[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 [INFO] [stdout] --> src/lib.rs:3:72 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn get_avatar_url(email: &str) -> Result { [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 [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 [INFO] [stdout] --> src/lib.rs:3:72 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn get_avatar_url(email: &str) -> Result { [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 [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 [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 [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 [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