[INFO] cloning repository https://github.com/portal-co/libtut
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/portal-co/libtut" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fportal-co%2Flibtut", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fportal-co%2Flibtut'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b64965c084233961286b3a22f4bd831434aa8878
[INFO] checking portal-co/libtut 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%2Fportal-co%2Flibtut" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/portal-co/libtut
[INFO] finished tweaking git repo https://github.com/portal-co/libtut
[INFO] tweaked toml for git repo https://github.com/portal-co/libtut written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/portal-co/libtut 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/portal-co/libtut 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 6a2be02cc8588c32f593da1e000b9999da7719c5b74aa00fa51bec60146e171d
[INFO] running `Command { std: "docker" "start" "-a" "6a2be02cc8588c32f593da1e000b9999da7719c5b74aa00fa51bec60146e171d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a2be02cc8588c32f593da1e000b9999da7719c5b74aa00fa51bec60146e171d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a2be02cc8588c32f593da1e000b9999da7719c5b74aa00fa51bec60146e171d", kill_on_drop: false }`
[INFO] [stdout] 6a2be02cc8588c32f593da1e000b9999da7719c5b74aa00fa51bec60146e171d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 7c9442663a270b208dbec68da91928adf8063afef9c12659b14c2aecc0802748
[INFO] running `Command { std: "docker" "start" "-a" "7c9442663a270b208dbec68da91928adf8063afef9c12659b14c2aecc0802748", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]     Checking cpufeatures v0.2.17
[INFO] [stderr]    Compiling zerocopy v0.8.24
[INFO] [stderr]    Compiling embedded-io-async v0.6.1
[INFO] [stderr]     Checking keccak v0.1.5
[INFO] [stderr]     Checking const-oid v0.9.6
[INFO] [stderr]     Checking embedded-io v0.6.1
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking zeroize v1.8.1
[INFO] [stderr]     Checking signature v2.2.0
[INFO] [stderr]     Checking kem v0.3.0-pre.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]     Checking hybrid-array v0.2.3
[INFO] [stderr]     Checking hybrid-array v0.3.0
[INFO] [stderr]     Checking der v0.7.9
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking inout v0.1.4
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha3 v0.10.8
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking chacha20 v0.9.1
[INFO] [stderr]     Checking hash-based-signature v0.1.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking ml-kem v0.3.0-pre
[INFO] [stderr]     Checking embedded-chacha v0.1.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking spki v0.7.3
[INFO] [stderr]     Checking pkcs8 v0.10.2
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling curve25519-dalek-derive v0.1.1
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking x25519-dalek v2.0.1
[INFO] [stderr]     Checking x-wing v0.0.1-pre.1
[INFO] [stderr]     Checking slh-dsa v0.0.3
[INFO] [stderr]     Checking libtut v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ErrorType`
[INFO] [stdout]  --> src/lib.rs:5:25
[INFO] [stdout]   |
[INFO] [stdout] 5 | use embedded_io_async::{ErrorType, Read, ReadExactError, Write};
[INFO] [stdout]   |                         ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hash_based_signature::one_time::HashOneTimeSig`
[INFO] [stdout]  --> src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use hash_based_signature::one_time::HashOneTimeSig;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `digest::typenum::Unsigned`
[INFO] [stdout]  --> src/lib.rs:9:20
[INFO] [stdout]   |
[INFO] [stdout] 9 | use sha3::{Digest, digest::typenum::Unsigned};
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Shake128s`
[INFO] [stdout]   --> src/lib.rs:11:69
[INFO] [stdout]    |
[INFO] [stdout] 11 |     signature::{rand_core::CryptoRngCore, SignerMut}, ParameterSet, Shake128s, Signature, SignatureLen, SigningKey, VerifyingKey
[INFO] [stdout]    |                                                                     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/lib.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 64 |     Ok((ss))
