[INFO] cloning repository https://github.com/ABorgna/hermit-q
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ABorgna/hermit-q" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FABorgna%2Fhermit-q", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FABorgna%2Fhermit-q'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b096c19d700fac2844c4f4ba205e86b38bc53f4d
[INFO] checking ABorgna/hermit-q against try#f77b5bc6c7c84df104f86b0dd01d9490e3923fa8 for pr-147834
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FABorgna%2Fhermit-q" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ABorgna/hermit-q
[INFO] finished tweaking git repo https://github.com/ABorgna/hermit-q
[INFO] tweaked toml for git repo https://github.com/ABorgna/hermit-q written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ABorgna/hermit-q on toolchain f77b5bc6c7c84df104f86b0dd01d9490e3923fa8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ABorgna/hermit-q already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd0d37d4a5cfe970739ef247cd7bbccb31ea0bb88d950a2fe1f1d196dfaf21c5
[INFO] running `Command { std: "docker" "start" "-a" "fd0d37d4a5cfe970739ef247cd7bbccb31ea0bb88d950a2fe1f1d196dfaf21c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd0d37d4a5cfe970739ef247cd7bbccb31ea0bb88d950a2fe1f1d196dfaf21c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd0d37d4a5cfe970739ef247cd7bbccb31ea0bb88d950a2fe1f1d196dfaf21c5", kill_on_drop: false }`
[INFO] [stdout] fd0d37d4a5cfe970739ef247cd7bbccb31ea0bb88d950a2fe1f1d196dfaf21c5
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bbb235fdd25caf6f9d7c4f48d7c2a078c2733fd289d97ed12b4c7f85b996815b
[INFO] running `Command { std: "docker" "start" "-a" "bbb235fdd25caf6f9d7c4f48d7c2a078c2733fd289d97ed12b4c7f85b996815b", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]     Checking counter v0.5.2
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking fraction v0.8.0
[INFO] [stderr]     Checking hermitq v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0271]: expected `Iter<'a, NodeIndex<Ix>>` to be an iterator that yields `EdgeIndex<Ix>`, but it yields `&NodeIndex<Ix>`
[INFO] [stdout]   --> src/zx/simple_graph.rs:68:26
[INFO] [stdout]    |
[INFO] [stdout] 68 |     type InputIterator = hash_set::Iter<'a, petgraph::graph::NodeIndex<Ix>>;
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `EdgeIndex<Ix>`, found `&NodeIndex<Ix>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `EdgeIndex<Ix>`
[INFO] [stdout]            found reference `&'a NodeIndex<Ix>`
[INFO] [stdout] note: required by a bound in `zx::graph::Graph::InputIterator`
[INFO] [stdout]   --> src/zx/graph.rs:71:34
[INFO] [stdout]    |
[INFO] [stdout] 71 |     type InputIterator: Iterator<Item = Self::EdgeIx>;
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^ required by this bound in `Graph::InputIterator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: expected `Iter<'a, NodeIndex<Ix>>` to be an iterator that yields `EdgeIndex<Ix>`, but it yields `&NodeIndex<Ix>`
[INFO] [stdout]   --> src/zx/simple_graph.rs:68:26
[INFO] [stdout]    |
[INFO] [stdout] 68 |     type InputIterator = hash_set::Iter<'a, petgraph::graph::NodeIndex<Ix>>;
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `EdgeIndex<Ix>`, found `&NodeIndex<Ix>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `EdgeIndex<Ix>`
[INFO] [stdout]            found reference `&'a NodeIndex<Ix>`
[INFO] [stdout] note: required by a bound in `zx::graph::Graph::InputIterator`
[INFO] [stdout]   --> src/zx/graph.rs:71:34
[INFO] [stdout]    |
[INFO] [stdout] 71 |     type InputIterator: Iterator<Item = Self::EdgeIx>;
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^ required by this bound in `Graph::InputIterator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: expected `Iter<'a, NodeIndex<Ix>>` to be an iterator that yields `NodeIndex<Ix>`, but it yields `&NodeIndex<Ix>`
[INFO] [stdout]   --> src/zx/simple_graph.rs:70:27
[INFO] [stdout]    |
[INFO] [stdout] 70 |     type OutputIterator = hash_set::Iter<'a, petgraph::graph::NodeIndex<Ix>>;
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `NodeIndex<Ix>`, found `&NodeIndex<Ix>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `NodeIndex<_>`
[INFO] [stdout]            found reference `&'a NodeIndex<_>`
[INFO] [stdout] note: required by a bound in `zx::graph::Graph::OutputIterator`
[INFO] [stdout]   --> src/zx/graph.rs:72:35
[INFO] [stdout]    |
[INFO] [stdout] 72 |     type OutputIterator: Iterator<Item = Self::VertexIx>;
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Graph::OutputIterator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: expected `Iter<'a, NodeIndex<Ix>>` to be an iterator that yields `NodeIndex<Ix>`, but it yields `&NodeIndex<Ix>`
[INFO] [stdout]   --> src/zx/simple_graph.rs:70:27
[INFO] [stdout]    |
[INFO] [stdout] 70 |     type OutputIterator = hash_set::Iter<'a, petgraph::graph::NodeIndex<Ix>>;
