[INFO] fetching crate ertrace 0.2.1...
[INFO] testing ertrace-0.2.1 against 1.90.0 for beta-1.91-3
[INFO] extracting crate ertrace 0.2.1 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate ertrace 0.2.1
[INFO] finished tweaking crates.io crate ertrace 0.2.1
[INFO] tweaked toml for crates.io crate ertrace 0.2.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ertrace 0.2.1 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ertrace 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3585c1e610f9786d3b23f7fcba7c42b3618001df4b5099e093569403813aa223
[INFO] running `Command { std: "docker" "start" "-a" "3585c1e610f9786d3b23f7fcba7c42b3618001df4b5099e093569403813aa223", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3585c1e610f9786d3b23f7fcba7c42b3618001df4b5099e093569403813aa223", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3585c1e610f9786d3b23f7fcba7c42b3618001df4b5099e093569403813aa223", kill_on_drop: false }`
[INFO] [stdout] 3585c1e610f9786d3b23f7fcba7c42b3618001df4b5099e093569403813aa223
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d3b5878e22bf14d31ee55db446d240f6efdc6bf934556c28428c5c8e953f5c5
[INFO] running `Command { std: "docker" "start" "-a" "5d3b5878e22bf14d31ee55db446d240f6efdc6bf934556c28428c5c8e953f5c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling ertrace v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::ertrace_macro::*`
[INFO] [stdout]    --> src/lib.rs:146:9
[INFO] [stdout]     |
[INFO] [stdout] 146 | pub use crate::ertrace_macro::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::new_error_enum_macro::*`
[INFO] [stdout]    --> src/lib.rs:147:9
[INFO] [stdout]     |
[INFO] [stdout] 147 | pub use crate::new_error_enum_macro::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::new_error_struct_macro::*`
[INFO] [stdout]    --> src/lib.rs:148:9
[INFO] [stdout]     |
[INFO] [stdout] 148 | pub use crate::new_error_struct_macro::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::new_error_types_macro::*`
[INFO] [stdout]    --> src/lib.rs:149:9
[INFO] [stdout]     |
[INFO] [stdout] 149 | pub use crate::new_error_types_macro::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/ertrace.rs:23:22
[INFO] [stdout]    |
[INFO] [stdout] 23 |         if FREE_LIST.compare_and_swap(current_ptr, new_ptr, Ordering::Release) == current_ptr {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/ertrace.rs:141:26
[INFO] [stdout]     |
[INFO] [stdout] 141 |             if FREE_LIST.compare_and_swap(old_next, self.head.as_ptr(), Ordering::Release)
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ertrace.rs:94:17
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn iter(&self) -> ErtraceIter {
[INFO] [stdout]    |                 ^^^^^     ----------- the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn iter(&self) -> ErtraceIter<'_> {
[INFO] [stdout]    |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "5d3b5878e22bf14d31ee55db446d240f6efdc6bf934556c28428c5c8e953f5c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d3b5878e22bf14d31ee55db446d240f6efdc6bf934556c28428c5c8e953f5c5", kill_on_drop: false }`
[INFO] [stdout] 5d3b5878e22bf14d31ee55db446d240f6efdc6bf934556c28428c5c8e953f5c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5148c7f198741121e1e0fa8faadd65bdc6eceafa8439eebac9e4fed5cd3ddeb5
[INFO] running `Command { std: "docker" "start" "-a" "5148c7f198741121e1e0fa8faadd65bdc6eceafa8439eebac9e4fed5cd3ddeb5", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `crate::ertrace_macro::*`
[INFO] [stdout]    --> src/lib.rs:146:9
[INFO] [stdout]     |
[INFO] [stdout] 146 | pub use crate::ertrace_macro::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::new_error_enum_macro::*`
[INFO] [stdout]    --> src/lib.rs:147:9
[INFO] [stdout]     |
[INFO] [stdout] 147 | pub use crate::new_error_enum_macro::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::new_error_struct_macro::*`
[INFO] [stdout]    --> src/lib.rs:148:9
[INFO] [stdout]     |
[INFO] [stdout] 148 | pub use crate::new_error_struct_macro::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::new_error_types_macro::*`
[INFO] [stdout]    --> src/lib.rs:149:9
[INFO] [stdout]     |
[INFO] [stdout] 149 | pub use crate::new_error_types_macro::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/ertrace.rs:23:22
[INFO] [stdout]    |
[INFO] [stdout] 23 |         if FREE_LIST.compare_and_swap(current_ptr, new_ptr, Ordering::Release) == current_ptr {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/ertrace.rs:141:26
[INFO] [stdout]     |
[INFO] [stdout] 141 |             if FREE_LIST.compare_and_swap(old_next, self.head.as_ptr(), Ordering::Release)
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ertrace.rs:94:17
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn iter(&self) -> ErtraceIter {
