[INFO] cloning repository https://github.com/roham-amd/synapse
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/roham-amd/synapse" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froham-amd%2Fsynapse", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froham-amd%2Fsynapse'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4af654f0da31072bf0e0cac33202c621369ee823
[INFO] checking roham-amd/synapse against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froham-amd%2Fsynapse" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/roham-amd/synapse
[INFO] finished tweaking git repo https://github.com/roham-amd/synapse
[INFO] tweaked toml for git repo https://github.com/roham-amd/synapse written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/roham-amd/synapse on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/roham-amd/synapse 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 34d81d8484fb3497fda26e5b781e53a471baffb9f47d09f4752915e227b984fd
[INFO] running `Command { std: "docker" "start" "-a" "34d81d8484fb3497fda26e5b781e53a471baffb9f47d09f4752915e227b984fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34d81d8484fb3497fda26e5b781e53a471baffb9f47d09f4752915e227b984fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34d81d8484fb3497fda26e5b781e53a471baffb9f47d09f4752915e227b984fd", kill_on_drop: false }`
[INFO] [stdout] 34d81d8484fb3497fda26e5b781e53a471baffb9f47d09f4752915e227b984fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c57c84c56ebf4f64986a6da5523f7a25e3e75104c5c25baf0f124350326a514d
[INFO] running `Command { std: "docker" "start" "-a" "c57c84c56ebf4f64986a6da5523f7a25e3e75104c5c25baf0f124350326a514d", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.12.14
[INFO] [stderr]    Compiling proc-macro2 v1.0.82
[INFO] [stderr]    Compiling portable-atomic v1.6.0
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling subtle v2.5.0
[INFO] [stderr]     Checking unindent v0.2.3
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking http v1.1.0
[INFO] [stderr]    Compiling serde_json v1.0.117
[INFO] [stderr]     Checking parking_lot v0.12.2
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling blake2 v0.10.6
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.61
[INFO] [stderr]    Compiling pyo3-build-config v0.21.2
[INFO] [stderr]    Compiling synapse v0.1.0 (/opt/rustwide/workdir/rust)
[INFO] [stderr]     Checking headers-core v0.3.0
[INFO] [stderr]     Checking ulid v1.1.2
[INFO] [stderr]     Checking headers v0.4.0
[INFO] [stderr]    Compiling pyo3-ffi v0.21.2
[INFO] [stderr]    Compiling pyo3 v0.21.2
[INFO] [stderr]    Compiling pyo3-macros-backend v0.21.2
[INFO] [stderr]    Compiling serde_derive v1.0.203
[INFO] [stderr]    Compiling pyo3-macros v0.21.2
[INFO] [stderr]     Checking pyo3-log v0.10.0
[INFO] [stderr]     Checking pythonize v0.21.1
[INFO] [stdout] error: this type will no longer be must used: Result<&str, Infallible>
[INFO] [stdout]   --> rust/src/lib.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[pyfunction]
[INFO] [stdout]    | ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]    = note: this error originates in the attribute macro `pyfunction` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]   --> rust/src/acl/mod.rs:57:1
[INFO] [stdout]    |
[INFO] [stdout] 57 | #[pymethods]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `pymethods` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::option::Option<std::num::NonZero<i64>>, Infallible>
[INFO] [stdout]    --> rust/src/events/internal_metadata.rs:198:1
[INFO] [stdout]     |
[INFO] [stdout] 198 | #[pyclass]
[INFO] [stdout]     | ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `pyclass` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> rust/src/events/internal_metadata.rs:198:1
[INFO] [stdout]     |
[INFO] [stdout] 198 | #[pyclass]
[INFO] [stdout]     | ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `pyclass` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<EventInternalMetadata, Infallible>
[INFO] [stdout]    --> rust/src/events/internal_metadata.rs:214:1
[INFO] [stdout]     |
[INFO] [stdout] 214 | #[pymethods]
[INFO] [stdout]     | ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `pymethods` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> rust/src/events/internal_metadata.rs:214:1
[INFO] [stdout]     |
[INFO] [stdout] 214 | #[pymethods]
[INFO] [stdout]     | ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `pymethods` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::option::Option<&str>, Infallible>
[INFO] [stdout]    --> rust/src/events/internal_metadata.rs:214:1
[INFO] [stdout]     |
[INFO] [stdout] 214 | #[pymethods]
[INFO] [stdout]     | ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `pymethods` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<HashSet<&str>, Infallible>
[INFO] [stdout]    --> rust/src/push/mod.rs:100:1
[INFO] [stdout]     |
[INFO] [stdout] 100 | #[pyfunction]
[INFO] [stdout]     | ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `pyfunction` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i32, Infallible>
[INFO] [stdout]    --> rust/src/push/mod.rs:107:1
[INFO] [stdout]     |
[INFO] [stdout] 107 | #[pyclass(frozen)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `pyclass` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> rust/src/push/mod.rs:107:1
