[INFO] fetching crate hamst 0.1.0... [INFO] checking hamst-0.1.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170 [INFO] extracting crate hamst 0.1.0 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate hamst 0.1.0 [INFO] finished tweaking crates.io crate hamst 0.1.0 [INFO] tweaked toml for crates.io crate hamst 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate hamst 0.1.0 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] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 25 packages to latest compatible versions [INFO] [stderr] Adding quickcheck v0.9.2 (available: v1.0.3) [INFO] [stderr] Adding quickcheck_macros v0.9.1 (available: v1.1.0) [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] 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] 0997217c75821732963a471b459eb72ce8579272d19b04f74fca0e1bf84c1ed7 [INFO] running `Command { std: "docker" "start" "-a" "0997217c75821732963a471b459eb72ce8579272d19b04f74fca0e1bf84c1ed7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0997217c75821732963a471b459eb72ce8579272d19b04f74fca0e1bf84c1ed7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0997217c75821732963a471b459eb72ce8579272d19b04f74fca0e1bf84c1ed7", kill_on_drop: false }` [INFO] [stdout] 0997217c75821732963a471b459eb72ce8579272d19b04f74fca0e1bf84c1ed7 [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] e1b74dcc24e02d0b29c36349b673fcb6e44aff4c3e78089ef5cd66c0f1c57afd [INFO] running `Command { std: "docker" "start" "-a" "e1b74dcc24e02d0b29c36349b673fcb6e44aff4c3e78089ef5cd66c0f1c57afd", kill_on_drop: false }` [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking hamst v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stdout] warning: unused imports: `InsertError`, `RemoveError`, `ReplaceError`, and `UpdateError` [INFO] [stdout] --> src/immutable.rs:3:26 [INFO] [stdout] | [INFO] [stdout] 3 | pub use super::mutable::{InsertError, RemoveError, ReplaceError, UpdateError}; [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/immutable.rs:122:17 [INFO] [stdout] | [INFO] [stdout] 122 | pub fn iter(&self) -> HamtIter { [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] 122 | pub fn iter(&self) -> HamtIter<'_, K, V> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/node.rs:140:17 [INFO] [stdout] | [INFO] [stdout] 140 | pub fn iter(&self) -> NodeIter { [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] 140 | pub fn iter(&self) -> NodeIter<'_, K, V> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking regex-automata v0.4.9 [INFO] [stderr] Checking regex v1.11.1 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Compiling quickcheck_macros v0.9.1 [INFO] [stderr] Checking quickcheck v0.9.2 [INFO] [stdout] warning: unused imports: `InsertError`, `RemoveError`, `ReplaceError`, and `UpdateError` [INFO] [stdout] --> src/immutable.rs:3:26 [INFO] [stdout] | [INFO] [stdout] 3 | pub use super::mutable::{InsertError, RemoveError, ReplaceError, UpdateError}; [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/immutable.rs:122:17 [INFO] [stdout] | [INFO] [stdout] 122 | pub fn iter(&self) -> HamtIter { [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] 122 | pub fn iter(&self) -> HamtIter<'_, K, V> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/node.rs:140:17 [INFO] [stdout] | [INFO] [stdout] 140 | pub fn iter(&self) -> NodeIter { [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] 140 | pub fn iter(&self) -> NodeIter<'_, K, V> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.71s [INFO] running `Command { std: "docker" "inspect" "e1b74dcc24e02d0b29c36349b673fcb6e44aff4c3e78089ef5cd66c0f1c57afd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e1b74dcc24e02d0b29c36349b673fcb6e44aff4c3e78089ef5cd66c0f1c57afd", kill_on_drop: false }` [INFO] [stdout] e1b74dcc24e02d0b29c36349b673fcb6e44aff4c3e78089ef5cd66c0f1c57afd