[INFO] fetching crate parse_selectors 2.1.2...
[INFO] checking parse_selectors-2.1.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate parse_selectors 2.1.2 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate parse_selectors 2.1.2 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 parse_selectors 2.1.2
[INFO] finished tweaking crates.io crate parse_selectors 2.1.2
[INFO] tweaked toml for crates.io crate parse_selectors 2.1.2 written to /workspace/builds/worker-0-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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 120 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded minify_selectors_utils v2.6.0
[INFO] [stderr]   Downloaded onig v6.4.0
[INFO] [stderr]   Downloaded onig_sys v69.8.1
[INFO] [stderr]   Downloaded encode_selector v0.4.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 31bf9863333e3c2755c1196e5cf6cbb5fdce8ddd5822abb89c413ede9f9b27fd
[INFO] running `Command { std: "docker" "start" "-a" "31bf9863333e3c2755c1196e5cf6cbb5fdce8ddd5822abb89c413ede9f9b27fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31bf9863333e3c2755c1196e5cf6cbb5fdce8ddd5822abb89c413ede9f9b27fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31bf9863333e3c2755c1196e5cf6cbb5fdce8ddd5822abb89c413ede9f9b27fd", kill_on_drop: false }`
[INFO] [stdout] 31bf9863333e3c2755c1196e5cf6cbb5fdce8ddd5822abb89c413ede9f9b27fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 4e72f4b11fc371f14a47a8f798a6fbe9d8db0905928b4d6396ba6005b14f7a3d
[INFO] running `Command { std: "docker" "start" "-a" "4e72f4b11fc371f14a47a8f798a6fbe9d8db0905928b4d6396ba6005b14f7a3d", kill_on_drop: false }`
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[INFO] [stderr]     Checking parse_selectors v2.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `parse_selectors` is imported redundantly
[INFO] [stdout]  --> tests/tests.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use parse_selectors;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^ the item `parse_selectors` is already defined by prelude
[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 26.93s
[INFO] running `Command { std: "docker" "inspect" "4e72f4b11fc371f14a47a8f798a6fbe9d8db0905928b4d6396ba6005b14f7a3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e72f4b11fc371f14a47a8f798a6fbe9d8db0905928b4d6396ba6005b14f7a3d", kill_on_drop: false }`
[INFO] [stdout] 4e72f4b11fc371f14a47a8f798a6fbe9d8db0905928b4d6396ba6005b14f7a3d