[INFO] cloning repository https://github.com/arthurlm/pyarraypool
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arthurlm/pyarraypool" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farthurlm%2Fpyarraypool", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farthurlm%2Fpyarraypool'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4fb1a15173d212961b3aff7f434e2ee2fcfc8dd1
[INFO] checking arthurlm/pyarraypool against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farthurlm%2Fpyarraypool" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/arthurlm/pyarraypool 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/arthurlm/pyarraypool
[INFO] finished tweaking git repo https://github.com/arthurlm/pyarraypool
[INFO] tweaked toml for git repo https://github.com/arthurlm/pyarraypool written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/arthurlm/pyarraypool 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded win-sys v0.3.1
[INFO] [stderr]   Downloaded pyo3-build-config v0.16.5
[INFO] [stderr]   Downloaded shared_memory v0.12.4
[INFO] [stderr]   Downloaded unindent v0.1.10
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.16.5
[INFO] [stderr]   Downloaded pyo3-macros v0.16.5
[INFO] [stderr]   Downloaded pyo3-ffi v0.16.5
[INFO] [stderr]   Downloaded pyo3 v0.16.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 3fa1f89a5ae73709df873bca975a62cf119c6239067ee00576cef98d8b50ecf3
[INFO] running `Command { std: "docker" "start" "-a" "3fa1f89a5ae73709df873bca975a62cf119c6239067ee00576cef98d8b50ecf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3fa1f89a5ae73709df873bca975a62cf119c6239067ee00576cef98d8b50ecf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fa1f89a5ae73709df873bca975a62cf119c6239067ee00576cef98d8b50ecf3", kill_on_drop: false }`
[INFO] [stdout] 3fa1f89a5ae73709df873bca975a62cf119c6239067ee00576cef98d8b50ecf3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] c2cfa9b9f6d72f6404f64ec55803abb7300fd591c245ae6cff88f389053c20d0
[INFO] running `Command { std: "docker" "start" "-a" "c2cfa9b9f6d72f6404f64ec55803abb7300fd591c245ae6cff88f389053c20d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling target-lexicon v0.12.4
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]     Checking unindent v0.1.10
[INFO] [stderr]    Compiling anyhow v1.0.62
[INFO] [stderr]    Compiling indoc v1.0.7
[INFO] [stderr]    Compiling pyo3-build-config v0.16.5
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking parking_lot_core v0.9.3
[INFO] [stderr]     Checking nix v0.23.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling pyo3-ffi v0.16.5
[INFO] [stderr]    Compiling pyo3 v0.16.5
[INFO] [stderr]    Compiling pyo3-macros-backend v0.16.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.32
[INFO] [stderr]     Checking shared_memory v0.12.4
[INFO] [stderr]    Compiling pyo3-macros v0.16.5
[INFO] [stderr]     Checking thiserror v1.0.32
[INFO] [stderr]     Checking pyarraypool v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.52s
[INFO] running `Command { std: "docker" "inspect" "c2cfa9b9f6d72f6404f64ec55803abb7300fd591c245ae6cff88f389053c20d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2cfa9b9f6d72f6404f64ec55803abb7300fd591c245ae6cff88f389053c20d0", kill_on_drop: false }`
[INFO] [stdout] c2cfa9b9f6d72f6404f64ec55803abb7300fd591c245ae6cff88f389053c20d0
[INFO] checking arthurlm/pyarraypool against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farthurlm%2Fpyarraypool" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/arthurlm/pyarraypool 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/arthurlm/pyarraypool
[INFO] finished tweaking git repo https://github.com/arthurlm/pyarraypool
[INFO] tweaked toml for git repo https://github.com/arthurlm/pyarraypool written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/arthurlm/pyarraypool 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 44aea321c9394613589d7be84c1174d271a4b414a3da371a44a481bcd523a815
[INFO] running `Command { std: "docker" "start" "-a" "44aea321c9394613589d7be84c1174d271a4b414a3da371a44a481bcd523a815", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44aea321c9394613589d7be84c1174d271a4b414a3da371a44a481bcd523a815", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44aea321c9394613589d7be84c1174d271a4b414a3da371a44a481bcd523a815", kill_on_drop: false }`
[INFO] [stdout] 44aea321c9394613589d7be84c1174d271a4b414a3da371a44a481bcd523a815
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 3221c04d6ac46a05fd8a6dce38615443db7f01a46262dcd165998e8e82640f9c
[INFO] running `Command { std: "docker" "start" "-a" "3221c04d6ac46a05fd8a6dce38615443db7f01a46262dcd165998e8e82640f9c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling target-lexicon v0.12.4
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling indoc v1.0.7
[INFO] [stderr]     Checking unindent v0.1.10
[INFO] [stderr]    Compiling anyhow v1.0.62
[INFO] [stderr]    Compiling pyo3-build-config v0.16.5
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking parking_lot_core v0.9.3
[INFO] [stderr]     Checking nix v0.23.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling pyo3-ffi v0.16.5
[INFO] [stderr]    Compiling pyo3 v0.16.5
[INFO] [stderr]    Compiling pyo3-macros-backend v0.16.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.32
[INFO] [stderr]     Checking shared_memory v0.12.4
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/shared_memory-0.12.4/src/lib.rs:121:21
[INFO] [stdout]     |
[INFO] [stdout] 121 | /                     match os_impl::create_mapping(&cur_id, self.size) {
[INFO] [stdout] 122 | |                         Err(ShmemError::MappingIdExists) => continue,
[INFO] [stdout] 123 | |                         Ok(m) => break m,
[INFO] [stdout] 124 | |                         Err(e) => {
[INFO] [stdout] 125 | |                             return Err(e);
[INFO] [stdout] 126 | |                         }
[INFO] [stdout] 127 | |                     };
[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 `shared_memory` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "3221c04d6ac46a05fd8a6dce38615443db7f01a46262dcd165998e8e82640f9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3221c04d6ac46a05fd8a6dce38615443db7f01a46262dcd165998e8e82640f9c", kill_on_drop: false }`
[INFO] [stdout] 3221c04d6ac46a05fd8a6dce38615443db7f01a46262dcd165998e8e82640f9c