[INFO] fetching crate uuidtoa 0.1.1...
[INFO] testing uuidtoa-0.1.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate uuidtoa 0.1.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate uuidtoa 0.1.1 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 uuidtoa 0.1.1
[INFO] finished tweaking crates.io crate uuidtoa 0.1.1
[INFO] tweaked toml for crates.io crate uuidtoa 0.1.1 written to /workspace/builds/worker-5/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] [stderr]     Blocking waiting for file lock on package cache
[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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9f06a9bdfcd5ba50078132273a11c07a0447680862694d970b5070e46bb4cd0f
[INFO] running `Command { std: "docker" "start" "-a" "9f06a9bdfcd5ba50078132273a11c07a0447680862694d970b5070e46bb4cd0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f06a9bdfcd5ba50078132273a11c07a0447680862694d970b5070e46bb4cd0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f06a9bdfcd5ba50078132273a11c07a0447680862694d970b5070e46bb4cd0f", kill_on_drop: false }`
[INFO] [stdout] 9f06a9bdfcd5ba50078132273a11c07a0447680862694d970b5070e46bb4cd0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5dc6b37db7a8ca7575e3a5d9890eb264697dc1c330aefe3cf0fce5825007cc7d
[INFO] running `Command { std: "docker" "start" "-a" "5dc6b37db7a8ca7575e3a5d9890eb264697dc1c330aefe3cf0fce5825007cc7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling uuid v0.6.5
[INFO] [stderr]    Compiling uuidtoa v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/lib.rs:98:38
[INFO] [stdout]    |
[INFO] [stdout] 98 |     let mut buf: [u8; 36] = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.91s
[INFO] running `Command { std: "docker" "inspect" "5dc6b37db7a8ca7575e3a5d9890eb264697dc1c330aefe3cf0fce5825007cc7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dc6b37db7a8ca7575e3a5d9890eb264697dc1c330aefe3cf0fce5825007cc7d", kill_on_drop: false }`
[INFO] [stdout] 5dc6b37db7a8ca7575e3a5d9890eb264697dc1c330aefe3cf0fce5825007cc7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] e2a5bff84ac82a0c0e4ee647b8bfefca202ce8858744fff2751c441a902ce546
[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" "e2a5bff84ac82a0c0e4ee647b8bfefca202ce8858744fff2751c441a902ce546", kill_on_drop: false }`
[INFO] [stderr]    Compiling uuidtoa v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/lib.rs:98:38
[INFO] [stdout]    |
[INFO] [stdout] 98 |     let mut buf: [u8; 36] = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/lib.rs:98:38
[INFO] [stdout]    |
[INFO] [stdout] 98 |     let mut buf: [u8; 36] = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `Command { std: "docker" "inspect" "e2a5bff84ac82a0c0e4ee647b8bfefca202ce8858744fff2751c441a902ce546", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2a5bff84ac82a0c0e4ee647b8bfefca202ce8858744fff2751c441a902ce546", kill_on_drop: false }`
[INFO] [stdout] e2a5bff84ac82a0c0e4ee647b8bfefca202ce8858744fff2751c441a902ce546
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] d8261e00ab5001491b7ab9a3f2840630f02ebe4faaee355decb9dcc3e9c506b5
[INFO] running `Command { std: "docker" "start" "-a" "d8261e00ab5001491b7ab9a3f2840630f02ebe4faaee355decb9dcc3e9c506b5", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/lib.rs:98:38
[INFO] [stderr]    |
[INFO] [stderr] 98 |     let mut buf: [u8; 36] = unsafe { mem::uninitialized() };
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/lib.rs:98:38
[INFO] [stderr]    |
[INFO] [stderr] 98 |     let mut buf: [u8; 36] = unsafe { mem::uninitialized() };
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/uuidtoa-cf67abff9324aa83
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]    Doc-tests uuidtoa
[INFO] [stdout] test tests::to_upper_works ... ok
[INFO] [stdout] test tests::to_lower_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d8261e00ab5001491b7ab9a3f2840630f02ebe4faaee355decb9dcc3e9c506b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8261e00ab5001491b7ab9a3f2840630f02ebe4faaee355decb9dcc3e9c506b5", kill_on_drop: false }`
[INFO] [stdout] d8261e00ab5001491b7ab9a3f2840630f02ebe4faaee355decb9dcc3e9c506b5