[INFO] fetching crate polars-io 0.22.7...
[INFO] checking polars-io-0.22.7 against try#e61be1c89a2b3fd02452eef3c6186592711e4772 for pr-98456
[INFO] extracting crate polars-io 0.22.7 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate polars-io 0.22.7 on toolchain e61be1c89a2b3fd02452eef3c6186592711e4772
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e61be1c89a2b3fd02452eef3c6186592711e4772" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate polars-io 0.22.7
[INFO] finished tweaking crates.io crate polars-io 0.22.7
[INFO] tweaked toml for crates.io crate polars-io 0.22.7 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e61be1c89a2b3fd02452eef3c6186592711e4772" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e61be1c89a2b3fd02452eef3c6186592711e4772" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+e61be1c89a2b3fd02452eef3c6186592711e4772" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b9ecac9d38248d1decf297d2d25e0061d8ac3342436e28da0478f2c196197f63
[INFO] running `Command { std: "docker" "start" "-a" "b9ecac9d38248d1decf297d2d25e0061d8ac3342436e28da0478f2c196197f63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9ecac9d38248d1decf297d2d25e0061d8ac3342436e28da0478f2c196197f63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9ecac9d38248d1decf297d2d25e0061d8ac3342436e28da0478f2c196197f63", kill_on_drop: false }`
[INFO] [stdout] b9ecac9d38248d1decf297d2d25e0061d8ac3342436e28da0478f2c196197f63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+e61be1c89a2b3fd02452eef3c6186592711e4772" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 294e3bdebbe7a3136183f0e169a6a6f955ea74cfb3001ce05ece5338be2c6010
[INFO] running `Command { std: "docker" "start" "-a" "294e3bdebbe7a3136183f0e169a6a6f955ea74cfb3001ce05ece5338be2c6010", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.10
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking smallvec v1.8.1
[INFO] [stderr]    Compiling anyhow v1.0.58
[INFO] [stderr]     Checking hash_hasher v2.0.3
[INFO] [stderr]     Checking simdutf8 v0.1.4
[INFO] [stderr]     Checking strength_reduce v0.2.3
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking lexical-util v0.8.5
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.9
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.5
[INFO] [stderr]     Checking lexical-parse-integer v0.8.6
[INFO] [stderr]     Checking lexical-write-integer v0.8.5
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking lexical-parse-float v0.8.5
[INFO] [stderr]     Checking lexical-write-float v0.8.5
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking lexical-core v0.8.5
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num-complex v0.4.2
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]     Checking hashbrown v0.12.1
[INFO] [stderr]     Checking polars-utils v0.22.7
[INFO] [stderr]    Compiling multiversion-macros v0.6.1
[INFO] [stderr]    Compiling bytemuck_derive v1.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]     Checking multiversion v0.6.1
[INFO] [stderr]     Checking bytemuck v1.9.1
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking arrow2 v0.12.0
[INFO] [stderr]     Checking polars-arrow v0.22.7
[INFO] [stderr]     Checking polars-core v0.22.7
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/polars-core-0.22.7/src/chunked_array/builder/boolean.rs:30:15
[INFO] [stdout]    |
[INFO] [stdout] 30 |             ..Default::default()
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^ cannot infer type for type parameter `T` declared on the struct `ChunkedArray`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/polars-core-0.22.7/src/chunked_array/builder/list.rs:54:15
[INFO] [stdout]     |
[INFO] [stdout] 54  |             ..Default::default()
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^ cannot infer type for type parameter `T`
[INFO] [stdout] ...
[INFO] [stdout] 172 |         finish_list_builder!(self)
[INFO] [stdout]     |         -------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `finish_list_builder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/polars-core-0.22.7/src/chunked_array/builder/list.rs:54:15
[INFO] [stdout]     |
[INFO] [stdout] 54  |             ..Default::default()
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^ cannot infer type for type parameter `T`
[INFO] [stdout] ...
[INFO] [stdout] 256 |         finish_list_builder!(self)
[INFO] [stdout]     |         -------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `finish_list_builder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/polars-core-0.22.7/src/chunked_array/builder/list.rs:54:15
[INFO] [stdout]     |
[INFO] [stdout] 54  |             ..Default::default()
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^ cannot infer type for type parameter `T`
[INFO] [stdout] ...
[INFO] [stdout] 326 |         finish_list_builder!(self)
[INFO] [stdout]     |         -------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `finish_list_builder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/polars-core-0.22.7/src/chunked_array/builder/primitive.rs:33:15
[INFO] [stdout]    |
[INFO] [stdout] 33 |             ..Default::default()
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^ cannot infer type for type parameter `T`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/polars-core-0.22.7/src/chunked_array/builder/utf8.rs:48:15
[INFO] [stdout]    |
[INFO] [stdout] 48 |             ..Default::default()
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^ cannot infer type for type parameter `T`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/polars-core-0.22.7/src/chunked_array/builder/mod.rs:133:15
[INFO] [stdout]     |
[INFO] [stdout] 133 |             ..Default::default()
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^ cannot infer type for type parameter `T`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/polars-core-0.22.7/src/chunked_array/builder/mod.rs:152:15
[INFO] [stdout]     |
[INFO] [stdout] 152 |             ..Default::default()
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^ cannot infer type for type parameter `T`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/polars-core-0.22.7/src/chunked_array/mod.rs:502:15
[INFO] [stdout]     |
[INFO] [stdout] 502 |             ..Default::default()
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^ cannot infer type for type parameter `T`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 9 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `polars-core` due to 10 previous errors
[INFO] running `Command { std: "docker" "inspect" "294e3bdebbe7a3136183f0e169a6a6f955ea74cfb3001ce05ece5338be2c6010", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "294e3bdebbe7a3136183f0e169a6a6f955ea74cfb3001ce05ece5338be2c6010", kill_on_drop: false }`
[INFO] [stdout] 294e3bdebbe7a3136183f0e169a6a6f955ea74cfb3001ce05ece5338be2c6010