[INFO] cloning repository https://github.com/cyrusaf/rust-ratelimit
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cyrusaf/rust-ratelimit" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcyrusaf%2Frust-ratelimit", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcyrusaf%2Frust-ratelimit'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] be6603200b701a9e171c23557cc05bc59d6c7081
[INFO] checking cyrusaf/rust-ratelimit against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcyrusaf%2Frust-ratelimit" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cyrusaf/rust-ratelimit 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/cyrusaf/rust-ratelimit
[INFO] finished tweaking git repo https://github.com/cyrusaf/rust-ratelimit
[INFO] tweaked toml for git repo https://github.com/cyrusaf/rust-ratelimit written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/cyrusaf/rust-ratelimit 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] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-macros v1.5.0
[INFO] [stderr]   Downloaded awaitgroup v0.6.0
[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] 73c4309f4970b9cb16754999a14fa47b39742e3e594b3aa4e61d84b6e648415d
[INFO] running `Command { std: "docker" "start" "-a" "73c4309f4970b9cb16754999a14fa47b39742e3e594b3aa4e61d84b6e648415d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73c4309f4970b9cb16754999a14fa47b39742e3e594b3aa4e61d84b6e648415d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73c4309f4970b9cb16754999a14fa47b39742e3e594b3aa4e61d84b6e648415d", kill_on_drop: false }`
[INFO] [stdout] 73c4309f4970b9cb16754999a14fa47b39742e3e594b3aa4e61d84b6e648415d
[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] f989b14369fd3037ce5d9d14e1d4d6ef3eda8717e829d884e8afc4129bc6de9e
[INFO] running `Command { std: "docker" "start" "-a" "f989b14369fd3037ce5d9d14e1d4d6ef3eda8717e829d884e8afc4129bc6de9e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.104
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling tokio v1.12.0
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking awaitgroup v0.6.0
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling tokio-macros v1.5.0
[INFO] [stderr]     Checking rust-ratelimit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `tokio::time::sleep`
[INFO] [stdout]  --> examples/ratelimit.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tokio::time::sleep;
[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 8.95s
[INFO] running `Command { std: "docker" "inspect" "f989b14369fd3037ce5d9d14e1d4d6ef3eda8717e829d884e8afc4129bc6de9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f989b14369fd3037ce5d9d14e1d4d6ef3eda8717e829d884e8afc4129bc6de9e", kill_on_drop: false }`
[INFO] [stdout] f989b14369fd3037ce5d9d14e1d4d6ef3eda8717e829d884e8afc4129bc6de9e
[INFO] checking cyrusaf/rust-ratelimit against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcyrusaf%2Frust-ratelimit" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cyrusaf/rust-ratelimit 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/cyrusaf/rust-ratelimit
[INFO] finished tweaking git repo https://github.com/cyrusaf/rust-ratelimit
[INFO] tweaked toml for git repo https://github.com/cyrusaf/rust-ratelimit written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/cyrusaf/rust-ratelimit 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] 5e4f02d6afba99da3029c121bf0c26ee50ff0e842bb640a25b13322f0aa196c3
[INFO] running `Command { std: "docker" "start" "-a" "5e4f02d6afba99da3029c121bf0c26ee50ff0e842bb640a25b13322f0aa196c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e4f02d6afba99da3029c121bf0c26ee50ff0e842bb640a25b13322f0aa196c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e4f02d6afba99da3029c121bf0c26ee50ff0e842bb640a25b13322f0aa196c3", kill_on_drop: false }`
[INFO] [stdout] 5e4f02d6afba99da3029c121bf0c26ee50ff0e842bb640a25b13322f0aa196c3
[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] c3634319145ad4397efcb574771f4f9e14bdac2d50965c45a2392453d99e0a49
[INFO] running `Command { std: "docker" "start" "-a" "c3634319145ad4397efcb574771f4f9e14bdac2d50965c45a2392453d99e0a49", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.104
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]    Compiling tokio v1.12.0
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking awaitgroup v0.6.0
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling tokio-macros v1.5.0
[INFO] [stderr]     Checking rust-ratelimit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `tokio::time::sleep`
[INFO] [stdout]  --> examples/ratelimit.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tokio::time::sleep;
[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 9.51s
[INFO] running `Command { std: "docker" "inspect" "c3634319145ad4397efcb574771f4f9e14bdac2d50965c45a2392453d99e0a49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3634319145ad4397efcb574771f4f9e14bdac2d50965c45a2392453d99e0a49", kill_on_drop: false }`
[INFO] [stdout] c3634319145ad4397efcb574771f4f9e14bdac2d50965c45a2392453d99e0a49