[INFO] fetching crate fail 0.4.0...
[INFO] testing fail-0.4.0 against beta-2021-05-23 for beta-1.52-2
[INFO] extracting crate fail 0.4.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate fail 0.4.0 on toolchain beta-2021-05-23
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-05-23" "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-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-05-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-05-23" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-05-23" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 01c65a140b93eb1ccc3f175352c606aca506bbe39c8094ecb533a649fb8210f2
[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" "01c65a140b93eb1ccc3f175352c606aca506bbe39c8094ecb533a649fb8210f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01c65a140b93eb1ccc3f175352c606aca506bbe39c8094ecb533a649fb8210f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01c65a140b93eb1ccc3f175352c606aca506bbe39c8094ecb533a649fb8210f2", kill_on_drop: false }`
[INFO] [stdout] 01c65a140b93eb1ccc3f175352c606aca506bbe39c8094ecb533a649fb8210f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-05-23" "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] d4b75160c98ace36701af2c1e8eac83beb0a4150d5353bc08ba053c731ddaa26
[INFO] running `Command { std: "docker" "start" "-a" "d4b75160c98ace36701af2c1e8eac83beb0a4150d5353bc08ba053c731ddaa26", 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 7.10s
[INFO] running `Command { std: "docker" "inspect" "d4b75160c98ace36701af2c1e8eac83beb0a4150d5353bc08ba053c731ddaa26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4b75160c98ace36701af2c1e8eac83beb0a4150d5353bc08ba053c731ddaa26", kill_on_drop: false }`
[INFO] [stdout] d4b75160c98ace36701af2c1e8eac83beb0a4150d5353bc08ba053c731ddaa26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-05-23" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32c14c0cca4d4e5ea8648e3275b3cf8ce9fb17676c2cb22b55d9a213a1b8ddcb
[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" "32c14c0cca4d4e5ea8648e3275b3cf8ce9fb17676c2cb22b55d9a213a1b8ddcb", kill_on_drop: false }`
[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] [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 3.47s
[INFO] running `Command { std: "docker" "inspect" "32c14c0cca4d4e5ea8648e3275b3cf8ce9fb17676c2cb22b55d9a213a1b8ddcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32c14c0cca4d4e5ea8648e3275b3cf8ce9fb17676c2cb22b55d9a213a1b8ddcb", kill_on_drop: false }`
[INFO] [stdout] 32c14c0cca4d4e5ea8648e3275b3cf8ce9fb17676c2cb22b55d9a213a1b8ddcb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-05-23" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6daf7490f955e5e6d1352c40daff3a2d08eab968e13ea2ad26feb280709abbeb
[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" "6daf7490f955e5e6d1352c40daff3a2d08eab968e13ea2ad26feb280709abbeb", 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: 1 warning emitted
[INFO] [stderr] 
[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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fail-ead1c7a74916a41c)
[INFO] [stdout] running 12 tests
[INFO] [stdout] test tests::test_setup_and_teardown ... ignored
[INFO] [stdout] test tests::test_parse ... ok
[INFO] [stdout] test tests::test_has_failpoints ... ok
[INFO] [stdout] test tests::test_frequency_and_count ... ok
[INFO] [stdout] test tests::test_print ... ok
[INFO] [stdout] test tests::test_return ... ok
[INFO] [stdout] test tests::test_yield ... ok
[INFO] [stdout] test tests::test_off ... ok
[INFO] [stdout] test tests::test_panic ... ok
[INFO] [stdout] test tests::test_delay ... ok
[INFO] [stdout] test tests::test_pause ... ok
[INFO] [stderr]      Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-780025881d394c7c)
[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] [stdout] 
[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] [stderr]    Doc-tests fail
[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 177) ... ok
[INFO] [stdout] test src/lib.rs - (line 84) ... ok
[INFO] [stdout] test src/lib.rs - (line 133) ... 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 1.60s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6daf7490f955e5e6d1352c40daff3a2d08eab968e13ea2ad26feb280709abbeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6daf7490f955e5e6d1352c40daff3a2d08eab968e13ea2ad26feb280709abbeb", kill_on_drop: false }`
[INFO] [stdout] 6daf7490f955e5e6d1352c40daff3a2d08eab968e13ea2ad26feb280709abbeb