[INFO] cloning repository https://github.com/ImfanAi/rust-crypto
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ImfanAi/rust-crypto" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FImfanAi%2Frust-crypto", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FImfanAi%2Frust-crypto'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b9d2589ed2a23d6df81f204549602f34d070dd45
[INFO] checking ImfanAi/rust-crypto 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%2FImfanAi%2Frust-crypto" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ImfanAi/rust-crypto
[INFO] finished tweaking git repo https://github.com/ImfanAi/rust-crypto
[INFO] tweaked toml for git repo https://github.com/ImfanAi/rust-crypto written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ImfanAi/rust-crypto 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/ImfanAi/rust-crypto 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] a9506b1c86fb64e860c3985e9455faed46cb2193987e919affce78738f76d235
[INFO] running `Command { std: "docker" "start" "-a" "a9506b1c86fb64e860c3985e9455faed46cb2193987e919affce78738f76d235", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9506b1c86fb64e860c3985e9455faed46cb2193987e919affce78738f76d235", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9506b1c86fb64e860c3985e9455faed46cb2193987e919affce78738f76d235", kill_on_drop: false }`
[INFO] [stdout] a9506b1c86fb64e860c3985e9455faed46cb2193987e919affce78738f76d235
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 1b78bafc1e5bc61a53dd852da4a5687f01b15f2e367c042207d8ec965c5af6d8
[INFO] running `Command { std: "docker" "start" "-a" "1b78bafc1e5bc61a53dd852da4a5687f01b15f2e367c042207d8ec965c5af6d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling cryptoki-sys v0.2.0 (/opt/rustwide/workdir/cryptoki-sys)
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]     Checking libloading v0.7.4
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking zeroize v1.7.0
[INFO] [stderr]     Checking testresult v0.4.1
[INFO] [stderr]     Checking secrecy v0.8.0
[INFO] [stderr]     Checking cryptoki v0.8.0 (/opt/rustwide/workdir/cryptoki)
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> cryptoki/src/session/object_management.rs:227:25
[INFO] [stdout]     |
[INFO] [stdout] 227 |     pub fn iter_objects(&self, template: &[Attribute]) -> Result<ObjectHandleIterator> {
[INFO] [stdout]     |                         ^^^^^ the lifetime is elided here        ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 227 |     pub fn iter_objects(&self, template: &[Attribute]) -> Result<ObjectHandleIterator<'_>> {
[INFO] [stdout]     |                                                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> cryptoki/src/session/object_management.rs:248:9
[INFO] [stdout]     |
[INFO] [stdout] 248 |         &self,
[INFO] [stdout]     |         ^^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 251 |     ) -> Result<ObjectHandleIterator> {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 251 |     ) -> Result<ObjectHandleIterator<'_>> {
[INFO] [stdout]     |                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, Infallible>, u64>
[INFO] [stdout]   --> cryptoki/src/slot/mod.rs:57:22
[INFO] [stdout]    |
[INFO] [stdout] 57 |             slot_id: slot_id.try_into()?,
[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: std::result::Result<u64, Infallible>
[INFO] [stdout]   --> cryptoki/src/slot/mod.rs:57:22
[INFO] [stdout]    |
[INFO] [stdout] 57 |             slot_id: slot_id.try_into()?,
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cryptoki` (lib) due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "1b78bafc1e5bc61a53dd852da4a5687f01b15f2e367c042207d8ec965c5af6d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b78bafc1e5bc61a53dd852da4a5687f01b15f2e367c042207d8ec965c5af6d8", kill_on_drop: false }`
[INFO] [stdout] 1b78bafc1e5bc61a53dd852da4a5687f01b15f2e367c042207d8ec965c5af6d8
