[INFO] fetching crate tasklet 0.1.0...
[INFO] testing tasklet-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate tasklet 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate tasklet 0.1.0 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 tasklet 0.1.0
[INFO] finished tweaking crates.io crate tasklet 0.1.0
[INFO] tweaked toml for crates.io crate tasklet 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate tasklet 0.1.0 already has a lockfile, it will not be regenerated
[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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 2cb696c69a497b6418764e00751a295c699086cb971d3306278d9b4d65633029
[INFO] running `Command { std: "docker" "start" "-a" "2cb696c69a497b6418764e00751a295c699086cb971d3306278d9b4d65633029", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2cb696c69a497b6418764e00751a295c699086cb971d3306278d9b4d65633029", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cb696c69a497b6418764e00751a295c699086cb971d3306278d9b4d65633029", kill_on_drop: false }`
[INFO] [stdout] 2cb696c69a497b6418764e00751a295c699086cb971d3306278d9b4d65633029
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1768a44204f2bca3af69f9060615589bfc24d7de12d040a65949ddbed3c04cb
[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" "d1768a44204f2bca3af69f9060615589bfc24d7de12d040a65949ddbed3c04cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling standback v0.2.13
[INFO] [stderr]    Compiling backtrace v0.3.55
[INFO] [stderr]    Compiling nom v4.1.1
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling cron v0.7.0
[INFO] [stderr]    Compiling time-macros v0.1.1
[INFO] [stderr]    Compiling time v0.2.23
[INFO] [stderr]    Compiling tasklet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.81s
[INFO] running `Command { std: "docker" "inspect" "d1768a44204f2bca3af69f9060615589bfc24d7de12d040a65949ddbed3c04cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1768a44204f2bca3af69f9060615589bfc24d7de12d040a65949ddbed3c04cb", kill_on_drop: false }`
[INFO] [stdout] d1768a44204f2bca3af69f9060615589bfc24d7de12d040a65949ddbed3c04cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad86a015c37d27367ea35f7cc72312e87b2282098f9704818cebe835b4c1ec64
[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" "ad86a015c37d27367ea35f7cc72312e87b2282098f9704818cebe835b4c1ec64", kill_on_drop: false }`
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling simple_logger v1.11.0
[INFO] [stderr]    Compiling tasklet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.70s
[INFO] running `Command { std: "docker" "inspect" "ad86a015c37d27367ea35f7cc72312e87b2282098f9704818cebe835b4c1ec64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad86a015c37d27367ea35f7cc72312e87b2282098f9704818cebe835b4c1ec64", kill_on_drop: false }`
[INFO] [stdout] ad86a015c37d27367ea35f7cc72312e87b2282098f9704818cebe835b4c1ec64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 379c6e089e97b38ab64e479f8dae84b300256c1c3d85e62165782737b4938032
[INFO] running `Command { std: "docker" "start" "-a" "379c6e089e97b38ab64e479f8dae84b300256c1c3d85e62165782737b4938032", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tasklet-27c51fdcab79a539
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test task::test::normal_task_error_flow_test ... ok
[INFO] [stdout] test task::test::normal_task_flow_test ... ok
[INFO] [stdout] test generator::test::test_task_generation_with_result ... ok
[INFO] [stdout] test generator::test::test_task_generation_without_result ... ok
[INFO] [stdout] test task::test::normal_task_no_fixed_repeats_test ... ok
[INFO] [stdout] test task::test::test_reschedule_init_panic ... ok
[INFO] [stdout] test task::test::test_reschedule_finished_panic ... ok
[INFO] [stdout] test task::test::test_run_failed_task ... ok
[INFO] [stdout] test task::test::test_run_executed_task ... ok
[INFO] [stdout] test task::test::test_run_uninitialized_task ... ok
[INFO] [stdout] test task::test::test_run_finished_task ... ok
[INFO] [stdout] test scheduler::test::test_scheduler_normal_flow_error_case ... ok
[INFO] [stderr]    Doc-tests tasklet
[INFO] [stdout] test scheduler::test::test_scheduler_normal_flow ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/scheduler.rs - scheduler::TaskScheduler::set_task_gen (line 69) ... ok
[INFO] [stdout] test src/scheduler.rs - scheduler::TaskScheduler::new (line 46) ... ok
[INFO] [stdout] test src/scheduler.rs - scheduler::TaskScheduler::add_task (line 89) ... ok
[INFO] [stdout] test src/task.rs - task::Task::add_step (line 123) ... ok
[INFO] [stdout] test src/task.rs - task::Task::new (line 74) ... ok
[INFO] [stdout] test src/generator.rs - generator::TaskGenerator::new (line 42) ... ok
[INFO] [stdout] test src/task.rs - task::Task::new (line 79) ... ok
[INFO] [stdout] test src/task.rs - task::Task::add_step (line 114) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "379c6e089e97b38ab64e479f8dae84b300256c1c3d85e62165782737b4938032", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "379c6e089e97b38ab64e479f8dae84b300256c1c3d85e62165782737b4938032", kill_on_drop: false }`
[INFO] [stdout] 379c6e089e97b38ab64e479f8dae84b300256c1c3d85e62165782737b4938032