[INFO] cloning repository https://github.com/i-h-bar/vault
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/i-h-bar/vault" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fi-h-bar%2Fvault", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fi-h-bar%2Fvault'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1f43d4656dd8cad03d27a99e08a64fd3029dbd56
[INFO] checking i-h-bar/vault 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%2Fi-h-bar%2Fvault" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/i-h-bar/vault
[INFO] finished tweaking git repo https://github.com/i-h-bar/vault
[INFO] tweaked toml for git repo https://github.com/i-h-bar/vault written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/i-h-bar/vault 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/i-h-bar/vault 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] e2708aef09b54a3c4d7a2d353b2582c2442d66af3ceecc32c04748c457d560a0
[INFO] running `Command { std: "docker" "start" "-a" "e2708aef09b54a3c4d7a2d353b2582c2442d66af3ceecc32c04748c457d560a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2708aef09b54a3c4d7a2d353b2582c2442d66af3ceecc32c04748c457d560a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2708aef09b54a3c4d7a2d353b2582c2442d66af3ceecc32c04748c457d560a0", kill_on_drop: false }`
[INFO] [stdout] e2708aef09b54a3c4d7a2d353b2582c2442d66af3ceecc32c04748c457d560a0
[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] 95fcec0236400a80d65f1e370ef04901c8004796934a49b538b3fc789063f3af
[INFO] running `Command { std: "docker" "start" "-a" "95fcec0236400a80d65f1e370ef04901c8004796934a49b538b3fc789063f3af", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.13.2
[INFO] [stderr]    Compiling zerocopy v0.8.14
[INFO] [stderr]    Compiling getrandom v0.3.1
[INFO] [stderr]    Compiling indoc v2.0.6
[INFO] [stderr]     Checking unindent v0.2.4
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]    Compiling pyo3-build-config v0.24.0 (https://github.com/pyo3/pyo3#4aca459f)
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling pyo3-macros-backend v0.24.0 (https://github.com/pyo3/pyo3#4aca459f)
[INFO] [stderr]    Compiling pyo3-ffi v0.24.0 (https://github.com/pyo3/pyo3#4aca459f)
[INFO] [stderr]    Compiling pyo3 v0.24.0 (https://github.com/pyo3/pyo3#4aca459f)
[INFO] [stderr]    Compiling zerocopy-derive v0.8.14
[INFO] [stderr]    Compiling pyo3-macros v0.24.0 (https://github.com/pyo3/pyo3#4aca459f)
[INFO] [stderr]     Checking rand_core v0.9.0
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.0
[INFO] [stderr]     Checking lwe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<u8>, Infallible>
[INFO] [stdout]   --> src/keys/public.rs:47:31
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn to_bytes(&self) -> Vec<u8> {
[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<String, Infallible>
[INFO] [stdout]   --> src/keys/public.rs:51:29
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn to_b64(&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/keys/public.rs:55:45
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn encrypt(&self, message: &str) -> 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/keys/secret.rs:47:31
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn to_bytes(&self) -> Vec<u8> {
[INFO] [stdout]    |                               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/keys/secret.rs:51:29
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn to_b64(&self) -> String {
[INFO] [stdout]    |                             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Public, Infallible>
[INFO] [stdout]   --> src/keys/secret.rs:55:42
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn generate_public_key(&self) -> Public {
[INFO] [stdout]    |                                          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<u8>, Infallible>
[INFO] [stdout]   --> src/keys/public.rs:47:31
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn to_bytes(&self) -> Vec<u8> {
[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<String, Infallible>
[INFO] [stdout]   --> src/keys/public.rs:51:29
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn to_b64(&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/keys/public.rs:55:45
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn encrypt(&self, message: &str) -> 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/keys/secret.rs:47:31
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn to_bytes(&self) -> Vec<u8> {
[INFO] [stdout]    |                               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/keys/secret.rs:51:29
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn to_b64(&self) -> String {
[INFO] [stdout]    |                             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Public, Infallible>
[INFO] [stdout]   --> src/keys/secret.rs:55:42
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn generate_public_key(&self) -> Public {
[INFO] [stdout]    |                                          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lwe` (lib test) due to 6 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `lwe` (lib) due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "95fcec0236400a80d65f1e370ef04901c8004796934a49b538b3fc789063f3af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95fcec0236400a80d65f1e370ef04901c8004796934a49b538b3fc789063f3af", kill_on_drop: false }`
[INFO] [stdout] 95fcec0236400a80d65f1e370ef04901c8004796934a49b538b3fc789063f3af
