[INFO] fetching crate close_fds 0.2.2...
[INFO] testing close_fds-0.2.2 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate close_fds 0.2.2 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate close_fds 0.2.2 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate close_fds 0.2.2
[INFO] finished tweaking crates.io crate close_fds 0.2.2
[INFO] tweaked toml for crates.io crate close_fds 0.2.2 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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" "+beta-2021-01-01" "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] ab7c78aa0929f5549a03843306edb55137df5e5df7a82609e87667cc3a2ef28d
[INFO] running `Command { std: "docker" "start" "-a" "ab7c78aa0929f5549a03843306edb55137df5e5df7a82609e87667cc3a2ef28d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab7c78aa0929f5549a03843306edb55137df5e5df7a82609e87667cc3a2ef28d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab7c78aa0929f5549a03843306edb55137df5e5df7a82609e87667cc3a2ef28d", kill_on_drop: false }`
[INFO] [stdout] ab7c78aa0929f5549a03843306edb55137df5e5df7a82609e87667cc3a2ef28d
[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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d3aa6c832d0b59f8685cc989dce5529949efca70269cd39520395238c1b312a
[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" "4d3aa6c832d0b59f8685cc989dce5529949efca70269cd39520395238c1b312a", kill_on_drop: false }`
[INFO] [stderr]    Compiling close_fds v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "4d3aa6c832d0b59f8685cc989dce5529949efca70269cd39520395238c1b312a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d3aa6c832d0b59f8685cc989dce5529949efca70269cd39520395238c1b312a", kill_on_drop: false }`
[INFO] [stdout] 4d3aa6c832d0b59f8685cc989dce5529949efca70269cd39520395238c1b312a
[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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2bbadf6daa1130ab657bb8662459756a895d7413a1a9a3530da3f856874f8235
[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" "2bbadf6daa1130ab657bb8662459756a895d7413a1a9a3530da3f856874f8235", kill_on_drop: false }`
[INFO] [stderr]    Compiling close_fds v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "2bbadf6daa1130ab657bb8662459756a895d7413a1a9a3530da3f856874f8235", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bbadf6daa1130ab657bb8662459756a895d7413a1a9a3530da3f856874f8235", kill_on_drop: false }`
[INFO] [stdout] 2bbadf6daa1130ab657bb8662459756a895d7413a1a9a3530da3f856874f8235
[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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8f8a1e3e2fa923822b573e362add94241e7b2f1f900f1c1db2b0fae4371d239f
[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" "8f8a1e3e2fa923822b573e362add94241e7b2f1f900f1c1db2b0fae4371d239f", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 8 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/close_fds-ab9d154eb8f7fe9b
[INFO] [stdout] test util::tests::test_inspect_keep_fds ... ok
[INFO] [stdout] test util::tests::test_check_should_keep_sorted ... ok
[INFO] [stdout] test util::tests::test_check_should_keep_not_sorted ... ok
[INFO] [stdout] test fditer::tests::test_size_hint_possible ... ok
[INFO] [stdout] test fditer::tests::test_fused_possible ... ok
[INFO] [stdout] test fditer::tests::test_fused_open ... ok
[INFO] [stdout] test fditer::dirfd::tests::test_parse_int_bytes ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_close_fds-0b26c77b9feb7427
[INFO] [stdout] test fditer::tests::test_size_hint_open ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests close_fds
[INFO] [stdout] test run_tests ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - iter_possible_fds (line 42) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.45s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8f8a1e3e2fa923822b573e362add94241e7b2f1f900f1c1db2b0fae4371d239f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f8a1e3e2fa923822b573e362add94241e7b2f1f900f1c1db2b0fae4371d239f", kill_on_drop: false }`
[INFO] [stdout] 8f8a1e3e2fa923822b573e362add94241e7b2f1f900f1c1db2b0fae4371d239f