[INFO] cloning repository https://github.com/lidavidm/jrogue
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lidavidm/jrogue" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flidavidm%2Fjrogue", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flidavidm%2Fjrogue'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bc9c81983470572a366fe114f4daeae1fa36e7d5
[INFO] checking lidavidm/jrogue against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flidavidm%2Fjrogue" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lidavidm/jrogue on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lidavidm/jrogue
[INFO] finished tweaking git repo https://github.com/lidavidm/jrogue
[INFO] tweaked toml for git repo https://github.com/lidavidm/jrogue written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/lidavidm/jrogue 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded termion v1.1.4
[INFO] [stderr]   Downloaded fnv v1.0.5
[INFO] [stderr]   Downloaded bear-lib-terminal-sys v1.1.1
[INFO] [stderr]   Downloaded rustc-demangle v0.1.3
[INFO] [stderr]   Downloaded backtrace v0.3.0
[INFO] [stderr]   Downloaded log-panics v1.1.0
[INFO] [stderr]   Downloaded bear-lib-terminal v1.3.1
[INFO] [stderr]   Downloaded backtrace-sys v0.1.5
[INFO] [stderr]   Downloaded gcc v0.3.41
[INFO] [stderr]   Downloaded atom v0.3.4
[INFO] [stderr]   Downloaded pulse v0.5.3
[INFO] [stderr]   Downloaded threadpool v1.3.2
[INFO] [stderr]   Downloaded specs v0.7.1
[INFO] [stderr]   Downloaded redox_syscall v0.1.16
[INFO] [stderr]   Downloaded time v0.1.36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3701c00e339ace813b94d97fba1c63ab1eb4689902ecf8f0797be3f92d6a0d34
[INFO] running `Command { std: "docker" "start" "-a" "3701c00e339ace813b94d97fba1c63ab1eb4689902ecf8f0797be3f92d6a0d34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3701c00e339ace813b94d97fba1c63ab1eb4689902ecf8f0797be3f92d6a0d34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3701c00e339ace813b94d97fba1c63ab1eb4689902ecf8f0797be3f92d6a0d34", kill_on_drop: false }`
[INFO] [stdout] 3701c00e339ace813b94d97fba1c63ab1eb4689902ecf8f0797be3f92d6a0d34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db3d4d1295f2d25903b913f05c829cab8e38770fbbe1ce02e4a62dcd4c9ceb26
[INFO] running `Command { std: "docker" "start" "-a" "db3d4d1295f2d25903b913f05c829cab8e38770fbbe1ce02e4a62dcd4c9ceb26", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.19
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]    Compiling gcc v0.3.41
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking atom v0.3.4
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]     Checking log v0.3.6
[INFO] [stderr]     Checking cfg-if v0.1.0
[INFO] [stderr]     Checking rustc-demangle v0.1.3
[INFO] [stderr]     Checking tuple_utils v0.2.0
[INFO] [stderr]     Checking threadpool v1.3.2
[INFO] [stderr]     Checking fnv v1.0.5
[INFO] [stderr]     Checking mopa v0.2.2
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking time v0.1.36
[INFO] [stderr]     Checking bear-lib-terminal-sys v1.1.1
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking bear-lib-terminal v1.3.1
[INFO] [stderr]     Checking termion v1.1.4
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]    Compiling backtrace-sys v0.1.5
[INFO] [stderr]     Checking pulse v0.5.3
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking specs v0.7.1
[INFO] [stderr]     Checking log-panics v1.1.0
[INFO] [stderr]     Checking env_logger v0.3.5
[INFO] [stderr]     Checking jrogue v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `specs` is imported redundantly
[INFO] [stdout]  --> src/components/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use specs;
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/main.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | extern crate specs;
[INFO] [stdout]   | ------------------- the item `specs` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `specs` is imported redundantly
[INFO] [stdout]  --> src/screens/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use specs;
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/main.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | extern crate specs;
[INFO] [stdout]   | ------------------- the item `specs` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `bear_lib_terminal` is imported redundantly
[INFO] [stdout]  --> src/screens/title.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use bear_lib_terminal;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate bear_lib_terminal;
[INFO] [stdout]   | ------------------------------- the item `bear_lib_terminal` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `specs` is imported redundantly
[INFO] [stdout]  --> src/screens/title.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use specs;
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/main.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | extern crate specs;
[INFO] [stdout]   | ------------------- the item `specs` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `world`
[INFO] [stdout]  --> src/components/mod.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn register_all(world: &mut specs::World) {
[INFO] [stdout]   |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_world`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `teardown` is never used
[INFO] [stdout]   --> src/screens/mod.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub trait Screen {
[INFO] [stdout]    |           ------ method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 10 |     fn teardown(&mut self, planner: &mut specs::Planner<()>);
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `specs` is imported redundantly
[INFO] [stdout]  --> src/components/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use specs;
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/main.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | extern crate specs;
[INFO] [stdout]   | ------------------- the item `specs` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `specs` is imported redundantly
[INFO] [stdout]  --> src/screens/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use specs;
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/main.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | extern crate specs;
[INFO] [stdout]   | ------------------- the item `specs` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `bear_lib_terminal` is imported redundantly
[INFO] [stdout]  --> src/screens/title.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use bear_lib_terminal;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate bear_lib_terminal;
[INFO] [stdout]   | ------------------------------- the item `bear_lib_terminal` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `specs` is imported redundantly
[INFO] [stdout]  --> src/screens/title.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use specs;
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/main.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | extern crate specs;
[INFO] [stdout]   | ------------------- the item `specs` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `world`
[INFO] [stdout]  --> src/components/mod.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn register_all(world: &mut specs::World) {
[INFO] [stdout]   |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_world`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `teardown` is never used
[INFO] [stdout]   --> src/screens/mod.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub trait Screen {
[INFO] [stdout]    |           ------ method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 10 |     fn teardown(&mut self, planner: &mut specs::Planner<()>);
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.50s
[INFO] running `Command { std: "docker" "inspect" "db3d4d1295f2d25903b913f05c829cab8e38770fbbe1ce02e4a62dcd4c9ceb26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db3d4d1295f2d25903b913f05c829cab8e38770fbbe1ce02e4a62dcd4c9ceb26", kill_on_drop: false }`
[INFO] [stdout] db3d4d1295f2d25903b913f05c829cab8e38770fbbe1ce02e4a62dcd4c9ceb26