[INFO] fetching crate crabguard 0.1.4...
[INFO] checking crabguard-0.1.4 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate crabguard 0.1.4 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate crabguard 0.1.4
[INFO] finished tweaking crates.io crate crabguard 0.1.4
[INFO] tweaked toml for crates.io crate crabguard 0.1.4 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate crabguard 0.1.4 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 crabguard 0.1.4 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 14e80ff6144a35ce8a9ca8d6f6f752b040d8bfc763e7791752dedba1de5c8658
[INFO] running `Command { std: "docker" "start" "-a" "14e80ff6144a35ce8a9ca8d6f6f752b040d8bfc763e7791752dedba1de5c8658", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14e80ff6144a35ce8a9ca8d6f6f752b040d8bfc763e7791752dedba1de5c8658", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14e80ff6144a35ce8a9ca8d6f6f752b040d8bfc763e7791752dedba1de5c8658", kill_on_drop: false }`
[INFO] [stdout] 14e80ff6144a35ce8a9ca8d6f6f752b040d8bfc763e7791752dedba1de5c8658
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 22ffc09fc6f3d4153de3e73b1cd396694ff05d177ff6037f38228dc3a08be0f6
[INFO] running `Command { std: "docker" "start" "-a" "22ffc09fc6f3d4153de3e73b1cd396694ff05d177ff6037f38228dc3a08be0f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking memchr v2.6.3
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling openssl v0.10.57
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]    Compiling semver v1.0.19
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking try-lock v0.2.4
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking socket2 v0.5.4
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]    Compiling async-trait v0.1.73
[INFO] [stderr]     Checking tower-service v0.3.2
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking iana-time-zone v0.1.57
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[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking zeroize v1.6.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking crypto-mac v0.11.1
[INFO] [stderr]     Checking shlex v1.2.0
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking anstyle-parse v0.2.1
[INFO] [stderr]     Checking hmac v0.11.0
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking md-5 v0.9.1
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]    Compiling portable-atomic v1.4.3
[INFO] [stderr]     Checking percent-encoding v2.3.0
[INFO] [stderr]     Checking anstyle v1.0.3
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]     Checking anstream v0.5.0
[INFO] [stderr]    Compiling rusoto_core v0.48.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]    Compiling openssl-sys v0.9.93
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking clap_lex v0.5.1
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking console v0.15.7
[INFO] [stderr]     Checking clap_builder v4.4.4
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking sha2 v0.10.7
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking dotenv v0.15.0
[INFO] [stderr]     Checking indicatif v0.17.7
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling clap_derive v4.4.2
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]     Checking clap v4.4.4
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking tokio-util v0.7.9
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking h2 v0.3.21
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking rusoto_credential v0.48.0
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking rusoto_signature v0.48.0
[INFO] [stderr]     Checking rusoto_s3 v0.48.0
[INFO] [stderr]     Checking crabguard v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Data` is never constructed
[INFO] [stdout]   --> src/filename_handler.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct Data {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `delete` is never used
[INFO] [stdout]   --> src/storage/mod.rs:12:14
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub trait Storage {
[INFO] [stdout]    |           ------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 12 |     async fn delete(&self, plaintext_filename: &str) -> Result<(), String>;
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Data` is never constructed
[INFO] [stdout]   --> src/filename_handler.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct Data {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `delete` is never used
[INFO] [stdout]   --> src/storage/mod.rs:12:14
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub trait Storage {
[INFO] [stdout]    |           ------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 12 |     async fn delete(&self, plaintext_filename: &str) -> Result<(), 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/filename_handler.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |             plaintext_filename.try_into().unwrap(),
[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<Vec<u8>, Infallible>
[INFO] [stdout]   --> src/filename_handler.rs:95:47
[INFO] [stdout]    |
[INFO] [stdout] 95 |                 let starting_value: Vec<u8> = entry.name_blob[..NONCE_LEN].try_into().unwrap();
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<u8>, Infallible>
[INFO] [stdout]   --> src/filename_handler.rs:99:47
[INFO] [stdout]    |
[INFO] [stdout] 99 |                 let encrypted_name: Vec<u8> = entry.name_blob[NONCE_LEN..].try_into().unwrap();
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<u8>, Infallible>
[INFO] [stdout]    --> src/filename_handler.rs:131:47
[INFO] [stdout]     |
[INFO] [stdout] 131 |                 let starting_value: Vec<u8> = entry.name_blob[..NONCE_LEN].try_into().unwrap();
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<u8>, Infallible>
[INFO] [stdout]    --> src/filename_handler.rs:135:47
[INFO] [stdout]     |
[INFO] [stdout] 135 |                 let encrypted_name: Vec<u8> = entry.name_blob[NONCE_LEN..].try_into().unwrap();
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<u8>, Infallible>
[INFO] [stdout]   --> src/filename_handler.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |             plaintext_filename.try_into().unwrap(),
[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<Vec<u8>, Infallible>
[INFO] [stdout]   --> src/filename_handler.rs:95:47
[INFO] [stdout]    |
[INFO] [stdout] 95 |                 let starting_value: Vec<u8> = entry.name_blob[..NONCE_LEN].try_into().unwrap();
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<u8>, Infallible>
[INFO] [stdout]   --> src/filename_handler.rs:99:47
[INFO] [stdout]    |
[INFO] [stdout] 99 |                 let encrypted_name: Vec<u8> = entry.name_blob[NONCE_LEN..].try_into().unwrap();
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<u8>, Infallible>
[INFO] [stdout]    --> src/filename_handler.rs:131:47
[INFO] [stdout]     |
[INFO] [stdout] 131 |                 let starting_value: Vec<u8> = entry.name_blob[..NONCE_LEN].try_into().unwrap();
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<u8>, Infallible>
[INFO] [stdout]    --> src/filename_handler.rs:135:47
[INFO] [stdout]     |
[INFO] [stdout] 135 |                 let encrypted_name: Vec<u8> = entry.name_blob[NONCE_LEN..].try_into().unwrap();
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `crabguard` (bin "crabguard") due to 5 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `crabguard` (bin "crabguard" test) due to 5 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "22ffc09fc6f3d4153de3e73b1cd396694ff05d177ff6037f38228dc3a08be0f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22ffc09fc6f3d4153de3e73b1cd396694ff05d177ff6037f38228dc3a08be0f6", kill_on_drop: false }`
[INFO] [stdout] 22ffc09fc6f3d4153de3e73b1cd396694ff05d177ff6037f38228dc3a08be0f6