[INFO] fetching crate file_api 0.6.6...
[INFO] testing file_api-0.6.6 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate file_api 0.6.6 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate file_api 0.6.6 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 file_api 0.6.6
[INFO] finished tweaking crates.io crate file_api 0.6.6
[INFO] tweaked toml for crates.io crate file_api 0.6.6 written to /workspace/builds/worker-4/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hyperx v0.15.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 0bc4e2541367f2c2bbf92d006a2a5bfa774bb509b66bc776e86f345f8832093a
[INFO] running `Command { std: "docker" "start" "-a" "0bc4e2541367f2c2bbf92d006a2a5bfa774bb509b66bc776e86f345f8832093a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0bc4e2541367f2c2bbf92d006a2a5bfa774bb509b66bc776e86f345f8832093a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bc4e2541367f2c2bbf92d006a2a5bfa774bb509b66bc776e86f345f8832093a", kill_on_drop: false }`
[INFO] [stdout] 0bc4e2541367f2c2bbf92d006a2a5bfa774bb509b66bc776e86f345f8832093a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] de6e0c33832612ef7eceaae0b53c0108c900c5f854ded309fa4fb032a6f0faa3
[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" "de6e0c33832612ef7eceaae0b53c0108c900c5f854ded309fa4fb032a6f0faa3", kill_on_drop: false }`
[INFO] [stderr]    Compiling hyperx v0.15.2
[INFO] [stderr]    Compiling try_from v0.3.2
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling want v0.2.0
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling cookie_store v0.7.0
[INFO] [stderr]    Compiling tokio-executor v0.1.10
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling tokio-timer v0.2.13
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling h2 v0.1.26
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]    Compiling hyper-tls v0.3.2
[INFO] [stderr]    Compiling reqwest v0.9.24
[INFO] [stderr]    Compiling file_api v0.6.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.76s
[INFO] running `Command { std: "docker" "inspect" "de6e0c33832612ef7eceaae0b53c0108c900c5f854ded309fa4fb032a6f0faa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de6e0c33832612ef7eceaae0b53c0108c900c5f854ded309fa4fb032a6f0faa3", kill_on_drop: false }`
[INFO] [stdout] de6e0c33832612ef7eceaae0b53c0108c900c5f854ded309fa4fb032a6f0faa3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e0a76e418ef02d4d636f6cfde8b0d8e1adb2edd84b87e6b1daea3f433f234581
[INFO] running `Command { std: "docker" "start" "-a" "e0a76e418ef02d4d636f6cfde8b0d8e1adb2edd84b87e6b1daea3f433f234581", kill_on_drop: false }`
[INFO] [stderr]    Compiling file_api v0.6.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.39s
[INFO] running `Command { std: "docker" "inspect" "e0a76e418ef02d4d636f6cfde8b0d8e1adb2edd84b87e6b1daea3f433f234581", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0a76e418ef02d4d636f6cfde8b0d8e1adb2edd84b87e6b1daea3f433f234581", kill_on_drop: false }`
[INFO] [stdout] e0a76e418ef02d4d636f6cfde8b0d8e1adb2edd84b87e6b1daea3f433f234581
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] ab1aa465b0702f402d8920f177b6cef4165a9da48d11191bd7e0ed2cd236d35f
[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" "ab1aa465b0702f402d8920f177b6cef4165a9da48d11191bd7e0ed2cd236d35f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/file_api-81fee5946d04c131
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/file_reader-4122cdfc6a2ee5f2
[INFO] [stdout] test detect_file_kind ... ok
[INFO] [stdout] test detect_http_kind ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test file_seek ... ok
[INFO] [stdout] test file_read_data ... ok
[INFO] [stdout] test file_exists ... ok
[INFO] [stdout] test file_size ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/http_reader-e02bf8142c147787
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests file_api
[INFO] [stdout] running 8 tests
[INFO] [stdout] test http_exists ... ignored
[INFO] [stdout] test http_not_exists ... ignored
[INFO] [stdout] test http_read_and_return_different_buffer_size ... ignored
[INFO] [stdout] test http_read_and_seek_buffered_data ... ignored
[INFO] [stdout] test http_read_buffered_data ... ignored
[INFO] [stdout] test http_read_data ... ignored
[INFO] [stdout] test http_seek ... ignored
[INFO] [stdout] test http_size ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 8 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ab1aa465b0702f402d8920f177b6cef4165a9da48d11191bd7e0ed2cd236d35f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab1aa465b0702f402d8920f177b6cef4165a9da48d11191bd7e0ed2cd236d35f", kill_on_drop: false }`
[INFO] [stdout] ab1aa465b0702f402d8920f177b6cef4165a9da48d11191bd7e0ed2cd236d35f