[INFO] fetching crate rs-utilities 0.4.2...
[INFO] checking rs-utilities-0.4.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate rs-utilities 0.4.2 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate rs-utilities 0.4.2 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 rs-utilities 0.4.2
[INFO] finished tweaking crates.io crate rs-utilities 0.4.2
[INFO] tweaked toml for crates.io crate rs-utilities 0.4.2 written to /workspace/builds/worker-4-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 137 packages
[INFO] [stderr]       Adding base64 v0.21.7 (latest: v0.22.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding env_logger v0.10.2 (latest: v0.11.3)
[INFO] [stderr]       Adding heck v0.4.1 (latest: v0.5.0)
[INFO] [stderr]       Adding hostname v0.3.1 (latest: v0.4.0)
[INFO] [stderr]       Adding idna v0.4.0 (latest: v0.5.0)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding quick-error v1.2.3 (latest: v2.0.1)
[INFO] [stderr]       Adding redox_syscall v0.4.1 (latest: v0.5.1)
[INFO] [stderr]       Adding rustls v0.21.10 (latest: v0.23.4)
[INFO] [stderr]       Adding rustls-pemfile v1.0.4 (latest: v2.1.1)
[INFO] [stderr]       Adding rustls-webpki v0.101.7 (latest: v0.102.2)
[INFO] [stderr]       Adding tokio-rustls v0.24.1 (latest: v0.26.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding webpki-roots v0.25.4 (latest: v0.26.1)
[INFO] [stderr]       Adding windows-core v0.52.0 (latest: v0.55.0)
[INFO] [stderr]       Adding windows-sys v0.48.0 (latest: v0.52.0)
[INFO] [stderr]       Adding windows-targets v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding winreg v0.50.0 (latest: v0.52.0)
[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 pretty_env_logger v0.5.0
[INFO] [stderr]   Downloaded ipconfig v0.3.2
[INFO] [stderr]   Downloaded enum-as-inner v0.6.0
[INFO] [stderr]   Downloaded trust-dns-resolver v0.23.2
[INFO] [stderr]   Downloaded trust-dns-proto v0.23.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 620661f3cbd56facd2727f7a2cc527462c08a925b19bbc9ba1cbc1d06e8f03a1
[INFO] running `Command { std: "docker" "start" "-a" "620661f3cbd56facd2727f7a2cc527462c08a925b19bbc9ba1cbc1d06e8f03a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "620661f3cbd56facd2727f7a2cc527462c08a925b19bbc9ba1cbc1d06e8f03a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "620661f3cbd56facd2727f7a2cc527462c08a925b19bbc9ba1cbc1d06e8f03a1", kill_on_drop: false }`
[INFO] [stdout] 620661f3cbd56facd2727f7a2cc527462c08a925b19bbc9ba1cbc1d06e8f03a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] bc3bf96d9b72e0e177695535fb4953bb53a5a3c0ca55c3ddb70003d027670131
[INFO] running `Command { std: "docker" "start" "-a" "bc3bf96d9b72e0e177695535fb4953bb53a5a3c0ca55c3ddb70003d027670131", kill_on_drop: false }`
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking rustls v0.21.10
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]    Compiling enum-as-inner v0.6.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking is-terminal v0.4.12
[INFO] [stderr]     Checking data-encoding v2.5.0
[INFO] [stderr]     Checking env_logger v0.10.2
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]    Compiling anyhow v1.0.81
[INFO] [stderr]     Checking resolv-conf v0.7.0
[INFO] [stderr]     Checking chrono v0.4.37
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking pretty_env_logger v0.5.0
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking tokio-rustls v0.24.1
[INFO] [stderr]     Checking trust-dns-proto v0.23.2
[INFO] [stderr]     Checking trust-dns-resolver v0.23.2
[INFO] [stderr]     Checking rs-utilities v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `webpki_roots` is imported redundantly
[INFO] [stdout]   --> src/dns.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use webpki_roots;
