[INFO] fetching crate async-fs 1.5.0...
[INFO] testing async-fs-1.5.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate async-fs 1.5.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate async-fs 1.5.0 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 async-fs 1.5.0
[INFO] finished tweaking crates.io crate async-fs 1.5.0
[INFO] tweaked toml for crates.io crate async-fs 1.5.0 written to /workspace/builds/worker-9/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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] fecd7b5eabefb6ba34d86be98b75ee2e4e2d970403e95436a7ac05a3c46d0d60
[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" "fecd7b5eabefb6ba34d86be98b75ee2e4e2d970403e95436a7ac05a3c46d0d60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fecd7b5eabefb6ba34d86be98b75ee2e4e2d970403e95436a7ac05a3c46d0d60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fecd7b5eabefb6ba34d86be98b75ee2e4e2d970403e95436a7ac05a3c46d0d60", kill_on_drop: false }`
[INFO] [stdout] fecd7b5eabefb6ba34d86be98b75ee2e4e2d970403e95436a7ac05a3c46d0d60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] bf6b555db9bc30c1259d622647b68cd2e9c468c980d5bd30f9a16f5241aa42f5
[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" "bf6b555db9bc30c1259d622647b68cd2e9c468c980d5bd30f9a16f5241aa42f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling async-lock v2.3.0
[INFO] [stderr]    Compiling futures-lite v1.11.3
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling async-fs v1.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.78s
[INFO] running `Command { std: "docker" "inspect" "bf6b555db9bc30c1259d622647b68cd2e9c468c980d5bd30f9a16f5241aa42f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf6b555db9bc30c1259d622647b68cd2e9c468c980d5bd30f9a16f5241aa42f5", kill_on_drop: false }`
[INFO] [stdout] bf6b555db9bc30c1259d622647b68cd2e9c468c980d5bd30f9a16f5241aa42f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 53af93ba14f7bf67b4f90cc6d66c68f6b005caa3e4805c119b70230e831f09db
[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" "53af93ba14f7bf67b4f90cc6d66c68f6b005caa3e4805c119b70230e831f09db", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-fs v1.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `Command { std: "docker" "inspect" "53af93ba14f7bf67b4f90cc6d66c68f6b005caa3e4805c119b70230e831f09db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53af93ba14f7bf67b4f90cc6d66c68f6b005caa3e4805c119b70230e831f09db", kill_on_drop: false }`
[INFO] [stdout] 53af93ba14f7bf67b4f90cc6d66c68f6b005caa3e4805c119b70230e831f09db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] e262f47c56eff2810babbf0e60e3d91d628f18fe70c2ed69477529bfd008bb6a
[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" "e262f47c56eff2810babbf0e60e3d91d628f18fe70c2ed69477529bfd008bb6a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/async_fs-4766e0c4daea2d61
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests async-fs
[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] [stdout] 
[INFO] [stdout] running 49 tests
[INFO] [stdout] test src/lib.rs - File::open (line 865) ... ok
[INFO] [stdout] test src/lib.rs - DirEntry::file_name (line 413) ... ok
[INFO] [stdout] test src/lib.rs - File::set_permissions (line 1021) ... ok
[INFO] [stdout] test src/lib.rs - (line 15) ... ok
[INFO] [stdout] test src/lib.rs - File (line 794) ... ok
[INFO] [stdout] test src/lib.rs - File::sync_data (line 949) ... ok
[INFO] [stdout] test src/lib.rs - DirEntry::path (line 329) ... ok
[INFO] [stdout] test src/lib.rs - File::metadata (line 997) ... ok
[INFO] [stdout] test src/lib.rs - File::set_len (line 978) ... ok
[INFO] [stdout] test src/lib.rs - DirBuilder::create (line 742) ... ok
[INFO] [stdout] test src/lib.rs - DirEntry::metadata (line 361) ... ok
[INFO] [stdout] test src/lib.rs - File::create (line 896) ... ok
[INFO] [stdout] test src/lib.rs - OpenOptions (line 1193) ... ok
[INFO] [stdout] test src/lib.rs - File (line 808) ... ok
[INFO] [stdout] test src/lib.rs - File::sync_all (line 918) ... ok
[INFO] [stdout] test src/lib.rs - DirEntry::file_type (line 393) ... ok
[INFO] [stdout] test src/lib.rs - OpenOptions::create (line 1343) ... ok
[INFO] [stdout] test src/lib.rs - OpenOptions (line 1206) ... ok
[INFO] [stdout] test src/lib.rs - OpenOptions::read (line 1248) ... ok
[INFO] [stdout] test src/lib.rs - OpenOptions::new (line 1228) ... ok
[INFO] [stdout] test src/lib.rs - OpenOptions::create_new (line 1369) ... ok
[INFO] [stdout] test src/lib.rs - OpenOptions::truncate (line 1318) ... ok
[INFO] [stdout] test src/lib.rs - OpenOptions::append (line 1294) ... ok
[INFO] [stdout] test src/lib.rs - hard_link (line 171) ... ok
[INFO] [stdout] test src/lib.rs - OpenOptions::write (line 1272) ... ok
[INFO] [stdout] test src/lib.rs - read (line 226) ... ok
[INFO] [stdout] test src/lib.rs - create_dir (line 125) ... ok
[INFO] [stdout] test src/lib.rs - metadata (line 198) ... ok
[INFO] [stdout] test src/lib.rs - remove_dir_all (line 535) ... ok
[INFO] [stdout] test src/lib.rs - read_link (line 459) ... ok
[INFO] [stdout] test src/lib.rs - canonicalize (line 67) ... ok
[INFO] [stdout] test src/lib.rs - OpenOptions::open (line 1409) ... ok
[INFO] [stdout] test src/lib.rs - remove_dir (line 513) ... ok
[INFO] [stdout] test src/lib.rs - unix::OpenOptionsExt::mode (line 1552) ... ok
[INFO] [stdout] test src/lib.rs - create_dir_all (line 147) ... ok
[INFO] [stdout] test src/lib.rs - read_to_string (line 488) ... ok
[INFO] [stdout] test src/lib.rs - copy (line 98) ... ok
[INFO] [stdout] test src/lib.rs - read_dir (line 251) ... ok
[INFO] [stdout] test src/lib.rs - DirBuilder::new (line 690) ... ok
[INFO] [stdout] test src/lib.rs - remove_file (line 557) ... ok
[INFO] [stdout] test src/lib.rs - DirBuilder::recursive (line 717) ... ok
[INFO] [stdout] test src/lib.rs - symlink_metadata (line 633) ... ok
[INFO] [stdout] test src/lib.rs - set_permissions (line 606) ... ok
[INFO] [stdout] test src/lib.rs - unix::DirBuilderExt::mode (line 1509) ... ok
[INFO] [stdout] test src/lib.rs - unix::symlink (line 1490) ... ok
[INFO] [stdout] test src/lib.rs - rename (line 583) ... ok
[INFO] [stdout] test src/lib.rs - unix::DirEntryExt::ino (line 1524) ... ok
[INFO] [stdout] test src/lib.rs - write (line 658) ... ok
[INFO] [stdout] test src/lib.rs - unix::OpenOptionsExt::custom_flags (line 1574) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 49 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e262f47c56eff2810babbf0e60e3d91d628f18fe70c2ed69477529bfd008bb6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e262f47c56eff2810babbf0e60e3d91d628f18fe70c2ed69477529bfd008bb6a", kill_on_drop: false }`
[INFO] [stdout] e262f47c56eff2810babbf0e60e3d91d628f18fe70c2ed69477529bfd008bb6a