[INFO] cloning repository https://github.com/gnawinganimal/tetris-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gnawinganimal/tetris-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgnawinganimal%2Ftetris-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgnawinganimal%2Ftetris-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 59696c5af4f5ef4b843e4a69f9702cbb94c090fe
[INFO] checking gnawinganimal/tetris-rs against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgnawinganimal%2Ftetris-rs" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gnawinganimal/tetris-rs on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gnawinganimal/tetris-rs
[INFO] finished tweaking git repo https://github.com/gnawinganimal/tetris-rs
[INFO] tweaked toml for git repo https://github.com/gnawinganimal/tetris-rs written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/gnawinganimal/tetris-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d7ae6ce2bfa9e540596b3188f8611ec7844c05f9153a536ff40fd7653cd38199
[INFO] running `Command { std: "docker" "start" "-a" "d7ae6ce2bfa9e540596b3188f8611ec7844c05f9153a536ff40fd7653cd38199", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7ae6ce2bfa9e540596b3188f8611ec7844c05f9153a536ff40fd7653cd38199", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7ae6ce2bfa9e540596b3188f8611ec7844c05f9153a536ff40fd7653cd38199", kill_on_drop: false }`
[INFO] [stdout] d7ae6ce2bfa9e540596b3188f8611ec7844c05f9153a536ff40fd7653cd38199
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8903ee9dad3880b21070460354c54ef28233ff66faf408cd7f86650b01c77d2
[INFO] running `Command { std: "docker" "start" "-a" "e8903ee9dad3880b21070460354c54ef28233ff66faf408cd7f86650b01c77d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling parking_lot_core v0.9.6
[INFO] [stderr]    Compiling signal-hook v0.3.14
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]     Checking unicode-segmentation v1.10.0
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.8.5
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking crossterm v0.25.0
[INFO] [stderr]     Checking tui v0.19.0
[INFO] [stderr]     Checking tetris-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `area` and `dsp` are never used
[INFO] [stdout]   --> src/shape.rs:8:12
[INFO] [stdout]    |
[INFO] [stdout] 7  | impl Shape {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] 8  |     pub fn area(&self) -> usize {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 12 |     pub fn dsp(self, d: (isize, isize)) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `area` is never used
[INFO] [stdout]  --> src/shape.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl Shape {
[INFO] [stdout]   | ---------- method in this implementation
[INFO] [stdout] 8 |     pub fn area(&self) -> usize {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.94s
[INFO] running `Command { std: "docker" "inspect" "e8903ee9dad3880b21070460354c54ef28233ff66faf408cd7f86650b01c77d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8903ee9dad3880b21070460354c54ef28233ff66faf408cd7f86650b01c77d2", kill_on_drop: false }`
[INFO] [stdout] e8903ee9dad3880b21070460354c54ef28233ff66faf408cd7f86650b01c77d2
[INFO] checking gnawinganimal/tetris-rs against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgnawinganimal%2Ftetris-rs" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gnawinganimal/tetris-rs on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gnawinganimal/tetris-rs
[INFO] finished tweaking git repo https://github.com/gnawinganimal/tetris-rs
[INFO] tweaked toml for git repo https://github.com/gnawinganimal/tetris-rs written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/gnawinganimal/tetris-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9af608413362690a9ca91e9457e306678f40a2ac6c6c8a14464f4190720fa287
[INFO] running `Command { std: "docker" "start" "-a" "9af608413362690a9ca91e9457e306678f40a2ac6c6c8a14464f4190720fa287", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9af608413362690a9ca91e9457e306678f40a2ac6c6c8a14464f4190720fa287", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9af608413362690a9ca91e9457e306678f40a2ac6c6c8a14464f4190720fa287", kill_on_drop: false }`
[INFO] [stdout] 9af608413362690a9ca91e9457e306678f40a2ac6c6c8a14464f4190720fa287
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57a57762a6b85b3ab611a6d4c3f41ed240cbd0257d5a0762dc99a4510f5db64c
[INFO] running `Command { std: "docker" "start" "-a" "57a57762a6b85b3ab611a6d4c3f41ed240cbd0257d5a0762dc99a4510f5db64c", kill_on_drop: false }`
[INFO] [stderr]    Compiling signal-hook v0.3.14
[INFO] [stderr]    Compiling parking_lot_core v0.9.6
[INFO] [stderr]     Checking unicode-segmentation v1.10.0
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.8.5
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/signal-hook-registry-1.4.0/src/half_lock.rs:145:13
[INFO] [stdout]     |
[INFO] [stdout] 145 |             unsafe { libc::abort() };
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `signal-hook-registry` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "57a57762a6b85b3ab611a6d4c3f41ed240cbd0257d5a0762dc99a4510f5db64c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57a57762a6b85b3ab611a6d4c3f41ed240cbd0257d5a0762dc99a4510f5db64c", kill_on_drop: false }`
[INFO] [stdout] 57a57762a6b85b3ab611a6d4c3f41ed240cbd0257d5a0762dc99a4510f5db64c