[INFO] fetching crate left-right 0.11.0...
[INFO] testing left-right-0.11.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate left-right 0.11.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate left-right 0.11.0 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 left-right 0.11.0
[INFO] finished tweaking crates.io crate left-right 0.11.0
[INFO] tweaked toml for crates.io crate left-right 0.11.0 written to /workspace/builds/worker-6/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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 248f7d13e507df3dc697c61958f29ed15e21f91ec57bdcb37c14966714a6ed4a
[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" "248f7d13e507df3dc697c61958f29ed15e21f91ec57bdcb37c14966714a6ed4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "248f7d13e507df3dc697c61958f29ed15e21f91ec57bdcb37c14966714a6ed4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "248f7d13e507df3dc697c61958f29ed15e21f91ec57bdcb37c14966714a6ed4a", kill_on_drop: false }`
[INFO] [stdout] 248f7d13e507df3dc697c61958f29ed15e21f91ec57bdcb37c14966714a6ed4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 0162b694fdd2a884a56f99415f0e3fd6169b44e78f541a2a703ee15aefb85fd7
[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" "0162b694fdd2a884a56f99415f0e3fd6169b44e78f541a2a703ee15aefb85fd7", kill_on_drop: false }`
[INFO] [stderr]    Compiling left-right v0.11.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "0162b694fdd2a884a56f99415f0e3fd6169b44e78f541a2a703ee15aefb85fd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0162b694fdd2a884a56f99415f0e3fd6169b44e78f541a2a703ee15aefb85fd7", kill_on_drop: false }`
[INFO] [stdout] 0162b694fdd2a884a56f99415f0e3fd6169b44e78f541a2a703ee15aefb85fd7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] f52f04b4615682d6796070380d340fbc9b4d56ff363cd920d811dd9c2bc2f4bb
[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" "f52f04b4615682d6796070380d340fbc9b4d56ff363cd920d811dd9c2bc2f4bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling left-right v0.11.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.79s
[INFO] running `Command { std: "docker" "inspect" "f52f04b4615682d6796070380d340fbc9b4d56ff363cd920d811dd9c2bc2f4bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f52f04b4615682d6796070380d340fbc9b4d56ff363cd920d811dd9c2bc2f4bb", kill_on_drop: false }`
[INFO] [stdout] f52f04b4615682d6796070380d340fbc9b4d56ff363cd920d811dd9c2bc2f4bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] c04c3599dfc9a9cf82ffd705f29dce171deeb3c9cfc2c2db218d6ed42cba75f6
[INFO] running `Command { std: "docker" "start" "-a" "c04c3599dfc9a9cf82ffd705f29dce171deeb3c9cfc2c2db218d6ed42cba75f6", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/left_right-497b81e05f00c592
[INFO] [stdout] test write::tests::flush_no_refresh ... ok
[INFO] [stdout] test write::tests::flush_noblock ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests left-right
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test src/aliasing.rs - aliasing (line 102) ... ignored
[INFO] [stdout] test src/aliasing.rs - aliasing (line 13) ... ignored
[INFO] [stdout] test src/aliasing.rs - aliasing (line 19) ... ignored
[INFO] [stdout] test src/aliasing.rs - aliasing (line 82) ... ignored
[INFO] [stdout] test src/aliasing.rs - aliasing (line 88) ... ignored
[INFO] [stdout] test src/write.rs - write::CheckWriteHandleSend (line 417) ... ok
[INFO] [stdout] test src/write.rs - write::CheckWriteHandleSend (line 399) ... ok
[INFO] [stdout] test src/read.rs - read::CheckReadHandleSendNotSync (line 236) ... ok
[INFO] [stdout] test src/read.rs - read::CheckReadHandleSendNotSync (line 210) ... ok
[INFO] [stdout] test src/write.rs - write::CheckWriteHandleSend (line 381) ... ok
[INFO] [stdout] test src/read/guard.rs - read::guard::ReadGuard::try_map (line 81) ... ok
[INFO] [stdout] test src/aliasing.rs - aliasing (line 46) ... ok
[INFO] [stdout] test src/read.rs - read::CheckReadHandleSendNotSync (line 224) ... ok
[INFO] [stdout] test src/read/guard.rs - read::guard::ReadGuard::map (line 46) ... ok
[INFO] [stdout] test src/write.rs - write::CheckWriteHandleSend (line 362) ... ok
[INFO] [stdout] test src/lib.rs - (line 66) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 5 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c04c3599dfc9a9cf82ffd705f29dce171deeb3c9cfc2c2db218d6ed42cba75f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c04c3599dfc9a9cf82ffd705f29dce171deeb3c9cfc2c2db218d6ed42cba75f6", kill_on_drop: false }`
[INFO] [stdout] c04c3599dfc9a9cf82ffd705f29dce171deeb3c9cfc2c2db218d6ed42cba75f6