[INFO] fetching crate rust_xlsxwriter 0.56.0...
[INFO] checking rust_xlsxwriter-0.56.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate rust_xlsxwriter 0.56.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate rust_xlsxwriter 0.56.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust_xlsxwriter 0.56.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate rust_xlsxwriter 0.56.0
[INFO] tweaked toml for crates.io crate rust_xlsxwriter 0.56.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate rust_xlsxwriter 0.56.0 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded polars-error v0.35.4
[INFO] [stderr]   Downloaded polars-utils v0.35.4
[INFO] [stderr]   Downloaded polars v0.35.4
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[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.94
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[INFO] [stderr]   Downloaded scratch v1.0.5
[INFO] [stderr]   Downloaded polars-ops v0.35.4
[INFO] [stderr]   Downloaded argminmax v0.6.1
[INFO] [stderr]   Downloaded polars-arrow v0.35.4
[INFO] [stderr]   Downloaded polars-core v0.35.4
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.94
[INFO] [stderr]   Downloaded cxx v1.0.94
[INFO] [stderr]   Downloaded cxx-build v1.0.94
[INFO] [stderr]   Downloaded ethnum v1.3.2
[INFO] [stderr]   Downloaded flate2 v1.0.25
[INFO] [stderr]   Downloaded iana-time-zone-haiku v0.1.1
[INFO] [stderr]   Downloaded iana-time-zone v0.1.54
[INFO] [stderr]   Downloaded multiversion-macros v0.7.3
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[INFO] [stderr]   Downloaded polars-row v0.35.4
[INFO] [stderr]   Downloaded bytemuck_derive v1.4.1
[INFO] [stderr]   Downloaded windows v0.46.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e96fe0c04971a8f64e989eb602c39398c1626e9a4aab7d522fe5a235f30a7a0
[INFO] running `Command { std: "docker" "start" "-a" "6e96fe0c04971a8f64e989eb602c39398c1626e9a4aab7d522fe5a235f30a7a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e96fe0c04971a8f64e989eb602c39398c1626e9a4aab7d522fe5a235f30a7a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e96fe0c04971a8f64e989eb602c39398c1626e9a4aab7d522fe5a235f30a7a0", kill_on_drop: false }`
[INFO] [stdout] 6e96fe0c04971a8f64e989eb602c39398c1626e9a4aab7d522fe5a235f30a7a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e3b2a9ba3687eefd87f638220f837ea2e1c370490737f92f2363fdfeeb04de2
[INFO] running `Command { std: "docker" "start" "-a" "8e3b2a9ba3687eefd87f638220f837ea2e1c370490737f92f2363fdfeeb04de2", kill_on_drop: false }`
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking memchr v2.6.3
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]     Checking pretty_assertions v1.3.0
[INFO] [stderr]     Checking flate2 v1.0.25
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking zip v0.6.6
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking rust_xlsxwriter v0.56.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `chart::*`
[INFO] [stdout]    --> src/lib.rs:209:9
[INFO] [stdout]     |
[INFO] [stdout] 209 | pub use chart::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `XlsxError` is imported redundantly
[INFO] [stdout]   --> src/worksheet/tests.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     use crate::worksheet::*;
[INFO] [stdout]    |         ------------------- the item `XlsxError` is already imported here
[INFO] [stdout] 12 |     use crate::XlsxError;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `HashMap` is imported redundantly
[INFO] [stdout]   --> src/worksheet/tests.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     use crate::worksheet::*;
[INFO] [stdout]    |         ------------------- the item `HashMap` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 14 |     use std::collections::HashMap;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `chart::*`
[INFO] [stdout]    --> src/lib.rs:209:9
[INFO] [stdout]     |
[INFO] [stdout] 209 | pub use chart::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.57s
[INFO] running `Command { std: "docker" "inspect" "8e3b2a9ba3687eefd87f638220f837ea2e1c370490737f92f2363fdfeeb04de2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e3b2a9ba3687eefd87f638220f837ea2e1c370490737f92f2363fdfeeb04de2", kill_on_drop: false }`
[INFO] [stdout] 8e3b2a9ba3687eefd87f638220f837ea2e1c370490737f92f2363fdfeeb04de2