[INFO] fetching crate lafs 0.0.5... [INFO] checking lafs-0.0.5 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate lafs 0.0.5 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate lafs 0.0.5 [INFO] finished tweaking crates.io crate lafs 0.0.5 [INFO] tweaked toml for crates.io crate lafs 0.0.5 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate lafs 0.0.5 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 crates.io crate lafs 0.0.5 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 3e4a59ff8a734acd75488ae5a3974d67205316daac0dfeaafd1a56f271317058 [INFO] running `Command { std: "docker" "start" "-a" "3e4a59ff8a734acd75488ae5a3974d67205316daac0dfeaafd1a56f271317058", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3e4a59ff8a734acd75488ae5a3974d67205316daac0dfeaafd1a56f271317058", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3e4a59ff8a734acd75488ae5a3974d67205316daac0dfeaafd1a56f271317058", kill_on_drop: false }` [INFO] [stdout] 3e4a59ff8a734acd75488ae5a3974d67205316daac0dfeaafd1a56f271317058 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 3aaa0e41c5baa81566daa9efe24c2fa7a91d70dbbb96cf20055a000787a0ec2e [INFO] running `Command { std: "docker" "start" "-a" "3aaa0e41c5baa81566daa9efe24c2fa7a91d70dbbb96cf20055a000787a0ec2e", kill_on_drop: false }` [INFO] [stderr] Checking base64ct v1.8.0 [INFO] [stderr] Compiling num-bigint-dig v0.8.4 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling pyo3-build-config v0.23.5 [INFO] [stderr] Checking hex-conservative v0.3.0 [INFO] [stderr] Checking getrandom v0.2.16 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Checking digest v0.10.7 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking signature v2.2.0 [INFO] [stderr] Checking pem-rfc7468 v0.7.0 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling syn v2.0.104 [INFO] [stderr] Checking der v0.7.10 [INFO] [stderr] Checking bitcoin_hashes v0.16.0 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking num-iter v0.1.45 [INFO] [stderr] Checking spki v0.7.3 [INFO] [stderr] Checking pkcs8 v0.10.2 [INFO] [stderr] Checking pkcs1 v0.7.5 [INFO] [stderr] Compiling pyo3-ffi v0.23.5 [INFO] [stderr] Compiling pyo3-macros-backend v0.23.5 [INFO] [stderr] Compiling pyo3 v0.23.5 [INFO] [stderr] Checking rsa v0.9.8 [INFO] [stderr] Checking serde_yaml v0.9.34+deprecated [INFO] [stderr] Compiling pyo3-macros v0.23.5 [INFO] [stderr] Checking lafs v0.0.5 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/lib.rs:20:79 [INFO] [stdout] | [INFO] [stdout] 20 | fn derive_mutable_uri(py: Python, private_key_pem: &str, format: &str) -> PyObject { [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, Infallible> [INFO] [stdout] --> src/lib.rs:35:45 [INFO] [stdout] | [INFO] [stdout] 35 | fn b2a(py: Python, b: &[u8]) -> PyObject { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/lib.rs:48:87 [INFO] [stdout] | [INFO] [stdout] 48 | fn tagged_hash(py: Python, tag: &[u8], val: &[u8], truncate_to: usize) -> PyObject { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/lib.rs:54:65 [INFO] [stdout] | [INFO] [stdout] 54 | fn ssk_writekey_hash(py: Python, privkey: &[u8]) -> PyObject { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/lib.rs:60:74 [INFO] [stdout] | [INFO] [stdout] 60 | fn ssk_pubkey_fingerprint_hash(py: Python, pubkey: &[u8]) -> PyObject { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/lib.rs:73:54 [INFO] [stdout] | [INFO] [stdout] 73 | fn py_netstring(py: Python, s: &[u8]) -> PyObject { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `lafs` (lib) due to 6 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, Infallible> [INFO] [stdout] --> src/lib.rs:20:79 [INFO] [stdout] | [INFO] [stdout] 20 | fn derive_mutable_uri(py: Python, private_key_pem: &str, format: &str) -> PyObject { [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, Infallible> [INFO] [stdout] --> src/lib.rs:35:45 [INFO] [stdout] | [INFO] [stdout] 35 | fn b2a(py: Python, b: &[u8]) -> PyObject { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/lib.rs:48:87 [INFO] [stdout] | [INFO] [stdout] 48 | fn tagged_hash(py: Python, tag: &[u8], val: &[u8], truncate_to: usize) -> PyObject { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/lib.rs:54:65 [INFO] [stdout] | [INFO] [stdout] 54 | fn ssk_writekey_hash(py: Python, privkey: &[u8]) -> PyObject { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/lib.rs:60:74 [INFO] [stdout] | [INFO] [stdout] 60 | fn ssk_pubkey_fingerprint_hash(py: Python, pubkey: &[u8]) -> PyObject { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/lib.rs:73:54 [INFO] [stdout] | [INFO] [stdout] 73 | fn py_netstring(py: Python, s: &[u8]) -> PyObject { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `lafs` (lib test) due to 6 previous errors [INFO] running `Command { std: "docker" "inspect" "3aaa0e41c5baa81566daa9efe24c2fa7a91d70dbbb96cf20055a000787a0ec2e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3aaa0e41c5baa81566daa9efe24c2fa7a91d70dbbb96cf20055a000787a0ec2e", kill_on_drop: false }` [INFO] [stdout] 3aaa0e41c5baa81566daa9efe24c2fa7a91d70dbbb96cf20055a000787a0ec2e