[INFO] cloning repository https://github.com/MilkBlock/dagviz
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MilkBlock/dagviz" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMilkBlock%2Fdagviz", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMilkBlock%2Fdagviz'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 77ff691a620619b15ecca1fe62b9e312e9e6d4a2
[INFO] testing MilkBlock/dagviz against master#0d162b25edd5bf0dba9a22e83b614f1113e90474 for pr-150681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMilkBlock%2Fdagviz" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/MilkBlock/dagviz
[INFO] finished tweaking git repo https://github.com/MilkBlock/dagviz
[INFO] tweaked toml for git repo https://github.com/MilkBlock/dagviz written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/MilkBlock/dagviz on toolchain 0d162b25edd5bf0dba9a22e83b614f1113e90474
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/MilkBlock/dagviz 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" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ordered_hashmap v0.0.3
[INFO] [stderr]   Downloaded graphlib_rust v0.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f2847a6f393a87b16d9b0ab649c146907853c3ff6f123573b70d5d7d7caf666
[INFO] running `Command { std: "docker" "start" "-a" "4f2847a6f393a87b16d9b0ab649c146907853c3ff6f123573b70d5d7d7caf666", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f2847a6f393a87b16d9b0ab649c146907853c3ff6f123573b70d5d7d7caf666", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f2847a6f393a87b16d9b0ab649c146907853c3ff6f123573b70d5d7d7caf666", kill_on_drop: false }`
[INFO] [stdout] 4f2847a6f393a87b16d9b0ab649c146907853c3ff6f123573b70d5d7d7caf666
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 69b3f8fd731520fd2e3563cc7bdc6ecf2a42528f299963ce87241b2f501e3686
[INFO] running `Command { std: "docker" "start" "-a" "69b3f8fd731520fd2e3563cc7bdc6ecf2a42528f299963ce87241b2f501e3686", kill_on_drop: false }`
[INFO] [stderr]    Compiling ordered_hashmap v0.0.3
[INFO] [stderr]    Compiling graphlib_rust v0.0.2
[INFO] [stderr]    Compiling dagviz v0.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `prev_north_pos` is assigned to, but never used
[INFO] [stdout]    --> src/layout/position/bk.rs:128:13
[INFO] [stdout]     |
[INFO] [stdout] 128 |         let mut prev_north_pos = -1;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_prev_north_pos` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `prev_north_pos` is never read
[INFO] [stdout]    --> src/layout/position/bk.rs:153:29
[INFO] [stdout]     |
[INFO] [stdout] 153 | ...                   prev_north_pos = next_north_pos.clone();
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `delta` is never read
[INFO] [stdout]    --> src/layout/position/bk.rs:708:13
[INFO] [stdout]     |
[INFO] [stdout] 708 |             delta = 0.0;
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e1`
[INFO] [stdout]    --> src/layout/rank/feasible_tree.rs:119:19
[INFO] [stdout]     |
[INFO] [stdout] 119 |         .min_by(|(e1, e1_), (e2, e2_)| {
[INFO] [stdout]     |                   ^^ help: if this is intentional, prefix it with an underscore: `_e1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e2`
[INFO] [stdout]    --> src/layout/rank/feasible_tree.rs:119:30
[INFO] [stdout]     |
[INFO] [stdout] 119 |         .min_by(|(e1, e1_), (e2, e2_)| {
[INFO] [stdout]     |                              ^^ help: if this is intentional, prefix it with an underscore: `_e2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/layout/rank/feasible_tree.rs:118:19
[INFO] [stdout]     |
[INFO] [stdout] 118 |         .filter(|(e, e_)| e_.is_some())
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/ordered_hashmap/mod.rs:187:18
[INFO] [stdout]     |
[INFO] [stdout] 187 |     pub fn entry(&mut self, key: K) -> Entry<K, V> {
[INFO] [stdout]     |                  ^^^^^^^^^             ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 187 |     pub fn entry(&mut self, key: K) -> Entry<'_, K, V> {
[INFO] [stdout]     |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.39s
[INFO] running `Command { std: "docker" "inspect" "69b3f8fd731520fd2e3563cc7bdc6ecf2a42528f299963ce87241b2f501e3686", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69b3f8fd731520fd2e3563cc7bdc6ecf2a42528f299963ce87241b2f501e3686", kill_on_drop: false }`
[INFO] [stdout] 69b3f8fd731520fd2e3563cc7bdc6ecf2a42528f299963ce87241b2f501e3686
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9e712babbb6e4b157742d83e65e762779074ec0a97f215d2d0ef76a18855b57
[INFO] running `Command { std: "docker" "start" "-a" "f9e712babbb6e4b157742d83e65e762779074ec0a97f215d2d0ef76a18855b57", kill_on_drop: false }`
