[INFO] cloning repository https://github.com/charlesfrye/async-rust-too-many-servers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/charlesfrye/async-rust-too-many-servers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharlesfrye%2Fasync-rust-too-many-servers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharlesfrye%2Fasync-rust-too-many-servers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5a1cec33503520ba9cd3c065d7a56b32bdfa7b48
[INFO] checking charlesfrye/async-rust-too-many-servers against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharlesfrye%2Fasync-rust-too-many-servers" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/charlesfrye/async-rust-too-many-servers on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/charlesfrye/async-rust-too-many-servers
[INFO] finished tweaking git repo https://github.com/charlesfrye/async-rust-too-many-servers
[INFO] tweaked toml for git repo https://github.com/charlesfrye/async-rust-too-many-servers written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/charlesfrye/async-rust-too-many-servers 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a2a10acd0fc734e6a384997855a7f2a0bf7ee1fbab2db45ce68972cd2769d59e
[INFO] running `Command { std: "docker" "start" "-a" "a2a10acd0fc734e6a384997855a7f2a0bf7ee1fbab2db45ce68972cd2769d59e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2a10acd0fc734e6a384997855a7f2a0bf7ee1fbab2db45ce68972cd2769d59e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2a10acd0fc734e6a384997855a7f2a0bf7ee1fbab2db45ce68972cd2769d59e", kill_on_drop: false }`
[INFO] [stdout] a2a10acd0fc734e6a384997855a7f2a0bf7ee1fbab2db45ce68972cd2769d59e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9184d2e364a8e2ed00dc18b4a6056d8cc52b3fb0c3175796365c44441e3cdbed
[INFO] running `Command { std: "docker" "start" "-a" "9184d2e364a8e2ed00dc18b4a6056d8cc52b3fb0c3175796365c44441e3cdbed", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking learning-async-rust-web-servers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `Command { std: "docker" "inspect" "9184d2e364a8e2ed00dc18b4a6056d8cc52b3fb0c3175796365c44441e3cdbed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9184d2e364a8e2ed00dc18b4a6056d8cc52b3fb0c3175796365c44441e3cdbed", kill_on_drop: false }`
[INFO] [stdout] 9184d2e364a8e2ed00dc18b4a6056d8cc52b3fb0c3175796365c44441e3cdbed
[INFO] checking charlesfrye/async-rust-too-many-servers against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharlesfrye%2Fasync-rust-too-many-servers" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/charlesfrye/async-rust-too-many-servers on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/charlesfrye/async-rust-too-many-servers
[INFO] finished tweaking git repo https://github.com/charlesfrye/async-rust-too-many-servers
[INFO] tweaked toml for git repo https://github.com/charlesfrye/async-rust-too-many-servers written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/charlesfrye/async-rust-too-many-servers 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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51c26e9b02f2f4e37c693a2064704c498bbb48105ec80a74de8362877fc2604c
[INFO] running `Command { std: "docker" "start" "-a" "51c26e9b02f2f4e37c693a2064704c498bbb48105ec80a74de8362877fc2604c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51c26e9b02f2f4e37c693a2064704c498bbb48105ec80a74de8362877fc2604c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51c26e9b02f2f4e37c693a2064704c498bbb48105ec80a74de8362877fc2604c", kill_on_drop: false }`
[INFO] [stdout] 51c26e9b02f2f4e37c693a2064704c498bbb48105ec80a74de8362877fc2604c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b107e57d03ce2c9748482d782a2b34946a2a7cef039aae85c2c723a9cf840596
[INFO] running `Command { std: "docker" "start" "-a" "b107e57d03ce2c9748482d782a2b34946a2a7cef039aae85c2c723a9cf840596", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking learning-async-rust-web-servers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.42s
[INFO] running `Command { std: "docker" "inspect" "b107e57d03ce2c9748482d782a2b34946a2a7cef039aae85c2c723a9cf840596", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b107e57d03ce2c9748482d782a2b34946a2a7cef039aae85c2c723a9cf840596", kill_on_drop: false }`
[INFO] [stdout] b107e57d03ce2c9748482d782a2b34946a2a7cef039aae85c2c723a9cf840596