[INFO] fetching crate fail 0.4.0...
[INFO] testing fail-0.4.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate fail 0.4.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate fail 0.4.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fail 0.4.0
[INFO] finished tweaking crates.io crate fail 0.4.0
[INFO] tweaked toml for crates.io crate fail 0.4.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1910ef1300c6ee58531045f773f89ac64d037cfc9fb15d967c09115745b64df6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1910ef1300c6ee58531045f773f89ac64d037cfc9fb15d967c09115745b64df6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1910ef1300c6ee58531045f773f89ac64d037cfc9fb15d967c09115745b64df6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1910ef1300c6ee58531045f773f89ac64d037cfc9fb15d967c09115745b64df6", kill_on_drop: false }`
[INFO] [stdout] 1910ef1300c6ee58531045f773f89ac64d037cfc9fb15d967c09115745b64df6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 737c716950679c84d8f3a5ff4a93c5537ac6e406ada51f8bbd04b096f605eed8
[INFO] running `Command { std: "docker" "start" "-a" "737c716950679c84d8f3a5ff4a93c5537ac6e406ada51f8bbd04b096f605eed8", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling fail v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/lib.rs:345:29
[INFO] [stdout]     |
[INFO] [stdout] 345 |                 if c == cnt.compare_and_swap(c, c - 1, Ordering::AcqRel) {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.56s
[INFO] running `Command { std: "docker" "inspect" "737c716950679c84d8f3a5ff4a93c5537ac6e406ada51f8bbd04b096f605eed8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "737c716950679c84d8f3a5ff4a93c5537ac6e406ada51f8bbd04b096f605eed8", kill_on_drop: false }`
[INFO] [stdout] 737c716950679c84d8f3a5ff4a93c5537ac6e406ada51f8bbd04b096f605eed8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5aa07f7a91b662439cb344c79334b344de822b18e97ebaf6be6126e66d4519b7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5aa07f7a91b662439cb344c79334b344de822b18e97ebaf6be6126e66d4519b7", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/lib.rs:345:29
[INFO] [stdout]     |
[INFO] [stdout] 345 |                 if c == cnt.compare_and_swap(c, c - 1, Ordering::AcqRel) {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling fail v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/lib.rs:345:29
[INFO] [stdout]     |
[INFO] [stdout] 345 |                 if c == cnt.compare_and_swap(c, c - 1, Ordering::AcqRel) {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.33s
[INFO] running `Command { std: "docker" "inspect" "5aa07f7a91b662439cb344c79334b344de822b18e97ebaf6be6126e66d4519b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5aa07f7a91b662439cb344c79334b344de822b18e97ebaf6be6126e66d4519b7", kill_on_drop: false }`
[INFO] [stdout] 5aa07f7a91b662439cb344c79334b344de822b18e97ebaf6be6126e66d4519b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ec220cb021125ee2fa8187b20880996d7f993939fbd76c4688a96955f7fe11a4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ec220cb021125ee2fa8187b20880996d7f993939fbd76c4688a96955f7fe11a4", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]    --> src/lib.rs:345:29
[INFO] [stderr]     |
[INFO] [stderr] 345 |                 if c == cnt.compare_and_swap(c, c - 1, Ordering::AcqRel) {
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `fail` (lib) generated 1 warning
[INFO] [stderr] warning: `fail` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fail-010e306f0ef6ec64)
[INFO] [stdout] running 12 tests
[INFO] [stdout] test tests::test_setup_and_teardown ... ignored
[INFO] [stdout] test tests::test_off ... ok
[INFO] [stdout] test tests::test_has_failpoints ... ok
[INFO] [stdout] test tests::test_parse ... ok
[INFO] [stdout] test tests::test_print ... ok
[INFO] [stdout] test tests::test_frequency_and_count ... ok
[INFO] [stdout] test tests::test_return ... ok
[INFO] [stdout] test tests::test_yield ... ok
[INFO] [stdout] test tests::test_panic - should panic ... ok
[INFO] [stdout] test tests::test_delay ... ok
[INFO] [stdout] test tests::test_pause ... ok
[INFO] [stdout] test tests::test_sleep ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 1.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-1f849b34fcb14f87)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fail
[INFO] [stdout] running 12 tests
[INFO] [stdout] test test_callback ... ignored
[INFO] [stdout] test test_condition ... ignored
[INFO] [stdout] test test_delay ... ignored
[INFO] [stdout] test test_freq_and_count ... ignored
[INFO] [stdout] test test_panic ... ignored
[INFO] [stdout] test test_pause ... ignored
[INFO] [stdout] test test_print ... ignored
[INFO] [stdout] test test_return ... ignored
[INFO] [stdout] test test_sleep ... ignored
[INFO] [stdout] test test_list ... ok
[INFO] [stdout] test test_yield ... ok
[INFO] [stdout] test test_off ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 9 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 133) ... ok
[INFO] [stdout] test src/lib.rs - (line 177) ... ok
[INFO] [stdout] test src/lib.rs - (line 84) ... ok
[INFO] [stdout] test src/lib.rs - (line 30) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.81s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ec220cb021125ee2fa8187b20880996d7f993939fbd76c4688a96955f7fe11a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec220cb021125ee2fa8187b20880996d7f993939fbd76c4688a96955f7fe11a4", kill_on_drop: false }`
[INFO] [stdout] ec220cb021125ee2fa8187b20880996d7f993939fbd76c4688a96955f7fe11a4