[INFO] [stdout]    |     ^^^^^^^^^^^^ the item `webpki_roots` 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 `webpki_roots` is imported redundantly
[INFO] [stdout]   --> src/dns.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use webpki_roots;
[INFO] [stdout]    |     ^^^^^^^^^^^^ the item `webpki_roots` 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 14.72s
[INFO] running `Command { std: "docker" "inspect" "bc3bf96d9b72e0e177695535fb4953bb53a5a3c0ca55c3ddb70003d027670131", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc3bf96d9b72e0e177695535fb4953bb53a5a3c0ca55c3ddb70003d027670131", kill_on_drop: false }`
[INFO] [stdout] bc3bf96d9b72e0e177695535fb4953bb53a5a3c0ca55c3ddb70003d027670131
[INFO] checking rs-utilities-0.4.2 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate rs-utilities 0.4.2 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate rs-utilities 0.4.2 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 rs-utilities 0.4.2
[INFO] finished tweaking crates.io crate rs-utilities 0.4.2
[INFO] tweaked toml for crates.io crate rs-utilities 0.4.2 written to /workspace/builds/worker-4-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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] be4c6374a52b6e38f809d7568411d2d4a96c6dc1db1f9e3a8b973a6ef83e501f
[INFO] running `Command { std: "docker" "start" "-a" "be4c6374a52b6e38f809d7568411d2d4a96c6dc1db1f9e3a8b973a6ef83e501f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be4c6374a52b6e38f809d7568411d2d4a96c6dc1db1f9e3a8b973a6ef83e501f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be4c6374a52b6e38f809d7568411d2d4a96c6dc1db1f9e3a8b973a6ef83e501f", kill_on_drop: false }`
[INFO] [stdout] be4c6374a52b6e38f809d7568411d2d4a96c6dc1db1f9e3a8b973a6ef83e501f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] aad71ed241304d2768ad822f670c8710224660e4a0359fbcb38a7ada6b8efc6f
[INFO] running `Command { std: "docker" "start" "-a" "aad71ed241304d2768ad822f670c8710224660e4a0359fbcb38a7ada6b8efc6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]     Checking ring v0.17.8
[INFO] [stderr]    Compiling rustls v0.21.10
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling enum-as-inner v0.6.0
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking is-terminal v0.4.12
[INFO] [stderr]     Checking data-encoding v2.5.0
[INFO] [stderr]    Compiling anyhow v1.0.81
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking env_logger v0.10.2
[INFO] [stderr]     Checking resolv-conf v0.7.0
[INFO] [stderr]     Checking webpki-roots v0.25.4
[INFO] [stderr]     Checking pretty_env_logger v0.5.0
[INFO] [stderr]     Checking chrono v0.4.37
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking sct v0.7.1
[INFO] [stderr]     Checking rustls-webpki v0.101.7
[INFO] [stderr]     Checking tokio-rustls v0.24.1
[INFO] [stderr]     Checking trust-dns-proto v0.23.2
[INFO] [stderr]     Checking trust-dns-resolver v0.23.2
[INFO] [stderr]     Checking rs-utilities v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `webpki_roots` is imported redundantly
[INFO] [stdout]   --> src/dns.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use webpki_roots;
[INFO] [stdout]    |     ^^^^^^^^^^^^ the item `webpki_roots` 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 `webpki_roots` is imported redundantly
[INFO] [stdout]   --> src/dns.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use webpki_roots;
[INFO] [stdout]    |     ^^^^^^^^^^^^ the item `webpki_roots` 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 13.34s
[INFO] running `Command { std: "docker" "inspect" "aad71ed241304d2768ad822f670c8710224660e4a0359fbcb38a7ada6b8efc6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aad71ed241304d2768ad822f670c8710224660e4a0359fbcb38a7ada6b8efc6f", kill_on_drop: false }`
[INFO] [stdout] aad71ed241304d2768ad822f670c8710224660e4a0359fbcb38a7ada6b8efc6f