[INFO] cloning repository https://github.com/thomasdelrue/roguelike
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thomasdelrue/roguelike" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomasdelrue%2Froguelike", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomasdelrue%2Froguelike'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 76e4a61ebb54a4332d73e290f7dd14230ed27052
[INFO] checking thomasdelrue/roguelike against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomasdelrue%2Froguelike" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/thomasdelrue/roguelike on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/thomasdelrue/roguelike
[INFO] finished tweaking git repo https://github.com/thomasdelrue/roguelike
[INFO] tweaked toml for git repo https://github.com/thomasdelrue/roguelike written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/thomasdelrue/roguelike already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b93a9ff7324f6c1d4468ef1f5b9437a83c9125f32d5b8987a8a16a4794029c0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6b93a9ff7324f6c1d4468ef1f5b9437a83c9125f32d5b8987a8a16a4794029c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b93a9ff7324f6c1d4468ef1f5b9437a83c9125f32d5b8987a8a16a4794029c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b93a9ff7324f6c1d4468ef1f5b9437a83c9125f32d5b8987a8a16a4794029c0", kill_on_drop: false }`
[INFO] [stdout] 6b93a9ff7324f6c1d4468ef1f5b9437a83c9125f32d5b8987a8a16a4794029c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93d275a19eab16ebe34aacd55b12c9b544c22186b052571aec6e0502e5d94ead
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "93d275a19eab16ebe34aacd55b12c9b544c22186b052571aec6e0502e5d94ead", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]     Checking bitflags v0.1.1
[INFO] [stderr]    Compiling tcod-sys v5.0.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]    Compiling serde_derive v1.0.91
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking tcod v0.13.0
[INFO] [stderr]     Checking roguelike v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:141:34
[INFO] [stdout]     |
[INFO] [stdout] 141 |     pub fn draw(&self, con: &mut Console) {
[INFO] [stdout]     |                                  ^^^^^^^ help: use `dyn`: `dyn Console`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:147:35
[INFO] [stdout]     |
[INFO] [stdout] 147 |     pub fn clear(&self, con: &mut Console) {
[INFO] [stdout]     |                                   ^^^^^^^ help: use `dyn`: `dyn Console`
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/main.rs:1558:65
[INFO] [stdout]      |
[INFO] [stdout] 1558 | fn save_game(objects: &[Object], game: &Game) -> Result<(), Box<Error>> {
[INFO] [stdout]      |                                                                 ^^^^^ help: use `dyn`: `dyn Error`
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/main.rs:1566:51
[INFO] [stdout]      |
[INFO] [stdout] 1566 | fn load_game() -> Result<(Vec<Object>, Game), Box<Error>> {
[INFO] [stdout]      |                                                   ^^^^^ help: use `dyn`: `dyn Error`
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:141:34
[INFO] [stdout]     |
[INFO] [stdout] 141 |     pub fn draw(&self, con: &mut Console) {
[INFO] [stdout]     |                                  ^^^^^^^ help: use `dyn`: `dyn Console`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:147:35
[INFO] [stdout]     |
[INFO] [stdout] 147 |     pub fn clear(&self, con: &mut Console) {
[INFO] [stdout]     |                                   ^^^^^^^ help: use `dyn`: `dyn Console`
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/main.rs:1558:65
[INFO] [stdout]      |
[INFO] [stdout] 1558 | fn save_game(objects: &[Object], game: &Game) -> Result<(), Box<Error>> {
[INFO] [stdout]      |                                                                 ^^^^^ help: use `dyn`: `dyn Error`
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/main.rs:1566:51
[INFO] [stdout]      |
[INFO] [stdout] 1566 | fn load_game() -> Result<(Vec<Object>, Game), Box<Error>> {
[INFO] [stdout]      |                                                   ^^^^^ help: use `dyn`: `dyn Error`
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dice`
[INFO] [stdout]    --> src/main.rs:738:17
[INFO] [stdout]     |
[INFO] [stdout] 738 |             let dice = rand::random::<f32>();
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_dice`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `old_equipment`
[INFO] [stdout]     --> src/main.rs:1207:21
[INFO] [stdout]      |
[INFO] [stdout] 1207 |         if let Some(old_equipment) = get_equipped_in_slot(equipment.slot, &game.inventory) {
[INFO] [stdout]      |                     ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_old_equipment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tcod`
[INFO] [stdout]     --> src/main.rs:1216:14
[INFO] [stdout]      |
[INFO] [stdout] 1216 |              tcod: &mut Tcod) -> UseResult {
[INFO] [stdout]      |              ^^^^ help: if this is intentional, prefix it with an underscore: `_tcod`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dice`
[INFO] [stdout]    --> src/main.rs:738:17
[INFO] [stdout]     |
[INFO] [stdout] 738 |             let dice = rand::random::<f32>();
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_dice`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `old_equipment`
[INFO] [stdout]     --> src/main.rs:1207:21
[INFO] [stdout]      |
[INFO] [stdout] 1207 |         if let Some(old_equipment) = get_equipped_in_slot(equipment.slot, &game.inventory) {
[INFO] [stdout]      |                     ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_old_equipment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tcod`
[INFO] [stdout]     --> src/main.rs:1216:14
[INFO] [stdout]      |
[INFO] [stdout] 1216 |              tcod: &mut Tcod) -> UseResult {
[INFO] [stdout]      |              ^^^^ help: if this is intentional, prefix it with an underscore: `_tcod`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.88s
[INFO] running `Command { std: "docker" "inspect" "93d275a19eab16ebe34aacd55b12c9b544c22186b052571aec6e0502e5d94ead", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93d275a19eab16ebe34aacd55b12c9b544c22186b052571aec6e0502e5d94ead", kill_on_drop: false }`
[INFO] [stdout] 93d275a19eab16ebe34aacd55b12c9b544c22186b052571aec6e0502e5d94ead