[INFO] fetching crate libwizard 0.1.3...
[INFO] checking libwizard-0.1.3 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate libwizard 0.1.3 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate libwizard 0.1.3 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 libwizard 0.1.3
[INFO] finished tweaking crates.io crate libwizard 0.1.3
[INFO] tweaked toml for crates.io crate libwizard 0.1.3 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate libwizard 0.1.3 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 minify-js v0.4.3
[INFO] [stderr]   Downloaded css-minify v0.3.1
[INFO] [stderr]   Downloaded aho-corasick v0.7.20
[INFO] [stderr]   Downloaded parse-js v0.10.3
[INFO] [stderr]   Downloaded minify-html v0.11.1
[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] fe1088a19b86a8ac8afe197710a51acc7be176f8a87eae54b120b03f274f5bed
[INFO] running `Command { std: "docker" "start" "-a" "fe1088a19b86a8ac8afe197710a51acc7be176f8a87eae54b120b03f274f5bed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe1088a19b86a8ac8afe197710a51acc7be176f8a87eae54b120b03f274f5bed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe1088a19b86a8ac8afe197710a51acc7be176f8a87eae54b120b03f274f5bed", kill_on_drop: false }`
[INFO] [stdout] fe1088a19b86a8ac8afe197710a51acc7be176f8a87eae54b120b03f274f5bed
[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] 90306a25cfe9f8e51ee82f930d418bc233114d1f1293aeaab46c90424f2a3883
[INFO] running `Command { std: "docker" "start" "-a" "90306a25cfe9f8e51ee82f930d418bc233114d1f1293aeaab46c90424f2a3883", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking owo-colors v3.5.0
[INFO] [stderr]     Checking ctrlc v3.4.0
[INFO] [stderr]     Checking parse-js v0.10.3
[INFO] [stderr]     Checking minify-js v0.4.3
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]     Checking css-minify v0.3.1
[INFO] [stderr]     Checking minify-html v0.11.1
[INFO] [stderr]     Checking libwizard v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `minify_html` is imported redundantly
[INFO] [stdout]  --> src/rust_to_html.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use minify_html;
[INFO] [stdout]   |     ^^^^^^^^^^^ the item `minify_html` 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 `minify_html` is imported redundantly
[INFO] [stdout]  --> src/rust_to_html.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use minify_html;
[INFO] [stdout]   |     ^^^^^^^^^^^ the item `minify_html` 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 17.95s
[INFO] running `Command { std: "docker" "inspect" "90306a25cfe9f8e51ee82f930d418bc233114d1f1293aeaab46c90424f2a3883", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90306a25cfe9f8e51ee82f930d418bc233114d1f1293aeaab46c90424f2a3883", kill_on_drop: false }`
[INFO] [stdout] 90306a25cfe9f8e51ee82f930d418bc233114d1f1293aeaab46c90424f2a3883
[INFO] checking libwizard-0.1.3 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate libwizard 0.1.3 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate libwizard 0.1.3 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libwizard 0.1.3
[INFO] finished tweaking crates.io crate libwizard 0.1.3
[INFO] tweaked toml for crates.io crate libwizard 0.1.3 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate libwizard 0.1.3 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dca7bb4c2ed7921e8e8b1afc5ef39c81cde9a3a3438f02af8428d3ebb4bd4f3e
[INFO] running `Command { std: "docker" "start" "-a" "dca7bb4c2ed7921e8e8b1afc5ef39c81cde9a3a3438f02af8428d3ebb4bd4f3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dca7bb4c2ed7921e8e8b1afc5ef39c81cde9a3a3438f02af8428d3ebb4bd4f3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dca7bb4c2ed7921e8e8b1afc5ef39c81cde9a3a3438f02af8428d3ebb4bd4f3e", kill_on_drop: false }`
[INFO] [stdout] dca7bb4c2ed7921e8e8b1afc5ef39c81cde9a3a3438f02af8428d3ebb4bd4f3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 783fcf6f8ae448a12955264e594f482dd7601c24a1eaa34b38ab6df6c9ffd998
[INFO] running `Command { std: "docker" "start" "-a" "783fcf6f8ae448a12955264e594f482dd7601c24a1eaa34b38ab6df6c9ffd998", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking owo-colors v3.5.0
[INFO] [stderr]     Checking ctrlc v3.4.0
[INFO] [stderr]     Checking parse-js v0.10.3
[INFO] [stderr]     Checking minify-js v0.4.3
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]     Checking css-minify v0.3.1
[INFO] [stderr]     Checking minify-html v0.11.1
[INFO] [stderr]     Checking libwizard v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `minify_html` is imported redundantly
[INFO] [stdout]  --> src/rust_to_html.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use minify_html;
[INFO] [stdout]   |     ^^^^^^^^^^^ the item `minify_html` 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 `minify_html` is imported redundantly
[INFO] [stdout]  --> src/rust_to_html.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use minify_html;
[INFO] [stdout]   |     ^^^^^^^^^^^ the item `minify_html` 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 17.17s
[INFO] running `Command { std: "docker" "inspect" "783fcf6f8ae448a12955264e594f482dd7601c24a1eaa34b38ab6df6c9ffd998", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "783fcf6f8ae448a12955264e594f482dd7601c24a1eaa34b38ab6df6c9ffd998", kill_on_drop: false }`
[INFO] [stdout] 783fcf6f8ae448a12955264e594f482dd7601c24a1eaa34b38ab6df6c9ffd998