[INFO] cloning repository https://github.com/isidornygren/daedalus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/isidornygren/daedalus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fisidornygren%2Fdaedalus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fisidornygren%2Fdaedalus'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 88be6fa45655fae8475a911972d140d5abc91847
[INFO] checking isidornygren/daedalus against try#14e4661efa5acbf985e4fe564baae04683366cc1 for pr-157696
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fisidornygren%2Fdaedalus" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/isidornygren/daedalus
[INFO] finished tweaking git repo https://github.com/isidornygren/daedalus
[INFO] tweaked toml for git repo https://github.com/isidornygren/daedalus written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/isidornygren/daedalus on toolchain 14e4661efa5acbf985e4fe564baae04683366cc1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+14e4661efa5acbf985e4fe564baae04683366cc1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/isidornygren/daedalus 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" "+14e4661efa5acbf985e4fe564baae04683366cc1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 7684df87d32bea9d17699ddd9f0996e4e5ac0eb839d93580d21f3bac59cb193a
[INFO] running `Command { std: "docker" "start" "7684df87d32bea9d17699ddd9f0996e4e5ac0eb839d93580d21f3bac59cb193a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7684df87d32bea9d17699ddd9f0996e4e5ac0eb839d93580d21f3bac59cb193a" "/opt/rustwide/cargo-home/bin/cargo" "+14e4661efa5acbf985e4fe564baae04683366cc1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7684df87d32bea9d17699ddd9f0996e4e5ac0eb839d93580d21f3bac59cb193a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7684df87d32bea9d17699ddd9f0996e4e5ac0eb839d93580d21f3bac59cb193a" "/opt/rustwide/cargo-home/bin/cargo" "+14e4661efa5acbf985e4fe564baae04683366cc1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.3
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking bmp v0.4.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking daedalus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::direction::Direction`
[INFO] [stdout]  --> src/cell_matrix.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::direction::Direction;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/cell_matrix.rs:147:65
[INFO] [stdout]     |
[INFO] [stdout] 147 |     pub fn get_section_mut(&mut self, x: i32, y: i32) -> Option<(&mut Section)> {
[INFO] [stdout]     |                                                                 ^            ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 147 -     pub fn get_section_mut(&mut self, x: i32, y: i32) -> Option<(&mut Section)> {
[INFO] [stdout] 147 +     pub fn get_section_mut(&mut self, x: i32, y: i32) -> Option<&mut Section > {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `remove_node`
[INFO] [stdout]  --> src/labyrinth_generator.rs:2:28
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::corridor_tree::{remove_node, CorridorNode, WrappedCorridorNode};
[INFO] [stdout]   |                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::room::Corridor`
[INFO] [stdout]  --> src/labyrinth_generator.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::room::Corridor;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::sections::Section`
[INFO] [stdout]  --> src/labyrinth_generator.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::sections::Section;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Section` and `Sectionable`
[INFO] [stdout]  --> src/room.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::sections::{Section, Sectionable};
[INFO] [stdout]   |                       ^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::sections::Section`
[INFO] [stdout]  --> src/room_generator.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::sections::Section;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/map_generator.rs:9:21
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Custom(&'static FnOnce() -> String),
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Custom(&'static dyn FnOnce() -> String),
[INFO] [stdout]   |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::direction::Direction`
[INFO] [stdout]  --> src/cell_matrix.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::direction::Direction;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/cell_matrix.rs:147:65
[INFO] [stdout]     |
[INFO] [stdout] 147 |     pub fn get_section_mut(&mut self, x: i32, y: i32) -> Option<(&mut Section)> {
[INFO] [stdout]     |                                                                 ^            ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 147 -     pub fn get_section_mut(&mut self, x: i32, y: i32) -> Option<(&mut Section)> {
[INFO] [stdout] 147 +     pub fn get_section_mut(&mut self, x: i32, y: i32) -> Option<&mut Section > {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `remove_node`
[INFO] [stdout]  --> src/labyrinth_generator.rs:2:28
