[INFO] fetching crate polars-mongo 0.2.0...
[INFO] checking polars-mongo-0.2.0 against try#724e78794d2cf06eef820a24c9a4608d63435e1d for pr-149145
[INFO] extracting crate polars-mongo 0.2.0 into /workspace/builds/worker-3-tc2/source
[INFO] removed /workspace/builds/worker-3-tc2/source/rust-toolchain
[INFO] started tweaking crates.io crate polars-mongo 0.2.0
[INFO] finished tweaking crates.io crate polars-mongo 0.2.0
[INFO] tweaked toml for crates.io crate polars-mongo 0.2.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate polars-mongo 0.2.0 on toolchain 724e78794d2cf06eef820a24c9a4608d63435e1d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+724e78794d2cf06eef820a24c9a4608d63435e1d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+724e78794d2cf06eef820a24c9a4608d63435e1d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 344 packages to latest compatible versions
[INFO] [stderr]       Adding async-executor v1.5.1 (available: v1.13.3)
[INFO] [stderr]       Adding async-global-executor v2.3.1 (available: v2.4.1)
[INFO] [stderr]       Adding async-std v1.12.0 (available: v1.13.2)
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] [stderr]       Adding mongodb v2.8.2 (available: v3.4.1)
[INFO] [stderr]       Adding polars v0.24.3 (available: v0.52.0)
[INFO] [stderr]       Adding polars-core v0.24.3 (available: v0.52.0)
[INFO] [stderr]       Adding polars-io v0.24.3 (available: v0.24.4)
[INFO] [stderr]       Adding polars-lazy v0.24.3 (available: v0.24.4)
[INFO] [stderr]       Adding polars-ops v0.24.3 (available: v0.24.4)
[INFO] [stderr]       Adding polars-time v0.24.3 (available: v0.24.4)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+724e78794d2cf06eef820a24c9a4608d63435e1d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+724e78794d2cf06eef820a24c9a4608d63435e1d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a911a172f0ffda52f2f0691b6b87bde3a5715e5ee060cd3b7b1e6004729adea4
[INFO] running `Command { std: "docker" "start" "-a" "a911a172f0ffda52f2f0691b6b87bde3a5715e5ee060cd3b7b1e6004729adea4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a911a172f0ffda52f2f0691b6b87bde3a5715e5ee060cd3b7b1e6004729adea4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a911a172f0ffda52f2f0691b6b87bde3a5715e5ee060cd3b7b1e6004729adea4", kill_on_drop: false }`
[INFO] [stdout] a911a172f0ffda52f2f0691b6b87bde3a5715e5ee060cd3b7b1e6004729adea4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+724e78794d2cf06eef820a24c9a4608d63435e1d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f2d5065c6f434f2ee41406dd8ddb8167851a41d7d0ec962ccf524e89a6671a87
[INFO] running `Command { std: "docker" "start" "-a" "f2d5065c6f434f2ee41406dd8ddb8167851a41d7d0ec962ccf524e89a6671a87", kill_on_drop: false }`
[INFO] [stderr]     Checking value-bag v1.12.0
[INFO] [stderr]     Checking lexical-util v0.8.5
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rayon v1.11.0
[INFO] [stderr]     Checking signal-hook v0.3.18
[INFO] [stderr]    Compiling multiversion-macros v0.6.1
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking futures-lite v2.6.1
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling smartstring v1.0.1
[INFO] [stderr]     Checking strength_reduce v0.2.4
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking ethnum v1.5.2
[INFO] [stderr]     Checking log v0.4.28
[INFO] [stderr]    Compiling rustix v0.37.28
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking waker-fn v1.2.0
[INFO] [stderr]     Checking foreign_vec v0.1.0
[INFO] [stderr]     Checking lexical-parse-integer v0.8.6
[INFO] [stderr]     Checking lexical-write-integer v0.8.5
[INFO] [stderr]     Checking hash_hasher v2.0.4
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]     Checking simdutf8 v0.1.5
[INFO] [stderr]     Checking rustix v1.1.2
[INFO] [stderr]     Checking lexical-parse-float v0.8.5
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking tinystr v0.8.2
[INFO] [stderr]     Checking lexical-write-float v0.8.5
[INFO] [stderr]     Checking zerotrie v0.2.3
[INFO] [stderr]     Checking icu_collections v2.1.1
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]    Compiling strum_macros v0.23.1
[INFO] [stderr]     Checking async-lock v2.8.0
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking icu_locale_core v2.1.1
[INFO] [stderr]     Checking socket2 v0.6.1
[INFO] [stderr]     Checking mio v1.1.0
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]     Checking strum v0.23.0
[INFO] [stderr]     Checking lexical-core v0.8.5
[INFO] [stderr]     Checking signal-hook-mio v0.2.5
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking crossterm v0.23.2
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]     Checking fastrand v2.3.0
[INFO] [stderr]    Compiling darling_core v0.13.4
[INFO] [stderr]     Checking tokio v1.48.0
[INFO] [stderr]     Checking multiversion v0.6.1
