[INFO] fetching crate log-update 0.1.0...
[INFO] testing log-update-0.1.0 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] extracting crate log-update 0.1.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate log-update 0.1.0 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate log-update 0.1.0
[INFO] finished tweaking crates.io crate log-update 0.1.0
[INFO] tweaked toml for crates.io crate log-update 0.1.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ansi-escapes v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c0a5b21e88c1c86c5cbb8bbd52736d890f4c249755ef0ae9eca93410b9a6b126
[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" "c0a5b21e88c1c86c5cbb8bbd52736d890f4c249755ef0ae9eca93410b9a6b126", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0a5b21e88c1c86c5cbb8bbd52736d890f4c249755ef0ae9eca93410b9a6b126", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0a5b21e88c1c86c5cbb8bbd52736d890f4c249755ef0ae9eca93410b9a6b126", kill_on_drop: false }`
[INFO] [stdout] c0a5b21e88c1c86c5cbb8bbd52736d890f4c249755ef0ae9eca93410b9a6b126
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9eab3c16cade635b254b4b128f3cd1979e935d3d65c7292a700fc45adba0c408
[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" "9eab3c16cade635b254b4b128f3cd1979e935d3d65c7292a700fc45adba0c408", kill_on_drop: false }`
[INFO] [stderr]    Compiling ansi-escapes v0.1.0
[INFO] [stderr]    Compiling log-update v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |         try!(write!(stream, "{}", ansi_escapes::CursorHide));
[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/lib.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |         try!(stream.flush());
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |         try!(write!(self.stream, "{}{}\n", ansi_escapes::EraseLines(self.previous_line_count), text));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |         try!(self.stream.flush());
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         try!(write!(self.stream, "{}", ansi_escapes::EraseLines(self.previous_line_count)));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         try!(self.stream.flush());
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |             try!(write!(self.stream, "{}", ansi_escapes::CursorShow));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:47:13
[INFO] [stdout]    |
[INFO] [stdout] 47 |             try!(self.stream.flush());
[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 0.32s
[INFO] running `Command { std: "docker" "inspect" "9eab3c16cade635b254b4b128f3cd1979e935d3d65c7292a700fc45adba0c408", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9eab3c16cade635b254b4b128f3cd1979e935d3d65c7292a700fc45adba0c408", kill_on_drop: false }`
[INFO] [stdout] 9eab3c16cade635b254b4b128f3cd1979e935d3d65c7292a700fc45adba0c408
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 786975aeff2e6aef45f8ee10c34ca52f3bde5d5f262f7b714a78bad0190621e3
[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" "786975aeff2e6aef45f8ee10c34ca52f3bde5d5f262f7b714a78bad0190621e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |         try!(write!(stream, "{}", ansi_escapes::CursorHide));
[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/lib.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |         try!(stream.flush());
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |         try!(write!(self.stream, "{}{}\n", ansi_escapes::EraseLines(self.previous_line_count), text));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |         try!(self.stream.flush());
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         try!(write!(self.stream, "{}", ansi_escapes::EraseLines(self.previous_line_count)));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         try!(self.stream.flush());
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |             try!(write!(self.stream, "{}", ansi_escapes::CursorShow));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:47:13
[INFO] [stdout]    |
[INFO] [stdout] 47 |             try!(self.stream.flush());
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tempfile v2.2.0
[INFO] [stderr]    Compiling log-update v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |         try!(write!(stream, "{}", ansi_escapes::CursorHide));
[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/lib.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |         try!(stream.flush());
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |         try!(write!(self.stream, "{}{}\n", ansi_escapes::EraseLines(self.previous_line_count), text));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |         try!(self.stream.flush());
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         try!(write!(self.stream, "{}", ansi_escapes::EraseLines(self.previous_line_count)));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         try!(self.stream.flush());
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |             try!(write!(self.stream, "{}", ansi_escapes::CursorShow));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:47:13
[INFO] [stdout]    |
[INFO] [stdout] 47 |             try!(self.stream.flush());
[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 1.31s
[INFO] running `Command { std: "docker" "inspect" "786975aeff2e6aef45f8ee10c34ca52f3bde5d5f262f7b714a78bad0190621e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "786975aeff2e6aef45f8ee10c34ca52f3bde5d5f262f7b714a78bad0190621e3", kill_on_drop: false }`
[INFO] [stdout] 786975aeff2e6aef45f8ee10c34ca52f3bde5d5f262f7b714a78bad0190621e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 422541097ee7b9babb49e4076c6531ed8a3574b69d4feefdda1933b810f2aecd
[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" "422541097ee7b9babb49e4076c6531ed8a3574b69d4feefdda1933b810f2aecd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout] running 2 tests
[INFO] [stderr]   --> src/lib.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |         try!(write!(stream, "{}", ansi_escapes::CursorHide));
[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/lib.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |         try!(stream.flush());
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |         try!(write!(self.stream, "{}{}\n", ansi_escapes::EraseLines(self.previous_line_count), text));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |         try!(self.stream.flush());
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |         try!(write!(self.stream, "{}", ansi_escapes::EraseLines(self.previous_line_count)));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |         try!(self.stream.flush());
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:46:13
[INFO] [stderr]    |
[INFO] [stderr] 46 |             try!(write!(self.stream, "{}", ansi_escapes::CursorShow));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:47:13
[INFO] [stderr]    |
[INFO] [stderr] 47 |             try!(self.stream.flush());
[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/lib.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |         try!(write!(stream, "{}", ansi_escapes::CursorHide));
[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/lib.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |         try!(stream.flush());
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |         try!(write!(self.stream, "{}{}\n", ansi_escapes::EraseLines(self.previous_line_count), text));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |         try!(self.stream.flush());
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |         try!(write!(self.stream, "{}", ansi_escapes::EraseLines(self.previous_line_count)));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |         try!(self.stream.flush());
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:46:13
[INFO] [stderr]    |
[INFO] [stderr] 46 |             try!(write!(self.stream, "{}", ansi_escapes::CursorShow));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:47:13
[INFO] [stderr]    |
[INFO] [stderr] 47 |             try!(self.stream.flush());
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/log_update-28f7b67e77299728)
[INFO] [stdout] test tests::it_restores_cursor_when_dropped ... ok
[INFO] [stdout] test tests::it_handles_most_common_use_case ... 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] [stderr]    Doc-tests log-update
[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" "422541097ee7b9babb49e4076c6531ed8a3574b69d4feefdda1933b810f2aecd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "422541097ee7b9babb49e4076c6531ed8a3574b69d4feefdda1933b810f2aecd", kill_on_drop: false }`
[INFO] [stdout] 422541097ee7b9babb49e4076c6531ed8a3574b69d4feefdda1933b810f2aecd