[INFO] cloning repository https://github.com/hipages-leimiao/multi_curl
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hipages-leimiao/multi_curl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhipages-leimiao%2Fmulti_curl", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhipages-leimiao%2Fmulti_curl'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f296d3db2bf28a84ec20eb0cb272c450ada3bc81
[INFO] checking hipages-leimiao/multi_curl against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhipages-leimiao%2Fmulti_curl" "/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/hipages-leimiao/multi_curl 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/hipages-leimiao/multi_curl
[INFO] finished tweaking git repo https://github.com/hipages-leimiao/multi_curl
[INFO] tweaked toml for git repo https://github.com/hipages-leimiao/multi_curl written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/hipages-leimiao/multi_curl 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]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio v1.19.1
[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] 32a5b031f98ab79de14bc35a607312d26dd550ca73c07b3f6211858f0a169504
[INFO] running `Command { std: "docker" "start" "-a" "32a5b031f98ab79de14bc35a607312d26dd550ca73c07b3f6211858f0a169504", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32a5b031f98ab79de14bc35a607312d26dd550ca73c07b3f6211858f0a169504", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32a5b031f98ab79de14bc35a607312d26dd550ca73c07b3f6211858f0a169504", kill_on_drop: false }`
[INFO] [stdout] 32a5b031f98ab79de14bc35a607312d26dd550ca73c07b3f6211858f0a169504
[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] d02606eb6e973ed49baa0d47e902742d939678c20ee3dc6f2e5b57115b835272
[INFO] running `Command { std: "docker" "start" "-a" "d02606eb6e973ed49baa0d47e902742d939678c20ee3dc6f2e5b57115b835272", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling openssl-sys v0.9.74
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking mio v0.8.3
[INFO] [stderr]     Checking tracing v0.1.34
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]    Compiling async-trait v0.1.56
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking dotenv v0.15.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling openssl v0.10.40
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]    Compiling openssl-macros v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling strum_macros v0.24.0
[INFO] [stderr]     Checking tokio v1.19.1
[INFO] [stderr]     Checking futures-util v0.3.21
[INFO] [stderr]     Checking serde v1.0.137
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking tokio-util v0.7.3
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.3.13
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_json v1.0.81
[INFO] [stderr]     Checking hyper v0.14.19
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.10
[INFO] [stderr]     Checking multi_curl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `tokio` is imported redundantly
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | 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:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | 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 17.49s
[INFO] running `Command { std: "docker" "inspect" "d02606eb6e973ed49baa0d47e902742d939678c20ee3dc6f2e5b57115b835272", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d02606eb6e973ed49baa0d47e902742d939678c20ee3dc6f2e5b57115b835272", kill_on_drop: false }`
[INFO] [stdout] d02606eb6e973ed49baa0d47e902742d939678c20ee3dc6f2e5b57115b835272
[INFO] checking hipages-leimiao/multi_curl against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhipages-leimiao%2Fmulti_curl" "/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/hipages-leimiao/multi_curl 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/hipages-leimiao/multi_curl
[INFO] finished tweaking git repo https://github.com/hipages-leimiao/multi_curl
[INFO] tweaked toml for git repo https://github.com/hipages-leimiao/multi_curl written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/hipages-leimiao/multi_curl 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-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] 8766f316e1258eba4206aba32bc7286fa36785fc4e9a8b7c452a0e5ef949e1fb
[INFO] running `Command { std: "docker" "start" "-a" "8766f316e1258eba4206aba32bc7286fa36785fc4e9a8b7c452a0e5ef949e1fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8766f316e1258eba4206aba32bc7286fa36785fc4e9a8b7c452a0e5ef949e1fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8766f316e1258eba4206aba32bc7286fa36785fc4e9a8b7c452a0e5ef949e1fb", kill_on_drop: false }`
[INFO] [stdout] 8766f316e1258eba4206aba32bc7286fa36785fc4e9a8b7c452a0e5ef949e1fb
[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] e3de766969b4c3364f04df08fb2cf923d781dc4824c36a208b55d01465314e65
[INFO] running `Command { std: "docker" "start" "-a" "e3de766969b4c3364f04df08fb2cf923d781dc4824c36a208b55d01465314e65", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling openssl-sys v0.9.74
[INFO] [stderr]     Checking mio v0.8.3
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking tracing v0.1.34
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]    Compiling async-trait v0.1.56
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking dotenv v0.15.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling openssl v0.10.40
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]    Compiling openssl-macros v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling strum_macros v0.24.0
[INFO] [stderr]     Checking tokio v1.19.1
[INFO] [stderr]     Checking futures-util v0.3.21
[INFO] [stderr]     Checking serde v1.0.137
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking tokio-util v0.7.3
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.3.13
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_json v1.0.81
[INFO] [stderr]     Checking hyper v0.14.19
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.10
[INFO] [stderr]     Checking multi_curl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `tokio` is imported redundantly
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | 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:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | 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 20.83s
[INFO] running `Command { std: "docker" "inspect" "e3de766969b4c3364f04df08fb2cf923d781dc4824c36a208b55d01465314e65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3de766969b4c3364f04df08fb2cf923d781dc4824c36a208b55d01465314e65", kill_on_drop: false }`
[INFO] [stdout] e3de766969b4c3364f04df08fb2cf923d781dc4824c36a208b55d01465314e65