[INFO] fetching crate rillrate-py 0.37.5...
[INFO] checking rillrate-py-0.37.5 against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] extracting crate rillrate-py 0.37.5 into /workspace/builds/worker-46/source
[INFO] validating manifest of crates.io crate rillrate-py 0.37.5 on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rillrate-py 0.37.5
[INFO] finished tweaking crates.io crate rillrate-py 0.37.5
[INFO] tweaked toml for crates.io crate rillrate-py 0.37.5 written to /workspace/builds/worker-46/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unindent v0.1.7
[INFO] [stderr]   Downloaded paste v0.1.18
[INFO] [stderr]   Downloaded pyo3-build-config v0.14.3
[INFO] [stderr]   Downloaded pyo3 v0.14.3
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.14.3
[INFO] [stderr]   Downloaded pyo3-macros v0.14.3
[INFO] [stderr]   Downloaded indoc-impl v0.3.6
[INFO] [stderr]   Downloaded webpki-roots v0.21.1
[INFO] [stderr]   Downloaded meio-connect v0.93.5
[INFO] [stderr]   Downloaded rate-core v0.37.0
[INFO] [stderr]   Downloaded meio v0.93.5
[INFO] [stderr]   Downloaded env_logger v0.9.0
[INFO] [stderr]   Downloaded rill-protocol v0.37.0
[INFO] [stderr]   Downloaded strum v0.21.0
[INFO] [stderr]   Downloaded vectorize v0.2.0
[INFO] [stderr]   Downloaded meio-protocol v0.93.5
[INFO] [stderr]   Downloaded rrpack-prime v0.37.0
[INFO] [stderr]   Downloaded tokio-stream v0.1.7
[INFO] [stderr]   Downloaded indoc v0.3.6
[INFO] [stderr]   Downloaded paste-impl v0.1.18
[INFO] [stderr]   Downloaded strum_macros v0.21.1
[INFO] [stderr]   Downloaded tokio-tungstenite v0.15.0
[INFO] [stderr]   Downloaded tungstenite v0.14.0
[INFO] [stderr]   Downloaded rillrate v0.37.0
[INFO] [stderr]   Downloaded rill-engine v0.37.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cbaf2fc85b54bee0603d3985b93b7e53a06909741f30fc05e8fe037e3b92513a
[INFO] running `Command { std: "docker" "start" "-a" "cbaf2fc85b54bee0603d3985b93b7e53a06909741f30fc05e8fe037e3b92513a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbaf2fc85b54bee0603d3985b93b7e53a06909741f30fc05e8fe037e3b92513a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbaf2fc85b54bee0603d3985b93b7e53a06909741f30fc05e8fe037e3b92513a", kill_on_drop: false }`
[INFO] [stdout] cbaf2fc85b54bee0603d3985b93b7e53a06909741f30fc05e8fe037e3b92513a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75e22fbac2b2e9ebf3954889e95798052395ff9ca4abdcfade50af0de5f6060a
[INFO] running `Command { std: "docker" "start" "-a" "75e22fbac2b2e9ebf3954889e95798052395ff9ca4abdcfade50af0de5f6060a", kill_on_drop: false }`
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[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde_derive v1.0.129
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[INFO] [stderr]     Checking futures-io v0.3.16
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[INFO] [stderr]    Compiling convert_case v0.4.0
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[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling pyo3-build-config v0.14.3
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[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]     Checking metacrate v0.1.2
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[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]    Compiling tokio v1.10.1
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling unicase v2.6.0
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[INFO] [stderr]     Checking typed-slab v0.1.4
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[INFO] [stderr]    Compiling pyo3 v0.14.3
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[INFO] [stderr]     Checking webpki v0.21.4
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[INFO] [stderr]     Checking webpki-roots v0.21.1
[INFO] [stderr]    Compiling pyo3-macros-backend v0.14.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]    Compiling indoc-impl v0.3.6
[INFO] [stderr]    Compiling pyo3-macros v0.14.3
[INFO] [stderr]     Checking indoc v0.3.6
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[INFO] [stderr]     Checking meio v0.93.5
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[INFO] [stderr]     Checking serde_qs v0.8.4
[INFO] [stderr]     Checking vectorize v0.2.0
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[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]     Checking hyper v0.14.12
[INFO] [stderr]    Compiling proc-macro-crate v1.0.0
[INFO] [stderr]    Compiling num_enum_derive v0.5.4
[INFO] [stderr]     Checking num_enum v0.5.4
[INFO] [stderr]     Checking flexbuffers v2.0.0
[INFO] [stderr]     Checking rill-protocol v0.37.0
[INFO] [stderr]     Checking meio-connect v0.93.5
[INFO] [stderr]     Checking hyper-rustls v0.22.1
[INFO] [stderr]     Checking reqwest v0.11.4
[INFO] [stderr]     Checking rill-engine v0.37.0
[INFO] [stderr]     Checking rrpack-prime v0.37.0
[INFO] [stderr]     Checking rate-core v0.37.0
[INFO] [stderr]     Checking rillrate v0.37.0
[INFO] [stderr]     Checking rillrate-py v0.37.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `Command { std: "docker" "inspect" "75e22fbac2b2e9ebf3954889e95798052395ff9ca4abdcfade50af0de5f6060a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75e22fbac2b2e9ebf3954889e95798052395ff9ca4abdcfade50af0de5f6060a", kill_on_drop: false }`
[INFO] [stdout] 75e22fbac2b2e9ebf3954889e95798052395ff9ca4abdcfade50af0de5f6060a