[INFO] [stdout] warning: variable `prev_north_pos` is assigned to, but never used
[INFO] [stdout]    --> src/layout/position/bk.rs:128:13
[INFO] [stdout]     |
[INFO] [stdout] 128 |         let mut prev_north_pos = -1;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_prev_north_pos` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `prev_north_pos` is never read
[INFO] [stdout]    --> src/layout/position/bk.rs:153:29
[INFO] [stdout]     |
[INFO] [stdout] 153 | ...                   prev_north_pos = next_north_pos.clone();
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `delta` is never read
[INFO] [stdout]    --> src/layout/position/bk.rs:708:13
[INFO] [stdout]     |
[INFO] [stdout] 708 |             delta = 0.0;
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e1`
[INFO] [stdout]    --> src/layout/rank/feasible_tree.rs:119:19
[INFO] [stdout]     |
[INFO] [stdout] 119 |         .min_by(|(e1, e1_), (e2, e2_)| {
[INFO] [stdout]     |                   ^^ help: if this is intentional, prefix it with an underscore: `_e1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e2`
[INFO] [stdout]    --> src/layout/rank/feasible_tree.rs:119:30
[INFO] [stdout]     |
[INFO] [stdout] 119 |         .min_by(|(e1, e1_), (e2, e2_)| {
[INFO] [stdout]     |                              ^^ help: if this is intentional, prefix it with an underscore: `_e2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/layout/rank/feasible_tree.rs:118:19
[INFO] [stdout]     |
[INFO] [stdout] 118 |         .filter(|(e, e_)| e_.is_some())
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/ordered_hashmap/mod.rs:187:18
[INFO] [stdout]     |
[INFO] [stdout] 187 |     pub fn entry(&mut self, key: K) -> Entry<K, V> {
[INFO] [stdout]     |                  ^^^^^^^^^             ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 187 |     pub fn entry(&mut self, key: K) -> Entry<'_, K, V> {
[INFO] [stdout]     |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling dagviz v0.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `prev_north_pos` is assigned to, but never used
[INFO] [stdout]    --> src/layout/position/bk.rs:128:13
[INFO] [stdout]     |
[INFO] [stdout] 128 |         let mut prev_north_pos = -1;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_prev_north_pos` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `prev_north_pos` is never read
[INFO] [stdout]    --> src/layout/position/bk.rs:153:29
[INFO] [stdout]     |
[INFO] [stdout] 153 | ...                   prev_north_pos = next_north_pos.clone();
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `delta` is never read
[INFO] [stdout]    --> src/layout/position/bk.rs:708:13
[INFO] [stdout]     |
[INFO] [stdout] 708 |             delta = 0.0;
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e1`
[INFO] [stdout]    --> src/layout/rank/feasible_tree.rs:119:19
[INFO] [stdout]     |
[INFO] [stdout] 119 |         .min_by(|(e1, e1_), (e2, e2_)| {
[INFO] [stdout]     |                   ^^ help: if this is intentional, prefix it with an underscore: `_e1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e2`
[INFO] [stdout]    --> src/layout/rank/feasible_tree.rs:119:30
[INFO] [stdout]     |
[INFO] [stdout] 119 |         .min_by(|(e1, e1_), (e2, e2_)| {
[INFO] [stdout]     |                              ^^ help: if this is intentional, prefix it with an underscore: `_e2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/layout/rank/feasible_tree.rs:118:19
[INFO] [stdout]     |
[INFO] [stdout] 118 |         .filter(|(e, e_)| e_.is_some())
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/ordered_hashmap/mod.rs:187:18
[INFO] [stdout]     |
[INFO] [stdout] 187 |     pub fn entry(&mut self, key: K) -> Entry<K, V> {
[INFO] [stdout]     |                  ^^^^^^^^^             ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 187 |     pub fn entry(&mut self, key: K) -> Entry<'_, K, V> {
[INFO] [stdout]     |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "f9e712babbb6e4b157742d83e65e762779074ec0a97f215d2d0ef76a18855b57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9e712babbb6e4b157742d83e65e762779074ec0a97f215d2d0ef76a18855b57", kill_on_drop: false }`
[INFO] [stdout] f9e712babbb6e4b157742d83e65e762779074ec0a97f215d2d0ef76a18855b57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 11fca6aa2c4104c5a02b60db2a9ecd491927bea1031db12d00dcfcd9ff43f13a
[INFO] running `Command { std: "docker" "start" "-a" "11fca6aa2c4104c5a02b60db2a9ecd491927bea1031db12d00dcfcd9ff43f13a", kill_on_drop: false }`
[INFO] [stderr] warning: variable `prev_north_pos` is assigned to, but never used
