[INFO] fetching crate hexchat-unsafe-plugin 2.3.0...
[INFO] checking hexchat-unsafe-plugin-2.3.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate hexchat-unsafe-plugin 2.3.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate hexchat-unsafe-plugin 2.3.0 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 hexchat-unsafe-plugin 2.3.0
[INFO] finished tweaking crates.io crate hexchat-unsafe-plugin 2.3.0
[INFO] tweaked toml for crates.io crate hexchat-unsafe-plugin 2.3.0 written to /workspace/builds/worker-7-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 7 packages
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[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 impl_trait v0.1.7
[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] 7226212b93b3b18ce64da8dcd96636a5b5aaf1dd13058cf726973ca11a935c8c
[INFO] running `Command { std: "docker" "start" "-a" "7226212b93b3b18ce64da8dcd96636a5b5aaf1dd13058cf726973ca11a935c8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7226212b93b3b18ce64da8dcd96636a5b5aaf1dd13058cf726973ca11a935c8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7226212b93b3b18ce64da8dcd96636a5b5aaf1dd13058cf726973ca11a935c8c", kill_on_drop: false }`
[INFO] [stdout] 7226212b93b3b18ce64da8dcd96636a5b5aaf1dd13058cf726973ca11a935c8c
[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] 017b1d3d3348828fd9e7ca116b336daeda81acae807827ca557a59afc93c803d
[INFO] running `Command { std: "docker" "start" "-a" "017b1d3d3348828fd9e7ca116b336daeda81acae807827ca557a59afc93c803d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling impl_trait v0.1.7
[INFO] [stderr]     Checking hexchat-unsafe-plugin v2.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]    --> src/internals.rs:23:5
[INFO] [stdout]     |
[INFO] [stdout] 23  | use libc;
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:197:1
[INFO] [stdout]     |
[INFO] [stdout] 197 | pub extern crate libc;
[INFO] [stdout]     | ---------------------- the item `libc` is already imported here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]    --> src/internals.rs:23:5
[INFO] [stdout]     |
[INFO] [stdout] 23  | use libc;
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:197:1
[INFO] [stdout]     |
[INFO] [stdout] 197 | pub extern crate libc;
[INFO] [stdout]     | ---------------------- the item `libc` is already imported here
[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 6.98s
[INFO] running `Command { std: "docker" "inspect" "017b1d3d3348828fd9e7ca116b336daeda81acae807827ca557a59afc93c803d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "017b1d3d3348828fd9e7ca116b336daeda81acae807827ca557a59afc93c803d", kill_on_drop: false }`
[INFO] [stdout] 017b1d3d3348828fd9e7ca116b336daeda81acae807827ca557a59afc93c803d
[INFO] checking hexchat-unsafe-plugin-2.3.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate hexchat-unsafe-plugin 2.3.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate hexchat-unsafe-plugin 2.3.0 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 hexchat-unsafe-plugin 2.3.0
[INFO] finished tweaking crates.io crate hexchat-unsafe-plugin 2.3.0
[INFO] tweaked toml for crates.io crate hexchat-unsafe-plugin 2.3.0 written to /workspace/builds/worker-7-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-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] e7de30f02c0a4d7c6eabc0380afb049eb08c70cc5f7b7250412866653731bf3d
[INFO] running `Command { std: "docker" "start" "-a" "e7de30f02c0a4d7c6eabc0380afb049eb08c70cc5f7b7250412866653731bf3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7de30f02c0a4d7c6eabc0380afb049eb08c70cc5f7b7250412866653731bf3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7de30f02c0a4d7c6eabc0380afb049eb08c70cc5f7b7250412866653731bf3d", kill_on_drop: false }`
[INFO] [stdout] e7de30f02c0a4d7c6eabc0380afb049eb08c70cc5f7b7250412866653731bf3d
[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] 8f24d4e9575ddd51bfaa6af9624a167ab25575270decc6ec99283ea916b4857b
[INFO] running `Command { std: "docker" "start" "-a" "8f24d4e9575ddd51bfaa6af9624a167ab25575270decc6ec99283ea916b4857b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling impl_trait v0.1.7
[INFO] [stderr]     Checking hexchat-unsafe-plugin v2.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]    --> src/internals.rs:23:5
[INFO] [stdout]     |
[INFO] [stdout] 23  | use libc;
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:197:1
[INFO] [stdout]     |
[INFO] [stdout] 197 | pub extern crate libc;
[INFO] [stdout]     | ---------------------- the item `libc` is already imported here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]    --> src/internals.rs:23:5
[INFO] [stdout]     |
[INFO] [stdout] 23  | use libc;
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:197:1
[INFO] [stdout]     |
[INFO] [stdout] 197 | pub extern crate libc;
[INFO] [stdout]     | ---------------------- the item `libc` is already imported here
[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 7.04s
[INFO] running `Command { std: "docker" "inspect" "8f24d4e9575ddd51bfaa6af9624a167ab25575270decc6ec99283ea916b4857b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f24d4e9575ddd51bfaa6af9624a167ab25575270decc6ec99283ea916b4857b", kill_on_drop: false }`
[INFO] [stdout] 8f24d4e9575ddd51bfaa6af9624a167ab25575270decc6ec99283ea916b4857b