFO] [stderr]    Compiling petgraph v0.4.4
[INFO] [stderr]    Compiling nix v0.8.0
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/petgraph-0.4.4/src/graph.rs:489:21
[INFO] [stdout]     |
[INFO] [stdout] 489 |         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/github.com-1ecc6299db9ec823/petgraph-0.4.4/src/graph.rs:47:5
[INFO] [stdout]     |
[INFO] [stdout] 47  |     fn max() -> Self;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: candidate #2 is defined in the trait `Ord`
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 489 |         assert!(<Ix as IndexType>::max().index() == !0 || NodeIndex::end() != node_idx);
[INFO] [stdout]     |                 ~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 489 |         assert!(<Ix as 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/github.com-1ecc6299db9ec823/petgraph-0.4.4/src/graph.rs:489:38
[INFO] [stdout]     |
[INFO] [stdout] 442 | impl<N, E, Ty, Ix> Graph<N, E, Ty, Ix>
[INFO] [stdout]     |                -- this type parameter
[INFO] [stdout] ...
[INFO] [stdout] 489 |         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/github.com-1ecc6299db9ec823/petgraph-0.4.4/src/graph.rs:526:21
[INFO] [stdout]     |
[INFO] [stdout] 526 |         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/github.com-1ecc6299db9ec823/petgraph-0.4.4/src/graph.rs:47:5
[INFO] [stdout]     |
[INFO] [stdout] 47  |     fn max() -> Self;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: candidate #2 is defined in the trait `Ord`
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 526 |         assert!(<Ix as IndexType>::max().index() == !0 || EdgeIndex::end() != edge_idx);
[INFO] [stdout]     |                 ~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 526 |         assert!(<Ix as 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/github.com-1ecc6299db9ec823/petgraph-0.4.4/src/graph.rs:526:38
[INFO] [stdout]     |
[INFO] [stdout] 442 | impl<N, E, Ty, Ix> Graph<N, E, Ty, Ix>
[INFO] [stdout]     |                -- this type parameter
[INFO] [stdout] ...
[INFO] [stdout] 526 |         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] [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` due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "9d0d85011d6c26e67aad0ac1845db7a39d574f162f1fb8fcca930dca3b67cb82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d0d85011d6c26e67aad0ac1845db7a39d574f162f1fb8fcca930dca3b67cb82", kill_on_drop: false }`
[INFO] [stdout] 9d0d85011d6c26e67aad0ac1845db7a39d574f162f1fb8fcca930dca3b67cb82