[INFO] [stderr]    --> src/layout/position/bk.rs:128:13
[INFO] [stderr]     |
[INFO] [stderr] 128 |         let mut prev_north_pos = -1;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_prev_north_pos` instead
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `prev_north_pos` is never read
[INFO] [stderr]    --> src/layout/position/bk.rs:153:29
[INFO] [stderr]     |
[INFO] [stderr] 153 | ...                   prev_north_pos = next_north_pos.clone();
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `delta` is never read
[INFO] [stderr]    --> src/layout/position/bk.rs:708:13
[INFO] [stderr]     |
[INFO] [stderr] 708 |             delta = 0.0;
[INFO] [stderr]     |             ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e1`
[INFO] [stderr]    --> src/layout/rank/feasible_tree.rs:119:19
[INFO] [stderr]     |
[INFO] [stderr] 119 |         .min_by(|(e1, e1_), (e2, e2_)| {
[INFO] [stderr]     |                   ^^ help: if this is intentional, prefix it with an underscore: `_e1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e2`
[INFO] [stderr]    --> src/layout/rank/feasible_tree.rs:119:30
[INFO] [stderr]     |
[INFO] [stderr] 119 |         .min_by(|(e1, e1_), (e2, e2_)| {
[INFO] [stderr]     |                              ^^ help: if this is intentional, prefix it with an underscore: `_e2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/layout/rank/feasible_tree.rs:118:19
[INFO] [stderr]     |
[INFO] [stderr] 118 |         .filter(|(e, e_)| e_.is_some())
[INFO] [stderr]     |                   ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/ordered_hashmap/mod.rs:187:18
[INFO] [stderr]     |
[INFO] [stderr] 187 |     pub fn entry(&mut self, key: K) -> Entry<K, V> {
[INFO] [stderr]     |                  ^^^^^^^^^             ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                  |
[INFO] [stderr]     |                  the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 187 |     pub fn entry(&mut self, key: K) -> Entry<'_, K, V> {
[INFO] [stderr]     |                                              +++
[INFO] [stderr] 
[INFO] [stderr] warning: `dagviz` (lib) generated 7 warnings (run `cargo fix --lib -p dagviz` to apply 4 suggestions)
[INFO] [stderr] warning: `dagviz` (lib test) generated 7 warnings (7 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/dagviz-3b42e2b3cb969079)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dagviz
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test src/ordered_hashmap/mod.rs - ordered_hashmap::OrderedHashMap<K,V>::get_mut (line 93) ... FAILED
[INFO] [stdout] test src/ordered_hashmap/mod.rs - ordered_hashmap::OrderedHashMap<K,V>::into_values (line 221) ... FAILED
[INFO] [stdout] test src/ordered_hashmap/mod.rs - ordered_hashmap::OrderedHashMap<K,V>::entry (line 180) ... FAILED
[INFO] [stdout] test src/ordered_hashmap/mod.rs - ordered_hashmap::OrderedHashMap<K,V>::contains_key (line 33) ... FAILED
[INFO] [stdout] test src/ordered_hashmap/mod.rs - ordered_hashmap::OrderedHashMap<K,V>::iter (line 162) ... FAILED
[INFO] [stdout] test src/ordered_hashmap/mod.rs - ordered_hashmap::OrderedHashMap<K,V>::keys (line 146) ... FAILED
[INFO] [stdout] test src/ordered_hashmap/mod.rs - ordered_hashmap::OrderedHashMap<K,V>::extend (line 250) ... FAILED
[INFO] [stdout] test src/ordered_hashmap/mod.rs - ordered_hashmap::OrderedHashMap<K,V>::insert (line 48) ... FAILED
[INFO] [stdout] test src/ordered_hashmap/mod.rs - ordered_hashmap::OrderedHashMap<K,V>::iter_mut (line 201) ... FAILED
[INFO] [stdout] test src/ordered_hashmap/mod.rs - ordered_hashmap::OrderedHashMap<K,V>::values_mut (line 126) ... FAILED
[INFO] [stdout] test src/ordered_hashmap/mod.rs - ordered_hashmap::OrderedHashMap<K,V>::remove (line 65) ... FAILED
[INFO] [stdout] test src/ordered_hashmap/mod.rs - ordered_hashmap::OrderedHashMap<K,V>::get (line 80) ... FAILED
[INFO] [stdout] test src/ordered_hashmap/mod.rs - ordered_hashmap::OrderedHashMap<K,V>::new (line 18) ... FAILED
[INFO] [stdout] test src/ordered_hashmap/mod.rs - ordered_hashmap::OrderedHashMap<K,V>::values (line 110) ... FAILED
[INFO] [stdout] test src/ordered_hashmap/mod.rs - ordered_hashmap::OrderedHashMap<K,V>::len (line 277) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/ordered_hashmap/mod.rs - ordered_hashmap::OrderedHashMap<K,V>::get_mut (line 93) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `ordered_hashmap`
[INFO] [stdout]   --> src/ordered_hashmap/mod.rs:94:5
[INFO] [stdout]    |
