[INFO] fetching crate yauuid 0.2.1... [INFO] checking yauuid-0.2.1 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170 [INFO] extracting crate yauuid 0.2.1 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate yauuid 0.2.1 [INFO] finished tweaking crates.io crate yauuid 0.2.1 [INFO] tweaked toml for crates.io crate yauuid 0.2.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate yauuid 0.2.1 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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 81 packages to latest compatible versions [INFO] [stderr] Adding criterion v0.2.11 (available: v0.6.0) [INFO] [stderr] Adding md-5 v0.8.0 (available: v0.10.6) [INFO] [stderr] Adding rand v0.6.5 (available: v0.9.1) [INFO] [stderr] Adding sha-1 v0.8.2 (available: v0.10.1) [INFO] [stderr] Adding uuid v0.7.4 (available: v1.17.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9fd339ec00b12328d612bfb2d8639b0e2d27de6d9651a0077864cf6d433c7ff6 [INFO] running `Command { std: "docker" "start" "-a" "9fd339ec00b12328d612bfb2d8639b0e2d27de6d9651a0077864cf6d433c7ff6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9fd339ec00b12328d612bfb2d8639b0e2d27de6d9651a0077864cf6d433c7ff6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9fd339ec00b12328d612bfb2d8639b0e2d27de6d9651a0077864cf6d433c7ff6", kill_on_drop: false }` [INFO] [stdout] 9fd339ec00b12328d612bfb2d8639b0e2d27de6d9651a0077864cf6d433c7ff6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fa2cd80734d5bebdf23d8affaf30ec92e756ac4e1a6cc0a3aed253c8872086d2 [INFO] running `Command { std: "docker" "start" "-a" "fa2cd80734d5bebdf23d8affaf30ec92e756ac4e1a6cc0a3aed253c8872086d2", kill_on_drop: false }` [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Compiling autocfg v0.1.8 [INFO] [stderr] Compiling semver v1.0.26 [INFO] [stderr] Compiling typenum v1.18.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.21 [INFO] [stderr] Compiling proc-macro2 v1.0.95 [INFO] [stderr] Checking byte-tools v0.3.1 [INFO] [stderr] Checking memchr v2.7.5 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Checking either v1.15.0 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Checking opaque-debug v0.2.3 [INFO] [stderr] Checking unicode-width v0.1.14 [INFO] [stderr] Checking fake-simd v0.1.2 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking sha1_smol v1.0.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking block-padding v0.1.5 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking md5 v0.6.1 [INFO] [stderr] Checking lazy_static v1.5.0 [INFO] [stderr] Checking walkdir v2.5.0 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Checking rand_xoshiro v0.1.0 [INFO] [stderr] Checking sha1 v0.6.1 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Compiling rustc_version v0.4.1 [INFO] [stderr] Checking csv-core v0.1.12 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Checking crossbeam-deque v0.8.6 [INFO] [stderr] Checking generic-array v0.12.4 [INFO] [stderr] Checking criterion-plot v0.3.1 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking uuid v0.7.4 [INFO] [stderr] Checking sha-1 v0.8.2 [INFO] [stderr] Checking md-5 v0.8.0 [INFO] [stderr] Compiling syn v2.0.104 [INFO] [stderr] Checking yauuid v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: `#[macro_use]` only has an effect on `extern crate` and modules [INFO] [stdout] --> src/macros.rs:11:1 [INFO] [stdout] | [INFO] [stdout] 11 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:282:32 [INFO] [stdout] | [INFO] [stdout] 282 | fn cause(&self) -> Option<&error::Error> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 282 | fn cause(&self) -> Option<&dyn error::Error> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:184:30 [INFO] [stdout] | [INFO] [stdout] 184 | pub fn to_hyphenated_ref(&self) -> HyphenatedRef { [INFO] [stdout] | ^^^^^ ------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 184 | pub fn to_hyphenated_ref(&self) -> HyphenatedRef<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:196:26 [INFO] [stdout] | [INFO] [stdout] 196 | pub fn to_simple_ref(&self) -> SimpleRef { [INFO] [stdout] | ^^^^^ --------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 196 | pub fn to_simple_ref(&self) -> SimpleRef<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:208:23 [INFO] [stdout] | [INFO] [stdout] 208 | pub fn to_urn_ref(&self) -> UrnRef { [INFO] [stdout] | ^^^^^ ------ the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 208 | pub fn to_urn_ref(&self) -> UrnRef<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking serde_json v1.0.140 [INFO] [stderr] Checking csv v1.3.1 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Checking criterion v0.2.11 [INFO] [stdout] warning: `#[macro_use]` only has an effect on `extern crate` and modules [INFO] [stdout] --> src/macros.rs:11:1 [INFO] [stdout] | [INFO] [stdout] 11 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:282:32 [INFO] [stdout] | [INFO] [stdout] 282 | fn cause(&self) -> Option<&error::Error> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 282 | fn cause(&self) -> Option<&dyn error::Error> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:184:30 [INFO] [stdout] | [INFO] [stdout] 184 | pub fn to_hyphenated_ref(&self) -> HyphenatedRef { [INFO] [stdout] | ^^^^^ ------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 184 | pub fn to_hyphenated_ref(&self) -> HyphenatedRef<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:196:26 [INFO] [stdout] | [INFO] [stdout] 196 | pub fn to_simple_ref(&self) -> SimpleRef { [INFO] [stdout] | ^^^^^ --------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 196 | pub fn to_simple_ref(&self) -> SimpleRef<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:208:23 [INFO] [stdout] | [INFO] [stdout] 208 | pub fn to_urn_ref(&self) -> UrnRef { [INFO] [stdout] | ^^^^^ ------ the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 208 | pub fn to_urn_ref(&self) -> UrnRef<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.67s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.2.11 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "fa2cd80734d5bebdf23d8affaf30ec92e756ac4e1a6cc0a3aed253c8872086d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fa2cd80734d5bebdf23d8affaf30ec92e756ac4e1a6cc0a3aed253c8872086d2", kill_on_drop: false }` [INFO] [stdout] fa2cd80734d5bebdf23d8affaf30ec92e756ac4e1a6cc0a3aed253c8872086d2