[INFO] fetching crate one_at_a_time_please 1.0.1...
[INFO] testing one_at_a_time_please-1.0.1 against 1.90.0 for beta-1.91-3
[INFO] extracting crate one_at_a_time_please 1.0.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate one_at_a_time_please 1.0.1
[INFO] finished tweaking crates.io crate one_at_a_time_please 1.0.1
[INFO] tweaked toml for crates.io crate one_at_a_time_please 1.0.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate one_at_a_time_please 1.0.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 23 packages to latest compatible versions
[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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded one_at_a_time_please_derive v1.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] a54bcad600ab9cc34c608a88fd9abfae36941a2b4fee249142d6fa7f047c552a
[INFO] running `Command { std: "docker" "start" "-a" "a54bcad600ab9cc34c608a88fd9abfae36941a2b4fee249142d6fa7f047c552a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a54bcad600ab9cc34c608a88fd9abfae36941a2b4fee249142d6fa7f047c552a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a54bcad600ab9cc34c608a88fd9abfae36941a2b4fee249142d6fa7f047c552a", kill_on_drop: false }`
[INFO] [stdout] a54bcad600ab9cc34c608a88fd9abfae36941a2b4fee249142d6fa7f047c552a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 52c97d280a236a25474b2b7ca8f1264299a5cf4fec688dcfd748ad12552bf3a1
[INFO] running `Command { std: "docker" "start" "-a" "52c97d280a236a25474b2b7ca8f1264299a5cf4fec688dcfd748ad12552bf3a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling one_at_a_time_please_derive v1.0.1
[INFO] [stderr]    Compiling one_at_a_time_please v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/one_at_a_time_struct.rs:41:17
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn lock(&self) -> OneAtATimeGuard {
[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] 41 |     pub fn lock(&self) -> OneAtATimeGuard<'_> {
[INFO] [stdout]    |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "52c97d280a236a25474b2b7ca8f1264299a5cf4fec688dcfd748ad12552bf3a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52c97d280a236a25474b2b7ca8f1264299a5cf4fec688dcfd748ad12552bf3a1", kill_on_drop: false }`
[INFO] [stdout] 52c97d280a236a25474b2b7ca8f1264299a5cf4fec688dcfd748ad12552bf3a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] d5402247cc1d1e88936b14342f566cf6047d2c641d29628b3fd1f0c4e9ae4e5e
[INFO] running `Command { std: "docker" "start" "-a" "d5402247cc1d1e88936b14342f566cf6047d2c641d29628b3fd1f0c4e9ae4e5e", kill_on_drop: false }`
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/one_at_a_time_struct.rs:41:17
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn lock(&self) -> OneAtATimeGuard {
[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] 41 |     pub fn lock(&self) -> OneAtATimeGuard<'_> {
[INFO] [stdout]    |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling one_at_a_time_please v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/one_at_a_time_struct.rs:41:17
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn lock(&self) -> OneAtATimeGuard {
[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] 41 |     pub fn lock(&self) -> OneAtATimeGuard<'_> {
[INFO] [stdout]    |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "d5402247cc1d1e88936b14342f566cf6047d2c641d29628b3fd1f0c4e9ae4e5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5402247cc1d1e88936b14342f566cf6047d2c641d29628b3fd1f0c4e9ae4e5e", kill_on_drop: false }`
[INFO] [stdout] d5402247cc1d1e88936b14342f566cf6047d2c641d29628b3fd1f0c4e9ae4e5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] f415fc1bdfb5293b9478fcdb45bf9765ef9f43d67267cb43753c73b1cdb138e1
[INFO] running `Command { std: "docker" "start" "-a" "f415fc1bdfb5293b9478fcdb45bf9765ef9f43d67267cb43753c73b1cdb138e1", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/one_at_a_time_struct.rs:41:17
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn lock(&self) -> OneAtATimeGuard {
[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] 41 |     pub fn lock(&self) -> OneAtATimeGuard<'_> {
[INFO] [stderr]    |                                          ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `one_at_a_time_please` (lib) generated 1 warning
[INFO] [stderr] warning: `one_at_a_time_please` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/one_at_a_time_please-bb023441dec83f0a)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/basic_functions.rs (/opt/rustwide/target/debug/deps/basic_functions-9399380bcc3be1ed)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test it_allows_recursion ... ok
[INFO] [stdout] test it_allows_basic_function_calls ... ok
[INFO] [stderr]      Running tests/unsafe_counter.rs (/opt/rustwide/target/debug/deps/unsafe_counter-f56beb721e1f31b4)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test it_should_lock_when_using_unsafe_counter_through_struct ... ok
[INFO] [stdout] test it_should_lock_when_using_unsafe_counter_through_proc_attribute ... ok
[INFO] [stdout] test it_should_lock_when_using_unsafe_counter_through_lambda ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests one_at_a_time_please
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f415fc1bdfb5293b9478fcdb45bf9765ef9f43d67267cb43753c73b1cdb138e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f415fc1bdfb5293b9478fcdb45bf9765ef9f43d67267cb43753c73b1cdb138e1", kill_on_drop: false }`
[INFO] [stdout] f415fc1bdfb5293b9478fcdb45bf9765ef9f43d67267cb43753c73b1cdb138e1