[INFO] fetching crate graph_kit 0.1.0...
[INFO] checking graph_kit-0.1.0 against try#a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399 for pr-145770
[INFO] extracting crate graph_kit 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate graph_kit 0.1.0
[INFO] finished tweaking crates.io crate graph_kit 0.1.0
[INFO] tweaked toml for crates.io crate graph_kit 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate graph_kit 0.1.0 on toolchain a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "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" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 34 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f21412f5f7156cb428e4d6da435a696d3f8d48ac9396351498b86212ab7cb05d
[INFO] running `Command { std: "docker" "start" "-a" "f21412f5f7156cb428e4d6da435a696d3f8d48ac9396351498b86212ab7cb05d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f21412f5f7156cb428e4d6da435a696d3f8d48ac9396351498b86212ab7cb05d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f21412f5f7156cb428e4d6da435a696d3f8d48ac9396351498b86212ab7cb05d", kill_on_drop: false }`
[INFO] [stdout] f21412f5f7156cb428e4d6da435a696d3f8d48ac9396351498b86212ab7cb05d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72111faf302e29e49c1fa728f7282758cf2fcf2db29877dfffc20ba9d222f952
[INFO] running `Command { std: "docker" "start" "-a" "72111faf302e29e49c1fa728f7282758cf2fcf2db29877dfffc20ba9d222f952", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]     Checking cfg-if v1.0.3
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rand_distr v0.5.1
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking algebra_kit v0.1.15
[INFO] [stderr]     Checking matrix_kit v0.2.34
[INFO] [stderr]     Checking graph_kit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `matrix_kit::dynamic::dmatrix`
[INFO] [stdout]  --> src/dynamic/graph.rs:3:26
[INFO] [stdout]   |
[INFO] [stdout] 3 | use matrix_kit::dynamic::dmatrix::*;
[INFO] [stdout]   |                          ^^^^^^^ could not find `dmatrix` in `dynamic`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `matrix_kit::dynamic::dmatrix`
[INFO] [stdout]  --> src/dynamic/graph.rs:3:26
[INFO] [stdout]   |
[INFO] [stdout] 3 | use matrix_kit::dynamic::dmatrix::*;
[INFO] [stdout]   |                          ^^^^^^^ could not find `dmatrix` in `dynamic`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `inherent_associated_types` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(inherent_associated_types)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #8995 <https://github.com/rust-lang/rust/issues/8995> for more information
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `inherent_associated_types` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(inherent_associated_types)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #8995 <https://github.com/rust-lang/rust/issues/8995> for more information
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]    --> src/dynamic/graph.rs:188:44
[INFO] [stdout]     |
[INFO] [stdout] 188 |         let mut visited = vec![None ; self.num_nodes()]; 
[INFO] [stdout]     |                                            ^^^^^^^^^ cannot infer type for type parameter `W`
[INFO] [stdout]     |
[INFO] [stdout]     = note: cannot satisfy `_: PoRing`
[INFO] [stdout]     = help: the following types implement trait `PoRing`:
[INFO] [stdout]               f32
[INFO] [stdout]               f64
[INFO] [stdout]               i128
[INFO] [stdout]               i16
[INFO] [stdout]               i32
[INFO] [stdout]               i64
[INFO] [stdout]               i8
[INFO] [stdout] note: required by a bound in `DiGraph::<W, Node>::num_nodes`
[INFO] [stdout]    --> src/dynamic/graph.rs:30:9
[INFO] [stdout]     |
[INFO] [stdout] 30  | impl<W: PoRing, Node: NodeType> DiGraph<W, Node> {
[INFO] [stdout]     |         ^^^^^^ required by this bound in `DiGraph::<W, Node>::num_nodes`
[INFO] [stdout] ...
[INFO] [stdout] 153 |     pub fn num_nodes(&self) -> usize {
[INFO] [stdout]     |            --------- required by a bound in this associated function
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]    --> src/dynamic/graph.rs:188:44
[INFO] [stdout]     |
[INFO] [stdout] 188 |         let mut visited = vec![None ; self.num_nodes()]; 
[INFO] [stdout]     |                                            ^^^^^^^^^ cannot infer type for type parameter `W`
[INFO] [stdout]     |
[INFO] [stdout]     = note: cannot satisfy `_: PoRing`
[INFO] [stdout]     = help: the following types implement trait `PoRing`:
[INFO] [stdout]               f32
[INFO] [stdout]               f64
[INFO] [stdout]               i128
[INFO] [stdout]               i16
[INFO] [stdout]               i32
[INFO] [stdout]               i64
[INFO] [stdout]               i8
[INFO] [stdout] note: required by a bound in `DiGraph::<W, Node>::num_nodes`
[INFO] [stdout]    --> src/dynamic/graph.rs:30:9
[INFO] [stdout]     |
[INFO] [stdout] 30  | impl<W: PoRing, Node: NodeType> DiGraph<W, Node> {
[INFO] [stdout]     |         ^^^^^^ required by this bound in `DiGraph::<W, Node>::num_nodes`
[INFO] [stdout] ...
[INFO] [stdout] 153 |     pub fn num_nodes(&self) -> usize {
[INFO] [stdout]     |            --------- required by a bound in this associated function
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]    --> src/dynamic/graph.rs:252:32
[INFO] [stdout]     |
[INFO] [stdout] 252 |         println!("{:?}", graph.bfs_search(&0, &2));
[INFO] [stdout]     |                                ^^^^^^^^^^ cannot infer type for type parameter `W`
[INFO] [stdout]     |
[INFO] [stdout]     = note: cannot satisfy `_: PoRing`
[INFO] [stdout]     = help: the following types implement trait `PoRing`:
[INFO] [stdout]               f32
[INFO] [stdout]               f64
[INFO] [stdout]               i128
[INFO] [stdout]               i16
[INFO] [stdout]               i32
[INFO] [stdout]               i64
[INFO] [stdout]               i8
[INFO] [stdout]     = note: associated types cannot be accessed directly on a `trait`, they can only be accessed through a specific `impl`
[INFO] [stdout] note: required by a bound in `DiGraph<W, Node>::Edge`
[INFO] [stdout]    --> src/dynamic/graph.rs:30:9
[INFO] [stdout]     |
[INFO] [stdout] 30  | impl<W: PoRing, Node: NodeType> DiGraph<W, Node> {
[INFO] [stdout]     |         ^^^^^^ required by this bound in `DiGraph<W, Node>::Edge`
[INFO] [stdout] 31  |
[INFO] [stdout] 32  |     pub type Edge = (Node, Node);
[INFO] [stdout]     |              ---- required by a bound in this associated type
[INFO] [stdout] help: use the fully qualified path to an implementation
[INFO] [stdout]     |
[INFO] [stdout] 252 -         println!("{:?}", graph.bfs_search(&0, &2));
[INFO] [stdout] 252 +         println!("{:?}", graph.<Type as PoRing>::Edge(&0, &2));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0283, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0283`.
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0283, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0283`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `graph_kit` (lib) due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `graph_kit` (lib test) due to 3 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "72111faf302e29e49c1fa728f7282758cf2fcf2db29877dfffc20ba9d222f952", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72111faf302e29e49c1fa728f7282758cf2fcf2db29877dfffc20ba9d222f952", kill_on_drop: false }`
[INFO] [stdout] 72111faf302e29e49c1fa728f7282758cf2fcf2db29877dfffc20ba9d222f952
