[INFO] cloning repository https://github.com/Gelbpunkt/freeciv-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Gelbpunkt/freeciv-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGelbpunkt%2Ffreeciv-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGelbpunkt%2Ffreeciv-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 95c833f42e6c738019f35167a8789223fd87fc39
[INFO] checking Gelbpunkt/freeciv-rs/95c833f42e6c738019f35167a8789223fd87fc39 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGelbpunkt%2Ffreeciv-rs" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Gelbpunkt/freeciv-rs on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/Gelbpunkt/freeciv-rs
[INFO] finished tweaking git repo https://github.com/Gelbpunkt/freeciv-rs
[INFO] tweaked toml for git repo https://github.com/Gelbpunkt/freeciv-rs written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Gelbpunkt/freeciv-rs 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6d797b5eb555de9d8bc715a3d91ec975146ec8b26bc43c8fe8281011da09fdc9
[INFO] running `Command { std: "docker" "start" "-a" "6d797b5eb555de9d8bc715a3d91ec975146ec8b26bc43c8fe8281011da09fdc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d797b5eb555de9d8bc715a3d91ec975146ec8b26bc43c8fe8281011da09fdc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d797b5eb555de9d8bc715a3d91ec975146ec8b26bc43c8fe8281011da09fdc9", kill_on_drop: false }`
[INFO] [stdout] 6d797b5eb555de9d8bc715a3d91ec975146ec8b26bc43c8fe8281011da09fdc9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Dtail_expr_drop_order" "-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4f616038c64762e4264fa58c5dd160a9b0b565d36c50008899d8640e4804260
[INFO] running `Command { std: "docker" "start" "-a" "b4f616038c64762e4264fa58c5dd160a9b0b565d36c50008899d8640e4804260", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking bytemuck v1.13.1
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]     Checking bitflags v2.0.2
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]     Checking flate2 v1.0.25
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking png v0.17.7
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking image v0.24.6
[INFO] [stderr]     Checking noise v0.8.2
[INFO] [stderr]     Checking freeciv-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/tiles/images.rs:548:47
[INFO] [stdout]     |
[INFO] [stdout] 548 | pub fn get_image(identifier: &'static str) -> &DynamicImage {
[INFO] [stdout]     |                                               ^ this elided lifetime gets resolved as `'static`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] help: consider specifying it explicitly
[INFO] [stdout]     |
[INFO] [stdout] 548 | pub fn get_image(identifier: &'static str) -> &'static DynamicImage {
[INFO] [stdout]     |                                                +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/tiles/images.rs:548:47
[INFO] [stdout]     |
[INFO] [stdout] 548 | pub fn get_image(identifier: &'static str) -> &DynamicImage {
[INFO] [stdout]     |                                               ^ this elided lifetime gets resolved as `'static`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] help: consider specifying it explicitly
[INFO] [stdout]     |
[INFO] [stdout] 548 | pub fn get_image(identifier: &'static str) -> &'static DynamicImage {
[INFO] [stdout]     |                                                +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `once_cell` has been stable since 1.70.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(once_cell)]
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `once_cell` has been stable since 1.70.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(once_cell)]
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `north_east`
[INFO] [stdout]    --> src/tiles/tile.rs:442:9
[INFO] [stdout]     |
[INFO] [stdout] 442 |         north_east: Option<Self>,
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_north_east`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `south_east`
[INFO] [stdout]    --> src/tiles/tile.rs:444:9
[INFO] [stdout]     |
[INFO] [stdout] 444 |         south_east: Option<Self>,
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_south_east`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `south_west`
[INFO] [stdout]    --> src/tiles/tile.rs:446:9
[INFO] [stdout]     |
[INFO] [stdout] 446 |         south_west: Option<Self>,
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_south_west`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `north_west`
[INFO] [stdout]    --> src/tiles/tile.rs:448:9
[INFO] [stdout]     |
[INFO] [stdout] 448 |         north_west: Option<Self>,
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_north_west`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `north_east`
[INFO] [stdout]    --> src/tiles/tile.rs:442:9
[INFO] [stdout]     |
[INFO] [stdout] 442 |         north_east: Option<Self>,
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_north_east`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `south_east`
[INFO] [stdout]    --> src/tiles/tile.rs:444:9
[INFO] [stdout]     |
[INFO] [stdout] 444 |         south_east: Option<Self>,
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_south_east`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `south_west`
[INFO] [stdout]    --> src/tiles/tile.rs:446:9
[INFO] [stdout]     |
[INFO] [stdout] 446 |         south_west: Option<Self>,
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_south_west`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `north_west`
[INFO] [stdout]    --> src/tiles/tile.rs:448:9
[INFO] [stdout]     |
[INFO] [stdout] 448 |         north_west: Option<Self>,
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_north_west`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_technology_by_idx` is never used
[INFO] [stdout]   --> src/research/technologies.rs:35:4
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn get_technology_by_idx(idx: usize) -> &'static Technology {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `random` is never used
[INFO] [stdout]    --> src/tiles/tile.rs:635:19
[INFO] [stdout]     |
[INFO] [stdout] 238 | impl Terrain {
[INFO] [stdout]     | ------------ associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 635 |     pub(crate) fn random() -> Self {
[INFO] [stdout]     |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `railroad` is never used
[INFO] [stdout]    --> src/tiles/tile.rs:671:10
[INFO] [stdout]     |
[INFO] [stdout] 671 | const fn railroad() -> TransformOutcome {
[INFO] [stdout]     |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `WorkerSkill` is never used
[INFO] [stdout]    --> src/tiles/tile.rs:931:10
[INFO] [stdout]     |
[INFO] [stdout] 931 | pub enum WorkerSkill {
[INFO] [stdout]     |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_technology_by_idx` is never used
[INFO] [stdout]   --> src/research/technologies.rs:35:4
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn get_technology_by_idx(idx: usize) -> &'static Technology {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `random` is never used
[INFO] [stdout]    --> src/tiles/tile.rs:635:19
[INFO] [stdout]     |
[INFO] [stdout] 238 | impl Terrain {
[INFO] [stdout]     | ------------ associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 635 |     pub(crate) fn random() -> Self {
[INFO] [stdout]     |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `railroad` is never used
[INFO] [stdout]    --> src/tiles/tile.rs:671:10
[INFO] [stdout]     |
[INFO] [stdout] 671 | const fn railroad() -> TransformOutcome {
[INFO] [stdout]     |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `WorkerSkill` is never used
[INFO] [stdout]    --> src/tiles/tile.rs:931:10
[INFO] [stdout]     |
[INFO] [stdout] 931 | pub enum WorkerSkill {
[INFO] [stdout]     |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.40s
[INFO] running `Command { std: "docker" "inspect" "b4f616038c64762e4264fa58c5dd160a9b0b565d36c50008899d8640e4804260", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4f616038c64762e4264fa58c5dd160a9b0b565d36c50008899d8640e4804260", kill_on_drop: false }`
[INFO] [stdout] b4f616038c64762e4264fa58c5dd160a9b0b565d36c50008899d8640e4804260