[INFO] updating cached repository https://github.com/goldenMetteyya/microsalt
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1551f17de03040f3f7958f5180be78e8fd741dc3
[INFO] checking goldenMetteyya/microsalt against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FgoldenMetteyya%2Fmicrosalt" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/goldenMetteyya/microsalt on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/goldenMetteyya/microsalt
[INFO] finished tweaking git repo https://github.com/goldenMetteyya/microsalt
[INFO] tweaked toml for git repo https://github.com/goldenMetteyya/microsalt written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/goldenMetteyya/microsalt already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-2/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 87703ea942c21c22daeed4643d4d6c2c26c70364fee73b91f8cdb09a2455eea4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "87703ea942c21c22daeed4643d4d6c2c26c70364fee73b91f8cdb09a2455eea4"`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]     Checking unwrap v1.1.0
[INFO] [stderr]     Checking index-fixed v0.0.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking microsalt v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `shared`
[INFO] [stderr]  --> src/sign/mod.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use shared;
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `shared`
[INFO] [stderr]   --> src/secretbox/mod.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 | use shared;
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `shared`
[INFO] [stderr]  --> src/boxy/mod.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use shared;
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `shared`
[INFO] [stderr]  --> src/boxy/mod.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use shared;
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/hash/sha512.rs:137:9
[INFO] [stderr]     |
[INFO] [stderr] 137 |     let mut x = &mut x[..new_len];
[INFO] [stderr]     |         ----^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/sign/ed25519.rs:396:16
[INFO] [stderr]     |
[INFO] [stderr] 396 |     let (init, mut rest) = r.split_at_mut(3);
[INFO] [stderr]     |                ----^^^^
[INFO] [stderr]     |                |
[INFO] [stderr]     |                help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `random_data_test_helper`
[INFO] [stderr]    --> src/shared.rs:150:8
[INFO] [stderr]     |
[INFO] [stderr] 150 | pub fn random_data_test_helper(len: usize) -> Vec<u8> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SIGN_BYTES`
[INFO] [stderr]   --> src/sign/ed25519.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub const SIGN_BYTES: usize = 64;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test_sign_vectors_detached`
[INFO] [stderr]    --> src/sign/mod.rs:337:4
[INFO] [stderr]     |
[INFO] [stderr] 337 | fn test_sign_vectors_detached() {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/secretbox/mod.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 100 |     xsalsa20poly1305::secretbox(&mut cipher, &m, &nonce, &key.0);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/boxy/mod.rs:71:9
[INFO] [stderr]    |
[INFO] [stderr] 71 |         curve25519xsalsa20poly1305::box_(&mut cipher, &m, &nonce, &pk.0, &sk.0);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/hash/sha512.rs:137:9
[INFO] [stderr]     |
[INFO] [stderr] 137 |     let mut x = &mut x[..new_len];
[INFO] [stderr]     |         ----^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/sign/mod.rs:250:13
[INFO] [stderr]     |
[INFO] [stderr] 250 |         let mut sig = key.sign(&message);
[INFO] [stderr]     |             ----^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/sign/ed25519.rs:396:16
[INFO] [stderr]     |
[INFO] [stderr] 396 |     let (init, mut rest) = r.split_at_mut(3);
[INFO] [stderr]     |                ----^^^^
[INFO] [stderr]     |                |
[INFO] [stderr]     |                help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SIGN_BYTES`
[INFO] [stderr]   --> src/sign/ed25519.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub const SIGN_BYTES: usize = 64;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test_sign_vectors_detached`
[INFO] [stderr]    --> src/sign/mod.rs:337:4
[INFO] [stderr]     |
[INFO] [stderr] 337 | fn test_sign_vectors_detached() {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/secretbox/mod.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 100 |     xsalsa20poly1305::secretbox(&mut cipher, &m, &nonce, &key.0);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/boxy/mod.rs:71:9
[INFO] [stderr]    |
[INFO] [stderr] 71 |         curve25519xsalsa20poly1305::box_(&mut cipher, &m, &nonce, &pk.0, &sk.0);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.40s
[INFO] running `"docker" "inspect" "87703ea942c21c22daeed4643d4d6c2c26c70364fee73b91f8cdb09a2455eea4"`
[INFO] running `"docker" "rm" "-f" "87703ea942c21c22daeed4643d4d6c2c26c70364fee73b91f8cdb09a2455eea4"`
[INFO] [stdout] 87703ea942c21c22daeed4643d4d6c2c26c70364fee73b91f8cdb09a2455eea4