[INFO] [stdout] 94 | use ordered_hashmap::OrderedHashMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `ordered_hashmap`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `ordered_hashmap`, use `cargo add ordered_hashmap` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/ordered_hashmap/mod.rs - ordered_hashmap::OrderedHashMap<K,V>::into_values (line 221) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `ordered_hashmap`
[INFO] [stdout]    --> src/ordered_hashmap/mod.rs:222:5
[INFO] [stdout]     |
[INFO] [stdout] 222 | use ordered_hashmap::OrderedHashMap;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `ordered_hashmap`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `ordered_hashmap`, use `cargo add ordered_hashmap` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/ordered_hashmap/mod.rs - ordered_hashmap::OrderedHashMap<K,V>::entry (line 180) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `ordered_hashmap`
[INFO] [stdout]    --> src/ordered_hashmap/mod.rs:181:5
[INFO] [stdout]     |
[INFO] [stdout] 181 | use ordered_hashmap::OrderedHashMap;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `ordered_hashmap`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `ordered_hashmap`, use `cargo add ordered_hashmap` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/ordered_hashmap/mod.rs - ordered_hashmap::OrderedHashMap<K,V>::contains_key (line 33) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `ordered_hashmap`
[INFO] [stdout]   --> src/ordered_hashmap/mod.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | use ordered_hashmap::OrderedHashMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `ordered_hashmap`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `ordered_hashmap`, use `cargo add ordered_hashmap` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/ordered_hashmap/mod.rs - ordered_hashmap::OrderedHashMap<K,V>::iter (line 162) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `ordered_hashmap`
[INFO] [stdout]    --> src/ordered_hashmap/mod.rs:163:5
[INFO] [stdout]     |
[INFO] [stdout] 163 | use ordered_hashmap::OrderedHashMap;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `ordered_hashmap`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `ordered_hashmap`, use `cargo add ordered_hashmap` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/ordered_hashmap/mod.rs - ordered_hashmap::OrderedHashMap<K,V>::keys (line 146) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `ordered_hashmap`
[INFO] [stdout]    --> src/ordered_hashmap/mod.rs:147:5
[INFO] [stdout]     |
[INFO] [stdout] 147 | use ordered_hashmap::OrderedHashMap;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `ordered_hashmap`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `ordered_hashmap`, use `cargo add ordered_hashmap` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/ordered_hashmap/mod.rs - ordered_hashmap::OrderedHashMap<K,V>::extend (line 250) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `ordered_hashmap`
[INFO] [stdout]    --> src/ordered_hashmap/mod.rs:251:5
[INFO] [stdout]     |
[INFO] [stdout] 251 | use ordered_hashmap::OrderedHashMap;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `ordered_hashmap`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `ordered_hashmap`, use `cargo add ordered_hashmap` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/ordered_hashmap/mod.rs - ordered_hashmap::OrderedHashMap<K,V>::insert (line 48) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `ordered_hashmap`
[INFO] [stdout]   --> src/ordered_hashmap/mod.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | use ordered_hashmap::OrderedHashMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `ordered_hashmap`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `ordered_hashmap`, use `cargo add ordered_hashmap` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/ordered_hashmap/mod.rs - ordered_hashmap::OrderedHashMap<K,V>::iter_mut (line 201) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `ordered_hashmap`
[INFO] [stdout]    --> src/ordered_hashmap/mod.rs:202:5
[INFO] [stdout]     |
[INFO] [stdout] 202 | use ordered_hashmap::OrderedHashMap;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `ordered_hashmap`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `ordered_hashmap`, use `cargo add ordered_hashmap` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/ordered_hashmap/mod.rs - ordered_hashmap::OrderedHashMap<K,V>::values_mut (line 126) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `ordered_hashmap`
[INFO] [stdout]    --> src/ordered_hashmap/mod.rs:127:5
[INFO] [stdout]     |