[INFO] [stdout]    |        ^  ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 64 -     Ok((ss))
[INFO] [stdout] 64 +     Ok(ss)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     mut l: &mut T,
[INFO] [stdout]    |     ----^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     mut ekeys: impl Iterator<Item = (EncapsulationKey, slh_dsa::SigningKey<P>)>,
[INFO] [stdout]    |     ----^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |     for (e, mut s) in ekeys {
[INFO] [stdout]    |             ----^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SignerMut`
[INFO] [stdout]   --> src/lib.rs:11:43
[INFO] [stdout]    |
[INFO] [stdout] 11 |     signature::{rand_core::CryptoRngCore, SignerMut}, ParameterSet, Shake128s, Signature, SignatureLen, SigningKey, VerifyingKey
[INFO] [stdout]    |                                           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ErrorType`
[INFO] [stdout]  --> src/lib.rs:5:25
[INFO] [stdout]   |
[INFO] [stdout] 5 | use embedded_io_async::{ErrorType, Read, ReadExactError, Write};
[INFO] [stdout]   |                         ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hash_based_signature::one_time::HashOneTimeSig`
[INFO] [stdout]  --> src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use hash_based_signature::one_time::HashOneTimeSig;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `digest::typenum::Unsigned`
[INFO] [stdout]  --> src/lib.rs:9:20
[INFO] [stdout]   |
[INFO] [stdout] 9 | use sha3::{Digest, digest::typenum::Unsigned};
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Shake128s`
[INFO] [stdout]   --> src/lib.rs:11:69
[INFO] [stdout]    |
[INFO] [stdout] 11 |     signature::{rand_core::CryptoRngCore, SignerMut}, ParameterSet, Shake128s, Signature, SignatureLen, SigningKey, VerifyingKey
[INFO] [stdout]    |                                                                     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/lib.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 64 |     Ok((ss))
[INFO] [stdout]    |        ^  ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 64 -     Ok((ss))
[INFO] [stdout] 64 +     Ok(ss)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     mut l: &mut T,
[INFO] [stdout]    |     ----^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     mut ekeys: impl Iterator<Item = (EncapsulationKey, slh_dsa::SigningKey<P>)>,
[INFO] [stdout]    |     ----^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |     for (e, mut s) in ekeys {
[INFO] [stdout]    |             ----^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SignerMut`
[INFO] [stdout]   --> src/lib.rs:11:43
[INFO] [stdout]    |
[INFO] [stdout] 11 |     signature::{rand_core::CryptoRngCore, SignerMut}, ParameterSet, Shake128s, Signature, SignatureLen, SigningKey, VerifyingKey
[INFO] [stdout]    |                                           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<(Ciphertext, [u8; 32]), Infallible>
[INFO] [stdout]   --> src/lib.rs:42:33
[INFO] [stdout]    |
[INFO] [stdout] 42 |         let Ok((ct, mut ss2)) = e.encapsulate(rng);
[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<[u8; 32], Infallible>
[INFO] [stdout]    --> src/lib.rs:103:29
[INFO] [stdout]     |
[INFO] [stdout] 103 |                     let d = d.decapsulate(&Ciphertext::from(&ct)).unwrap();
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<(Ciphertext, [u8; 32]), Infallible>
[INFO] [stdout]   --> src/lib.rs:42:33
[INFO] [stdout]    |
[INFO] [stdout] 42 |         let Ok((ct, mut ss2)) = e.encapsulate(rng);
[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<[u8; 32], Infallible>
[INFO] [stdout]    --> src/lib.rs:103:29
[INFO] [stdout]     |
[INFO] [stdout] 103 |                     let d = d.decapsulate(&Ciphertext::from(&ct)).unwrap();
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libtut` (lib) due to 2 previous errors; 9 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `libtut` (lib test) due to 2 previous errors; 9 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "7c9442663a270b208dbec68da91928adf8063afef9c12659b14c2aecc0802748", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c9442663a270b208dbec68da91928adf8063afef9c12659b14c2aecc0802748", kill_on_drop: false }`
[INFO] [stdout] 7c9442663a270b208dbec68da91928adf8063afef9c12659b14c2aecc0802748
