[INFO] fetching crate fin-part-ord 0.1.0...
[INFO] testing fin-part-ord-0.1.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate fin-part-ord 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate fin-part-ord 0.1.0
[INFO] finished tweaking crates.io crate fin-part-ord 0.1.0
[INFO] tweaked toml for crates.io crate fin-part-ord 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fin-part-ord 0.1.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 22 packages to latest compatible versions
[INFO] [stderr]       Adding daggy v0.8.1 (available: v0.9.0)
[INFO] [stderr]       Adding petgraph v0.6.5 (available: v0.8.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded daggy v0.8.1
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 12f8544a0934e33bef93fc6c4afeaa1fcdad12c925cb5f7d2abf4b09327da9c3
[INFO] running `Command { std: "docker" "start" "-a" "12f8544a0934e33bef93fc6c4afeaa1fcdad12c925cb5f7d2abf4b09327da9c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12f8544a0934e33bef93fc6c4afeaa1fcdad12c925cb5f7d2abf4b09327da9c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12f8544a0934e33bef93fc6c4afeaa1fcdad12c925cb5f7d2abf4b09327da9c3", kill_on_drop: false }`
[INFO] [stdout] 12f8544a0934e33bef93fc6c4afeaa1fcdad12c925cb5f7d2abf4b09327da9c3
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 877fd1e3ae380308d6ec167cb8413bc805d0673a80508ae65c258a4f7570c71a
[INFO] running `Command { std: "docker" "start" "-a" "877fd1e3ae380308d6ec167cb8413bc805d0673a80508ae65c258a4f7570c71a", kill_on_drop: false }`
[INFO] [stderr]    Compiling petgraph v0.7.1
[INFO] [stderr]    Compiling petgraph v0.6.5
[INFO] [stderr]    Compiling daggy v0.8.1
[INFO] [stderr]    Compiling fin-part-ord v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `dag::*`
[INFO] [stdout]  --> src/lib.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use dag::*;
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]   --> src/dag.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     #[must_use]
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]   --> src/pairs.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     #[must_use]
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Dag<T, ()>: petgraph::visit::Visitable` is not satisfied
[INFO] [stdout]    --> src/dag.rs:64:41
[INFO] [stdout]     |
[INFO] [stdout]  64 |                 let mut dfs = Dfs::new(&self.dag, *lo_idx);
[INFO] [stdout]     |                               --------  ^^^^^^^^ the trait `petgraph::visit::Visitable` is not implemented for `Dag<T, ()>`
[INFO] [stdout]     |                               |
[INFO] [stdout]     |                               required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout] note: there are multiple different versions of crate `petgraph` in the dependency graph
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/petgraph-0.6.5/src/visit/mod.rs:428:1
[INFO] [stdout]     |
[INFO] [stdout] 428 | / trait_template! {
[INFO] [stdout] 429 | | /// A graph that can create a map that tracks the visited status of its nodes.
[INFO] [stdout] 430 | | #[allow(clippy::needless_arbitrary_self_type)]
[INFO] [stdout] 431 | | pub trait Visitable : GraphBase {
[INFO] [stdout] ...   |
[INFO] [stdout] 441 | | }
[INFO] [stdout]     | |_^ this is the required trait
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/dag.rs:4:5
[INFO] [stdout]     |
[INFO] [stdout]   4 |   use daggy::{Dag, NodeIndex, WouldCycle};
[INFO] [stdout]     |       ----- one version of crate `petgraph` used here, as a dependency of crate `daggy`
[INFO] [stdout]   5 |   use petgraph::visit::Dfs;
[INFO] [stdout]     |       -------- one version of crate `petgraph` used here, as a direct dependency of the current crate
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/daggy-0.8.1/src/lib.rs:142:1
[INFO] [stdout]     |
[INFO] [stdout] 142 |   pub struct Dag<N, E, Ix: IndexType = DefaultIx> {
[INFO] [stdout]     |   ----------------------------------------------- this type doesn't implement the required trait
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/petgraph-0.7.1/src/visit/dfsvisit.rs:76:1
[INFO] [stdout]     |
[INFO] [stdout]  76 |   pub trait ControlFlow {
