[INFO] fetching crate dec64 0.1.0...
[INFO] testing dec64-0.1.0 against 1.47.0 for beta-1.48-1
[INFO] extracting crate dec64 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate dec64 0.1.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dec64 0.1.0
[INFO] finished tweaking crates.io crate dec64 0.1.0
[INFO] tweaked toml for crates.io crate dec64 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5bbded8c3c8faeffe0b0302b109c8b5bbb8dc1a34096427cf7d7cd2d13bb39e
[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" "b5bbded8c3c8faeffe0b0302b109c8b5bbb8dc1a34096427cf7d7cd2d13bb39e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5bbded8c3c8faeffe0b0302b109c8b5bbb8dc1a34096427cf7d7cd2d13bb39e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5bbded8c3c8faeffe0b0302b109c8b5bbb8dc1a34096427cf7d7cd2d13bb39e", kill_on_drop: false }`
[INFO] [stdout] b5bbded8c3c8faeffe0b0302b109c8b5bbb8dc1a34096427cf7d7cd2d13bb39e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 842d2328c41d10ca5029a0100e8503966be5435ea6e0a3cf5263aef2fb910f51
[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" "842d2328c41d10ca5029a0100e8503966be5435ea6e0a3cf5263aef2fb910f51", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling dec64 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |             try!(wr.write_all(b"-"));
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:81:21
[INFO] [stdout]    |
[INFO] [stdout] 81 |                     try!(wr.write_all(
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:84:21
[INFO] [stdout]    |
[INFO] [stdout] 84 |                     try!(wr.write_all(b"e-"));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:90:25
[INFO] [stdout]    |
[INFO] [stdout] 90 |                         try!(wr.write_all(b"1"));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:115:17
[INFO] [stdout]     |
[INFO] [stdout] 115 |                 try!(wr.write_all(
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:118:17
[INFO] [stdout]     |
[INFO] [stdout] 118 |                 try!(wr.write_all(b"e"));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:124:21
[INFO] [stdout]     |
[INFO] [stdout] 124 |                     try!(wr.write_all(b"1"));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/write.rs:32:42
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let mut buf: [u8; 30] = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "842d2328c41d10ca5029a0100e8503966be5435ea6e0a3cf5263aef2fb910f51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "842d2328c41d10ca5029a0100e8503966be5435ea6e0a3cf5263aef2fb910f51", kill_on_drop: false }`
[INFO] [stdout] 842d2328c41d10ca5029a0100e8503966be5435ea6e0a3cf5263aef2fb910f51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8eb204ad351283ed0c494d45f2cd157b6ec7338c8d04ddcd9ac9d7db18a0021c
[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" "8eb204ad351283ed0c494d45f2cd157b6ec7338c8d04ddcd9ac9d7db18a0021c", kill_on_drop: false }`
[INFO] [stderr]    Compiling dec64 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |             try!(wr.write_all(b"-"));
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:81:21
[INFO] [stdout]    |
[INFO] [stdout] 81 |                     try!(wr.write_all(
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:84:21
[INFO] [stdout]    |
[INFO] [stdout] 84 |                     try!(wr.write_all(b"e-"));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:90:25
[INFO] [stdout]    |
[INFO] [stdout] 90 |                         try!(wr.write_all(b"1"));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:115:17
[INFO] [stdout]     |
[INFO] [stdout] 115 |                 try!(wr.write_all(
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:118:17
[INFO] [stdout]     |
[INFO] [stdout] 118 |                 try!(wr.write_all(b"e"));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:124:21
[INFO] [stdout]     |
[INFO] [stdout] 124 |                     try!(wr.write_all(b"1"));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/write.rs:32:42
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let mut buf: [u8; 30] = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |             try!(wr.write_all(b"-"));
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:81:21
[INFO] [stdout]    |
[INFO] [stdout] 81 |                     try!(wr.write_all(
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:84:21
[INFO] [stdout]    |
[INFO] [stdout] 84 |                     try!(wr.write_all(b"e-"));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:90:25
[INFO] [stdout]    |
[INFO] [stdout] 90 |                         try!(wr.write_all(b"1"));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:115:17
[INFO] [stdout]     |
[INFO] [stdout] 115 |                 try!(wr.write_all(
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:118:17
[INFO] [stdout]     |
[INFO] [stdout] 118 |                 try!(wr.write_all(b"e"));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:124:21
[INFO] [stdout]     |
[INFO] [stdout] 124 |                     try!(wr.write_all(b"1"));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/write.rs:32:42