[INFO] [stdout]    |                 ^^^^^     ----------- the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn iter(&self) -> ErtraceIter<'_> {
[INFO] [stdout]    |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ertrace v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::ertrace_macro::*`
[INFO] [stdout]    --> src/lib.rs:146:9
[INFO] [stdout]     |
[INFO] [stdout] 146 | pub use crate::ertrace_macro::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::new_error_enum_macro::*`
[INFO] [stdout]    --> src/lib.rs:147:9
[INFO] [stdout]     |
[INFO] [stdout] 147 | pub use crate::new_error_enum_macro::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::new_error_struct_macro::*`
[INFO] [stdout]    --> src/lib.rs:148:9
[INFO] [stdout]     |
[INFO] [stdout] 148 | pub use crate::new_error_struct_macro::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::new_error_types_macro::*`
[INFO] [stdout]    --> src/lib.rs:149:9
[INFO] [stdout]     |
[INFO] [stdout] 149 | pub use crate::new_error_types_macro::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/ertrace.rs:23:22
[INFO] [stdout]    |
[INFO] [stdout] 23 |         if FREE_LIST.compare_and_swap(current_ptr, new_ptr, Ordering::Release) == current_ptr {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/ertrace.rs:141:26
[INFO] [stdout]     |
[INFO] [stdout] 141 |             if FREE_LIST.compare_and_swap(old_next, self.head.as_ptr(), Ordering::Release)
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ertrace.rs:94:17
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn iter(&self) -> ErtraceIter {
[INFO] [stdout]    |                 ^^^^^     ----------- the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn iter(&self) -> ErtraceIter<'_> {
[INFO] [stdout]    |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "5148c7f198741121e1e0fa8faadd65bdc6eceafa8439eebac9e4fed5cd3ddeb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5148c7f198741121e1e0fa8faadd65bdc6eceafa8439eebac9e4fed5cd3ddeb5", kill_on_drop: false }`
[INFO] [stdout] 5148c7f198741121e1e0fa8faadd65bdc6eceafa8439eebac9e4fed5cd3ddeb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e95439dc062d8abb6f65821c4d6f05722b9e081ce9334e7419e1cda16390b0a5
[INFO] running `Command { std: "docker" "start" "-a" "e95439dc062d8abb6f65821c4d6f05722b9e081ce9334e7419e1cda16390b0a5", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crate::ertrace_macro::*`
[INFO] [stdout] 
[INFO] [stderr]    --> src/lib.rs:146:9
[INFO] [stdout] running 1 test
[INFO] [stderr]     |
[INFO] [stderr] 146 | pub use crate::ertrace_macro::*;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::new_error_enum_macro::*`
[INFO] [stderr]    --> src/lib.rs:147:9
[INFO] [stderr]     |
[INFO] [stderr] 147 | pub use crate::new_error_enum_macro::*;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::new_error_struct_macro::*`
[INFO] [stderr]    --> src/lib.rs:148:9
[INFO] [stderr]     |
[INFO] [stderr] 148 | pub use crate::new_error_struct_macro::*;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::new_error_types_macro::*`
[INFO] [stderr]    --> src/lib.rs:149:9
[INFO] [stderr]     |
[INFO] [stderr] 149 | pub use crate::new_error_types_macro::*;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]   --> src/ertrace.rs:23:22
[INFO] [stderr]    |
[INFO] [stderr] 23 |         if FREE_LIST.compare_and_swap(current_ptr, new_ptr, Ordering::Release) == current_ptr {
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]    --> src/ertrace.rs:141:26
[INFO] [stderr]     |
[INFO] [stderr] 141 |             if FREE_LIST.compare_and_swap(old_next, self.head.as_ptr(), Ordering::Release)
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/ertrace.rs:94:17
[INFO] [stderr]    |
[INFO] [stderr] 94 |     pub fn iter(&self) -> ErtraceIter {
[INFO] [stderr]    |                 ^^^^^     ----------- the same lifetime is hidden here
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 94 |     pub fn iter(&self) -> ErtraceIter<'_> {
[INFO] [stderr]    |                                      ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `ertrace` (lib) generated 7 warnings (run `cargo fix --lib -p ertrace` to apply 4 suggestions)
[INFO] [stderr] warning: `ertrace` (lib test) generated 7 warnings (7 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ertrace-95a9002454ba81db)
[INFO] [stdout] test tests::basics - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ertrace
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 41) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.35s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e95439dc062d8abb6f65821c4d6f05722b9e081ce9334e7419e1cda16390b0a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e95439dc062d8abb6f65821c4d6f05722b9e081ce9334e7419e1cda16390b0a5", kill_on_drop: false }`
[INFO] [stdout] e95439dc062d8abb6f65821c4d6f05722b9e081ce9334e7419e1cda16390b0a5