[INFO] fetching crate taxonomy 0.10.0...
[INFO] checking taxonomy-0.10.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate taxonomy 0.10.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate taxonomy 0.10.0 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 taxonomy 0.10.0
[INFO] finished tweaking crates.io crate taxonomy 0.10.0
[INFO] tweaked toml for crates.io crate taxonomy 0.10.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 112 packages
[INFO] [stderr]       Adding anes v0.1.6 (latest: v0.2.0)
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[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] e4abf7cf7ec557a5b649c77deee067c72c5e0cccdb934c473111ab1e7c26b3bc
[INFO] running `Command { std: "docker" "start" "-a" "e4abf7cf7ec557a5b649c77deee067c72c5e0cccdb934c473111ab1e7c26b3bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4abf7cf7ec557a5b649c77deee067c72c5e0cccdb934c473111ab1e7c26b3bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4abf7cf7ec557a5b649c77deee067c72c5e0cccdb934c473111ab1e7c26b3bc", kill_on_drop: false }`
[INFO] [stdout] e4abf7cf7ec557a5b649c77deee067c72c5e0cccdb934c473111ab1e7c26b3bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 9e25120e3c9f652c03428760c9f66c4ce27482d7b3af61c3cd8a926d74f75028
[INFO] running `Command { std: "docker" "start" "-a" "9e25120e3c9f652c03428760c9f66c4ce27482d7b3af61c3cd8a926d74f75028", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking either v1.10.0
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[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking clap_lex v0.2.4
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[INFO] [stderr]     Checking rand v0.8.5
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[INFO] [stderr]    Compiling serde_derive v1.0.197
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[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking taxonomy v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking criterion v0.4.0
[INFO] [stdout] warning: the item `Taxonomy` is imported redundantly
[INFO] [stdout]    --> src/formats/json.rs:403:9
[INFO] [stdout]     |
[INFO] [stdout] 402 |     use super::*;
[INFO] [stdout]     |         -------- the item `Taxonomy` is already imported here
[INFO] [stdout] 403 |     use crate::taxonomy::Taxonomy;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Taxonomy` is imported redundantly
[INFO] [stdout]    --> src/formats/ncbi.rs:122:9
[INFO] [stdout]     |
[INFO] [stdout] 121 |     use super::*;
[INFO] [stdout]     |         -------- the item `Taxonomy` is already imported here
[INFO] [stdout] 122 |     use crate::taxonomy::Taxonomy;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Write` is imported redundantly
[INFO] [stdout]    --> src/formats/ncbi.rs:123:9
[INFO] [stdout]     |
[INFO] [stdout] 121 |     use super::*;
[INFO] [stdout]     |         -------- the item `Write` is already imported here
[INFO] [stdout] 122 |     use crate::taxonomy::Taxonomy;
[INFO] [stdout] 123 |     use std::io::Write;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Taxonomy` is imported redundantly
[INFO] [stdout]    --> src/formats/newick.rs:162:9
[INFO] [stdout]     |
[INFO] [stdout] 161 |     use super::*;
[INFO] [stdout]     |         -------- the item `Taxonomy` is already imported here
[INFO] [stdout] 162 |     use crate::taxonomy::Taxonomy;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.73s
[INFO] running `Command { std: "docker" "inspect" "9e25120e3c9f652c03428760c9f66c4ce27482d7b3af61c3cd8a926d74f75028", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e25120e3c9f652c03428760c9f66c4ce27482d7b3af61c3cd8a926d74f75028", kill_on_drop: false }`
[INFO] [stdout] 9e25120e3c9f652c03428760c9f66c4ce27482d7b3af61c3cd8a926d74f75028