[INFO] fetching crate nu-value-ext 0.44.0...
[INFO] checking nu-value-ext-0.44.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate nu-value-ext 0.44.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate nu-value-ext 0.44.0 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 crates.io crate nu-value-ext 0.44.0
[INFO] finished tweaking crates.io crate nu-value-ext 0.44.0
[INFO] tweaked toml for crates.io crate nu-value-ext 0.44.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 148 packages
[INFO] [stderr]       Adding ahash v0.7.8 (latest: v0.8.11)
[INFO] [stderr]       Adding arrow2 v0.7.1 (latest: v0.18.0)
[INFO] [stderr]       Adding bigdecimal v0.3.1 (latest: v0.4.3)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding byte-unit v4.0.19 (latest: v5.1.4)
[INFO] [stderr]       Adding comfy-table v1.6.0 (latest: v7.1.0)
[INFO] [stderr]       Adding crossterm v0.19.0 (latest: v0.27.0)
[INFO] [stderr]       Adding crossterm_winapi v0.7.0 (latest: v0.9.1)
[INFO] [stderr]       Adding derive-new v0.5.9 (latest: v0.6.0)
[INFO] [stderr]       Adding dirs v3.0.2 (latest: v5.0.1)
[INFO] [stderr]       Adding dirs-sys v0.3.7 (latest: v0.4.1)
[INFO] [stderr]       Adding hashbrown v0.11.2 (latest: v0.14.3)
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.3)
[INFO] [stderr]       Adding heck v0.3.3 (latest: v0.5.0)
[INFO] [stderr]       Adding indexmap v1.9.3 (latest: v2.2.6)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding memmap2 v0.5.10 (latest: v0.9.4)
[INFO] [stderr]       Adding mio v0.7.14 (latest: v0.8.11)
[INFO] [stderr]       Adding miow v0.3.7 (latest: v0.6.0)
[INFO] [stderr]       Adding multiversion v0.6.1 (latest: v0.7.4)
[INFO] [stderr]       Adding multiversion-macros v0.6.1 (latest: v0.7.4)
[INFO] [stderr]       Adding ntapi v0.3.7 (latest: v0.4.1)
[INFO] [stderr]       Adding nu-ansi-term v0.44.0 (latest: v0.50.0)
[INFO] [stderr]       Adding nu-protocol v0.44.0 (latest: v0.92.0)
[INFO] [stderr]       Adding parking_lot v0.11.2 (latest: v0.12.1)
[INFO] [stderr]       Adding parking_lot_core v0.8.6 (latest: v0.9.9)
[INFO] [stderr]       Adding polars v0.17.0 (latest: v0.38.3)
[INFO] [stderr]       Adding polars-arrow v0.17.0 (latest: v0.38.3)
[INFO] [stderr]       Adding polars-core v0.17.0 (latest: v0.38.3)
[INFO] [stderr]       Adding polars-io v0.17.0 (latest: v0.38.3)
[INFO] [stderr]       Adding polars-lazy v0.17.0 (latest: v0.38.3)
[INFO] [stderr]       Adding pretty v0.5.2 (latest: v0.12.3)
[INFO] [stderr]       Adding redox_syscall v0.2.16 (latest: v0.5.1)
[INFO] [stderr]       Adding serde_yaml v0.8.26 (latest: v0.9.34+deprecated)
[INFO] [stderr]       Adding signal-hook v0.1.17 (latest: v0.3.17)
[INFO] [stderr]       Adding strum v0.20.0 (latest: v0.26.2)
[INFO] [stderr]       Adding strum_macros v0.20.1 (latest: v0.26.2)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding toml v0.5.11 (latest: v0.8.12)
[INFO] [stderr]       Adding typed-arena v1.7.0 (latest: v2.0.2)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding windows-core v0.52.0 (latest: v0.55.0)
[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 unsafe_unwrap v0.1.0
[INFO] [stderr]   Downloaded polars v0.17.0
[INFO] [stderr]   Downloaded nu-source v0.44.0
[INFO] [stderr]   Downloaded polars-io v0.17.0
[INFO] [stderr]   Downloaded nu-errors v0.44.0
[INFO] [stderr]   Downloaded crossterm v0.19.0
[INFO] [stderr]   Downloaded crossterm_winapi v0.7.0
[INFO] [stderr]   Downloaded signal-hook v0.1.17
[INFO] [stderr]   Downloaded nu-ansi-term v0.44.0
[INFO] [stderr]   Downloaded polars-core v0.17.0
[INFO] [stderr]   Downloaded comfy-table v1.6.0
[INFO] [stderr]   Downloaded polars-lazy v0.17.0
[INFO] [stderr]   Downloaded arrow2 v0.7.1
[INFO] [stderr]   Downloaded polars-arrow v0.17.0
[INFO] [stderr]   Downloaded nu-protocol v0.44.0
[INFO] [stderr]   Downloaded pretty v0.5.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] b602cf4967310328368a2fd883d79ab92a0be277d641aa9ac251e735fc618920
[INFO] running `Command { std: "docker" "start" "-a" "b602cf4967310328368a2fd883d79ab92a0be277d641aa9ac251e735fc618920", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b602cf4967310328368a2fd883d79ab92a0be277d641aa9ac251e735fc618920", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b602cf4967310328368a2fd883d79ab92a0be277d641aa9ac251e735fc618920", kill_on_drop: false }`
[INFO] [stdout] b602cf4967310328368a2fd883d79ab92a0be277d641aa9ac251e735fc618920
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 04fb9bdabf041317063ccfe2ecf0b965417983a5093aa8c577abd2a6a45e2a53
[INFO] running `Command { std: "docker" "start" "-a" "04fb9bdabf041317063ccfe2ecf0b965417983a5093aa8c577abd2a6a45e2a53", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking typed-arena v1.7.0
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking nu-ansi-term v0.44.0
[INFO] [stderr]     Checking utf8-width v0.1.7
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]    Compiling derive-new v0.5.9
[INFO] [stderr]     Checking pretty v0.5.2