[INFO] [stderr]     Checking form_urlencoded v1.2.2
[INFO] [stderr]     Checking arrow2 v0.14.2
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking icu_provider v2.1.1
[INFO] [stderr]     Checking async-channel v2.5.0
[INFO] [stderr]     Checking piper v0.2.4
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]     Checking matches v0.1.10
[INFO] [stderr]     Checking blocking v1.6.2
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]    Compiling enum-as-inner v0.4.0
[INFO] [stderr]     Checking async-executor v1.5.1
[INFO] [stderr]     Checking icu_properties v2.1.1
[INFO] [stderr]     Checking icu_normalizer v2.1.1
[INFO] [stderr]     Checking lexical v6.1.1
[INFO] [stderr]     Checking event-listener v3.1.0
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking comfy-table v5.0.1
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]    Compiling time-macros v0.2.24
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]     Checking wyz v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]    Compiling rustc_version_runtime v0.2.1
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]     Checking memmap2 v0.5.10
[INFO] [stderr]     Checking resolv-conf v0.7.6
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]     Checking rustc_version v0.2.3
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking polars-utils v0.24.4
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]     Checking ahash v0.8.12
[INFO] [stderr]     Checking uuid v1.18.1
[INFO] [stderr]     Checking serde_bytes v0.11.19
[INFO] [stderr]     Checking polling v3.11.0
[INFO] [stderr]     Checking unicode-properties v0.1.4
[INFO] [stderr]     Checking glob v0.3.3
[INFO] [stderr]     Checking idna_adapter v1.2.1
[INFO] [stderr]     Checking stringprep v0.1.5
[INFO] [stderr]    Compiling derive_more v0.99.20
[INFO] [stderr]     Checking async-io v2.6.0
[INFO] [stderr]     Checking idna v1.1.0
[INFO] [stderr]     Checking sha-1 v0.10.1
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking md-5 v0.10.6
[INFO] [stderr]     Checking indexmap v1.9.3
[INFO] [stderr]     Checking async-global-executor v2.3.1
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking pbkdf2 v0.11.0
[INFO] [stderr]    Compiling typed-builder v0.10.0
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking url v2.5.7
[INFO] [stderr]     Checking async-signal v0.2.13
[INFO] [stderr]     Checking time v0.3.44
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]    Compiling darling_macro v0.13.4
[INFO] [stderr]     Checking async-process v1.8.1
[INFO] [stderr]     Checking async-std v1.12.0
[INFO] [stderr]    Compiling darling v0.13.4
[INFO] [stderr]    Compiling serde_with_macros v1.5.2
[INFO] [stderr]     Checking polars-arrow v0.24.4
[INFO] [stderr]     Checking rustls-webpki v0.101.7
[INFO] [stderr]     Checking sct v0.7.1
[INFO] [stderr]     Checking serde_with v1.14.0
[INFO] [stderr]     Checking polars-core v0.24.3
[INFO] [stderr]     Checking bson v2.15.0
[INFO] [stderr]     Checking trust-dns-proto v0.21.2
[INFO] [stderr]     Checking tokio-util v0.7.17
[INFO] [stdout] error[E0659]: `arrow` is ambiguous
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/polars-core-0.24.3/src/utils/mod.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub use {arrow, rayon};
[INFO] [stdout]    |          ^^^^^ ambiguous name
[INFO] [stdout]    |
[INFO] [stdout]    = note: ambiguous because of a conflict between a name from a glob import and an outer scope during import or macro resolution
[INFO] [stdout]    = note: `arrow` could refer to a crate passed with `--extern`
[INFO] [stdout]    = help: use `::arrow` to refer to this crate unambiguously
[INFO] [stdout] note: `arrow` could also refer to the crate imported here
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/polars-core-0.24.3/src/utils/mod.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use crate::prelude::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = help: consider adding an explicit import of `arrow` to disambiguate
[INFO] [stdout]    = help: or use `self::arrow` to refer to this crate unambiguously
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tokio-rustls v0.24.1
[INFO] [stderr]     Checking trust-dns-resolver v0.21.2
[INFO] [stderr]     Checking async-std-resolver v0.21.2
[INFO] [stderr]     Checking mongodb v2.8.2
[INFO] [stdout] For more information about this error, try `rustc --explain E0659`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `polars-core` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "f2d5065c6f434f2ee41406dd8ddb8167851a41d7d0ec962ccf524e89a6671a87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2d5065c6f434f2ee41406dd8ddb8167851a41d7d0ec962ccf524e89a6671a87", kill_on_drop: false }`
[INFO] [stdout] f2d5065c6f434f2ee41406dd8ddb8167851a41d7d0ec962ccf524e89a6671a87