[INFO] cloning repository https://github.com/hkohko/duckduckgo-cli-search
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hkohko/duckduckgo-cli-search" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhkohko%2Fduckduckgo-cli-search", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhkohko%2Fduckduckgo-cli-search'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3118fb6665640a0f9fa1bd69227ed2f420f7cc27
[INFO] checking hkohko/duckduckgo-cli-search against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhkohko%2Fduckduckgo-cli-search" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hkohko/duckduckgo-cli-search 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 git repo https://github.com/hkohko/duckduckgo-cli-search
[INFO] finished tweaking git repo https://github.com/hkohko/duckduckgo-cli-search
[INFO] tweaked toml for git repo https://github.com/hkohko/duckduckgo-cli-search written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/hkohko/duckduckgo-cli-search 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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 42da9938a1dbbc76ef97386c1600dcfa2633ba6dab029953ddcce4e04644a89a
[INFO] running `Command { std: "docker" "start" "-a" "42da9938a1dbbc76ef97386c1600dcfa2633ba6dab029953ddcce4e04644a89a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42da9938a1dbbc76ef97386c1600dcfa2633ba6dab029953ddcce4e04644a89a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42da9938a1dbbc76ef97386c1600dcfa2633ba6dab029953ddcce4e04644a89a", kill_on_drop: false }`
[INFO] [stdout] 42da9938a1dbbc76ef97386c1600dcfa2633ba6dab029953ddcce4e04644a89a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 84d8c415bd1d92f9c341f667c8ee876735b98d05eadfd9396bbb1aa3ec9f6434
[INFO] running `Command { std: "docker" "start" "-a" "84d8c415bd1d92f9c341f667c8ee876735b98d05eadfd9396bbb1aa3ec9f6434", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling siphasher v0.3.11
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking untrusted v0.9.0
[INFO] [stderr]    Compiling rustls v0.21.10
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]    Compiling anyhow v1.0.77
[INFO] [stderr]     Checking webpki-roots v0.25.3
[INFO] [stderr]     Checking futf v0.1.5
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]     Checking tendril v0.4.3
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking phf v0.10.1
[INFO] [stderr]    Compiling getrandom v0.2.11
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling ring v0.17.7
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr]    Compiling phf_codegen v0.10.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.2
[INFO] [stderr]    Compiling markup5ever v0.11.0
[INFO] [stderr]     Checking string_cache v0.8.7
[INFO] [stderr]    Compiling html5ever v0.26.0
[INFO] [stderr]     Checking xml5ever v0.17.0
[INFO] [stderr]     Checking sct v0.7.1
[INFO] [stderr]     Checking rustls-webpki v0.101.7
[INFO] [stderr]     Checking markup5ever_rcdom v0.2.0
[INFO] [stderr]     Checking select v0.6.0
[INFO] [stderr]     Checking ureq v2.9.1
[INFO] [stderr]     Checking cli_google_search v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `ureq` is imported redundantly
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use ureq;
[INFO] [stdout]   |     ^^^^ the item `ureq` 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 `url` is imported redundantly
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use url;
[INFO] [stdout]   |     ^^^ the item `url` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ureq` is imported redundantly
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use ureq;
[INFO] [stdout]   |     ^^^^ the item `ureq` 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 `url` is imported redundantly
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use url;
[INFO] [stdout]   |     ^^^ the item `url` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.03s
[INFO] running `Command { std: "docker" "inspect" "84d8c415bd1d92f9c341f667c8ee876735b98d05eadfd9396bbb1aa3ec9f6434", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84d8c415bd1d92f9c341f667c8ee876735b98d05eadfd9396bbb1aa3ec9f6434", kill_on_drop: false }`
[INFO] [stdout] 84d8c415bd1d92f9c341f667c8ee876735b98d05eadfd9396bbb1aa3ec9f6434
[INFO] checking hkohko/duckduckgo-cli-search against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhkohko%2Fduckduckgo-cli-search" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hkohko/duckduckgo-cli-search 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 git repo https://github.com/hkohko/duckduckgo-cli-search
[INFO] finished tweaking git repo https://github.com/hkohko/duckduckgo-cli-search
[INFO] tweaked toml for git repo https://github.com/hkohko/duckduckgo-cli-search written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/hkohko/duckduckgo-cli-search 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] e8b8357d4ffa0974492378c78e64e7dc411b425e7cb573aa85d838cefd33966a
[INFO] running `Command { std: "docker" "start" "-a" "e8b8357d4ffa0974492378c78e64e7dc411b425e7cb573aa85d838cefd33966a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8b8357d4ffa0974492378c78e64e7dc411b425e7cb573aa85d838cefd33966a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8b8357d4ffa0974492378c78e64e7dc411b425e7cb573aa85d838cefd33966a", kill_on_drop: false }`
[INFO] [stdout] e8b8357d4ffa0974492378c78e64e7dc411b425e7cb573aa85d838cefd33966a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 9708667e2bb1e127a144e327dd275362316cdc57ca4f1730cc4dae2a62b274dc
[INFO] running `Command { std: "docker" "start" "-a" "9708667e2bb1e127a144e327dd275362316cdc57ca4f1730cc4dae2a62b274dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling siphasher v0.3.11
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking untrusted v0.9.0
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]    Compiling rustls v0.21.10
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]    Compiling anyhow v1.0.77
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking webpki-roots v0.25.3
[INFO] [stderr]     Checking futf v0.1.5
[INFO] [stderr]     Checking phf_shared v0.10.0
[INFO] [stderr]     Checking tendril v0.4.3
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking phf v0.10.1
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]    Compiling getrandom v0.2.11
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling ring v0.17.7
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr]    Compiling phf_codegen v0.10.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.2
[INFO] [stderr]    Compiling markup5ever v0.11.0
[INFO] [stderr]     Checking string_cache v0.8.7
[INFO] [stderr]    Compiling html5ever v0.26.0
[INFO] [stderr]     Checking sct v0.7.1
[INFO] [stderr]     Checking rustls-webpki v0.101.7
[INFO] [stderr]     Checking xml5ever v0.17.0
[INFO] [stderr]     Checking markup5ever_rcdom v0.2.0
[INFO] [stderr]     Checking select v0.6.0
[INFO] [stderr]     Checking ureq v2.9.1
[INFO] [stderr]     Checking cli_google_search v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `ureq` is imported redundantly
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use ureq;
[INFO] [stdout]   |     ^^^^ the item `ureq` 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 `url` is imported redundantly
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use url;
[INFO] [stdout]   |     ^^^ the item `url` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ureq` is imported redundantly
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use ureq;
[INFO] [stdout]   |     ^^^^ the item `ureq` 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 `url` is imported redundantly
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use url;
[INFO] [stdout]   |     ^^^ the item `url` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.58s
[INFO] running `Command { std: "docker" "inspect" "9708667e2bb1e127a144e327dd275362316cdc57ca4f1730cc4dae2a62b274dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9708667e2bb1e127a144e327dd275362316cdc57ca4f1730cc4dae2a62b274dc", kill_on_drop: false }`
[INFO] [stdout] 9708667e2bb1e127a144e327dd275362316cdc57ca4f1730cc4dae2a62b274dc