[INFO] [stderr]    Compiling getset v0.1.2
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking chrono v0.4.37
[INFO] [stderr]     Checking nu-source v0.44.0
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking codespan-reporting v0.11.1
[INFO] [stderr]     Checking byte-unit v4.0.19
[INFO] [stderr]     Checking serde_bytes v0.11.14
[INFO] [stderr]     Checking serde_yaml v0.8.26
[INFO] [stderr]     Checking bigdecimal v0.3.1
[INFO] [stderr]     Checking chrono-humanize v0.2.3
[INFO] [stderr]     Checking nu-errors v0.44.0
[INFO] [stderr]     Checking nu-protocol v0.44.0
[INFO] [stderr]     Checking nu-value-ext v0.44.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.42s
[INFO] running `Command { std: "docker" "inspect" "04fb9bdabf041317063ccfe2ecf0b965417983a5093aa8c577abd2a6a45e2a53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04fb9bdabf041317063ccfe2ecf0b965417983a5093aa8c577abd2a6a45e2a53", kill_on_drop: false }`
[INFO] [stdout] 04fb9bdabf041317063ccfe2ecf0b965417983a5093aa8c577abd2a6a45e2a53
[INFO] checking nu-value-ext-0.44.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate nu-value-ext 0.44.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate nu-value-ext 0.44.0 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 crates.io crate nu-value-ext 0.44.0
[INFO] finished tweaking crates.io crate nu-value-ext 0.44.0
[INFO] tweaked toml for crates.io crate nu-value-ext 0.44.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5df7e0970e455778c5fdcaa5a715d10d80825b49a62a43c9104380e8c014626a
[INFO] running `Command { std: "docker" "start" "-a" "5df7e0970e455778c5fdcaa5a715d10d80825b49a62a43c9104380e8c014626a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5df7e0970e455778c5fdcaa5a715d10d80825b49a62a43c9104380e8c014626a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5df7e0970e455778c5fdcaa5a715d10d80825b49a62a43c9104380e8c014626a", kill_on_drop: false }`
[INFO] [stdout] 5df7e0970e455778c5fdcaa5a715d10d80825b49a62a43c9104380e8c014626a
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba5fced814c46fa8580611b19ab92f9c150a8580aa9537c34b770e9f15fb3fd2
[INFO] running `Command { std: "docker" "start" "-a" "ba5fced814c46fa8580611b19ab92f9c150a8580aa9537c34b770e9f15fb3fd2", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking typed-arena v1.7.0
[INFO] [stderr]     Checking iana-time-zone v0.1.60
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking utf8-width v0.1.7
[INFO] [stderr]     Checking num-traits v0.2.18
[INFO] [stderr]    Compiling derive-new v0.5.9
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]     Checking nu-ansi-term v0.44.0
[INFO] [stderr]     Checking pretty v0.5.2
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]    Compiling getset v0.1.2
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking codespan-reporting v0.11.1
[INFO] [stderr]     Checking chrono v0.4.37
[INFO] [stderr]     Checking nu-source v0.44.0
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking byte-unit v4.0.19
[INFO] [stderr]     Checking serde_bytes v0.11.14
[INFO] [stderr]     Checking serde_yaml v0.8.26
[INFO] [stderr]     Checking bigdecimal v0.3.1
[INFO] [stderr]     Checking chrono-humanize v0.2.3
[INFO] [stderr]     Checking nu-errors v0.44.0
[INFO] [stderr]     Checking nu-protocol v0.44.0
[INFO] [stderr]     Checking nu-value-ext v0.44.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/lib.rs:299:25
[INFO] [stdout]     |
[INFO] [stdout] 299 | /                         if names.is_empty() {
[INFO] [stdout] 300 | |                             return ShellError::labeled_error_with_secondary(
[INFO] [stdout] 301 | |                                 "Unknown column",
[INFO] [stdout] 302 | |                                 primary_label,
[INFO] [stdout] ...   |
[INFO] [stdout] 322 | |                             );
[INFO] [stdout] 323 | |                         };
[INFO] [stdout]     | |_________________________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/lib.rs:299:25
[INFO] [stdout]     |
[INFO] [stdout] 299 | /                         if names.is_empty() {
[INFO] [stdout] 300 | |                             return ShellError::labeled_error_with_secondary(
[INFO] [stdout] 301 | |                                 "Unknown column",
[INFO] [stdout] 302 | |                                 primary_label,
[INFO] [stdout] ...   |
[INFO] [stdout] 322 | |                             );
[INFO] [stdout] 323 | |                         };
[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] [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 `nu-value-ext` (lib test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `nu-value-ext` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "ba5fced814c46fa8580611b19ab92f9c150a8580aa9537c34b770e9f15fb3fd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba5fced814c46fa8580611b19ab92f9c150a8580aa9537c34b770e9f15fb3fd2", kill_on_drop: false }`
[INFO] [stdout] ba5fced814c46fa8580611b19ab92f9c150a8580aa9537c34b770e9f15fb3fd2