[INFO] fetching crate seqid 0.1.3...
[INFO] checking seqid-0.1.3 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate seqid 0.1.3 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate seqid 0.1.3
[INFO] finished tweaking crates.io crate seqid 0.1.3
[INFO] tweaked toml for crates.io crate seqid 0.1.3 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate seqid 0.1.3 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] 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 4fd3fcad0fce54ad3723087d983682eba5326b922d239f6ce207500edb5b79d8
[INFO] running `Command { std: "docker" "start" "-a" "4fd3fcad0fce54ad3723087d983682eba5326b922d239f6ce207500edb5b79d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4fd3fcad0fce54ad3723087d983682eba5326b922d239f6ce207500edb5b79d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fd3fcad0fce54ad3723087d983682eba5326b922d239f6ce207500edb5b79d8", kill_on_drop: false }`
[INFO] [stdout] 4fd3fcad0fce54ad3723087d983682eba5326b922d239f6ce207500edb5b79d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 900f2344582871dd0cc60a60265171a5c3667b61966f55f3a7a56efea2e674a1
[INFO] running `Command { std: "docker" "start" "-a" "900f2344582871dd0cc60a60265171a5c3667b61966f55f3a7a56efea2e674a1", kill_on_drop: false }`
[INFO] [stderr]     Checking seqid v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `unsigned::*`
[INFO] [stdout]   --> src/impls/mod.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub use unsigned::*;
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `unsigned::*`
[INFO] [stdout]   --> src/impls/mod.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub use unsigned::*;
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/impls/hashmap.rs:95:17
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn keys(&self) -> Keys<<I as UniqueGenerator>::Output, T> {
[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] 95 |     pub fn keys(&self) -> Keys<'_, <I as UniqueGenerator>::Output, T> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/impls/hashmap.rs:100:19
[INFO] [stdout]     |
[INFO] [stdout] 100 |     pub fn values(&self) -> Values<<I as UniqueGenerator>::Output, T> {
[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] 100 |     pub fn values(&self) -> Values<'_, <I as UniqueGenerator>::Output, T> {
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/impls/hashmap.rs:95:17
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn keys(&self) -> Keys<<I as UniqueGenerator>::Output, T> {
[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] 95 |     pub fn keys(&self) -> Keys<'_, <I as UniqueGenerator>::Output, T> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/impls/hashmap.rs:100:19
[INFO] [stdout]     |
[INFO] [stdout] 100 |     pub fn values(&self) -> Values<<I as UniqueGenerator>::Output, T> {
[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] 100 |     pub fn values(&self) -> Values<'_, <I as UniqueGenerator>::Output, T> {
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "900f2344582871dd0cc60a60265171a5c3667b61966f55f3a7a56efea2e674a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "900f2344582871dd0cc60a60265171a5c3667b61966f55f3a7a56efea2e674a1", kill_on_drop: false }`
[INFO] [stdout] 900f2344582871dd0cc60a60265171a5c3667b61966f55f3a7a56efea2e674a1