[INFO] cloning repository https://github.com/MathiasStadler/fantoccini_scraper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MathiasStadler/fantoccini_scraper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMathiasStadler%2Ffantoccini_scraper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMathiasStadler%2Ffantoccini_scraper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a3d5fc6e901deb7eace95b0408016a090a81e6e8
[INFO] checking MathiasStadler/fantoccini_scraper against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMathiasStadler%2Ffantoccini_scraper" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MathiasStadler/fantoccini_scraper 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/MathiasStadler/fantoccini_scraper
[INFO] finished tweaking git repo https://github.com/MathiasStadler/fantoccini_scraper
[INFO] tweaked toml for git repo https://github.com/MathiasStadler/fantoccini_scraper written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/MathiasStadler/fantoccini_scraper 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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 733ad785c4958597b900c828f97b8942b46d316050c24c2e7b2adaca3c70b685
[INFO] running `Command { std: "docker" "start" "-a" "733ad785c4958597b900c828f97b8942b46d316050c24c2e7b2adaca3c70b685", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "733ad785c4958597b900c828f97b8942b46d316050c24c2e7b2adaca3c70b685", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "733ad785c4958597b900c828f97b8942b46d316050c24c2e7b2adaca3c70b685", kill_on_drop: false }`
[INFO] [stdout] 733ad785c4958597b900c828f97b8942b46d316050c24c2e7b2adaca3c70b685
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 401b73edf017bc1c0d2762d2b1ef7d1d12edc22d11e1beb7e856ae85f46b0933
[INFO] running `Command { std: "docker" "start" "-a" "401b73edf017bc1c0d2762d2b1ef7d1d12edc22d11e1beb7e856ae85f46b0933", kill_on_drop: false }`
[INFO] [stderr]    Compiling time-core v0.1.1
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling cookie v0.16.2
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]     Checking unicode-segmentation v1.10.1
[INFO] [stderr]    Compiling time-macros v0.2.9
[INFO] [stderr]     Checking time v0.3.22
[INFO] [stderr]     Checking hyper v0.14.26
[INFO] [stderr]     Checking webdriver v0.46.0
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking fantoccini v0.19.3
[INFO] [stderr]     Checking fantoccini_scraper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `tokio` is imported redundantly
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use tokio;
[INFO] [stdout]   |     ^^^^^ the item `tokio` 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 `tokio` is imported redundantly
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use tokio;
[INFO] [stdout]   |     ^^^^^ the item `tokio` 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 12.00s
[INFO] running `Command { std: "docker" "inspect" "401b73edf017bc1c0d2762d2b1ef7d1d12edc22d11e1beb7e856ae85f46b0933", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "401b73edf017bc1c0d2762d2b1ef7d1d12edc22d11e1beb7e856ae85f46b0933", kill_on_drop: false }`
[INFO] [stdout] 401b73edf017bc1c0d2762d2b1ef7d1d12edc22d11e1beb7e856ae85f46b0933
[INFO] checking MathiasStadler/fantoccini_scraper against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMathiasStadler%2Ffantoccini_scraper" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MathiasStadler/fantoccini_scraper 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/MathiasStadler/fantoccini_scraper
[INFO] finished tweaking git repo https://github.com/MathiasStadler/fantoccini_scraper
[INFO] tweaked toml for git repo https://github.com/MathiasStadler/fantoccini_scraper written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/MathiasStadler/fantoccini_scraper 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 58328cd3e63ac7d0441938e03a269507a00c4ad35bda01b73fa92eb32394f178
[INFO] running `Command { std: "docker" "start" "-a" "58328cd3e63ac7d0441938e03a269507a00c4ad35bda01b73fa92eb32394f178", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58328cd3e63ac7d0441938e03a269507a00c4ad35bda01b73fa92eb32394f178", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58328cd3e63ac7d0441938e03a269507a00c4ad35bda01b73fa92eb32394f178", kill_on_drop: false }`
[INFO] [stdout] 58328cd3e63ac7d0441938e03a269507a00c4ad35bda01b73fa92eb32394f178
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 4195c7f61e448faa06913906bcaf7ec44c952477774a1a381cc495b2342c7d04
[INFO] running `Command { std: "docker" "start" "-a" "4195c7f61e448faa06913906bcaf7ec44c952477774a1a381cc495b2342c7d04", kill_on_drop: false }`
[INFO] [stderr]    Compiling time-core v0.1.1
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling cookie v0.16.2
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]    Compiling time-macros v0.2.9
[INFO] [stderr]     Checking unicode-segmentation v1.10.1
[INFO] [stderr]     Checking time v0.3.22
[INFO] [stderr]     Checking hyper v0.14.26
[INFO] [stderr]     Checking webdriver v0.46.0
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking fantoccini v0.19.3
[INFO] [stderr]     Checking fantoccini_scraper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `tokio` is imported redundantly
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use tokio;
[INFO] [stdout]   |     ^^^^^ the item `tokio` 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 `tokio` is imported redundantly
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use tokio;
[INFO] [stdout]   |     ^^^^^ the item `tokio` 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 12.23s
[INFO] running `Command { std: "docker" "inspect" "4195c7f61e448faa06913906bcaf7ec44c952477774a1a381cc495b2342c7d04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4195c7f61e448faa06913906bcaf7ec44c952477774a1a381cc495b2342c7d04", kill_on_drop: false }`
[INFO] [stdout] 4195c7f61e448faa06913906bcaf7ec44c952477774a1a381cc495b2342c7d04