[INFO] fetching crate polylabel_cmd 1.4.0...
[INFO] checking polylabel_cmd-1.4.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate polylabel_cmd 1.4.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate polylabel_cmd 1.4.0 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 polylabel_cmd 1.4.0
[INFO] finished tweaking crates.io crate polylabel_cmd 1.4.0
[INFO] tweaked toml for crates.io crate polylabel_cmd 1.4.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate polylabel_cmd 1.4.0 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 quote v1.0.8
[INFO] [stderr]   Downloaded terminal_size v0.1.16
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[INFO] [stderr]   Downloaded const_fn v0.4.5
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[INFO] [stderr]   Downloaded geojson v0.22.0
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[INFO] [stderr]   Downloaded approx v0.4.0
[INFO] [stderr]   Downloaded geo-types v0.7.0
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[INFO] [stderr]   Downloaded robust v0.2.3
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[INFO] [stderr]   Downloaded serde v1.0.123
[INFO] [stderr]   Downloaded serde_json v1.0.61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 4bddb570dba34aaa4abba744295c36f9cdde05c3a635adecc5ae3bfe2eaec627
[INFO] running `Command { std: "docker" "start" "-a" "4bddb570dba34aaa4abba744295c36f9cdde05c3a635adecc5ae3bfe2eaec627", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4bddb570dba34aaa4abba744295c36f9cdde05c3a635adecc5ae3bfe2eaec627", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bddb570dba34aaa4abba744295c36f9cdde05c3a635adecc5ae3bfe2eaec627", kill_on_drop: false }`
[INFO] [stdout] 4bddb570dba34aaa4abba744295c36f9cdde05c3a635adecc5ae3bfe2eaec627
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 1628d850da69ae4ba887b6c87ac9cf790ddfee57e13cf31ca073229eb9ed558a
[INFO] running `Command { std: "docker" "start" "-a" "1628d850da69ae4ba887b6c87ac9cf790ddfee57e13cf31ca073229eb9ed558a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.85
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling heapless v0.5.6
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]     Checking pdqselect v0.1.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking hash32 v0.1.1
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking geographiclib-rs v0.2.0
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking robust v0.2.3
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking number_prefix v0.3.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking terminal_size v0.1.16
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]     Checking as-slice v0.1.4
[INFO] [stderr]     Checking console v0.14.0
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]     Checking indicatif v0.15.0
[INFO] [stderr]     Checking rstar v0.8.2
[INFO] [stderr]     Checking geo-types v0.7.0
[INFO] [stderr]     Checking geo v0.17.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking polylabel v2.4.0
[INFO] [stderr]     Checking geojson v0.22.0
[INFO] [stderr]     Checking polylabel_cmd v1.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `GeoJson` is imported redundantly
[INFO] [stdout]    --> src/main.rs:218:9
[INFO] [stdout]     |
[INFO] [stdout] 217 |     use super::*;
[INFO] [stdout]     |         -------- the item `GeoJson` is already imported here
[INFO] [stdout] 218 |     use geojson::GeoJson;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.32s
[INFO] running `Command { std: "docker" "inspect" "1628d850da69ae4ba887b6c87ac9cf790ddfee57e13cf31ca073229eb9ed558a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1628d850da69ae4ba887b6c87ac9cf790ddfee57e13cf31ca073229eb9ed558a", kill_on_drop: false }`
[INFO] [stdout] 1628d850da69ae4ba887b6c87ac9cf790ddfee57e13cf31ca073229eb9ed558a