[INFO] fetching crate rsevents 0.2.1...
[INFO] testing rsevents-0.2.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate rsevents 0.2.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate rsevents 0.2.1 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 rsevents 0.2.1
[INFO] finished tweaking crates.io crate rsevents 0.2.1
[INFO] tweaked toml for crates.io crate rsevents 0.2.1 written to /workspace/builds/worker-5/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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stdout] 5879df1876b25714a1129b25c908095764048eb635cb296ab6c8126bb4167288
[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" "5879df1876b25714a1129b25c908095764048eb635cb296ab6c8126bb4167288", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5879df1876b25714a1129b25c908095764048eb635cb296ab6c8126bb4167288", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5879df1876b25714a1129b25c908095764048eb635cb296ab6c8126bb4167288", kill_on_drop: false }`
[INFO] [stdout] 5879df1876b25714a1129b25c908095764048eb635cb296ab6c8126bb4167288
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 748f93ad7431181fe6bf3d97238b82c17485fcdfc07aa95cf3c32645d6d0913e
[INFO] running `Command { std: "docker" "start" "-a" "748f93ad7431181fe6bf3d97238b82c17485fcdfc07aa95cf3c32645d6d0913e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling smallvec v1.6.0
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling rsevents v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.00s
[INFO] running `Command { std: "docker" "inspect" "748f93ad7431181fe6bf3d97238b82c17485fcdfc07aa95cf3c32645d6d0913e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "748f93ad7431181fe6bf3d97238b82c17485fcdfc07aa95cf3c32645d6d0913e", kill_on_drop: false }`
[INFO] [stdout] 748f93ad7431181fe6bf3d97238b82c17485fcdfc07aa95cf3c32645d6d0913e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 441649624cd58b7db05e8e38e3eeaffccc5195f0b315a87314e0684a5a5299d9
[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" "441649624cd58b7db05e8e38e3eeaffccc5195f0b315a87314e0684a5a5299d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling rsevents v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `Command { std: "docker" "inspect" "441649624cd58b7db05e8e38e3eeaffccc5195f0b315a87314e0684a5a5299d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "441649624cd58b7db05e8e38e3eeaffccc5195f0b315a87314e0684a5a5299d9", kill_on_drop: false }`
[INFO] [stdout] 441649624cd58b7db05e8e38e3eeaffccc5195f0b315a87314e0684a5a5299d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stdout] d5de1a635c21b24c75b0cdfb46dee5b6036f29fd034792abec1e57d4ee1e32de
[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" "d5de1a635c21b24c75b0cdfb46dee5b6036f29fd034792abec1e57d4ee1e32de", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rsevents-6683f9ca934e2ac8
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::basic_locking ... ok
[INFO] [stdout] test tests::basic_unlocking ... ok
[INFO] [stdout] test tests::sanity_check ... ok
[INFO] [stdout] test tests::basic_double_unlock ... ok
[INFO] [stdout] test tests::suspend_and_resume ... ok
[INFO] [stdout] test tests::single_thread_release ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rsevents
[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] running `Command { std: "docker" "inspect" "d5de1a635c21b24c75b0cdfb46dee5b6036f29fd034792abec1e57d4ee1e32de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5de1a635c21b24c75b0cdfb46dee5b6036f29fd034792abec1e57d4ee1e32de", kill_on_drop: false }`
[INFO] [stdout] d5de1a635c21b24c75b0cdfb46dee5b6036f29fd034792abec1e57d4ee1e32de