[INFO] fetching crate backoff 0.4.0...
[INFO] testing backoff-0.4.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate backoff 0.4.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate backoff 0.4.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate backoff 0.4.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate backoff 0.4.0
[INFO] tweaked toml for crates.io crate backoff 0.4.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate backoff 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", 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] 29dd5046053477ffbd0277f3ed7e624d96c00af25df58bafb226c30ae846ac86
[INFO] running `Command { std: "docker" "start" "-a" "29dd5046053477ffbd0277f3ed7e624d96c00af25df58bafb226c30ae846ac86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29dd5046053477ffbd0277f3ed7e624d96c00af25df58bafb226c30ae846ac86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29dd5046053477ffbd0277f3ed7e624d96c00af25df58bafb226c30ae846ac86", kill_on_drop: false }`
[INFO] [stdout] 29dd5046053477ffbd0277f3ed7e624d96c00af25df58bafb226c30ae846ac86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50fb9f073e14b84393aac11e3be539a44f8de8ff523681dbbbb3d7ace48497ea
[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" "50fb9f073e14b84393aac11e3be539a44f8de8ff523681dbbbb3d7ace48497ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.84
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling rand_core v0.6.1
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling backoff v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.36s
[INFO] running `Command { std: "docker" "inspect" "50fb9f073e14b84393aac11e3be539a44f8de8ff523681dbbbb3d7ace48497ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50fb9f073e14b84393aac11e3be539a44f8de8ff523681dbbbb3d7ace48497ea", kill_on_drop: false }`
[INFO] [stdout] 50fb9f073e14b84393aac11e3be539a44f8de8ff523681dbbbb3d7ace48497ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--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] c1e7569870375e212cab04050a1a18d5a6a1f6d2554e02b8452f54a331bd90fa
[INFO] running `Command { std: "docker" "start" "-a" "c1e7569870375e212cab04050a1a18d5a6a1f6d2554e02b8452f54a331bd90fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.6
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling futures-io v0.3.12
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling fastrand v1.4.0
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling vec-arena v1.0.0
[INFO] [stderr]    Compiling async-task v4.0.3
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling encoding_rs v0.8.26
[INFO] [stderr]    Compiling tokio v1.1.1
[INFO] [stderr]    Compiling futures-channel v0.3.12
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling tracing v0.1.22
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling nb-connect v1.0.2
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling openssl-sys v0.9.60
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling async-mutex v1.4.0
[INFO] [stderr]    Compiling async-lock v2.3.0
[INFO] [stderr]    Compiling ctor v0.1.18
[INFO] [stderr]    Compiling tokio-macros v1.0.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.4
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling async-channel v1.5.1
[INFO] [stderr]    Compiling tracing-futures v0.2.4
[INFO] [stderr]    Compiling futures-util v0.3.12
[INFO] [stderr]    Compiling futures-lite v1.11.3
[INFO] [stderr]    Compiling openssl v0.10.32
[INFO] [stderr]    Compiling url v2.2.0
[INFO] [stderr]    Compiling async-executor v1.4.0
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling pin-project v1.0.4
[INFO] [stderr]    Compiling mio v0.7.7
[INFO] [stderr]    Compiling polling v2.0.2
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling async-io v1.3.1
[INFO] [stderr]    Compiling futures-executor v0.3.12
[INFO] [stderr]    Compiling async-global-executor v2.0.2
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling async-std v1.9.0
[INFO] [stderr]    Compiling tokio-util v0.6.3
[INFO] [stderr]    Compiling tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling h2 v0.3.0
[INFO] [stderr]    Compiling hyper v0.14.2
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling reqwest v0.11.0
[INFO] [stderr]    Compiling backoff v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 32s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/backoff-94896d0dfe7fe9a3)
[INFO] [stderr]   Executable tests/exponential.rs (/opt/rustwide/target/debug/deps/exponential-598c45375de6f491)
[INFO] [stderr]   Executable tests/retry.rs (/opt/rustwide/target/debug/deps/retry-f3c30afd4ad69480)
[INFO] running `Command { std: "docker" "inspect" "c1e7569870375e212cab04050a1a18d5a6a1f6d2554e02b8452f54a331bd90fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1e7569870375e212cab04050a1a18d5a6a1f6d2554e02b8452f54a331bd90fa", kill_on_drop: false }`
[INFO] [stdout] c1e7569870375e212cab04050a1a18d5a6a1f6d2554e02b8452f54a331bd90fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 07509c48da2467faa766a40598dad9af0af8580ec6248a87301b3a6e1f6b2861
[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" "07509c48da2467faa766a40598dad9af0af8580ec6248a87301b3a6e1f6b2861", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/backoff-94896d0dfe7fe9a3)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test exponential::get_randomized_interval ... ok
[INFO] [stdout] test exponential::exponential_backoff_default_builder ... ok
[INFO] [stdout] test exponential::exponential_backoff_builder ... ok
[INFO] [stdout] test error::create_transient_error_with_retry_after ... ok
[INFO] [stderr]      Running tests/exponential.rs (/opt/rustwide/target/debug/deps/exponential-598c45375de6f491)
[INFO] [stdout] test error::create_permanent_error ... ok
[INFO] [stdout] test error::create_transient_error ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test backoff ... ok
[INFO] [stdout] test get_elapsed_time ... ok
[INFO] [stdout] test max_elapsed_time ... 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]      Running tests/retry.rs (/opt/rustwide/target/debug/deps/retry-f3c30afd4ad69480)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test permanent_error_immediately_returned ... ok
[INFO] [stderr]    Doc-tests backoff
[INFO] [stdout] test retry ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.57s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - (line 186) ... ignored
[INFO] [stdout] test src/lib.rs - (line 63) - compile ... ok
[INFO] [stdout] test src/retry.rs - retry::retry (line 12) ... ok
[INFO] [stdout] test src/retry.rs - retry::retry_notify (line 43) ... ok
[INFO] [stdout] test src/lib.rs - (line 115) has been running for over 60 seconds
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "07509c48da2467faa766a40598dad9af0af8580ec6248a87301b3a6e1f6b2861", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07509c48da2467faa766a40598dad9af0af8580ec6248a87301b3a6e1f6b2861", kill_on_drop: false }`
[INFO] [stdout] 07509c48da2467faa766a40598dad9af0af8580ec6248a87301b3a6e1f6b2861