[INFO] fetching crate mapgen 0.6.0...
[INFO] testing mapgen-0.6.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate mapgen 0.6.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate mapgen 0.6.0
[INFO] finished tweaking crates.io crate mapgen 0.6.0
[INFO] tweaked toml for crates.io crate mapgen 0.6.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mapgen 0.6.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mapgen 0.6.0 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" "+b83b707f97d809763b7861afa7638871f3339a33" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c7910b315dbd77c8162699fcee8350660a89b2e837eb980cd05502fe8fae61ce
[INFO] running `Command { std: "docker" "start" "-a" "c7910b315dbd77c8162699fcee8350660a89b2e837eb980cd05502fe8fae61ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7910b315dbd77c8162699fcee8350660a89b2e837eb980cd05502fe8fae61ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7910b315dbd77c8162699fcee8350660a89b2e837eb980cd05502fe8fae61ce", kill_on_drop: false }`
[INFO] [stdout] c7910b315dbd77c8162699fcee8350660a89b2e837eb980cd05502fe8fae61ce
[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" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b2357407fd5251872440a045e29854584fb347c46f7131b963709e286058fce
[INFO] running `Command { std: "docker" "start" "-a" "4b2357407fd5251872440a045e29854584fb347c46f7131b963709e286058fce", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling mapgen v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/filter/maze.rs:104:41
[INFO] [stdout]     |
[INFO] [stdout] 104 |     fn new(width: i32, height:i32, rng: &mut StdRng) -> Grid {
[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] 104 |     fn new(width: i32, height:i32, rng: &mut StdRng) -> Grid<'_> {
[INFO] [stdout]     |                                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.07s
[INFO] running `Command { std: "docker" "inspect" "4b2357407fd5251872440a045e29854584fb347c46f7131b963709e286058fce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b2357407fd5251872440a045e29854584fb347c46f7131b963709e286058fce", kill_on_drop: false }`
[INFO] [stdout] 4b2357407fd5251872440a045e29854584fb347c46f7131b963709e286058fce
[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" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1cabb4c6e24cd3db4c7d28a7aa5176c672874b1c81ed7a55c6efa37c83315893
[INFO] running `Command { std: "docker" "start" "-a" "1cabb4c6e24cd3db4c7d28a7aa5176c672874b1c81ed7a55c6efa37c83315893", kill_on_drop: false }`
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/filter/maze.rs:104:41
[INFO] [stdout]     |
[INFO] [stdout] 104 |     fn new(width: i32, height:i32, rng: &mut StdRng) -> Grid {
[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] 104 |     fn new(width: i32, height:i32, rng: &mut StdRng) -> Grid<'_> {
[INFO] [stdout]     |                                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mapgen v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/filter/maze.rs:104:41
[INFO] [stdout]     |
[INFO] [stdout] 104 |     fn new(width: i32, height:i32, rng: &mut StdRng) -> Grid {
[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] 104 |     fn new(width: i32, height:i32, rng: &mut StdRng) -> Grid<'_> {
[INFO] [stdout]     |                                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `Command { std: "docker" "inspect" "1cabb4c6e24cd3db4c7d28a7aa5176c672874b1c81ed7a55c6efa37c83315893", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cabb4c6e24cd3db4c7d28a7aa5176c672874b1c81ed7a55c6efa37c83315893", kill_on_drop: false }`
[INFO] [stdout] 1cabb4c6e24cd3db4c7d28a7aa5176c672874b1c81ed7a55c6efa37c83315893
[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" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 971fdb40ba84d6829a07f2123b3dfdfee6c4a4c34259db491c8ff3514ebe9a10
