[INFO] fetching crate blocking 0.4.4...
[INFO] testing blocking-0.4.4 against 1.44.0 for beta-1.45-1
[INFO] extracting crate blocking 0.4.4 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate blocking 0.4.4 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate blocking 0.4.4
[INFO] finished tweaking crates.io crate blocking 0.4.4
[INFO] tweaked toml for crates.io crate blocking 0.4.4 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate blocking 0.4.4 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stdout] 752001de29a5b3a0738c0339d002d091d4a7252c1beae1f02a75e00105ce8f39
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "752001de29a5b3a0738c0339d002d091d4a7252c1beae1f02a75e00105ce8f39"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro2 v1.0.17
[INFO] [stderr]    Compiling syn v1.0.29
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling once_cell v1.3.1
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling parking v1.0.0
[INFO] [stderr]    Compiling waker-fn v1.0.0
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling pin-project-internal v0.4.17
[INFO] [stderr]    Compiling pin-project v0.4.17
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling blocking v0.4.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.98s
[INFO] running `"docker" "inspect" "752001de29a5b3a0738c0339d002d091d4a7252c1beae1f02a75e00105ce8f39"`
[INFO] running `"docker" "rm" "-f" "752001de29a5b3a0738c0339d002d091d4a7252c1beae1f02a75e00105ce8f39"`
[INFO] [stdout] 752001de29a5b3a0738c0339d002d091d4a7252c1beae1f02a75e00105ce8f39
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d5a90b7b27c47b10f43930715d7c82c6cdcb09eb6974c07466d56db2008fa399
[INFO] running `"docker" "start" "-a" "d5a90b7b27c47b10f43930715d7c82c6cdcb09eb6974c07466d56db2008fa399"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling blocking v0.4.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.01s
[INFO] running `"docker" "inspect" "d5a90b7b27c47b10f43930715d7c82c6cdcb09eb6974c07466d56db2008fa399"`
[INFO] running `"docker" "rm" "-f" "d5a90b7b27c47b10f43930715d7c82c6cdcb09eb6974c07466d56db2008fa399"`
[INFO] [stdout] d5a90b7b27c47b10f43930715d7c82c6cdcb09eb6974c07466d56db2008fa399
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fe4afc0eb1c35821122734946f818eb65178130f6343b595ef385fe61696b6a4
[INFO] running `"docker" "start" "-a" "fe4afc0eb1c35821122734946f818eb65178130f6343b595ef385fe61696b6a4"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/blocking-e81edb967b287b40
[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]      Running /opt/rustwide/target/debug/deps/block_on-f52307bf4289dd9b
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test yielding ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/copy-72c954bb53b707c1
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test write ... ok
[INFO] [stdout] test chan ... ok
[INFO] [stdout] test read ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/unblock-ae8c5f7c07040a9a
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test sleep ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests blocking
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test src/lib.rs - Unblock<T>::with_mut (line 639) ... ok
[INFO] [stdout] test src/lib.rs -  (line 31) ... ok
[INFO] [stdout] test src/lib.rs - Unblock<T>::new (line 596) ... ok
[INFO] [stdout] test src/lib.rs -  (line 44) ... ok
[INFO] [stdout] test src/lib.rs -  (line 60) ... ok
[INFO] [stdout] test src/lib.rs - Unblock<T>::get_mut (line 613) ... ok
[INFO] [stdout] test src/lib.rs - Unblock<T>::into_inner (line 682) ... ok
[INFO] [stdout] test src/lib.rs - unblock (line 499) ... ok
[INFO] [stdout] test src/lib.rs - unblock (line 539) ... ok
[INFO] [stdout] test src/lib.rs - unblock (line 550) ... ok
[INFO] [stdout] test src/lib.rs - unblock (line 510) ... ok
[INFO] [stdout] test src/lib.rs - BlockOn<T>::new (line 399) ... ok
[INFO] [stdout] test src/lib.rs - BlockOn<T>::into_inner (line 454) ... ok
[INFO] [stdout] test src/lib.rs - BlockOn<T>::get_ref (line 414) ... ok
[INFO] [stdout] test src/lib.rs - block_on (line 298) ... ok
[INFO] [stdout] test src/lib.rs - BlockOn<T>::get_mut (line 431) ... ok
[INFO] [stdout] test src/lib.rs -  (line 76) ... ok
[INFO] [stdout] test src/lib.rs - block_on (line 364) ... ok
[INFO] [stdout] test src/lib.rs - Unblock (line 578) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "fe4afc0eb1c35821122734946f818eb65178130f6343b595ef385fe61696b6a4"`
[INFO] running `"docker" "rm" "-f" "fe4afc0eb1c35821122734946f818eb65178130f6343b595ef385fe61696b6a4"`
[INFO] [stdout] fe4afc0eb1c35821122734946f818eb65178130f6343b595ef385fe61696b6a4