[INFO] fetching crate bin_io 0.2.0...
[INFO] testing bin_io-0.2.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate bin_io 0.2.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate bin_io 0.2.0 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 bin_io 0.2.0
[INFO] finished tweaking crates.io crate bin_io 0.2.0
[INFO] tweaked toml for crates.io crate bin_io 0.2.0 written to /workspace/builds/worker-12/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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stdout] 7a56a358c1a0bdfb8bb7c6b5f02cc55849fc7dc0eadba3fb7d8a039b58a92f90
[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" "7a56a358c1a0bdfb8bb7c6b5f02cc55849fc7dc0eadba3fb7d8a039b58a92f90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a56a358c1a0bdfb8bb7c6b5f02cc55849fc7dc0eadba3fb7d8a039b58a92f90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a56a358c1a0bdfb8bb7c6b5f02cc55849fc7dc0eadba3fb7d8a039b58a92f90", kill_on_drop: false }`
[INFO] [stdout] 7a56a358c1a0bdfb8bb7c6b5f02cc55849fc7dc0eadba3fb7d8a039b58a92f90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 1fe0c3565b9ba6d643936022ab3aa6e7ddad5a370754266a050efa31414e89b8
[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" "1fe0c3565b9ba6d643936022ab3aa6e7ddad5a370754266a050efa31414e89b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling bin_io v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.71s
[INFO] running `Command { std: "docker" "inspect" "1fe0c3565b9ba6d643936022ab3aa6e7ddad5a370754266a050efa31414e89b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fe0c3565b9ba6d643936022ab3aa6e7ddad5a370754266a050efa31414e89b8", kill_on_drop: false }`
[INFO] [stdout] 1fe0c3565b9ba6d643936022ab3aa6e7ddad5a370754266a050efa31414e89b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] aa2dc840db300a6fffa1e333e0648c45d2dbaf7587f73136d585d0f0b1ef73aa
[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" "aa2dc840db300a6fffa1e333e0648c45d2dbaf7587f73136d585d0f0b1ef73aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling bin_io v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `Command { std: "docker" "inspect" "aa2dc840db300a6fffa1e333e0648c45d2dbaf7587f73136d585d0f0b1ef73aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa2dc840db300a6fffa1e333e0648c45d2dbaf7587f73136d585d0f0b1ef73aa", kill_on_drop: false }`
[INFO] [stdout] aa2dc840db300a6fffa1e333e0648c45d2dbaf7587f73136d585d0f0b1ef73aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 46e30e49eb74883bfa0b3f43d1cb20fe0e7ce67998d108b5827411c41f435bb6
[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" "46e30e49eb74883bfa0b3f43d1cb20fe0e7ce67998d108b5827411c41f435bb6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bin_io-203c97bbbd83ddf7
[INFO] [stderr]    Doc-tests bin_io
[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] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test src/macros.rs - seq (line 8) ... ok
[INFO] [stdout] test src/macros.rs - boilerplate (line 267) ... ok
[INFO] [stdout] test src/strings.rs - strings::len_utf8 (line 153) ... ok
[INFO] [stdout] test src/macros.rs - seq (line 92) ... ok
[INFO] [stdout] test src/lib.rs - read (line 100) ... ok
[INFO] [stdout] test src/strings.rs - strings::null_utf8 (line 109) ... ok
[INFO] [stdout] test src/utils.rs - utils::bind (line 20) ... ok
[INFO] [stdout] test src/numbers.rs - numbers (line 4) ... ok
[INFO] [stdout] test src/lib.rs - write (line 122) ... ok
[INFO] [stdout] test src/strings.rs - strings::null_utf16 (line 188) ... ok
[INFO] [stdout] test src/strings.rs - strings::len_utf16 (line 229) ... ok
[INFO] [stdout] test src/macros.rs - seq (line 54) ... ok
[INFO] [stdout] test src/macros.rs - seq (line 21) ... ok
[INFO] [stdout] test src/macros.rs - seq (line 133) ... ok
[INFO] [stdout] test src/lib.rs - (line 9) ... ok
[INFO] [stdout] test src/strings.rs - strings::null_ascii (line 22) ... ok
[INFO] [stdout] test src/strings.rs - strings::len_ascii (line 68) ... ok
[INFO] [stdout] test src/utils.rs - utils::boolean (line 347) ... ok
[INFO] [stdout] test src/utils.rs - utils::count (line 131) ... ok
[INFO] [stdout] test src/utils.rs - utils::skip (line 76) ... ok
[INFO] [stdout] test src/utils.rs - utils::optional (line 231) ... ok
[INFO] [stdout] test src/utils.rs - utils::try_cast (line 296) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 7.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "46e30e49eb74883bfa0b3f43d1cb20fe0e7ce67998d108b5827411c41f435bb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46e30e49eb74883bfa0b3f43d1cb20fe0e7ce67998d108b5827411c41f435bb6", kill_on_drop: false }`
[INFO] [stdout] 46e30e49eb74883bfa0b3f43d1cb20fe0e7ce67998d108b5827411c41f435bb6