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::corridor_tree::{remove_node, CorridorNode, WrappedCorridorNode};
[INFO] [stdout]   |                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::room::Corridor`
[INFO] [stdout]  --> src/labyrinth_generator.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::room::Corridor;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::sections::Section`
[INFO] [stdout]  --> src/labyrinth_generator.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::sections::Section;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Section` and `Sectionable`
[INFO] [stdout]  --> src/room.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::sections::{Section, Sectionable};
[INFO] [stdout]   |                       ^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::sections::Section`
[INFO] [stdout]  --> src/room_generator.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::sections::Section;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/map_generator.rs:9:21
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Custom(&'static FnOnce() -> String),
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Custom(&'static dyn FnOnce() -> String),
[INFO] [stdout]   |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `best_section_id`
[INFO] [stdout]    --> src/sections.rs:171:13
[INFO] [stdout]     |
[INFO] [stdout] 171 |         let best_section_id = self.connect_sections();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_best_section_id`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print_tree_children` is never used
[INFO] [stdout]   --> src/labyrinth_generator.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl LabyrinthGenerator {
[INFO] [stdout]    | ----------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 62 |     fn print_tree_children(&self, node: &WrappedCorridorNode) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_within_circle_shape` is never used
[INFO] [stdout]   --> src/room_generator.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn is_within_circle_shape(a: &Room, radius: u16) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Sectionable` is never used
[INFO] [stdout]   --> src/sections.rs:32:11
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub trait Sectionable {
[INFO] [stdout]    |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/cell_matrix.rs:181:23
[INFO] [stdout]     |
[INFO] [stdout] 181 |     pub fn iter_rooms(&self) -> std::slice::Iter<Room> {
[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] 181 |     pub fn iter_rooms(&self) -> std::slice::Iter<'_, Room> {
[INFO] [stdout]     |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/cell_matrix.rs:184:27
[INFO] [stdout]     |
[INFO] [stdout] 184 |     pub fn iter_corridors(&self) -> std::slice::Iter<Corridor> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 184 |     pub fn iter_corridors(&self) -> std::slice::Iter<'_, Corridor> {
[INFO] [stdout]     |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `best_section_id`
[INFO] [stdout]    --> src/sections.rs:171:13
[INFO] [stdout]     |
[INFO] [stdout] 171 |         let best_section_id = self.connect_sections();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_best_section_id`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print_tree_children` is never used
[INFO] [stdout]   --> src/labyrinth_generator.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl LabyrinthGenerator {
[INFO] [stdout]    | ----------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 62 |     fn print_tree_children(&self, node: &WrappedCorridorNode) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_within_circle_shape` is never used
[INFO] [stdout]   --> src/room_generator.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn is_within_circle_shape(a: &Room, radius: u16) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Sectionable` is never used
[INFO] [stdout]   --> src/sections.rs:32:11
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub trait Sectionable {
[INFO] [stdout]    |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/cell_matrix.rs:181:23
[INFO] [stdout]     |
[INFO] [stdout] 181 |     pub fn iter_rooms(&self) -> std::slice::Iter<Room> {
[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] 181 |     pub fn iter_rooms(&self) -> std::slice::Iter<'_, Room> {
[INFO] [stdout]     |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/cell_matrix.rs:184:27
[INFO] [stdout]     |
[INFO] [stdout] 184 |     pub fn iter_corridors(&self) -> std::slice::Iter<Corridor> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 184 |     pub fn iter_corridors(&self) -> std::slice::Iter<'_, Corridor> {
[INFO] [stdout]     |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.32s
[INFO] running `Command { std: "docker" "inspect" "7684df87d32bea9d17699ddd9f0996e4e5ac0eb839d93580d21f3bac59cb193a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7684df87d32bea9d17699ddd9f0996e4e5ac0eb839d93580d21f3bac59cb193a", kill_on_drop: false }`
[INFO] [stdout] 7684df87d32bea9d17699ddd9f0996e4e5ac0eb839d93580d21f3bac59cb193a