[INFO] running `Command { std: "docker" "start" "-a" "971fdb40ba84d6829a07f2123b3dfdfee6c4a4c34259db491c8ff3514ebe9a10", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/filter/maze.rs:104:41
[INFO] [stderr]     |
[INFO] [stderr] 104 |     fn new(width: i32, height:i32, rng: &mut StdRng) -> Grid {
[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] 104 |     fn new(width: i32, height:i32, rng: &mut StdRng) -> Grid<'_> {
[INFO] [stderr]     |                                                             ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `mapgen` (lib) generated 1 warning (run `cargo fix --lib -p mapgen` to apply 1 suggestion)
[INFO] [stderr] warning: `mapgen` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mapgen-ab9669f49c5c40bd)
[INFO] [stdout] 
[INFO] [stdout] running 27 tests
[INFO] [stdout] test dijkstra::tests::test_2 ... ok
[INFO] [stdout] test dijkstra::tests::test_culling ... ok
[INFO] [stdout] test dijkstra::tests::test_3 ... ok
[INFO] [stdout] test filter::bsp_rooms::tests::no_corridors_on_borders ... ok
[INFO] [stdout] test filter::cellular_automata::tests::test_iteration_floor ... ok
[INFO] [stdout] test filter::cellular_automata::tests::test_iteration_wal ... ok
[INFO] [stdout] test filter::cull_unreachable::tests::test_culling ... ok
[INFO] [stdout] test filter::distant_exit::tests::test_exit ... ok
[INFO] [stdout] test filter::starting_point::tests::test_exit ... ok
[INFO] [stdout] test filter::bsp_interior::tests::no_corridors_on_borders ... ok
[INFO] [stdout] test geometry::tests::test_distance ... ok
[INFO] [stdout] test geometry::tests::test_intersect ... ok
[INFO] [stdout] test geometry::tests::test_size ... ok
[INFO] [stdout] test map_buffer::tests::test_add_corridor ... ok
[INFO] [stdout] test map_buffer::tests::test_available_exists ... ok
[INFO] [stdout] test map_buffer::tests::test_create_room ... ok
[INFO] [stdout] test map_buffer::tests::test_exists ... ok
[INFO] [stdout] test map_buffer::tests::test_from_string ... ok
[INFO] [stdout] test map_buffer::tests::test_new_map ... ok
[INFO] [stdout] test metric::tests::test_density ... ok
[INFO] [stdout] test metric::tests::test_density_no_floor ... ok
[INFO] [stdout] test metric::tests::test_no_path ... ok
[INFO] [stdout] test metric::tests::test_path_length ... ok
[INFO] [stdout] test random::tests::test_range ... ok
[INFO] [stdout] test random::tests::test_roll_dice ... ok
[INFO] [stdout] test random::tests::test_range_average ... ok
[INFO] [stdout] test tests::test_ca_map ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 27 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mapgen
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test src/filter/noise_generator.rs - filter::noise_generator (line 5) ... ok
[INFO] [stdout] test src/filter/simple_rooms.rs - filter::simple_rooms (line 7) ... ok
[INFO] [stdout] test src/filter/starting_point.rs - filter::starting_point (line 7) ... ok
[INFO] [stdout] test src/filter/cellular_automata.rs - filter::cellular_automata (line 10) ... ok
[INFO] [stdout] test src/filter/drunkard.rs - filter::drunkard (line 2) ... ok
[INFO] [stdout] test src/filter/bsp_rooms.rs - filter::bsp_rooms (line 7) ... ok
[INFO] [stdout] test src/filter/maze.rs - filter::maze (line 2) ... ok
[INFO] [stdout] test src/filter/bsp_interior.rs - filter::bsp_interior (line 7) ... ok
[INFO] [stdout] test src/geometry.rs - geometry::usize_abs (line 76) ... ok
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] test src/filter/voronoi.rs - filter::voronoi (line 2) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.33s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "971fdb40ba84d6829a07f2123b3dfdfee6c4a4c34259db491c8ff3514ebe9a10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "971fdb40ba84d6829a07f2123b3dfdfee6c4a4c34259db491c8ff3514ebe9a10", kill_on_drop: false }`
[INFO] [stdout] 971fdb40ba84d6829a07f2123b3dfdfee6c4a4c34259db491c8ff3514ebe9a10