[INFO] crate arbalest 0.2.1 is already in cache
[INFO] testing arbalest-0.2.1 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate arbalest 0.2.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate arbalest 0.2.1 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arbalest 0.2.1
[INFO] finished tweaking crates.io crate arbalest 0.2.1
[INFO] tweaked toml for crates.io crate arbalest 0.2.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9dd8f113cb3bfde8c18e107de84338c2e9da6d130df3b9800944f308828282d4
[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" "9dd8f113cb3bfde8c18e107de84338c2e9da6d130df3b9800944f308828282d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9dd8f113cb3bfde8c18e107de84338c2e9da6d130df3b9800944f308828282d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dd8f113cb3bfde8c18e107de84338c2e9da6d130df3b9800944f308828282d4", kill_on_drop: false }`
[INFO] [stdout] 9dd8f113cb3bfde8c18e107de84338c2e9da6d130df3b9800944f308828282d4
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0059f0e4f63ee9917783da8061188e2c7fc1b02d9d999b3786d2c56f688e8ca
[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" "d0059f0e4f63ee9917783da8061188e2c7fc1b02d9d999b3786d2c56f688e8ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling arbalest v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/sync.rs:917:14
[INFO] [stdout]     |
[INFO] [stdout] 917 |         self.description().fmt(f)
[INFO] [stdout]     |              ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]     --> src/sync.rs:1217:14
[INFO] [stdout]      |
[INFO] [stdout] 1217 |         self.description().fmt(f)
[INFO] [stdout]      |              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "d0059f0e4f63ee9917783da8061188e2c7fc1b02d9d999b3786d2c56f688e8ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0059f0e4f63ee9917783da8061188e2c7fc1b02d9d999b3786d2c56f688e8ca", kill_on_drop: false }`
[INFO] [stdout] d0059f0e4f63ee9917783da8061188e2c7fc1b02d9d999b3786d2c56f688e8ca
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] 2de5f5586422841ac7564b1fc6b7f5979f70a8e517b4f646c388562b83c2ff0f
[INFO] running `Command { std: "docker" "start" "-a" "2de5f5586422841ac7564b1fc6b7f5979f70a8e517b4f646c388562b83c2ff0f", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/sync.rs:917:14
[INFO] [stdout]     |
[INFO] [stdout] 917 |         self.description().fmt(f)
[INFO] [stdout]     |              ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling arbalest v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]     --> src/sync.rs:1217:14
[INFO] [stdout]      |
[INFO] [stdout] 1217 |         self.description().fmt(f)
[INFO] [stdout]      |              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `Command { std: "docker" "inspect" "2de5f5586422841ac7564b1fc6b7f5979f70a8e517b4f646c388562b83c2ff0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2de5f5586422841ac7564b1fc6b7f5979f70a8e517b4f646c388562b83c2ff0f", kill_on_drop: false }`
[INFO] [stdout] 2de5f5586422841ac7564b1fc6b7f5979f70a8e517b4f646c388562b83c2ff0f
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", 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] 24d8dfb43411e383c3a4c165b2fa860a9e7abf10fb934413522a90fd36f1c618
[INFO] running `Command { std: "docker" "start" "-a" "24d8dfb43411e383c3a4c165b2fa860a9e7abf10fb934413522a90fd36f1c618", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/sync.rs:917:14
[INFO] [stderr]     |
[INFO] [stderr] 917 |         self.description().fmt(f)
[INFO] [stderr]     |              ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]     --> src/sync.rs:1217:14
[INFO] [stderr]      |
[INFO] [stderr] 1217 |         self.description().fmt(f)