[INFO] [stdout]     |
[INFO] [stdout] 107 | #[pyclass(frozen)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `pyclass` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<PushRule>, Infallible>
[INFO] [stdout]    --> rust/src/push/mod.rs:460:1
[INFO] [stdout]     |
[INFO] [stdout] 460 | #[pymethods]
[INFO] [stdout]     | ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `pymethods` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<(PushRule, bool)>, Infallible>
[INFO] [stdout]    --> rust/src/push/mod.rs:539:1
[INFO] [stdout]     |
[INFO] [stdout] 539 | #[pymethods]
[INFO] [stdout]     | ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `pymethods` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<Action>, Infallible>
[INFO] [stdout]    --> rust/src/push/evaluator.rs:110:1
[INFO] [stdout]     |
[INFO] [stdout] 110 | #[pymethods]
[INFO] [stdout]     | ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `pymethods` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> rust/src/push/evaluator.rs:110:1
[INFO] [stdout]     |
[INFO] [stdout] 110 | #[pymethods]
[INFO] [stdout]     | ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `pymethods` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `synapse` (lib) due to 14 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<&str, Infallible>
[INFO] [stdout]   --> rust/src/lib.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[pyfunction]
[INFO] [stdout]    | ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]    = note: this error originates in the attribute macro `pyfunction` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]   --> rust/src/acl/mod.rs:57:1
[INFO] [stdout]    |
[INFO] [stdout] 57 | #[pymethods]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `pymethods` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::option::Option<std::num::NonZero<i64>>, Infallible>
[INFO] [stdout]    --> rust/src/events/internal_metadata.rs:198:1
[INFO] [stdout]     |
[INFO] [stdout] 198 | #[pyclass]
[INFO] [stdout]     | ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `pyclass` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> rust/src/events/internal_metadata.rs:198:1
[INFO] [stdout]     |
[INFO] [stdout] 198 | #[pyclass]
[INFO] [stdout]     | ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `pyclass` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<EventInternalMetadata, Infallible>
[INFO] [stdout]    --> rust/src/events/internal_metadata.rs:214:1
[INFO] [stdout]     |
[INFO] [stdout] 214 | #[pymethods]
[INFO] [stdout]     | ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `pymethods` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> rust/src/events/internal_metadata.rs:214:1
[INFO] [stdout]     |
[INFO] [stdout] 214 | #[pymethods]
[INFO] [stdout]     | ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `pymethods` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::option::Option<&str>, Infallible>
[INFO] [stdout]    --> rust/src/events/internal_metadata.rs:214:1
[INFO] [stdout]     |
[INFO] [stdout] 214 | #[pymethods]
[INFO] [stdout]     | ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `pymethods` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<HashSet<&str>, Infallible>
[INFO] [stdout]    --> rust/src/push/mod.rs:100:1
[INFO] [stdout]     |
[INFO] [stdout] 100 | #[pyfunction]
[INFO] [stdout]     | ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `pyfunction` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i32, Infallible>
[INFO] [stdout]    --> rust/src/push/mod.rs:107:1
[INFO] [stdout]     |
[INFO] [stdout] 107 | #[pyclass(frozen)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `pyclass` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> rust/src/push/mod.rs:107:1
[INFO] [stdout]     |
[INFO] [stdout] 107 | #[pyclass(frozen)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `pyclass` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<PushRule>, Infallible>
[INFO] [stdout]    --> rust/src/push/mod.rs:460:1
[INFO] [stdout]     |
[INFO] [stdout] 460 | #[pymethods]
[INFO] [stdout]     | ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `pymethods` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<(PushRule, bool)>, Infallible>
[INFO] [stdout]    --> rust/src/push/mod.rs:539:1
[INFO] [stdout]     |
[INFO] [stdout] 539 | #[pymethods]
[INFO] [stdout]     | ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `pymethods` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<Action>, Infallible>
[INFO] [stdout]    --> rust/src/push/evaluator.rs:110:1
[INFO] [stdout]     |
[INFO] [stdout] 110 | #[pymethods]
[INFO] [stdout]     | ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `pymethods` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> rust/src/push/evaluator.rs:110:1
[INFO] [stdout]     |
[INFO] [stdout] 110 | #[pymethods]
[INFO] [stdout]     | ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `pymethods` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `synapse` (lib test) due to 14 previous errors
[INFO] running `Command { std: "docker" "inspect" "c57c84c56ebf4f64986a6da5523f7a25e3e75104c5c25baf0f124350326a514d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c57c84c56ebf4f64986a6da5523f7a25e3e75104c5c25baf0f124350326a514d", kill_on_drop: false }`
[INFO] [stdout] c57c84c56ebf4f64986a6da5523f7a25e3e75104c5c25baf0f124350326a514d
