[INFO] cloning repository https://github.com/famibo/rust-async-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/famibo/rust-async-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffamibo%2Frust-async-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffamibo%2Frust-async-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 687914857a6e52f4f073fda4e87a49fc2d31f360
[INFO] building famibo/rust-async-test/687914857a6e52f4f073fda4e87a49fc2d31f360 against try#334963c956d25708feab489a3816ae63f639355d for pr-135216-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffamibo%2Frust-async-test" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/famibo/rust-async-test on toolchain 334963c956d25708feab489a3816ae63f639355d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/famibo/rust-async-test
[INFO] finished tweaking git repo https://github.com/famibo/rust-async-test
[INFO] tweaked toml for git repo https://github.com/famibo/rust-async-test written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/famibo/rust-async-test 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" "+334963c956d25708feab489a3816ae63f639355d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ebc68528c575fd1f0107938553dc0b26280d82a8897ef196fb29c0214a4e27d
[INFO] running `Command { std: "docker" "start" "-a" "4ebc68528c575fd1f0107938553dc0b26280d82a8897ef196fb29c0214a4e27d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ebc68528c575fd1f0107938553dc0b26280d82a8897ef196fb29c0214a4e27d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ebc68528c575fd1f0107938553dc0b26280d82a8897ef196fb29c0214a4e27d", kill_on_drop: false }`
[INFO] [stdout] 4ebc68528c575fd1f0107938553dc0b26280d82a8897ef196fb29c0214a4e27d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e534d8f42673a3b7ae4112aed1160b7183930dbdf09975c82a797ece1c02464
[INFO] running `Command { std: "docker" "start" "-a" "6e534d8f42673a3b7ae4112aed1160b7183930dbdf09975c82a797ece1c02464", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.148
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[INFO] [stderr]    Compiling proc-macro2 v1.0.67
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[INFO] [stderr]    Compiling openssl-macros v0.1.1
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[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
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[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling reqwest v0.11.20
[INFO] [stderr]    Compiling async_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `my_async_call` is never used
[INFO] [stdout]  --> src/main.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | async fn my_async_call(url: &str) -> Result<serde_json::Value, std::io::Error> {
[INFO] [stdout]   |          ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 59.75s
[INFO] running `Command { std: "docker" "inspect" "6e534d8f42673a3b7ae4112aed1160b7183930dbdf09975c82a797ece1c02464", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e534d8f42673a3b7ae4112aed1160b7183930dbdf09975c82a797ece1c02464", kill_on_drop: false }`
[INFO] [stdout] 6e534d8f42673a3b7ae4112aed1160b7183930dbdf09975c82a797ece1c02464
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0ae143a36553150f3e2e39462fbdbdcf37e6de272cd1c26f29f24a0edaa6bc3
[INFO] running `Command { std: "docker" "start" "-a" "c0ae143a36553150f3e2e39462fbdbdcf37e6de272cd1c26f29f24a0edaa6bc3", kill_on_drop: false }`
[INFO] [stderr]    Compiling async_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `Command { std: "docker" "inspect" "c0ae143a36553150f3e2e39462fbdbdcf37e6de272cd1c26f29f24a0edaa6bc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0ae143a36553150f3e2e39462fbdbdcf37e6de272cd1c26f29f24a0edaa6bc3", kill_on_drop: false }`
[INFO] [stdout] c0ae143a36553150f3e2e39462fbdbdcf37e6de272cd1c26f29f24a0edaa6bc3