[INFO] fetching crate py-fossil-delta 0.1.3...
[INFO] testing py-fossil-delta-0.1.3 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate py-fossil-delta 0.1.3 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate py-fossil-delta 0.1.3
[INFO] finished tweaking crates.io crate py-fossil-delta 0.1.3
[INFO] tweaked toml for crates.io crate py-fossil-delta 0.1.3 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate py-fossil-delta 0.1.3 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 67 packages to highest compatible versions
[INFO] [stderr]       Adding cbindgen v0.5.2 (available: v0.29.4)
[INFO] [stderr]       Adding indoc-impl v0.3.6 (available: v0.3.7)
[INFO] [stderr]       Adding pyo3 v0.8.5 (available: v0.30.1)
[INFO] [stderr]       Adding serde v1.0.102 (available: v1.0.229)
[INFO] [stderr]       Adding serde_derive v1.0.21 (available: v1.0.229)
[INFO] [stderr]       Adding serde_json v1.0.99 (available: v1.0.154)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused build dependency `cbindgen`
[INFO] [stderr]  --> Cargo.toml:1:21
[INFO] [stderr]   |
[INFO] [stderr] 1 | [build-dependencies.cbindgen]
[INFO] [stderr]   |                     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `cbindgen`
[INFO] [stderr] warning: `py-fossil-delta` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 489cd7b8185fa85561e14382bedb7fd5c8764fb846936ac1dde155259847c4af
[INFO] running `Command { std: "docker" "start" "489cd7b8185fa85561e14382bedb7fd5c8764fb846936ac1dde155259847c4af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "489cd7b8185fa85561e14382bedb7fd5c8764fb846936ac1dde155259847c4af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "489cd7b8185fa85561e14382bedb7fd5c8764fb846936ac1dde155259847c4af" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "489cd7b8185fa85561e14382bedb7fd5c8764fb846936ac1dde155259847c4af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "489cd7b8185fa85561e14382bedb7fd5c8764fb846936ac1dde155259847c4af" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: unused build dependency `cbindgen`
[INFO] [stderr]  --> Cargo.toml:1:21
[INFO] [stderr]   |
[INFO] [stderr] 1 | [build-dependencies.cbindgen]
[INFO] [stderr]   |                     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `cbindgen`
[INFO] [stderr] warning: `py-fossil-delta` (manifest) generated 1 warning
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]    Compiling regex-syntax v0.8.11
[INFO] [stderr]    Compiling serde_json v1.0.99
[INFO] [stderr]    Compiling ryu v1.0.23
[INFO] [stderr]    Compiling syn v3.0.9
[INFO] [stderr]    Compiling inventory v0.1.11
[INFO] [stderr]    Compiling aho-corasick v1.1.5
[INFO] [stderr]    Compiling unindent v0.1.11
[INFO] [stderr]    Compiling ctor v0.1.26
[INFO] [stderr]    Compiling pyo3-derive-backend v0.8.5
[INFO] [stderr]    Compiling inventory-impl v0.1.11
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]    Compiling fossil-delta v0.2.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling indoc-impl v0.3.6
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling indoc v0.3.6
[INFO] [stderr]    Compiling paste v0.1.18
[INFO] [stderr]    Compiling serde_derive_internals v0.17.0
[INFO] [stderr]    Compiling pyo3cls v0.8.5
[INFO] [stderr]    Compiling serde_derive v1.0.21
[INFO] [stderr]    Compiling ghost v0.1.23
[INFO] [stderr]    Compiling regex-automata v0.4.18
[INFO] [stderr]    Compiling regex v1.13.1
[INFO] [stderr]    Compiling pyo3 v0.8.5
[INFO] [stderr] error: failed to run custom build command for `pyo3 v0.8.5`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_RELEASE_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/release/build/pyo3/c021f3fb5eb1a21e/out/build_script_build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (597) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pyo3-0.8.5/build.rs:542:9:
[INFO] [stderr]   Error: pyo3 requires a nightly or dev version of Rust.
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5910c7346251 - <<std[617be2ca0a6fd877]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[a373ad73a504971]::fmt::Display>::fmt
[INFO] [stderr]      1:     0x5910c735a56a - core[a373ad73a504971]::fmt::write
[INFO] [stderr]      2:     0x5910c734a11c - <std[617be2ca0a6fd877]::sys::stdio::unix::Stderr as core[a373ad73a504971]::io::write::Write>::write_fmt
[INFO] [stderr]      3:     0x5910c7325e56 - std[617be2ca0a6fd877]::panicking::default_hook::{closure#0}
[INFO] [stderr]      4:     0x5910c733f3e1 - std[617be2ca0a6fd877]::panicking::default_hook
[INFO] [stderr]      5:     0x5910c733f59b - std[617be2ca0a6fd877]::panicking::panic_with_hook
[INFO] [stderr]      6:     0x5910c73254ec - std[617be2ca0a6fd877]::panicking::begin_panic::<&str>::{closure#0}
[INFO] [stderr]      7:     0x5910c731ec79 - std[617be2ca0a6fd877]::sys::backtrace::__rust_end_short_backtrace::<std[617be2ca0a6fd877]::panicking::begin_panic<&str>::{closure#0}, !>
[INFO] [stderr]      8:     0x5910c731c9ab - std[617be2ca0a6fd877]::panicking::begin_panic::<&str>
[INFO] [stderr]      9:     0x5910c712a474 - build_script_build[c52f4eed2e46a3e4]::check_rustc_version
[INFO] [stderr]     10:     0x5910c712c244 - build_script_build[c52f4eed2e46a3e4]::main
[INFO] [stderr]     11:     0x5910c71190de - <fn() -> core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String> as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     12:     0x5910c7113bc1 - std[617be2ca0a6fd877]::sys::backtrace::__rust_begin_short_backtrace::<fn() -> core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>, core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>>
[INFO] [stderr]     13:     0x5910c71151cf - std[617be2ca0a6fd877]::rt::lang_start::<core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>>::{closure#0}
[INFO] [stderr]     14:     0x5910c733e7e8 - std[617be2ca0a6fd877]::rt::lang_start_internal
[INFO] [stderr]     15:     0x5910c7113431 - std[617be2ca0a6fd877]::rt::lang_start::<core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>>
[INFO] [stderr]     16:     0x5910c712dec5 - main
[INFO] [stderr]     17:     0x7d0296356601 - <unknown>
[INFO] [stderr]     18:     0x7d0296356718 - __libc_start_main
[INFO] [stderr]     19:     0x5910c7112935 - _start
[INFO] [stderr]     20:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "489cd7b8185fa85561e14382bedb7fd5c8764fb846936ac1dde155259847c4af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "489cd7b8185fa85561e14382bedb7fd5c8764fb846936ac1dde155259847c4af", kill_on_drop: false }`
[INFO] [stdout] 489cd7b8185fa85561e14382bedb7fd5c8764fb846936ac1dde155259847c4af
