[INFO] fetching crate maybe-sync 0.1.1...
[INFO] testing maybe-sync-0.1.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate maybe-sync 0.1.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate maybe-sync 0.1.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate maybe-sync 0.1.1
[INFO] finished tweaking crates.io crate maybe-sync 0.1.1
[INFO] tweaked toml for crates.io crate maybe-sync 0.1.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a3ecbeb8174ba3f849d2e8f065646fe7b3825fdd75e772017abcd385d599487c
[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" "a3ecbeb8174ba3f849d2e8f065646fe7b3825fdd75e772017abcd385d599487c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3ecbeb8174ba3f849d2e8f065646fe7b3825fdd75e772017abcd385d599487c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3ecbeb8174ba3f849d2e8f065646fe7b3825fdd75e772017abcd385d599487c", kill_on_drop: false }`
[INFO] [stdout] a3ecbeb8174ba3f849d2e8f065646fe7b3825fdd75e772017abcd385d599487c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 006c125dd62d00f3f83a1565d6b99f17c387a710cf895276b01aa644605cb2f7
[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" "006c125dd62d00f3f83a1565d6b99f17c387a710cf895276b01aa644605cb2f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling maybe-sync v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "006c125dd62d00f3f83a1565d6b99f17c387a710cf895276b01aa644605cb2f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "006c125dd62d00f3f83a1565d6b99f17c387a710cf895276b01aa644605cb2f7", kill_on_drop: false }`
[INFO] [stdout] 006c125dd62d00f3f83a1565d6b99f17c387a710cf895276b01aa644605cb2f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dea5db5d145f6757386daabe1f128f53448400b262353da0452eefffad9b6c67
[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" "dea5db5d145f6757386daabe1f128f53448400b262353da0452eefffad9b6c67", kill_on_drop: false }`
[INFO] [stderr]    Compiling maybe-sync v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "dea5db5d145f6757386daabe1f128f53448400b262353da0452eefffad9b6c67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dea5db5d145f6757386daabe1f128f53448400b262353da0452eefffad9b6c67", kill_on_drop: false }`
[INFO] [stdout] dea5db5d145f6757386daabe1f128f53448400b262353da0452eefffad9b6c67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a1b05d27db544fa5206666c55662ebee4c06a6faad721175dd9f053cc684649b
[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" "a1b05d27db544fa5206666c55662ebee4c06a6faad721175dd9f053cc684649b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/maybe_sync-4ebfcf9b15a624ff
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests maybe-sync
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - unsync::MaybeSend (line 277) ... ok
[INFO] [stdout] test src/lib.rs - dyn_maybe_sync (line 603) ... ok
[INFO] [stdout] test src/lib.rs - unsync::Mutex (line 378) ... ok
[INFO] [stdout] test src/lib.rs - dyn_maybe_send_sync (line 647) ... ok
[INFO] [stdout] test src/lib.rs - unsync::MaybeSync (line 310) ... ok
[INFO] [stdout] test src/lib.rs - unsync::Rc (line 351) ... ok
[INFO] [stdout] test src/lib.rs - dyn_maybe_send (line 558) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a1b05d27db544fa5206666c55662ebee4c06a6faad721175dd9f053cc684649b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1b05d27db544fa5206666c55662ebee4c06a6faad721175dd9f053cc684649b", kill_on_drop: false }`
[INFO] [stdout] a1b05d27db544fa5206666c55662ebee4c06a6faad721175dd9f053cc684649b