[INFO] cloning repository https://github.com/cyrus937/pyo3_example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cyrus937/pyo3_example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcyrus937%2Fpyo3_example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcyrus937%2Fpyo3_example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 43f255d6395a3df31bf47a66045fdc01a58bca80
[INFO] checking cyrus937/pyo3_example against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcyrus937%2Fpyo3_example" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cyrus937/pyo3_example on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cyrus937/pyo3_example
[INFO] finished tweaking git repo https://github.com/cyrus937/pyo3_example
[INFO] tweaked toml for git repo https://github.com/cyrus937/pyo3_example written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/cyrus937/pyo3_example 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unindent v0.2.3
[INFO] [stderr]   Downloaded pyo3-asyncio-macros v0.20.0
[INFO] [stderr]   Downloaded pyo3-ffi v0.20.0
[INFO] [stderr]   Downloaded pyo3-macros v0.20.0
[INFO] [stderr]   Downloaded pyo3-asyncio v0.20.0
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.89
[INFO] [stderr]   Downloaded futures-macro v0.3.29
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[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.89
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[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.89
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[INFO] [stderr]   Downloaded value-bag v1.4.2
[INFO] [stderr]   Downloaded polling v3.3.1
[INFO] [stderr]   Downloaded async-io v2.2.2
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.89
[INFO] [stderr]   Downloaded async-std v1.12.0
[INFO] [stderr]   Downloaded syn v2.0.41
[INFO] [stderr]   Downloaded web-sys v0.3.66
[INFO] [stderr]   Downloaded libc v0.2.151
[INFO] [stderr]   Downloaded pyo3 v0.20.0
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.17
[INFO] [stderr]   Downloaded js-sys v0.3.66
[INFO] [stderr]   Downloaded futures v0.3.29
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.20.0
[INFO] [stderr]   Downloaded target-lexicon v0.12.12
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.89
[INFO] [stderr]   Downloaded futures-executor v0.3.29
[INFO] [stderr]   Downloaded pyo3-build-config v0.20.0
[INFO] [stderr]   Downloaded indoc v2.0.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 58d600fe05e8b467debf8f50ab9e563cf57f252fd8414804fd2ee3b00f8daaa6
[INFO] running `Command { std: "docker" "start" "-a" "58d600fe05e8b467debf8f50ab9e563cf57f252fd8414804fd2ee3b00f8daaa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58d600fe05e8b467debf8f50ab9e563cf57f252fd8414804fd2ee3b00f8daaa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58d600fe05e8b467debf8f50ab9e563cf57f252fd8414804fd2ee3b00f8daaa6", kill_on_drop: false }`
[INFO] [stdout] 58d600fe05e8b467debf8f50ab9e563cf57f252fd8414804fd2ee3b00f8daaa6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef93541c02e159471cc2991d798b674f4bb7af355403a9263d21b0ebd43f45ca
[INFO] running `Command { std: "docker" "start" "-a" "ef93541c02e159471cc2991d798b674f4bb7af355403a9263d21b0ebd43f45ca", kill_on_drop: false }`
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]    Compiling crossbeam-utils v0.8.17
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]     Checking parking v2.2.0
[INFO] [stderr]     Checking futures-io v0.3.29
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling target-lexicon v0.12.12
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling rustix v0.38.28
[INFO] [stderr]     Checking memchr v2.6.4
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[INFO] [stderr]     Checking linux-raw-sys v0.4.12
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[INFO] [stderr]    Compiling io-lifetimes v1.0.11
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[INFO] [stderr]    Compiling rustix v0.37.27
[INFO] [stderr]    Compiling futures-task v0.3.29
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[INFO] [stderr]    Compiling pyo3-build-config v0.20.0
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[INFO] [stderr]    Compiling indoc v2.0.4
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[INFO] [stderr]    Compiling pyo3-ffi v0.20.0
[INFO] [stderr]    Compiling pyo3 v0.20.0
[INFO] [stderr]    Compiling pyo3-macros-backend v0.20.0
[INFO] [stderr]    Compiling pyo3-asyncio-macros v0.20.0
[INFO] [stderr]     Checking polling v3.3.1
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[INFO] [stderr]    Compiling futures-macro v0.3.29
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[INFO] [stderr]     Checking async-global-executor v2.4.1
[INFO] [stderr]     Checking async-process v1.8.1
[INFO] [stderr]     Checking async-std v1.12.0
[INFO] [stderr]    Compiling pyo3-macros v0.20.0
[INFO] [stderr]     Checking futures-executor v0.3.29
[INFO] [stderr]     Checking futures v0.3.29
[INFO] [stderr]     Checking pyo3-asyncio v0.20.0
[INFO] [stderr]     Checking pyo3-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.53s
[INFO] running `Command { std: "docker" "inspect" "ef93541c02e159471cc2991d798b674f4bb7af355403a9263d21b0ebd43f45ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef93541c02e159471cc2991d798b674f4bb7af355403a9263d21b0ebd43f45ca", kill_on_drop: false }`
[INFO] [stdout] ef93541c02e159471cc2991d798b674f4bb7af355403a9263d21b0ebd43f45ca