[INFO] updating cached repository https://github.com/sir-pinecone/rusty-roguelike
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0c42718da032bd4920bbd385da3835b555e501b1
[INFO] checking sir-pinecone/rusty-roguelike against master#8ac1525e091d3db28e67adcbbd6db1e1deaa37fb for pr-73323
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsir-pinecone%2Frusty-roguelike" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sir-pinecone/rusty-roguelike on toolchain 8ac1525e091d3db28e67adcbbd6db1e1deaa37fb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sir-pinecone/rusty-roguelike
[INFO] finished tweaking git repo https://github.com/sir-pinecone/rusty-roguelike
[INFO] tweaked toml for git repo https://github.com/sir-pinecone/rusty-roguelike written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/sir-pinecone/rusty-roguelike already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/tomassedovic/tcod-rs.git`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-4/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/tomassedovic/tcod-rs.git`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a8a294229da37b692e3d409067f1388f5f08cc53e1f3164f32bb05515d0bc05
[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" "4a8a294229da37b692e3d409067f1388f5f08cc53e1f3164f32bb05515d0bc05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a8a294229da37b692e3d409067f1388f5f08cc53e1f3164f32bb05515d0bc05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a8a294229da37b692e3d409067f1388f5f08cc53e1f3164f32bb05515d0bc05", kill_on_drop: false }`
[INFO] [stdout] 4a8a294229da37b692e3d409067f1388f5f08cc53e1f3164f32bb05515d0bc05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd71a923f75c826dccb3991e8d84e2f2c477b3c99fa24d2ad2a610a0235340fd
[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" "bd71a923f75c826dccb3991e8d84e2f2c477b3c99fa24d2ad2a610a0235340fd", kill_on_drop: false }`
[INFO] [stderr]     Checking lazy_static v0.1.16
[INFO] [stderr]    Compiling tcod-sys v5.0.1 (https://github.com/tomassedovic/tcod-rs.git?branch=master#725f0672)
[INFO] [stderr]     Checking tcod v0.15.0 (https://github.com/tomassedovic/tcod-rs.git?branch=master#725f0672)
[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:224:32
[INFO] [stdout]     |
[INFO] [stdout] 224 |   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] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:237:33
[INFO] [stdout]     |
[INFO] [stdout] 237 |   pub fn clear(&self, con: &mut Console) {
[INFO] [stdout]     |                                 ^^^^^^^ help: use `dyn`: `dyn Console`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/main.rs:402:21
[INFO] [stdout]     |
[INFO] [stdout] 402 |     let collision = (id != None);
[INFO] [stdout]     |                     ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/main.rs:841:24
[INFO] [stdout]     |
[INFO] [stdout] 841 |                   .map((|obj| obj.name.clone()))
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/main.rs:900:20
[INFO] [stdout]     |
[INFO] [stdout] 900 |       debug_mode = (argument.trim() != "false");
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:224:32
[INFO] [stdout]     |
[INFO] [stdout] 224 |   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] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:237:33
[INFO] [stdout]     |
[INFO] [stdout] 237 |   pub fn clear(&self, con: &mut Console) {
[INFO] [stdout]     |                                 ^^^^^^^ help: use `dyn`: `dyn Console`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/main.rs:402:21
[INFO] [stdout]     |
[INFO] [stdout] 402 |     let collision = (id != None);
[INFO] [stdout]     |                     ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/main.rs:841:24
[INFO] [stdout]     |
[INFO] [stdout] 841 |                   .map((|obj| obj.name.clone()))
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/main.rs:900:20
[INFO] [stdout]     |
[INFO] [stdout] 900 |       debug_mode = (argument.trim() != "false");
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::ascii::AsciiExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::ascii::AsciiExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::ascii::AsciiExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::ascii::AsciiExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:348:7
[INFO] [stdout]     |
[INFO] [stdout] 348 |   for i in 0..MAX_ROOMS {
[INFO] [stdout]     |       ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `brain`
[INFO] [stdout]    --> src/main.rs:535:10
[INFO] [stdout]     |
[INFO] [stdout] 535 |     Some(brain) => {
[INFO] [stdout]     |          ^^^^^ help: if this is intentional, prefix it with an underscore: `_brain`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:348:7
[INFO] [stdout]     |
[INFO] [stdout] 348 |   for i in 0..MAX_ROOMS {
[INFO] [stdout]     |       ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `char_attributes`
[INFO] [stdout]    --> src/main.rs:195:19
[INFO] [stdout]     |
[INFO] [stdout] 195 |       if let Some(char_attributes) = self.char_attributes {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_char_attributes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `brain`
[INFO] [stdout]    --> src/main.rs:535:10
[INFO] [stdout]     |
[INFO] [stdout] 535 |     Some(brain) => {
[INFO] [stdout]     |          ^^^^^ help: if this is intentional, prefix it with an underscore: `_brain`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `char_attributes`
[INFO] [stdout]    --> src/main.rs:195:19
[INFO] [stdout]     |
[INFO] [stdout] 195 |       if let Some(char_attributes) = self.char_attributes {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_char_attributes`
[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 [unoptimized + debuginfo] target(s) in 17.69s
[INFO] running `Command { std: "docker" "inspect" "bd71a923f75c826dccb3991e8d84e2f2c477b3c99fa24d2ad2a610a0235340fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd71a923f75c826dccb3991e8d84e2f2c477b3c99fa24d2ad2a610a0235340fd", kill_on_drop: false }`
[INFO] [stdout] bd71a923f75c826dccb3991e8d84e2f2c477b3c99fa24d2ad2a610a0235340fd