[INFO] cloning repository https://github.com/Vargoshi/rusty-tetris
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Vargoshi/rusty-tetris" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVargoshi%2Frusty-tetris", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVargoshi%2Frusty-tetris'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ff11122b731bcc276897fa9c825c9499e71608a4
[INFO] checking Vargoshi/rusty-tetris against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVargoshi%2Frusty-tetris" "/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/Vargoshi/rusty-tetris 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/Vargoshi/rusty-tetris
[INFO] finished tweaking git repo https://github.com/Vargoshi/rusty-tetris
[INFO] tweaked toml for git repo https://github.com/Vargoshi/rusty-tetris written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Vargoshi/rusty-tetris 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded signal-hook-mio v0.2.1
[INFO] [stderr]   Downloaded crossterm_winapi v0.9.0
[INFO] [stderr]   Downloaded crossterm v0.22.1
[INFO] [stderr]   Downloaded signal-hook v0.3.10
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.14
[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] a3f7a92981346c946899a80f1dfdef9b579cb192e9ae5e0996d245bae09c2c4b
[INFO] running `Command { std: "docker" "start" "-a" "a3f7a92981346c946899a80f1dfdef9b579cb192e9ae5e0996d245bae09c2c4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3f7a92981346c946899a80f1dfdef9b579cb192e9ae5e0996d245bae09c2c4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3f7a92981346c946899a80f1dfdef9b579cb192e9ae5e0996d245bae09c2c4b", kill_on_drop: false }`
[INFO] [stdout] a3f7a92981346c946899a80f1dfdef9b579cb192e9ae5e0996d245bae09c2c4b
[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] e2cd5c38c3339d8931f2ecbff854c61003a0d93cac4132edbcdcbb0e1749ee25
[INFO] running `Command { std: "docker" "start" "-a" "e2cd5c38c3339d8931f2ecbff854c61003a0d93cac4132edbcdcbb0e1749ee25", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.104
[INFO] [stderr]    Compiling signal-hook v0.3.10
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.14
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking signal-hook-mio v0.2.1
[INFO] [stderr]     Checking crossterm v0.22.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking rusty v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "e2cd5c38c3339d8931f2ecbff854c61003a0d93cac4132edbcdcbb0e1749ee25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2cd5c38c3339d8931f2ecbff854c61003a0d93cac4132edbcdcbb0e1749ee25", kill_on_drop: false }`
[INFO] [stdout] e2cd5c38c3339d8931f2ecbff854c61003a0d93cac4132edbcdcbb0e1749ee25
[INFO] checking Vargoshi/rusty-tetris against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVargoshi%2Frusty-tetris" "/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/Vargoshi/rusty-tetris 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/Vargoshi/rusty-tetris
[INFO] finished tweaking git repo https://github.com/Vargoshi/rusty-tetris
[INFO] tweaked toml for git repo https://github.com/Vargoshi/rusty-tetris written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Vargoshi/rusty-tetris 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] ddb125193e18cf19c3f73c22147be07b5da194bc7366718f69e939ec64d1ed08
[INFO] running `Command { std: "docker" "start" "-a" "ddb125193e18cf19c3f73c22147be07b5da194bc7366718f69e939ec64d1ed08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ddb125193e18cf19c3f73c22147be07b5da194bc7366718f69e939ec64d1ed08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddb125193e18cf19c3f73c22147be07b5da194bc7366718f69e939ec64d1ed08", kill_on_drop: false }`
[INFO] [stdout] ddb125193e18cf19c3f73c22147be07b5da194bc7366718f69e939ec64d1ed08
[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] 4d8bac4203536f783a0dc1d3ebd64205660a2d6bbea6b827fd22b6a0dfdb6b83
[INFO] running `Command { std: "docker" "start" "-a" "4d8bac4203536f783a0dc1d3ebd64205660a2d6bbea6b827fd22b6a0dfdb6b83", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.104
[INFO] [stderr]    Compiling signal-hook v0.3.10
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.14
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking mio v0.7.14
[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]     Checking rand_core v0.6.3
[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" "4d8bac4203536f783a0dc1d3ebd64205660a2d6bbea6b827fd22b6a0dfdb6b83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d8bac4203536f783a0dc1d3ebd64205660a2d6bbea6b827fd22b6a0dfdb6b83", kill_on_drop: false }`
[INFO] [stdout] 4d8bac4203536f783a0dc1d3ebd64205660a2d6bbea6b827fd22b6a0dfdb6b83