[INFO] cloning repository https://github.com/shadowkun/pyolearn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shadowkun/pyolearn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshadowkun%2Fpyolearn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshadowkun%2Fpyolearn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ac835607906fa7b95d0bfeff1d1e8d152622eeb6
[INFO] checking shadowkun/pyolearn against try#50f413885985a8b0a0b6ca0766a0aedd45304953 for pr-155657
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshadowkun%2Fpyolearn" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-6-tc2/source/.cargo/config
[INFO] started tweaking git repo https://github.com/shadowkun/pyolearn
[INFO] finished tweaking git repo https://github.com/shadowkun/pyolearn
[INFO] tweaked toml for git repo https://github.com/shadowkun/pyolearn written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/shadowkun/pyolearn on toolchain 50f413885985a8b0a0b6ca0766a0aedd45304953
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/shadowkun/pyolearn 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" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b272b6a38f94f648ecd18426883d91943b8a5e7369e5c2ef40509c8ff382372
[INFO] running `Command { std: "docker" "start" "-a" "8b272b6a38f94f648ecd18426883d91943b8a5e7369e5c2ef40509c8ff382372", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b272b6a38f94f648ecd18426883d91943b8a5e7369e5c2ef40509c8ff382372", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b272b6a38f94f648ecd18426883d91943b8a5e7369e5c2ef40509c8ff382372", kill_on_drop: false }`
[INFO] [stdout] 8b272b6a38f94f648ecd18426883d91943b8a5e7369e5c2ef40509c8ff382372
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9face389d8db82789b2cf1e046473af9109bda8d92b2db3770900d84ec3dbf15
[INFO] running `Command { std: "docker" "start" "-a" "9face389d8db82789b2cf1e046473af9109bda8d92b2db3770900d84ec3dbf15", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling unindent v0.1.5
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling pyo3-derive-backend v0.8.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]    Compiling inventory-impl v0.1.4
[INFO] [stderr]    Compiling ghost v0.1.1
[INFO] [stderr]    Compiling ctor v0.1.12
[INFO] [stderr]     Checking inventory v0.1.4
[INFO] [stderr]    Compiling paste-impl v0.1.6
[INFO] [stderr]    Compiling indoc-impl v0.3.4
[INFO] [stderr]     Checking paste v0.1.6
[INFO] [stderr]     Checking indoc v0.3.4
[INFO] [stderr]    Compiling pyo3cls v0.8.2
[INFO] [stderr]    Compiling serde_json v1.0.41
[INFO] [stderr]    Compiling pyo3 v0.8.2
[INFO] [stdout] error[E0277]: the trait bound `(): PyErrArguments` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pyo3-0.8.2/src/err.rs:433:71
[INFO] [stdout]     |
[INFO] [stdout] 433 |                 PyErr::from_value::<$pyexc>(PyErrValue::from_err_args(err))
[INFO] [stdout]     |                                             ------------------------- ^^^ the trait `PyErrArguments` is not implemented for `()`
[INFO] [stdout]     |                                             |
[INFO] [stdout]     |                                             required by a bound introduced by this call
[INFO] [stdout] ...
[INFO] [stdout] 497 | impl_to_pyerr!(std::string::ParseError, exceptions::ValueError);
[INFO] [stdout]     | --------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: the following other types implement trait `PyErrArguments`:
[INFO] [stdout]               !
[INFO] [stdout]               AddrParseError
[INFO] [stdout]               DecodeUtf16Error
[INFO] [stdout]               FromUtf16Error
[INFO] [stdout]               FromUtf8Error
[INFO] [stdout]               IntoInnerError<W>
[INFO] [stdout]               IntoStringError
[INFO] [stdout]               NulError
[INFO] [stdout]             and 7 others
[INFO] [stdout] note: required by a bound in `PyErrValue::from_err_args`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pyo3-0.8.2/src/err.rs:33:39
[INFO] [stdout]     |
[INFO] [stdout]  33 |     pub fn from_err_args<T: 'static + PyErrArguments>(value: T) -> Self {
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^ required by this bound in `PyErrValue::from_err_args`
[INFO] [stdout]     = note: this error originates in the macro `impl_to_pyerr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pyo3` (lib) due to 1 previous error; 13 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "9face389d8db82789b2cf1e046473af9109bda8d92b2db3770900d84ec3dbf15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9face389d8db82789b2cf1e046473af9109bda8d92b2db3770900d84ec3dbf15", kill_on_drop: false }`
[INFO] [stdout] 9face389d8db82789b2cf1e046473af9109bda8d92b2db3770900d84ec3dbf15
