[INFO] fetching crate libravatar 0.1.0...
[INFO] checking libravatar-0.1.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate libravatar 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate libravatar 0.1.0
[INFO] finished tweaking crates.io crate libravatar 0.1.0
[INFO] tweaked toml for crates.io crate libravatar 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate libravatar 0.1.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 71 packages to latest compatible versions
[INFO] [stderr]       Adding md5 v0.7.0 (available: v0.8.0)
[INFO] [stderr]       Adding ureq v2.12.1 (available: v3.1.4)
[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] c0436f1ee66bec2b25ae57d0853cbebb328561367202e7b546d79c5e9eb7335c
[INFO] running `Command { std: "docker" "start" "-a" "c0436f1ee66bec2b25ae57d0853cbebb328561367202e7b546d79c5e9eb7335c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0436f1ee66bec2b25ae57d0853cbebb328561367202e7b546d79c5e9eb7335c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0436f1ee66bec2b25ae57d0853cbebb328561367202e7b546d79c5e9eb7335c", kill_on_drop: false }`
[INFO] [stdout] c0436f1ee66bec2b25ae57d0853cbebb328561367202e7b546d79c5e9eb7335c
[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] e0a31fda16fbad65a77ceeb1db2e5c90a025d40cce24faea0fe1421adbc04994
[INFO] running `Command { std: "docker" "start" "-a" "e0a31fda16fbad65a77ceeb1db2e5c90a025d40cce24faea0fe1421adbc04994", kill_on_drop: false }`
[INFO] [stderr]    Compiling find-msvc-tools v0.1.4
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]     Checking zeroize v1.8.2
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking untrusted v0.9.0
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling rustls v0.23.35
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking rustls-pki-types v1.13.0
[INFO] [stderr]    Compiling cc v1.2.45
[INFO] [stderr]     Checking flate2 v1.1.5
[INFO] [stderr]     Checking webpki-roots v1.0.4
[INFO] [stderr]     Checking webpki-roots v0.26.11
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling zerovec-derive v0.11.2
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.1
[INFO] [stderr]     Checking zerofrom v0.1.6
[INFO] [stderr]     Checking yoke v0.8.1
[INFO] [stderr]     Checking zerotrie v0.2.3
[INFO] [stderr]     Checking zerovec v0.11.5
[INFO] [stderr]     Checking tinystr v0.8.2
[INFO] [stderr]     Checking potential_utf v0.1.4
[INFO] [stderr]     Checking icu_collections v2.1.1
[INFO] [stderr]     Checking icu_locale_core v2.1.1
[INFO] [stderr]     Checking icu_provider v2.1.1
[INFO] [stderr]     Checking icu_properties v2.1.1
[INFO] [stderr]     Checking icu_normalizer v2.1.1
[INFO] [stderr]     Checking rustls-webpki v0.103.8
[INFO] [stderr]     Checking idna_adapter v1.2.1
[INFO] [stderr]     Checking idna v1.1.0
[INFO] [stderr]     Checking url v2.5.7
[INFO] [stderr]     Checking ureq v2.12.1
[INFO] [stderr]     Checking libravatar v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, AvatarFetchError>
[INFO] [stdout]   --> src/lib.rs:3:72
[INFO] [stdout]    |
[INFO] [stdout]  3 |   pub fn get_avatar_url(email: &str) -> Result<String, AvatarFetchError> {
[INFO] [stdout]    |  ________________________________________________________________________^
[INFO] [stdout]  4 | |     let email_cleaned = email.trim().to_ascii_lowercase();
[INFO] [stdout]  5 | |     let hash = compute(email_cleaned.as_bytes());
[INFO] [stdout]  6 | |     let hash_str = format!("{:x}", hash);
[INFO] [stdout] ...  |
[INFO] [stdout] 10 | |     Ok(format!("{}{}", base_url, hash_str))
[INFO] [stdout] 11 | | }
[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, AvatarFetchError>
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Ok(format!("{}{}", base_url, hash_str))
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libravatar` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<String, AvatarFetchError>
[INFO] [stdout]   --> src/lib.rs:3:72
[INFO] [stdout]    |
[INFO] [stdout]  3 |   pub fn get_avatar_url(email: &str) -> Result<String, AvatarFetchError> {
[INFO] [stdout]    |  ________________________________________________________________________^
[INFO] [stdout]  4 | |     let email_cleaned = email.trim().to_ascii_lowercase();
[INFO] [stdout]  5 | |     let hash = compute(email_cleaned.as_bytes());
[INFO] [stdout]  6 | |     let hash_str = format!("{:x}", hash);
[INFO] [stdout] ...  |
[INFO] [stdout] 10 | |     Ok(format!("{}{}", base_url, hash_str))
[INFO] [stdout] 11 | | }
[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, AvatarFetchError>
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Ok(format!("{}{}", base_url, hash_str))
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, AvatarFetchError>
[INFO] [stdout]   --> src/lib.rs:20:22
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let result = super::get_avatar_url("kot@yukata.tech");
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, AvatarFetchError>
[INFO] [stdout]   --> src/lib.rs:21:18
[INFO] [stdout]    |
[INFO] [stdout] 21 |         assert!(!result.is_err());
[INFO] [stdout]    |                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, AvatarFetchError>
[INFO] [stdout]   --> src/lib.rs:23:19
[INFO] [stdout]    |
[INFO] [stdout] 23 |         let url = result.unwrap();
[INFO] [stdout]    |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libravatar` (lib test) due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "e0a31fda16fbad65a77ceeb1db2e5c90a025d40cce24faea0fe1421adbc04994", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0a31fda16fbad65a77ceeb1db2e5c90a025d40cce24faea0fe1421adbc04994", kill_on_drop: false }`
[INFO] [stdout] e0a31fda16fbad65a77ceeb1db2e5c90a025d40cce24faea0fe1421adbc04994