[INFO] [stdout]     |   --------------------- this is the found trait
[INFO] [stdout]     = help: you can use `cargo tree` to explore your dependency tree
[INFO] [stdout]     = note: required for `&Dag<T, ()>` to implement `petgraph::visit::Visitable`
[INFO] [stdout] note: required by a bound in `petgraph::visit::Dfs::<N, VM>::new`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/petgraph-0.6.5/src/visit/traversal.rs:65:23
[INFO] [stdout]     |
[INFO] [stdout]  63 |     pub fn new<G>(graph: G, start: N) -> Self
[INFO] [stdout]     |            --- required by a bound in this associated function
[INFO] [stdout]  64 |     where
[INFO] [stdout]  65 |         G: GraphRef + Visitable<NodeId = N, Map = VM>,
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Dfs::<N, VM>::new`
[INFO] [stdout]     = note: this error originates in the macro `trait_template` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Dag<T, ()>: petgraph::visit::IntoNeighbors` is not satisfied
[INFO] [stdout]    --> src/dag.rs:65:47
[INFO] [stdout]     |
[INFO] [stdout]  65 |                 while let Some(n) = dfs.next(&self.dag) {
[INFO] [stdout]     |                                         ----  ^^^^^^^^ the trait `petgraph::visit::IntoNeighbors` is not implemented for `Dag<T, ()>`
[INFO] [stdout]     |                                         |
[INFO] [stdout]     |                                         required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout] note: there are multiple different versions of crate `petgraph` in the dependency graph
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/petgraph-0.6.5/src/visit/mod.rs:108:1
[INFO] [stdout]     |
[INFO] [stdout] 108 | / trait_template! {
[INFO] [stdout] 109 | | /// Access to the neighbors of each node
[INFO] [stdout] 110 | | ///
[INFO] [stdout] 111 | | /// The neighbors are, depending on the graph’s edge type:
[INFO] [stdout] ...   |
[INFO] [stdout] 122 | | }
[INFO] [stdout]     | |_^ this is the required trait
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/dag.rs:4:5
[INFO] [stdout]     |
[INFO] [stdout]   4 |   use daggy::{Dag, NodeIndex, WouldCycle};
[INFO] [stdout]     |       ----- one version of crate `petgraph` used here, as a dependency of crate `daggy`
[INFO] [stdout]   5 |   use petgraph::visit::Dfs;
[INFO] [stdout]     |       -------- one version of crate `petgraph` used here, as a direct dependency of the current crate
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/daggy-0.8.1/src/lib.rs:142:1
[INFO] [stdout]     |
[INFO] [stdout] 142 |   pub struct Dag<N, E, Ix: IndexType = DefaultIx> {
[INFO] [stdout]     |   ----------------------------------------------- this type doesn't implement the required trait
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/petgraph-0.7.1/src/visit/dfsvisit.rs:76:1
[INFO] [stdout]     |
[INFO] [stdout]  76 |   pub trait ControlFlow {
[INFO] [stdout]     |   --------------------- this is the found trait
[INFO] [stdout]     = help: you can use `cargo tree` to explore your dependency tree
[INFO] [stdout]     = note: required for `&Dag<T, ()>` to implement `petgraph::visit::IntoNeighbors`
[INFO] [stdout] note: required by a bound in `petgraph::visit::Dfs::<N, VM>::next`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/petgraph-0.6.5/src/visit/traversal.rs:107:12
[INFO] [stdout]     |
[INFO] [stdout] 105 |     pub fn next<G>(&mut self, graph: G) -> Option<N>
[INFO] [stdout]     |            ---- required by a bound in this associated function
[INFO] [stdout] 106 |     where
[INFO] [stdout] 107 |         G: IntoNeighbors<NodeId = N>,
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Dfs::<N, VM>::next`
[INFO] [stdout]     = note: this error originates in the macro `trait_template` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fin-part-ord` (lib) due to 2 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "877fd1e3ae380308d6ec167cb8413bc805d0673a80508ae65c258a4f7570c71a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "877fd1e3ae380308d6ec167cb8413bc805d0673a80508ae65c258a4f7570c71a", kill_on_drop: false }`
[INFO] [stdout] 877fd1e3ae380308d6ec167cb8413bc805d0673a80508ae65c258a4f7570c71a
