[INFO] fetching crate foxhole 0.3.0...
[INFO] checking foxhole-0.3.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate foxhole 0.3.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate foxhole 0.3.0 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 foxhole 0.3.0
[INFO] finished tweaking crates.io crate foxhole 0.3.0
[INFO] tweaked toml for crates.io crate foxhole 0.3.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate foxhole 0.3.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 5fcec8813a4b3bb795d43a86c0f24632adceba2fcbe08968afd6d149a07a98ac
[INFO] running `Command { std: "docker" "start" "-a" "5fcec8813a4b3bb795d43a86c0f24632adceba2fcbe08968afd6d149a07a98ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5fcec8813a4b3bb795d43a86c0f24632adceba2fcbe08968afd6d149a07a98ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fcec8813a4b3bb795d43a86c0f24632adceba2fcbe08968afd6d149a07a98ac", kill_on_drop: false }`
[INFO] [stdout] 5fcec8813a4b3bb795d43a86c0f24632adceba2fcbe08968afd6d149a07a98ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 937e7e0493cb4c169575822ca53c9a068ad0a99648101e54c54d7419cf313a9b
[INFO] running `Command { std: "docker" "start" "-a" "937e7e0493cb4c169575822ca53c9a068ad0a99648101e54c54d7419cf313a9b", kill_on_drop: false }`
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]     Checking foxhole v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Version` is imported redundantly
[INFO] [stdout]    --> src/http_utils.rs:208:37
[INFO] [stdout]     |
[INFO] [stdout] 207 |     use super::*;
[INFO] [stdout]     |         -------- the item `Version` is already imported here
[INFO] [stdout] 208 |     use http::{HeaderValue, Method, Version};
[INFO] [stdout]     |                                     ^^^^^^^
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "937e7e0493cb4c169575822ca53c9a068ad0a99648101e54c54d7419cf313a9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "937e7e0493cb4c169575822ca53c9a068ad0a99648101e54c54d7419cf313a9b", kill_on_drop: false }`
[INFO] [stdout] 937e7e0493cb4c169575822ca53c9a068ad0a99648101e54c54d7419cf313a9b
[INFO] checking foxhole-0.3.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate foxhole 0.3.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate foxhole 0.3.0 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 foxhole 0.3.0
[INFO] finished tweaking crates.io crate foxhole 0.3.0
[INFO] tweaked toml for crates.io crate foxhole 0.3.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate foxhole 0.3.0 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 22422eedd4869805cef3b6a0cb4c18c7c017a5a9a617a0681b01247a76f446a4
[INFO] running `Command { std: "docker" "start" "-a" "22422eedd4869805cef3b6a0cb4c18c7c017a5a9a617a0681b01247a76f446a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22422eedd4869805cef3b6a0cb4c18c7c017a5a9a617a0681b01247a76f446a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22422eedd4869805cef3b6a0cb4c18c7c017a5a9a617a0681b01247a76f446a4", kill_on_drop: false }`
[INFO] [stdout] 22422eedd4869805cef3b6a0cb4c18c7c017a5a9a617a0681b01247a76f446a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] d094f34f7b68b1f6760f4460b19dbd41a543bdafd3dcede294bc788d4571b11d
[INFO] running `Command { std: "docker" "start" "-a" "d094f34f7b68b1f6760f4460b19dbd41a543bdafd3dcede294bc788d4571b11d", kill_on_drop: false }`
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]     Checking foxhole v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Version` is imported redundantly
[INFO] [stdout]    --> src/http_utils.rs:208:37
[INFO] [stdout]     |
[INFO] [stdout] 207 |     use super::*;
[INFO] [stdout]     |         -------- the item `Version` is already imported here
[INFO] [stdout] 208 |     use http::{HeaderValue, Method, Version};
[INFO] [stdout]     |                                     ^^^^^^^
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.40s
[INFO] running `Command { std: "docker" "inspect" "d094f34f7b68b1f6760f4460b19dbd41a543bdafd3dcede294bc788d4571b11d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d094f34f7b68b1f6760f4460b19dbd41a543bdafd3dcede294bc788d4571b11d", kill_on_drop: false }`
[INFO] [stdout] d094f34f7b68b1f6760f4460b19dbd41a543bdafd3dcede294bc788d4571b11d