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `NodeIndex<Ix>`, found `&NodeIndex<Ix>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `NodeIndex<_>`
[INFO] [stdout]            found reference `&'a NodeIndex<_>`
[INFO] [stdout] note: required by a bound in `zx::graph::Graph::OutputIterator`
[INFO] [stdout]   --> src/zx/graph.rs:72:35
[INFO] [stdout]    |
[INFO] [stdout] 72 |     type OutputIterator: Iterator<Item = Self::VertexIx>;
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Graph::OutputIterator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/zx/simple_graph.rs:74:29
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn set_input(&mut self, v: Self::VertexIx, flag: bool) {
[INFO] [stdout]    |                             ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `flag`
[INFO] [stdout]   --> src/zx/simple_graph.rs:74:48
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn set_input(&mut self, v: Self::VertexIx, flag: bool) {
[INFO] [stdout]    |                                                ^^^^ help: if this is intentional, prefix it with an underscore: `_flag`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/zx/simple_graph.rs:78:30
[INFO] [stdout]    |
[INFO] [stdout] 78 |     fn set_output(&mut self, v: Self::VertexIx, flag: bool) {
[INFO] [stdout]    |                              ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `flag`
[INFO] [stdout]   --> src/zx/simple_graph.rs:78:49
[INFO] [stdout]    |
[INFO] [stdout] 78 |     fn set_output(&mut self, v: Self::VertexIx, flag: bool) {
[INFO] [stdout]    |                                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_flag`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/zx/simple_graph.rs:82:24
[INFO] [stdout]    |
[INFO] [stdout] 82 |     fn is_input(&self, v: Self::VertexIx) -> bool {
[INFO] [stdout]    |                        ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/zx/simple_graph.rs:86:25
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn is_output(&self, v: Self::VertexIx) -> bool {
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/zx/simple_graph.rs:150:27
[INFO] [stdout]     |
[INFO] [stdout] 150 |     fn compose(&mut self, other: Self) {
[INFO] [stdout]     |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/zx/simple_graph.rs:154:26
[INFO] [stdout]     |
[INFO] [stdout] 154 |     fn tensor(&mut self, other: Self) {
[INFO] [stdout]     |                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0271`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hermitq` (lib test) due to 2 previous errors; 8 warnings emitted
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/zx/simple_graph.rs:74:29
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn set_input(&mut self, v: Self::VertexIx, flag: bool) {
[INFO] [stdout]    |                             ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `flag`
[INFO] [stdout]   --> src/zx/simple_graph.rs:74:48
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn set_input(&mut self, v: Self::VertexIx, flag: bool) {
[INFO] [stdout]    |                                                ^^^^ help: if this is intentional, prefix it with an underscore: `_flag`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/zx/simple_graph.rs:78:30
[INFO] [stdout]    |
[INFO] [stdout] 78 |     fn set_output(&mut self, v: Self::VertexIx, flag: bool) {
[INFO] [stdout]    |                              ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `flag`
[INFO] [stdout]   --> src/zx/simple_graph.rs:78:49
[INFO] [stdout]    |
[INFO] [stdout] 78 |     fn set_output(&mut self, v: Self::VertexIx, flag: bool) {
[INFO] [stdout]    |                                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_flag`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/zx/simple_graph.rs:82:24
[INFO] [stdout]    |
[INFO] [stdout] 82 |     fn is_input(&self, v: Self::VertexIx) -> bool {
[INFO] [stdout]    |                        ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/zx/simple_graph.rs:86:25
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn is_output(&self, v: Self::VertexIx) -> bool {
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/zx/simple_graph.rs:150:27
[INFO] [stdout]     |
[INFO] [stdout] 150 |     fn compose(&mut self, other: Self) {
[INFO] [stdout]     |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/zx/simple_graph.rs:154:26
[INFO] [stdout]     |
[INFO] [stdout] 154 |     fn tensor(&mut self, other: Self) {
[INFO] [stdout]     |                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0271`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hermitq` (lib) due to 2 previous errors; 8 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "bbb235fdd25caf6f9d7c4f48d7c2a078c2733fd289d97ed12b4c7f85b996815b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbb235fdd25caf6f9d7c4f48d7c2a078c2733fd289d97ed12b4c7f85b996815b", kill_on_drop: false }`
[INFO] [stdout] bbb235fdd25caf6f9d7c4f48d7c2a078c2733fd289d97ed12b4c7f85b996815b
