[INFO] fetching crate rustpy 0.3.0...
[INFO] checking rustpy-0.3.0 against master#5ad98b4026d5172f27615b105658bc8bfd677be8 for pr-129422
[INFO] extracting crate rustpy 0.3.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate rustpy 0.3.0 on toolchain 5ad98b4026d5172f27615b105658bc8bfd677be8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate rustpy 0.3.0
[INFO] finished tweaking crates.io crate rustpy 0.3.0
[INFO] tweaked toml for crates.io crate rustpy 0.3.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 34 packages to latest compatible versions
[INFO] [stderr]       Adding indoc v1.0.9 (latest: v2.0.5)
[INFO] [stderr]       Adding memoffset v0.8.0 (latest: v0.9.1)
[INFO] [stderr]       Adding pyo3 v0.18.3 (latest: v0.22.2)
[INFO] [stderr]       Adding pyo3-build-config v0.18.3 (latest: v0.22.2)
[INFO] [stderr]       Adding pyo3-ffi v0.18.3 (latest: v0.22.2)
[INFO] [stderr]       Adding pyo3-macros v0.18.3 (latest: v0.22.2)
[INFO] [stderr]       Adding pyo3-macros-backend v0.18.3 (latest: v0.22.2)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.77)
[INFO] [stderr]       Adding unindent v0.1.11 (latest: v0.2.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.18.3
[INFO] [stderr]   Downloaded memoffset v0.8.0
[INFO] [stderr]   Downloaded pyo3-macros v0.18.3
[INFO] [stderr]   Downloaded pyo3-build-config v0.18.3
[INFO] [stderr]   Downloaded pyo3-ffi v0.18.3
[INFO] [stderr]   Downloaded pyo3 v0.18.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 499bd84fc9b1687c94919a32c2f3c9ab8a2e99e7d0ec034fc50410d9f373b17b
[INFO] running `Command { std: "docker" "start" "-a" "499bd84fc9b1687c94919a32c2f3c9ab8a2e99e7d0ec034fc50410d9f373b17b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "499bd84fc9b1687c94919a32c2f3c9ab8a2e99e7d0ec034fc50410d9f373b17b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "499bd84fc9b1687c94919a32c2f3c9ab8a2e99e7d0ec034fc50410d9f373b17b", kill_on_drop: false }`
[INFO] [stdout] 499bd84fc9b1687c94919a32c2f3c9ab8a2e99e7d0ec034fc50410d9f373b17b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a485884a947842443c23ddf7ac5a6df799a4c0742cdb69acd80fa90a0e7df49a
[INFO] running `Command { std: "docker" "start" "-a" "a485884a947842443c23ddf7ac5a6df799a4c0742cdb69acd80fa90a0e7df49a", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.12.16
[INFO] [stderr]    Compiling indoc v1.0.9
[INFO] [stderr]     Checking unindent v0.1.11
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling pyo3-build-config v0.18.3
[INFO] [stderr]    Compiling pyo3-ffi v0.18.3
[INFO] [stderr]    Compiling pyo3 v0.18.3
[INFO] [stderr]    Compiling rustpy v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling pyo3-macros-backend v0.18.3
[INFO] [stderr]    Compiling pyo3-macros v0.18.3
[INFO] [stdout] warning: function `are_strings_equal` is never used
[INFO] [stdout]     --> src/lib.rs:1877:10
[INFO] [stdout]      |
[INFO] [stdout] 1877 | const fn are_strings_equal(first: &str, second: &str) -> bool {
[INFO] [stdout]      |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `are_strings_equal` is never used
[INFO] [stdout]     --> src/lib.rs:1877:10
[INFO] [stdout]      |
[INFO] [stdout] 1877 | const fn are_strings_equal(first: &str, second: &str) -> bool {
[INFO] [stdout]      |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` 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 12.48s
[INFO] running `Command { std: "docker" "inspect" "a485884a947842443c23ddf7ac5a6df799a4c0742cdb69acd80fa90a0e7df49a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a485884a947842443c23ddf7ac5a6df799a4c0742cdb69acd80fa90a0e7df49a", kill_on_drop: false }`
[INFO] [stdout] a485884a947842443c23ddf7ac5a6df799a4c0742cdb69acd80fa90a0e7df49a