[INFO] cloning repository https://github.com/elkanatovey/babyjubjub-py
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/elkanatovey/babyjubjub-py" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felkanatovey%2Fbabyjubjub-py", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felkanatovey%2Fbabyjubjub-py'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fa9ddae70cf269267996508008fdb5480839be34
[INFO] checking elkanatovey/babyjubjub-py 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%2Felkanatovey%2Fbabyjubjub-py" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/elkanatovey/babyjubjub-py
[INFO] finished tweaking git repo https://github.com/elkanatovey/babyjubjub-py
[INFO] tweaked toml for git repo https://github.com/elkanatovey/babyjubjub-py written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/elkanatovey/babyjubjub-py 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/elkanatovey/babyjubjub-py 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-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae9f22ff5d73471de7687f12109071e2eaf81b9bd68272946cb8594938d4f83f
[INFO] running `Command { std: "docker" "start" "-a" "ae9f22ff5d73471de7687f12109071e2eaf81b9bd68272946cb8594938d4f83f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae9f22ff5d73471de7687f12109071e2eaf81b9bd68272946cb8594938d4f83f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae9f22ff5d73471de7687f12109071e2eaf81b9bd68272946cb8594938d4f83f", kill_on_drop: false }`
[INFO] [stdout] ae9f22ff5d73471de7687f12109071e2eaf81b9bd68272946cb8594938d4f83f
[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 -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] 6f391fb2edd7dff47903aa573d408e22449d34881eccb347459ff4fb7e24fbc1
[INFO] running `Command { std: "docker" "start" "-a" "6f391fb2edd7dff47903aa573d408e22449d34881eccb347459ff4fb7e24fbc1", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling target-lexicon v0.13.3
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]     Checking memchr v2.7.6
[INFO] [stderr]    Compiling indoc v2.0.7
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking unindent v0.2.4
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]    Compiling pyo3-build-config v0.27.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking blake-hash v0.4.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]    Compiling pyo3-ffi v0.27.1
[INFO] [stderr]    Compiling pyo3-macros-backend v0.27.1
[INFO] [stderr]    Compiling pyo3 v0.27.1
[INFO] [stderr]     Checking serde_json v1.0.145
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]    Compiling ff_derive_ce v0.8.0
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking ff_ce v0.11.0
[INFO] [stderr]     Checking poseidon-rs v0.0.8
[INFO] [stderr]     Checking babyjubjub-rs v0.0.11
[INFO] [stderr]    Compiling pyo3-macros v0.27.1
[INFO] [stderr]     Checking babyjubjub-py v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<ECPoint, Infallible>
[INFO] [stdout]   --> src/lib.rs:38:23
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn generator() -> Self {
[INFO] [stdout]    |                       ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ECPoint, Infallible>
[INFO] [stdout]   --> src/lib.rs:56:22
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn infinity() -> Self {
[INFO] [stdout]    |                      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ECPoint, Infallible>
[INFO] [stdout]   --> src/lib.rs:78:51
[INFO] [stdout]    |
[INFO] [stdout] 78 |     fn add(&self, py: Python, other: &ECPoint) -> Self {
[INFO] [stdout]    |                                                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ECPoint, Infallible>
[INFO] [stdout]   --> src/lib.rs:88:22
[INFO] [stdout]    |
[INFO] [stdout] 88 |     fn neg(&self) -> Self {
[INFO] [stdout]    |                      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ECPoint, Infallible>
[INFO] [stdout]   --> src/lib.rs:95:51
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn sub(&self, py: Python, other: &ECPoint) -> Self {
[INFO] [stdout]    |                                                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/lib.rs:111:30
[INFO] [stdout]     |
[INFO] [stdout] 111 |     fn is_infinity(&self) -> bool {
[INFO] [stdout]     |                              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/lib.rs:116:24
[INFO] [stdout]     |
[INFO] [stdout] 116 |     fn x_hex(&self) -> String {
[INFO] [stdout]     |                        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/lib.rs:121:24
[INFO] [stdout]     |
[INFO] [stdout] 121 |     fn y_hex(&self) -> String {
[INFO] [stdout]     |                        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<u8>, Infallible>
[INFO] [stdout]    --> src/lib.rs:126:27
[INFO] [stdout]     |
[INFO] [stdout] 126 |     fn to_bytes(&self) -> Vec<u8> {
[INFO] [stdout]     |                           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<u8>, Infallible>
[INFO] [stdout]    --> src/lib.rs:131:40
[INFO] [stdout]     |
[INFO] [stdout] 131 |     fn to_bytes_uncompressed(&self) -> Vec<u8> {
[INFO] [stdout]     |                                        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `babyjubjub-py` (lib) due to 10 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<ECPoint, Infallible>
[INFO] [stdout]   --> src/lib.rs:38:23
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn generator() -> Self {
[INFO] [stdout]    |                       ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ECPoint, Infallible>
[INFO] [stdout]   --> src/lib.rs:56:22
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn infinity() -> Self {
[INFO] [stdout]    |                      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ECPoint, Infallible>
[INFO] [stdout]   --> src/lib.rs:78:51
[INFO] [stdout]    |
[INFO] [stdout] 78 |     fn add(&self, py: Python, other: &ECPoint) -> Self {
[INFO] [stdout]    |                                                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ECPoint, Infallible>
[INFO] [stdout]   --> src/lib.rs:88:22
[INFO] [stdout]    |
[INFO] [stdout] 88 |     fn neg(&self) -> Self {
[INFO] [stdout]    |                      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ECPoint, Infallible>
[INFO] [stdout]   --> src/lib.rs:95:51
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn sub(&self, py: Python, other: &ECPoint) -> Self {
[INFO] [stdout]    |                                                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/lib.rs:111:30
[INFO] [stdout]     |
[INFO] [stdout] 111 |     fn is_infinity(&self) -> bool {
[INFO] [stdout]     |                              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/lib.rs:116:24
[INFO] [stdout]     |
[INFO] [stdout] 116 |     fn x_hex(&self) -> String {
[INFO] [stdout]     |                        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/lib.rs:121:24
[INFO] [stdout]     |
[INFO] [stdout] 121 |     fn y_hex(&self) -> String {
[INFO] [stdout]     |                        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<u8>, Infallible>
[INFO] [stdout]    --> src/lib.rs:126:27
[INFO] [stdout]     |
[INFO] [stdout] 126 |     fn to_bytes(&self) -> Vec<u8> {
[INFO] [stdout]     |                           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<u8>, Infallible>
[INFO] [stdout]    --> src/lib.rs:131:40
[INFO] [stdout]     |
[INFO] [stdout] 131 |     fn to_bytes_uncompressed(&self) -> Vec<u8> {
[INFO] [stdout]     |                                        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `babyjubjub-py` (lib test) due to 10 previous errors
[INFO] running `Command { std: "docker" "inspect" "6f391fb2edd7dff47903aa573d408e22449d34881eccb347459ff4fb7e24fbc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f391fb2edd7dff47903aa573d408e22449d34881eccb347459ff4fb7e24fbc1", kill_on_drop: false }`
[INFO] [stdout] 6f391fb2edd7dff47903aa573d408e22449d34881eccb347459ff4fb7e24fbc1
