[INFO] fetching crate rw_lease 0.1.0...
[INFO] testing rw_lease-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate rw_lease 0.1.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate rw_lease 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 rw_lease 0.1.0
[INFO] finished tweaking crates.io crate rw_lease 0.1.0
[INFO] tweaked toml for crates.io crate rw_lease 0.1.0 written to /workspace/builds/worker-14/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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] c1f852b7d883304c0d7e87a85315ff0311a34982bd0400f2edd85411937f1c43
[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" "c1f852b7d883304c0d7e87a85315ff0311a34982bd0400f2edd85411937f1c43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1f852b7d883304c0d7e87a85315ff0311a34982bd0400f2edd85411937f1c43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1f852b7d883304c0d7e87a85315ff0311a34982bd0400f2edd85411937f1c43", kill_on_drop: false }`
[INFO] [stdout] c1f852b7d883304c0d7e87a85315ff0311a34982bd0400f2edd85411937f1c43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 6785a06967d2176b29d9eb33d0fb077b40676c2bcc2378501b623de42d23ae2b
[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" "6785a06967d2176b29d9eb33d0fb077b40676c2bcc2378501b623de42d23ae2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling primitive_traits v0.2.0
[INFO] [stderr]    Compiling atomic_prim_traits v0.2.0
[INFO] [stderr]    Compiling rw_lease v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `Command { std: "docker" "inspect" "6785a06967d2176b29d9eb33d0fb077b40676c2bcc2378501b623de42d23ae2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6785a06967d2176b29d9eb33d0fb077b40676c2bcc2378501b623de42d23ae2b", kill_on_drop: false }`
[INFO] [stdout] 6785a06967d2176b29d9eb33d0fb077b40676c2bcc2378501b623de42d23ae2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] ae88478e517adab4acbea4d16f278c470ddc4f5dee44f7f1f6a8c68716e35ed7
[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" "ae88478e517adab4acbea4d16f278c470ddc4f5dee44f7f1f6a8c68716e35ed7", kill_on_drop: false }`
[INFO] [stderr]    Compiling rw_lease v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "ae88478e517adab4acbea4d16f278c470ddc4f5dee44f7f1f6a8c68716e35ed7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae88478e517adab4acbea4d16f278c470ddc4f5dee44f7f1f6a8c68716e35ed7", kill_on_drop: false }`
[INFO] [stdout] ae88478e517adab4acbea4d16f278c470ddc4f5dee44f7f1f6a8c68716e35ed7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] c79ca257926a0ab81e8f12b5b86d24f96983f02fec3b8c57358a503a786c0d38
[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" "c79ca257926a0ab81e8f12b5b86d24f96983f02fec3b8c57358a503a786c0d38", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 5 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rw_lease-1d0457ace75d21f5
[INFO] [stdout] test tests::read_all_ones ... ok
[INFO] [stderr]    Doc-tests rw_lease
[INFO] [stdout] test tests::read_with_max_readers ... ok
[INFO] [stdout] test tests::solo_writing ... ok
[INFO] [stdout] test tests::read_with_writer ... ok
[INFO] [stdout] test tests::solo_reading ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "c79ca257926a0ab81e8f12b5b86d24f96983f02fec3b8c57358a503a786c0d38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c79ca257926a0ab81e8f12b5b86d24f96983f02fec3b8c57358a503a786c0d38", kill_on_drop: false }`
[INFO] [stdout] c79ca257926a0ab81e8f12b5b86d24f96983f02fec3b8c57358a503a786c0d38