[INFO] [stdout] 127 | use ordered_hashmap::OrderedHashMap;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `ordered_hashmap`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `ordered_hashmap`, use `cargo add ordered_hashmap` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/ordered_hashmap/mod.rs - ordered_hashmap::OrderedHashMap<K,V>::remove (line 65) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `ordered_hashmap`
[INFO] [stdout]   --> src/ordered_hashmap/mod.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 | use ordered_hashmap::OrderedHashMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `ordered_hashmap`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `ordered_hashmap`, use `cargo add ordered_hashmap` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/ordered_hashmap/mod.rs - ordered_hashmap::OrderedHashMap<K,V>::get (line 80) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `ordered_hashmap`
[INFO] [stdout]   --> src/ordered_hashmap/mod.rs:81:5
[INFO] [stdout]    |
[INFO] [stdout] 81 | use ordered_hashmap::OrderedHashMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `ordered_hashmap`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `ordered_hashmap`, use `cargo add ordered_hashmap` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/ordered_hashmap/mod.rs - ordered_hashmap::OrderedHashMap<K,V>::new (line 18) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `ordered_hashmap`
[INFO] [stdout]   --> src/ordered_hashmap/mod.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use ordered_hashmap::OrderedHashMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `ordered_hashmap`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `ordered_hashmap`, use `cargo add ordered_hashmap` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/ordered_hashmap/mod.rs - ordered_hashmap::OrderedHashMap<K,V>::values (line 110) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `ordered_hashmap`
[INFO] [stdout]    --> src/ordered_hashmap/mod.rs:111:5
[INFO] [stdout]     |
[INFO] [stdout] 111 | use ordered_hashmap::OrderedHashMap;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `ordered_hashmap`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `ordered_hashmap`, use `cargo add ordered_hashmap` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/ordered_hashmap/mod.rs - ordered_hashmap::OrderedHashMap<K,V>::len (line 277) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `ordered_hashmap`
[INFO] [stdout]    --> src/ordered_hashmap/mod.rs:278:5
[INFO] [stdout]     |
[INFO] [stdout] 278 | use ordered_hashmap::OrderedHashMap;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `ordered_hashmap`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `ordered_hashmap`, use `cargo add ordered_hashmap` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/ordered_hashmap/mod.rs - ordered_hashmap::OrderedHashMap<K,V>::contains_key (line 33)
[INFO] [stdout]     src/ordered_hashmap/mod.rs - ordered_hashmap::OrderedHashMap<K,V>::entry (line 180)
[INFO] [stdout]     src/ordered_hashmap/mod.rs - ordered_hashmap::OrderedHashMap<K,V>::extend (line 250)
[INFO] [stdout]     src/ordered_hashmap/mod.rs - ordered_hashmap::OrderedHashMap<K,V>::get (line 80)
[INFO] [stdout]     src/ordered_hashmap/mod.rs - ordered_hashmap::OrderedHashMap<K,V>::get_mut (line 93)
[INFO] [stdout]     src/ordered_hashmap/mod.rs - ordered_hashmap::OrderedHashMap<K,V>::insert (line 48)
[INFO] [stdout]     src/ordered_hashmap/mod.rs - ordered_hashmap::OrderedHashMap<K,V>::into_values (line 221)
[INFO] [stdout]     src/ordered_hashmap/mod.rs - ordered_hashmap::OrderedHashMap<K,V>::iter (line 162)
[INFO] [stdout]     src/ordered_hashmap/mod.rs - ordered_hashmap::OrderedHashMap<K,V>::iter_mut (line 201)
[INFO] [stdout]     src/ordered_hashmap/mod.rs - ordered_hashmap::OrderedHashMap<K,V>::keys (line 146)
[INFO] [stdout]     src/ordered_hashmap/mod.rs - ordered_hashmap::OrderedHashMap<K,V>::len (line 277)
[INFO] [stdout]     src/ordered_hashmap/mod.rs - ordered_hashmap::OrderedHashMap<K,V>::new (line 18)
[INFO] [stdout]     src/ordered_hashmap/mod.rs - ordered_hashmap::OrderedHashMap<K,V>::remove (line 65)
[INFO] [stdout]     src/ordered_hashmap/mod.rs - ordered_hashmap::OrderedHashMap<K,V>::values (line 110)
[INFO] [stdout]     src/ordered_hashmap/mod.rs - ordered_hashmap::OrderedHashMap<K,V>::values_mut (line 126)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 15 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.47s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "11fca6aa2c4104c5a02b60db2a9ecd491927bea1031db12d00dcfcd9ff43f13a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11fca6aa2c4104c5a02b60db2a9ecd491927bea1031db12d00dcfcd9ff43f13a", kill_on_drop: false }`
[INFO] [stdout] 11fca6aa2c4104c5a02b60db2a9ecd491927bea1031db12d00dcfcd9ff43f13a
