[INFO] fetching crate tvis_util 0.5.2...
[INFO] testing tvis_util-0.5.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate tvis_util 0.5.2 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate tvis_util 0.5.2 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 tvis_util 0.5.2
[INFO] finished tweaking crates.io crate tvis_util 0.5.2
[INFO] tweaked toml for crates.io crate tvis_util 0.5.2 written to /workspace/builds/worker-11/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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] a1dce255533411cd2580c7f985ca47fb086fa095b82068168a32628f100ce13f
[INFO] running `Command { std: "docker" "start" "-a" "a1dce255533411cd2580c7f985ca47fb086fa095b82068168a32628f100ce13f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1dce255533411cd2580c7f985ca47fb086fa095b82068168a32628f100ce13f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1dce255533411cd2580c7f985ca47fb086fa095b82068168a32628f100ce13f", kill_on_drop: false }`
[INFO] [stdout] a1dce255533411cd2580c7f985ca47fb086fa095b82068168a32628f100ce13f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 892f613d758ae76a421c3e506d8714ce61b5efa2730efe2e2d026e29402dded9
[INFO] running `Command { std: "docker" "start" "-a" "892f613d758ae76a421c3e506d8714ce61b5efa2730efe2e2d026e29402dded9", kill_on_drop: false }`
[INFO] [stderr]    Compiling tvis_util v0.5.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/size.rs:57:41
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let win: ::libc::winsize = unsafe { ::std::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 0.57s
[INFO] running `Command { std: "docker" "inspect" "892f613d758ae76a421c3e506d8714ce61b5efa2730efe2e2d026e29402dded9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "892f613d758ae76a421c3e506d8714ce61b5efa2730efe2e2d026e29402dded9", kill_on_drop: false }`
[INFO] [stdout] 892f613d758ae76a421c3e506d8714ce61b5efa2730efe2e2d026e29402dded9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] fca6574fc085f72ad7aa9c4bc0c3a788abf4dc876571677caa3e88e074920ec4
[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" "fca6574fc085f72ad7aa9c4bc0c3a788abf4dc876571677caa3e88e074920ec4", kill_on_drop: false }`
[INFO] [stderr]    Compiling tvis_util v0.5.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/size.rs:57:41
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let win: ::libc::winsize = unsafe { ::std::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/size.rs:57:41
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let win: ::libc::winsize = unsafe { ::std::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 1.04s
[INFO] running `Command { std: "docker" "inspect" "fca6574fc085f72ad7aa9c4bc0c3a788abf4dc876571677caa3e88e074920ec4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fca6574fc085f72ad7aa9c4bc0c3a788abf4dc876571677caa3e88e074920ec4", kill_on_drop: false }`
[INFO] [stdout] fca6574fc085f72ad7aa9c4bc0c3a788abf4dc876571677caa3e88e074920ec4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 6e277e0b91a2e32829abb412e047ebbb8a3cc8ee00f79475635acf36424e1e81
[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" "6e277e0b91a2e32829abb412e047ebbb8a3cc8ee00f79475635acf36424e1e81", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/size.rs:57:41
[INFO] [stderr]    |
[INFO] [stderr] 57 |     let win: ::libc::winsize = unsafe { ::std::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/size.rs:57:41
[INFO] [stderr]    |
[INFO] [stderr] 57 |     let win: ::libc::winsize = unsafe { ::std::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 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tvis_util-07b932d444f878bf
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests tvis_util
[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 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" "6e277e0b91a2e32829abb412e047ebbb8a3cc8ee00f79475635acf36424e1e81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e277e0b91a2e32829abb412e047ebbb8a3cc8ee00f79475635acf36424e1e81", kill_on_drop: false }`
[INFO] [stdout] 6e277e0b91a2e32829abb412e047ebbb8a3cc8ee00f79475635acf36424e1e81