[INFO] fetching crate virtual-node 0.5.0...
[INFO] checking virtual-node-0.5.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate virtual-node 0.5.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate virtual-node 0.5.0 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 virtual-node 0.5.0
[INFO] finished tweaking crates.io crate virtual-node 0.5.0
[INFO] tweaked toml for crates.io crate virtual-node 0.5.0 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 18 packages
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded html-validation v0.1.2
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d6aa96ab0e4ccdf56d5ab898b550b9b5d761a1400ed71d08f8ad9fea2e0d349
[INFO] running `Command { std: "docker" "start" "-a" "7d6aa96ab0e4ccdf56d5ab898b550b9b5d761a1400ed71d08f8ad9fea2e0d349", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d6aa96ab0e4ccdf56d5ab898b550b9b5d761a1400ed71d08f8ad9fea2e0d349", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d6aa96ab0e4ccdf56d5ab898b550b9b5d761a1400ed71d08f8ad9fea2e0d349", kill_on_drop: false }`
[INFO] [stdout] 7d6aa96ab0e4ccdf56d5ab898b550b9b5d761a1400ed71d08f8ad9fea2e0d349
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb96e60db4d2f4e2aefed58759f93d57f86b5014f2b54372ce4d2374f5fdc7bd
[INFO] running `Command { std: "docker" "start" "-a" "fb96e60db4d2f4e2aefed58759f93d57f86b5014f2b54372ce4d2374f5fdc7bd", kill_on_drop: false }`
[INFO] [stderr]     Checking html-validation v0.1.2
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.92
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.92
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.92
[INFO] [stderr]     Checking wasm-bindgen v0.2.92
[INFO] [stderr]     Checking js-sys v0.3.69
[INFO] [stderr]     Checking web-sys v0.3.69
[INFO] [stderr]     Checking virtual-node v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `web_sys` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:15:15
[INFO] [stdout]    |
[INFO] [stdout] 15 | use web_sys::{self, Node};
[INFO] [stdout]    |               ^^^^ the item `web_sys` is already defined by prelude
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `web_sys` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:15:15
[INFO] [stdout]    |
[INFO] [stdout] 15 | use web_sys::{self, Node};
[INFO] [stdout]    |               ^^^^ the item `web_sys` 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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.82s
[INFO] running `Command { std: "docker" "inspect" "fb96e60db4d2f4e2aefed58759f93d57f86b5014f2b54372ce4d2374f5fdc7bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb96e60db4d2f4e2aefed58759f93d57f86b5014f2b54372ce4d2374f5fdc7bd", kill_on_drop: false }`
[INFO] [stdout] fb96e60db4d2f4e2aefed58759f93d57f86b5014f2b54372ce4d2374f5fdc7bd
[INFO] checking virtual-node-0.5.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate virtual-node 0.5.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate virtual-node 0.5.0 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate virtual-node 0.5.0
[INFO] finished tweaking crates.io crate virtual-node 0.5.0
[INFO] tweaked toml for crates.io crate virtual-node 0.5.0 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 17ef322029d623d686dbcb00bd16f7422a759f273080d0d2188a4f94f2acf210
[INFO] running `Command { std: "docker" "start" "-a" "17ef322029d623d686dbcb00bd16f7422a759f273080d0d2188a4f94f2acf210", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17ef322029d623d686dbcb00bd16f7422a759f273080d0d2188a4f94f2acf210", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17ef322029d623d686dbcb00bd16f7422a759f273080d0d2188a4f94f2acf210", kill_on_drop: false }`
[INFO] [stdout] 17ef322029d623d686dbcb00bd16f7422a759f273080d0d2188a4f94f2acf210
[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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e714aef323d81f91276972af3298ca5ef3dd1f07d5c7090dc87f07e24e0edf99
[INFO] running `Command { std: "docker" "start" "-a" "e714aef323d81f91276972af3298ca5ef3dd1f07d5c7090dc87f07e24e0edf99", kill_on_drop: false }`
[INFO] [stderr]     Checking html-validation v0.1.2
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.92
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.92
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.92
[INFO] [stderr]     Checking wasm-bindgen v0.2.92
[INFO] [stderr]     Checking js-sys v0.3.69
[INFO] [stderr]     Checking web-sys v0.3.69
[INFO] [stderr]     Checking virtual-node v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `web_sys` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:15:15
[INFO] [stdout]    |
[INFO] [stdout] 15 | use web_sys::{self, Node};
[INFO] [stdout]    |               ^^^^ the item `web_sys` is already defined by prelude
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `web_sys` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:15:15
[INFO] [stdout]    |
[INFO] [stdout] 15 | use web_sys::{self, Node};
[INFO] [stdout]    |               ^^^^ the item `web_sys` 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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.10s
[INFO] running `Command { std: "docker" "inspect" "e714aef323d81f91276972af3298ca5ef3dd1f07d5c7090dc87f07e24e0edf99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e714aef323d81f91276972af3298ca5ef3dd1f07d5c7090dc87f07e24e0edf99", kill_on_drop: false }`
[INFO] [stdout] e714aef323d81f91276972af3298ca5ef3dd1f07d5c7090dc87f07e24e0edf99