[INFO] cloning repository https://github.com/Bing-Xun/rust_practice_http_client
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Bing-Xun/rust_practice_http_client" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBing-Xun%2Frust_practice_http_client", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBing-Xun%2Frust_practice_http_client'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 519dd7102dc8008fb1e0347c41a5e33075d6a544
[INFO] checking Bing-Xun/rust_practice_http_client against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBing-Xun%2Frust_practice_http_client" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
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[INFO] validating manifest of git repo https://github.com/Bing-Xun/rust_practice_http_client 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/Bing-Xun/rust_practice_http_client
[INFO] finished tweaking git repo https://github.com/Bing-Xun/rust_practice_http_client
[INFO] tweaked toml for git repo https://github.com/Bing-Xun/rust_practice_http_client written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Bing-Xun/rust_practice_http_client 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-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] 446047c3885e387c5630f365f47dde345b85315737c688cc6154c477e82c0500
[INFO] running `Command { std: "docker" "start" "-a" "446047c3885e387c5630f365f47dde345b85315737c688cc6154c477e82c0500", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "446047c3885e387c5630f365f47dde345b85315737c688cc6154c477e82c0500", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "446047c3885e387c5630f365f47dde345b85315737c688cc6154c477e82c0500", kill_on_drop: false }`
[INFO] [stdout] 446047c3885e387c5630f365f47dde345b85315737c688cc6154c477e82c0500
[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] 84e57d303a55ad94ea37b822a1728c1d39d8d7de6c63716eb7470736ff68baa7
[INFO] running `Command { std: "docker" "start" "-a" "84e57d303a55ad94ea37b822a1728c1d39d8d7de6c63716eb7470736ff68baa7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling cc v1.0.90
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]    Compiling openssl v0.10.64
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking indexmap v2.2.5
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking unicode-normalization v0.1.23
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]     Checking rustls-pemfile v1.0.4
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]    Compiling openssl-sys v0.9.101
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking socket2 v0.5.6
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]     Checking tokio v1.36.0
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking h2 v0.3.24
[INFO] [stderr]     Checking hyper v0.14.28
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.26
[INFO] [stderr]     Checking practice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.89s
[INFO] running `Command { std: "docker" "inspect" "84e57d303a55ad94ea37b822a1728c1d39d8d7de6c63716eb7470736ff68baa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84e57d303a55ad94ea37b822a1728c1d39d8d7de6c63716eb7470736ff68baa7", kill_on_drop: false }`
[INFO] [stdout] 84e57d303a55ad94ea37b822a1728c1d39d8d7de6c63716eb7470736ff68baa7
[INFO] checking Bing-Xun/rust_practice_http_client against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBing-Xun%2Frust_practice_http_client" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
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[INFO] validating manifest of git repo https://github.com/Bing-Xun/rust_practice_http_client on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Bing-Xun/rust_practice_http_client
[INFO] finished tweaking git repo https://github.com/Bing-Xun/rust_practice_http_client
[INFO] tweaked toml for git repo https://github.com/Bing-Xun/rust_practice_http_client written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Bing-Xun/rust_practice_http_client 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "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-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e09b896dd6606576d3d50987ef7c25661363112e1a8405ebbe37472f418b1db
[INFO] running `Command { std: "docker" "start" "-a" "2e09b896dd6606576d3d50987ef7c25661363112e1a8405ebbe37472f418b1db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e09b896dd6606576d3d50987ef7c25661363112e1a8405ebbe37472f418b1db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e09b896dd6606576d3d50987ef7c25661363112e1a8405ebbe37472f418b1db", kill_on_drop: false }`
[INFO] [stdout] 2e09b896dd6606576d3d50987ef7c25661363112e1a8405ebbe37472f418b1db
[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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 556d07b3e4f9210d1c85102235d1c3c0b7e13b49082b9569c3b5f3fc6bc4d958
[INFO] running `Command { std: "docker" "start" "-a" "556d07b3e4f9210d1c85102235d1c3c0b7e13b49082b9569c3b5f3fc6bc4d958", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling cc v1.0.90
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]    Compiling openssl v0.10.64
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking indexmap v2.2.5
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking unicode-normalization v0.1.23
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]     Checking rustls-pemfile v1.0.4
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking socket2 v0.5.6
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]    Compiling openssl-sys v0.9.101
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]     Checking tokio v1.36.0
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking h2 v0.3.24
[INFO] [stderr]     Checking hyper v0.14.28
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.26
[INFO] [stderr]     Checking practice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.73s
[INFO] running `Command { std: "docker" "inspect" "556d07b3e4f9210d1c85102235d1c3c0b7e13b49082b9569c3b5f3fc6bc4d958", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "556d07b3e4f9210d1c85102235d1c3c0b7e13b49082b9569c3b5f3fc6bc4d958", kill_on_drop: false }`
[INFO] [stdout] 556d07b3e4f9210d1c85102235d1c3c0b7e13b49082b9569c3b5f3fc6bc4d958