[INFO] [stderr]      |              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sync-d8b677b31f4ba0f6
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test drop_strong ... ok
[INFO] [stdout] test drop_strong_frail ... ok
[INFO] [stdout] test show_strong ... ok
[INFO] [stdout] test test_frail_count ... ok
[INFO] [stdout] test manually_share_strong ... ok
[INFO] [stdout] test test_dead ... ok
[INFO] [stdout] test test_from_owned ... ok
[INFO] [stdout] test test_live ... ok
[INFO] [stdout] test test_strong_count ... ok
[INFO] [stdout] test try_unwrap ... ok
[INFO] [stderr]    Doc-tests arbalest
[INFO] [stdout] test into_from_raw ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 34 tests
[INFO] [stdout] test src/sync.rs - sync::Frail<T>::ptr_eq (line 1086) ... ok
[INFO] [stdout] test src/sync.rs - sync::Frail<T>::drop (line 1170) ... ok
[INFO] [stdout] test src/sync.rs - sync::Frail<T>::clone (line 1125) ... ok
[INFO] [stdout] test src/sync.rs - sync::Frail<T>::upgrade (line 967) ... ok
[INFO] [stdout] test src/sync.rs - sync::Strong<T>::borrow_mut (line 253) ... ok
[INFO] [stdout] test src/sync.rs - sync::RefMut::downgrade (line 858) ... ok
[INFO] [stdout] test src/sync.rs - sync::Strong (line 87) ... ok
[INFO] [stdout] test src/sync.rs - sync::Frail<T>::default (line 1148) ... ok
[INFO] [stdout] test src/sync.rs - sync::Frail<T>::try_upgrade (line 1017) ... ok
[INFO] [stdout] test src/sync.rs - sync::Frail<T>::new (line 936) ... ok
[INFO] [stdout] test src/sync.rs - sync::Frail<T>::ptr_eq (line 1103) ... ok
[INFO] [stdout] test src/sync.rs - sync::Strong (line 66) ... ok
[INFO] [stdout] test src/sync.rs - sync::Strong<T>::borrow_mut (line 265) ... ok
[INFO] [stdout] test src/sync.rs - sync::Strong<T>::clone (line 528) ... ok
[INFO] [stdout] test src/sync.rs - sync::Strong<T>::cmp (line 725) ... ok
[INFO] [stdout] test src/sync.rs - sync::Frail<T>::upgrade (line 986) ... ok
[INFO] [stdout] test src/sync.rs - sync::Strong<T>::default (line 508) ... ok
[INFO] [stdout] test src/sync.rs - sync::Strong<T>::downgrade (line 388) ... ok
[INFO] [stdout] test src/sync.rs - sync::Strong<T>::frail_count (line 413) ... ok
[INFO] [stdout] test src/sync.rs - sync::Strong<T>::drop (line 767) ... ok
[INFO] [stdout] test src/sync.rs - sync::Strong<T>::le (line 672) ... ok
[INFO] [stdout] test src/sync.rs - sync::Strong<T>::ge (line 706) ... ok
[INFO] [stdout] test src/sync.rs - sync::Strong<T>::from_raw (line 359) ... ok
[INFO] [stdout] test src/sync.rs - sync::Strong<T>::eq (line 597) ... ok
[INFO] [stdout] test src/sync.rs - sync::Strong<T>::gt (line 689) ... ok
[INFO] [stdout] test src/sync.rs - sync::Strong<T>::into_raw (line 333) ... ok
[INFO] [stdout] test src/sync.rs - sync::Strong<T>::new (line 179) ... ok
[INFO] [stdout] test src/sync.rs - sync::Strong<T>::partial_cmp (line 637) ... ok
[INFO] [stdout] test src/sync.rs - sync::Strong<T>::strong_count (line 438) ... ok
[INFO] [stdout] test src/sync.rs - sync::Strong<T>::lt (line 655) ... ok
[INFO] [stdout] test src/sync.rs - sync::Strong<T>::ptr_eq (line 458) ... ok
[INFO] [stdout] test src/sync.rs - sync::Strong<T>::ne (line 615) ... ok
[INFO] [stdout] test src/sync.rs - sync::Strong<T>::try_unwrap (line 209) ... ok
[INFO] [stdout] test src/sync.rs - sync::Strong<T>::try_borrow_mut (line 296) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 34 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "24d8dfb43411e383c3a4c165b2fa860a9e7abf10fb934413522a90fd36f1c618", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24d8dfb43411e383c3a4c165b2fa860a9e7abf10fb934413522a90fd36f1c618", kill_on_drop: false }`
[INFO] [stdout] 24d8dfb43411e383c3a4c165b2fa860a9e7abf10fb934413522a90fd36f1c618