[INFO] cloning repository https://github.com/adrien-zinger/bandwith_tokio_limitation [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/adrien-zinger/bandwith_tokio_limitation" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadrien-zinger%2Fbandwith_tokio_limitation", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadrien-zinger%2Fbandwith_tokio_limitation'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8ddb63e7e5e29d79053fea73c333c09599b111b9 [INFO] checking adrien-zinger/bandwith_tokio_limitation against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadrien-zinger%2Fbandwith_tokio_limitation" "/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/adrien-zinger/bandwith_tokio_limitation 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/adrien-zinger/bandwith_tokio_limitation [INFO] finished tweaking git repo https://github.com/adrien-zinger/bandwith_tokio_limitation [INFO] tweaked toml for git repo https://github.com/adrien-zinger/bandwith_tokio_limitation written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/adrien-zinger/bandwith_tokio_limitation 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 git repository `https://github.com/adrien-zinger/async-speed-limit` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded futures v0.3.21 [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] d0ee36f0374c236cc00017f8f62f5a1f8739874fb611bc7e2c84adbf7a0c36c7 [INFO] running `Command { std: "docker" "start" "-a" "d0ee36f0374c236cc00017f8f62f5a1f8739874fb611bc7e2c84adbf7a0c36c7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d0ee36f0374c236cc00017f8f62f5a1f8739874fb611bc7e2c84adbf7a0c36c7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d0ee36f0374c236cc00017f8f62f5a1f8739874fb611bc7e2c84adbf7a0c36c7", kill_on_drop: false }` [INFO] [stdout] d0ee36f0374c236cc00017f8f62f5a1f8739874fb611bc7e2c84adbf7a0c36c7 [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] 44611517c665445d6f933978367ffb2d851498df23a8a0f20d747d565dc973c5 [INFO] running `Command { std: "docker" "start" "-a" "44611517c665445d6f933978367ffb2d851498df23a8a0f20d747d565dc973c5", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.39 [INFO] [stderr] Compiling unicode-ident v1.0.0 [INFO] [stderr] Compiling syn v1.0.96 [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Compiling futures-channel v0.3.21 [INFO] [stderr] Compiling futures-task v0.3.21 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Checking pin-project-lite v0.2.9 [INFO] [stderr] Checking futures-io v0.3.21 [INFO] [stderr] Checking futures-sink v0.3.21 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Checking slab v0.4.6 [INFO] [stderr] Compiling anyhow v1.0.57 [INFO] [stderr] Checking once_cell v1.12.0 [INFO] [stderr] Checking bytes v1.1.0 [INFO] [stderr] Checking futures-timer v3.0.2 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Checking socket2 v0.4.4 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking mio v0.8.3 [INFO] [stderr] Compiling futures-macro v0.3.21 [INFO] [stderr] Compiling tokio-macros v1.8.0 [INFO] [stderr] Checking tokio v1.19.2 [INFO] [stderr] Checking async-speed-limit v0.4.0 (https://github.com/adrien-zinger/async-speed-limit?rev=9f90f7e#9f90f7ec) [INFO] [stderr] Checking futures-executor v0.3.21 [INFO] [stderr] Checking futures v0.3.21 [INFO] [stderr] Checking bandwidth_limitation v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.89s [INFO] running `Command { std: "docker" "inspect" "44611517c665445d6f933978367ffb2d851498df23a8a0f20d747d565dc973c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "44611517c665445d6f933978367ffb2d851498df23a8a0f20d747d565dc973c5", kill_on_drop: false }` [INFO] [stdout] 44611517c665445d6f933978367ffb2d851498df23a8a0f20d747d565dc973c5 [INFO] checking adrien-zinger/bandwith_tokio_limitation against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadrien-zinger%2Fbandwith_tokio_limitation" "/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/adrien-zinger/bandwith_tokio_limitation 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/adrien-zinger/bandwith_tokio_limitation [INFO] finished tweaking git repo https://github.com/adrien-zinger/bandwith_tokio_limitation [INFO] tweaked toml for git repo https://github.com/adrien-zinger/bandwith_tokio_limitation written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/adrien-zinger/bandwith_tokio_limitation 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] 577ebe88ad8645cb59ecf9620b3afa32f8411d57160f57acfd44effa71fb46d5 [INFO] running `Command { std: "docker" "start" "-a" "577ebe88ad8645cb59ecf9620b3afa32f8411d57160f57acfd44effa71fb46d5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "577ebe88ad8645cb59ecf9620b3afa32f8411d57160f57acfd44effa71fb46d5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "577ebe88ad8645cb59ecf9620b3afa32f8411d57160f57acfd44effa71fb46d5", kill_on_drop: false }` [INFO] [stdout] 577ebe88ad8645cb59ecf9620b3afa32f8411d57160f57acfd44effa71fb46d5 [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] 7f59518d11e9322abaf112762a3e3323e9c77e3ad5f69022983cc2194d926ce2 [INFO] running `Command { std: "docker" "start" "-a" "7f59518d11e9322abaf112762a3e3323e9c77e3ad5f69022983cc2194d926ce2", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.39 [INFO] [stderr] Compiling unicode-ident v1.0.0 [INFO] [stderr] Compiling syn v1.0.96 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling futures-channel v0.3.21 [INFO] [stderr] Compiling futures-task v0.3.21 [INFO] [stderr] Checking pin-project-lite v0.2.9 [INFO] [stderr] Checking futures-io v0.3.21 [INFO] [stderr] Checking futures-sink v0.3.21 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Checking slab v0.4.6 [INFO] [stderr] Compiling anyhow v1.0.57 [INFO] [stderr] Checking bytes v1.1.0 [INFO] [stderr] Checking once_cell v1.12.0 [INFO] [stderr] Checking futures-timer v3.0.2 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking mio v0.8.3 [INFO] [stderr] Checking socket2 v0.4.4 [INFO] [stderr] Compiling futures-macro v0.3.21 [INFO] [stderr] Compiling tokio-macros v1.8.0 [INFO] [stderr] Checking tokio v1.19.2 [INFO] [stderr] Checking async-speed-limit v0.4.0 (https://github.com/adrien-zinger/async-speed-limit?rev=9f90f7e#9f90f7ec) [INFO] [stderr] Checking futures-executor v0.3.21 [INFO] [stderr] Checking futures v0.3.21 [INFO] [stderr] Checking bandwidth_limitation v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.00s [INFO] running `Command { std: "docker" "inspect" "7f59518d11e9322abaf112762a3e3323e9c77e3ad5f69022983cc2194d926ce2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7f59518d11e9322abaf112762a3e3323e9c77e3ad5f69022983cc2194d926ce2", kill_on_drop: false }` [INFO] [stdout] 7f59518d11e9322abaf112762a3e3323e9c77e3ad5f69022983cc2194d926ce2