[INFO] fetching crate stackful 0.1.0...
[INFO] testing stackful-0.1.0 against 1.44.0 for beta-1.45-1
[INFO] extracting crate stackful 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate stackful 0.1.0 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 stackful 0.1.0
[INFO] finished tweaking crates.io crate stackful 0.1.0
[INFO] tweaked toml for crates.io crate stackful 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate stackful 0.1.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "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] 767df02ab9076efae6968869a053ad388c76559c614fc0eaa4d8f8fcd35c44aa
[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" "767df02ab9076efae6968869a053ad388c76559c614fc0eaa4d8f8fcd35c44aa"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling once_cell v1.4.0
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling stackful v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.17
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling pin-project v0.4.17
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.48s
[INFO] running `"docker" "inspect" "767df02ab9076efae6968869a053ad388c76559c614fc0eaa4d8f8fcd35c44aa"`
[INFO] running `"docker" "rm" "-f" "767df02ab9076efae6968869a053ad388c76559c614fc0eaa4d8f8fcd35c44aa"`
[INFO] [stdout] 767df02ab9076efae6968869a053ad388c76559c614fc0eaa4d8f8fcd35c44aa
[INFO] running `"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" "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] 741445f844361fc87409fd54fc7006cfbc97134d47daeb20d31703faaf1c7c10
[INFO] running `"docker" "start" "-a" "741445f844361fc87409fd54fc7006cfbc97134d47daeb20d31703faaf1c7c10"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling scoped-tls-hkt v0.1.2
[INFO] [stderr]    Compiling async-task v3.0.0
[INFO] [stderr]    Compiling pin-project-lite v0.1.6
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling crossbeam-channel v0.4.2
[INFO] [stderr]    Compiling piper v0.1.3
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling kv-log-macro v1.0.6
[INFO] [stderr]    Compiling crossbeam v0.7.3
[INFO] [stderr]    Compiling smol v0.1.10
[INFO] [stderr]    Compiling async-std v1.6.0
[INFO] [stderr]    Compiling stackful v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 23.76s
[INFO] running `"docker" "inspect" "741445f844361fc87409fd54fc7006cfbc97134d47daeb20d31703faaf1c7c10"`
[INFO] running `"docker" "rm" "-f" "741445f844361fc87409fd54fc7006cfbc97134d47daeb20d31703faaf1c7c10"`
[INFO] [stdout] 741445f844361fc87409fd54fc7006cfbc97134d47daeb20d31703faaf1c7c10
[INFO] running `"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" "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] [stdout] 4a40d70fb133324014fa442c7a7bb77bb6601ee500331bdf420353b3a37f133b
[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" "4a40d70fb133324014fa442c7a7bb77bb6601ee500331bdf420353b3a37f133b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/stackful-c11748b60e70a416
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test drop_before_polling ... ok
[INFO] [stdout] test drop_after_polling ... ok
[INFO] [stdout] test panick ... ok
[INFO] [stdout] test test ... ok
[INFO] [stderr]    Doc-tests stackful
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs -  (line 30) ... ok
[INFO] [stdout] test src/lib.rs -  (line 40) ... ok
[INFO] [stdout] test src/lib.rs -  (line 21) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "4a40d70fb133324014fa442c7a7bb77bb6601ee500331bdf420353b3a37f133b"`
[INFO] running `"docker" "rm" "-f" "4a40d70fb133324014fa442c7a7bb77bb6601ee500331bdf420353b3a37f133b"`
[INFO] [stdout] 4a40d70fb133324014fa442c7a7bb77bb6601ee500331bdf420353b3a37f133b