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let mut buf: [u8; 30] = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `Command { std: "docker" "inspect" "8eb204ad351283ed0c494d45f2cd157b6ec7338c8d04ddcd9ac9d7db18a0021c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8eb204ad351283ed0c494d45f2cd157b6ec7338c8d04ddcd9ac9d7db18a0021c", kill_on_drop: false }`
[INFO] [stdout] 8eb204ad351283ed0c494d45f2cd157b6ec7338c8d04ddcd9ac9d7db18a0021c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "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] ab81b9d09fddd8afe8388befe11514f6b3adf5d627e3a72426764465863c5fe7
[INFO] running `Command { std: "docker" "start" "-a" "ab81b9d09fddd8afe8388befe11514f6b3adf5d627e3a72426764465863c5fe7", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:28:13
[INFO] [stderr]    |
[INFO] [stderr] 28 |             try!(wr.write_all(b"-"));
[INFO] [stderr]    |             ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:81:21
[INFO] [stderr]    |
[INFO] [stderr] 81 |                     try!(wr.write_all(
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:84:21
[INFO] [stderr]    |
[INFO] [stderr] 84 |                     try!(wr.write_all(b"e-"));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:90:25
[INFO] [stderr]    |
[INFO] [stderr] 90 |                         try!(wr.write_all(b"1"));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:115:17
[INFO] [stderr]     |
[INFO] [stderr] 115 |                 try!(wr.write_all(
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:118:17
[INFO] [stderr]     |
[INFO] [stderr] 118 |                 try!(wr.write_all(b"e"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:124:21
[INFO] [stderr]     |
[INFO] [stderr] 124 |                     try!(wr.write_all(b"1"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/write.rs:32:42
[INFO] [stderr]    |
[INFO] [stderr] 32 |         let mut buf: [u8; 30] = unsafe { mem::uninitialized() };
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:28:13
[INFO] [stderr]    |
[INFO] [stderr] 28 |             try!(wr.write_all(b"-"));
[INFO] [stderr]    |             ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:81:21
[INFO] [stderr]    |
[INFO] [stderr] 81 |                     try!(wr.write_all(
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:84:21
[INFO] [stderr]    |
[INFO] [stderr] 84 |                     try!(wr.write_all(b"e-"));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:90:25
[INFO] [stderr]    |
[INFO] [stderr] 90 |                         try!(wr.write_all(b"1"));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:115:17
[INFO] [stderr]     |
[INFO] [stderr] 115 |                 try!(wr.write_all(
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:118:17
[INFO] [stderr]     |
[INFO] [stderr] 118 |                 try!(wr.write_all(b"e"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:124:21
[INFO] [stderr]     |
[INFO] [stderr] 124 |                     try!(wr.write_all(b"1"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/write.rs:32:42
[INFO] [stderr]    |
[INFO] [stderr] 32 |         let mut buf: [u8; 30] = unsafe { mem::uninitialized() };
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/dec64-2b0f417c589c2f55
[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] [stderr]      Running /opt/rustwide/target/debug/deps/tests-2815e5d0d2e16a2e
[INFO] [stdout] 
[INFO] [stdout] running 30 tests
[INFO] [stdout] test compose_f32_pi ... ok
[INFO] [stdout] test compose_min ... ok
[INFO] [stdout] test compose_max ... ok
[INFO] [stdout] test compose_nan ... ok
[INFO] [stdout] test roundrtrip_f64 ... ok
[INFO] [stdout] test roundtrip_big_f64 ... ok
[INFO] [stdout] test roundtrip_i32 ... ok
[INFO] [stdout] test compose_zero ... ok
[INFO] [stdout] test roundtrip_i64 ... ok
[INFO] [stdout] test roundtrip_u16 ... ok
[INFO] [stdout] test roundtrip_u64 ... ok
[INFO] [stdout] test write_midperiod ... ok
[INFO] [stdout] test write_pi ... ok
[INFO] [stdout] test compose_f64_pi ... ok
[INFO] [stdout] test write_pi_from_float ... ok
[INFO] [stdout] test roundtrip_i16 ... ok
[INFO] [stdout] test write_small ... ok
[INFO] [stdout] test write_tiny ... ok
[INFO] [stdout] test roundtrip_i8 ... ok
[INFO] [stdout] test roundtrip_isize ... ok
[INFO] [stdout] test roundrtrip_f32 ... ok
[INFO] [stdout] test roundtrip_u32 ... ok
[INFO] [stdout] test roundtrip_u8 ... ok
[INFO] [stdout] test roundtrip_huge_f64 ... ok
[INFO] [stdout] test roundtrip_tiny_neg_f64 ... ok
[INFO] [stdout] test roundtrip_usize ... ok
[INFO] [stdout] test write_42 ... ok
[INFO] [stdout] test roundtrip_huge_neg_f64 ... ok
[INFO] [stdout] test write_huge ... ok
[INFO] [stdout] test roundtrip_tiny_f64 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 30 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dec64
[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" "ab81b9d09fddd8afe8388befe11514f6b3adf5d627e3a72426764465863c5fe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab81b9d09fddd8afe8388befe11514f6b3adf5d627e3a72426764465863c5fe7", kill_on_drop: false }`
[INFO] [stdout] ab81b9d09fddd8afe8388befe11514f6b3adf5d627e3a72426764465863c5fe7
