[INFO] fetching crate libwizard 0.1.3...
[INFO] checking libwizard-0.1.3 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[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 css-minify v0.3.1
[INFO] [stderr]   Downloaded ctrlc v3.4.0
[INFO] [stderr]   Downloaded parse-js v0.10.3
[INFO] [stderr]   Downloaded minify-js v0.4.3
[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] 677b7154bb1479231096e8e2cb9aa87fb6a2f62d7e91d1af2e1feee95db60db0
[INFO] running `Command { std: "docker" "start" "-a" "677b7154bb1479231096e8e2cb9aa87fb6a2f62d7e91d1af2e1feee95db60db0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "677b7154bb1479231096e8e2cb9aa87fb6a2f62d7e91d1af2e1feee95db60db0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "677b7154bb1479231096e8e2cb9aa87fb6a2f62d7e91d1af2e1feee95db60db0", kill_on_drop: false }`
[INFO] [stdout] 677b7154bb1479231096e8e2cb9aa87fb6a2f62d7e91d1af2e1feee95db60db0
[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] 67ad030001985815afb8ef875f2081a761ea5f737f934efe8c188b99c21c4ebf
[INFO] running `Command { std: "docker" "start" "-a" "67ad030001985815afb8ef875f2081a761ea5f737f934efe8c188b99c21c4ebf", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking owo-colors v3.5.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling quote v1.0.31
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking nix v0.26.2
[INFO] [stderr]     Checking parse-js v0.10.3
[INFO] [stderr]     Checking minify-js v0.4.3
[INFO] [stderr]     Checking ctrlc v3.4.0
[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 15.97s
[INFO] running `Command { std: "docker" "inspect" "67ad030001985815afb8ef875f2081a761ea5f737f934efe8c188b99c21c4ebf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67ad030001985815afb8ef875f2081a761ea5f737f934efe8c188b99c21c4ebf", kill_on_drop: false }`
[INFO] [stdout] 67ad030001985815afb8ef875f2081a761ea5f737f934efe8c188b99c21c4ebf
[INFO] checking libwizard-0.1.3 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[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 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 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ba0bb33a34ba2baa99568e50070131d18bbcd3afd968e3036e54ad1f813be4a
[INFO] running `Command { std: "docker" "start" "-a" "9ba0bb33a34ba2baa99568e50070131d18bbcd3afd968e3036e54ad1f813be4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ba0bb33a34ba2baa99568e50070131d18bbcd3afd968e3036e54ad1f813be4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ba0bb33a34ba2baa99568e50070131d18bbcd3afd968e3036e54ad1f813be4a", kill_on_drop: false }`
[INFO] [stdout] 9ba0bb33a34ba2baa99568e50070131d18bbcd3afd968e3036e54ad1f813be4a
[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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f08dc0168704a3ada32d487a3763b85e0e4706914d9a852ef094139ee65537a
[INFO] running `Command { std: "docker" "start" "-a" "9f08dc0168704a3ada32d487a3763b85e0e4706914d9a852ef094139ee65537a", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking owo-colors v3.5.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]    Compiling quote v1.0.31
[INFO] [stderr]     Checking parse-js v0.10.3
[INFO] [stderr]     Checking nix v0.26.2
[INFO] [stderr]     Checking minify-js v0.4.3
[INFO] [stderr]     Checking ctrlc v3.4.0
[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 11.81s
[INFO] running `Command { std: "docker" "inspect" "9f08dc0168704a3ada32d487a3763b85e0e4706914d9a852ef094139ee65537a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f08dc0168704a3ada32d487a3763b85e0e4706914d9a852ef094139ee65537a", kill_on_drop: false }`
[INFO] [stdout] 9f08dc0168704a3ada32d487a3763b85e0e4706914d9a852ef094139ee65537a