[INFO] fetching crate vouch-lib 0.3.1... [INFO] checking vouch-lib-0.3.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate vouch-lib 0.3.1 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate vouch-lib 0.3.1 [INFO] finished tweaking crates.io crate vouch-lib 0.3.1 [INFO] tweaked toml for crates.io crate vouch-lib 0.3.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate vouch-lib 0.3.1 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] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 79 packages to latest compatible versions [INFO] [stderr] Adding env_logger v0.8.4 (available: v0.11.8) [INFO] [stderr] Adding serde_yaml v0.8.26 (available: v0.9.34+deprecated) [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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] dffa031e112d6b3d3982f3a2638862a2256c6dcbe4a1aa9428a711f1dad63695 [INFO] running `Command { std: "docker" "start" "-a" "dffa031e112d6b3d3982f3a2638862a2256c6dcbe4a1aa9428a711f1dad63695", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dffa031e112d6b3d3982f3a2638862a2256c6dcbe4a1aa9428a711f1dad63695", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dffa031e112d6b3d3982f3a2638862a2256c6dcbe4a1aa9428a711f1dad63695", kill_on_drop: false }` [INFO] [stdout] dffa031e112d6b3d3982f3a2638862a2256c6dcbe4a1aa9428a711f1dad63695 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 7020f3600eeb257e7996be5eb4d1f1f05e14e48986446ad7171eaa3daa489b98 [INFO] running `Command { std: "docker" "start" "-a" "7020f3600eeb257e7996be5eb4d1f1f05e14e48986446ad7171eaa3daa489b98", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.103 [INFO] [stderr] Compiling unicode-ident v1.0.22 [INFO] [stderr] Compiling quote v1.0.42 [INFO] [stderr] Checking stable_deref_trait v1.2.1 [INFO] [stderr] Compiling version_check v0.9.5 [INFO] [stderr] Checking writeable v0.6.2 [INFO] [stderr] Checking litemap v0.8.1 [INFO] [stderr] Compiling libc v0.2.177 [INFO] [stderr] Compiling icu_properties_data v2.1.1 [INFO] [stderr] Compiling serde_core v1.0.228 [INFO] [stderr] Compiling icu_normalizer_data v2.1.1 [INFO] [stderr] Checking memchr v2.7.6 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking smallvec v1.15.1 [INFO] [stderr] Compiling autocfg v1.5.0 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Checking regex-syntax v0.8.8 [INFO] [stderr] Compiling unicode-segmentation v1.12.0 [INFO] [stderr] Checking unicode-width v0.1.14 [INFO] [stderr] Checking linked-hash-map v0.5.6 [INFO] [stderr] Checking ryu v1.0.20 [INFO] [stderr] Compiling anyhow v1.0.100 [INFO] [stderr] Checking hashbrown v0.12.3 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking aho-corasick v1.1.4 [INFO] [stderr] Checking utf8_iter v1.0.4 [INFO] [stderr] Compiling serde_json v1.0.145 [INFO] [stderr] Checking percent-encoding v2.3.2 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking form_urlencoded v1.2.2 [INFO] [stderr] Checking yaml-rust v0.4.5 [INFO] [stderr] Checking termcolor v1.4.1 [INFO] [stderr] Checking humantime v2.3.0 [INFO] [stderr] Checking lazy_static v1.5.0 [INFO] [stderr] Checking itoa v1.0.15 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Checking log v0.4.28 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling syn v2.0.110 [INFO] [stderr] Checking regex-automata v0.4.13 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Compiling synstructure v0.13.2 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Compiling zerofrom-derive v0.1.6 [INFO] [stderr] Compiling yoke-derive v0.8.1 [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] Checking regex v1.12.2 [INFO] [stderr] Checking env_logger v0.8.4 [INFO] [stderr] Checking zerofrom v0.1.6 [INFO] [stderr] Checking yoke v0.8.1 [INFO] [stderr] Checking structopt v0.3.26 [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_normalizer v2.1.1 [INFO] [stderr] Checking icu_properties v2.1.1 [INFO] [stderr] Checking serde_yaml v0.8.26 [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 vouch-lib v0.3.1 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/extension/commands/identify_local_dependencies.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | / /// Working directory. [INFO] [stdout] 13 | | #[structopt(name = "working-directory")] [INFO] [stdout] 14 | | pub working_directory: String, [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/extension/commands/registries_package_metadata.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | / /// Package name. [INFO] [stdout] 13 | | #[structopt(name = "package-name")] [INFO] [stdout] 14 | | pub package_name: String, [INFO] [stdout] | |____________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/extension/commands/registries_package_metadata.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | / /// Package version. [INFO] [stdout] 17 | | #[structopt(name = "package-version")] [INFO] [stdout] 18 | | pub package_version: Option, [INFO] [stdout] | |_______________________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type [INFO] [stdout] --> src/extension/process.rs:86:38 [INFO] [stdout] | [INFO] [stdout] 86 | args.push(package_version.clone()); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(suspicious_double_ref_op)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/extension/commands/identify_local_dependencies.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | / /// Working directory. [INFO] [stdout] 13 | | #[structopt(name = "working-directory")] [INFO] [stdout] 14 | | pub working_directory: String, [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/extension/commands/registries_package_metadata.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | / /// Package name. [INFO] [stdout] 13 | | #[structopt(name = "package-name")] [INFO] [stdout] 14 | | pub package_name: String, [INFO] [stdout] | |____________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/extension/commands/registries_package_metadata.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | / /// Package version. [INFO] [stdout] 17 | | #[structopt(name = "package-version")] [INFO] [stdout] 18 | | pub package_version: Option, [INFO] [stdout] | |_______________________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type [INFO] [stdout] --> src/extension/process.rs:86:38 [INFO] [stdout] | [INFO] [stdout] 86 | args.push(package_version.clone()); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(suspicious_double_ref_op)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `vouch-lib` (lib) due to 3 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `vouch-lib` (lib test) due to 3 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "7020f3600eeb257e7996be5eb4d1f1f05e14e48986446ad7171eaa3daa489b98", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7020f3600eeb257e7996be5eb4d1f1f05e14e48986446ad7171eaa3daa489b98", kill_on_drop: false }` [INFO] [stdout] 7020f3600eeb257e7996be5eb4d1f1f05e14e48986446ad7171eaa3daa489b98