[INFO] fetching crate flame 0.2.1-pre2...
[INFO] building flame-0.2.1-pre2 against master#ff34b919075f35a1787659e9c448a34b06bab8de for issue-85264
[INFO] extracting crate flame 0.2.1-pre2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate flame 0.2.1-pre2 on toolchain ff34b919075f35a1787659e9c448a34b06bab8de
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flame 0.2.1-pre2
[INFO] finished tweaking crates.io crate flame 0.2.1-pre2
[INFO] tweaked toml for crates.io crate flame 0.2.1-pre2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9027828952f9ac84c35dbae48f5aca401d94164c96e6226a6871189339df54c4
[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" "9027828952f9ac84c35dbae48f5aca401d94164c96e6226a6871189339df54c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9027828952f9ac84c35dbae48f5aca401d94164c96e6226a6871189339df54c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9027828952f9ac84c35dbae48f5aca401d94164c96e6226a6871189339df54c4", kill_on_drop: false }`
[INFO] [stdout] 9027828952f9ac84c35dbae48f5aca401d94164c96e6226a6871189339df54c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+ff34b919075f35a1787659e9c448a34b06bab8de" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c155ac1759bbc8edbd8fb1ba022e8010b33904ebc9dca890894abf998149a720
[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" "c155ac1759bbc8edbd8fb1ba022e8010b33904ebc9dca890894abf998149a720", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling flame v0.2.1-pre2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/html.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     try!(write!(out, r#"
[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/html.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |         try!(dump_spans(&mut out, &span));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/html.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |         try!(writeln!(out, ","));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/html.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 |     try!(write!(out, r#"]}}).call(flamegraph);
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]  --> src/html.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |         try!(writeln!(out, "{{"));
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]  --> src/html.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |         try!(writeln!(out, r#"name: "{}","#, span.name));
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]  --> src/html.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |         try!(writeln!(out, "value: {},", span.delta));
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/html.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |         try!(writeln!(out, "start: {},", span.start_ns));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/html.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |         try!(writeln!(out, "end: {},", span.end_ns));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/html.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |         try!(writeln!(out, "children: ["));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/html.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |             try!(dump_spans(out, child));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/html.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |             try!(writeln!(out, ","));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/html.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |         try!(writeln!(out, "],"));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/html.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |         try!(writeln!(out, "}}"));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lib.rs:67:1
[INFO] [stdout]    |
[INFO] [stdout] 67 | lazy_static!(static ref ALL_THREADS: Mutex<Vec<(usize, Option<String>, PrivateFrame)>> = Mutex::new(Vec::new()););
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.45s
[INFO] running `Command { std: "docker" "inspect" "c155ac1759bbc8edbd8fb1ba022e8010b33904ebc9dca890894abf998149a720", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c155ac1759bbc8edbd8fb1ba022e8010b33904ebc9dca890894abf998149a720", kill_on_drop: false }`
[INFO] [stdout] c155ac1759bbc8edbd8fb1ba022e8010b33904ebc9dca890894abf998149a720
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+ff34b919075f35a1787659e9c448a34b06bab8de" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c251a3c2ef475018a084481261993bcfa41d2138d7564e613a759979c58cf516
[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" "c251a3c2ef475018a084481261993bcfa41d2138d7564e613a759979c58cf516", kill_on_drop: false }`
[INFO] [stderr]    Compiling flame v0.2.1-pre2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/html.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     try!(write!(out, r#"
[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/html.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |         try!(dump_spans(&mut out, &span));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/html.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |         try!(writeln!(out, ","));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/html.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 |     try!(write!(out, r#"]}}).call(flamegraph);
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]  --> src/html.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |         try!(writeln!(out, "{{"));
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]  --> src/html.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |         try!(writeln!(out, r#"name: "{}","#, span.name));
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]  --> src/html.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |         try!(writeln!(out, "value: {},", span.delta));
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/html.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |         try!(writeln!(out, "start: {},", span.start_ns));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/html.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |         try!(writeln!(out, "end: {},", span.end_ns));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/html.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |         try!(writeln!(out, "children: ["));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/html.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |             try!(dump_spans(out, child));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/html.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |             try!(writeln!(out, ","));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/html.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |         try!(writeln!(out, "],"));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/html.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |         try!(writeln!(out, "}}"));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lib.rs:67:1
[INFO] [stdout]    |
[INFO] [stdout] 67 | lazy_static!(static ref ALL_THREADS: Mutex<Vec<(usize, Option<String>, PrivateFrame)>> = Mutex::new(Vec::new()););
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/html.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     try!(write!(out, r#"
[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/html.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |         try!(dump_spans(&mut out, &span));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/html.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |         try!(writeln!(out, ","));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/html.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 |     try!(write!(out, r#"]}}).call(flamegraph);
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]  --> src/html.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |         try!(writeln!(out, "{{"));
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]  --> src/html.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |         try!(writeln!(out, r#"name: "{}","#, span.name));
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]  --> src/html.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |         try!(writeln!(out, "value: {},", span.delta));
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/html.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |         try!(writeln!(out, "start: {},", span.start_ns));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/html.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |         try!(writeln!(out, "end: {},", span.end_ns));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/html.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |         try!(writeln!(out, "children: ["));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/html.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |             try!(dump_spans(out, child));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/html.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |             try!(writeln!(out, ","));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/html.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |         try!(writeln!(out, "],"));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/html.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |         try!(writeln!(out, "}}"));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lib.rs:67:1
[INFO] [stdout]    |
[INFO] [stdout] 67 | lazy_static!(static ref ALL_THREADS: Mutex<Vec<(usize, Option<String>, PrivateFrame)>> = Mutex::new(Vec::new()););
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "c251a3c2ef475018a084481261993bcfa41d2138d7564e613a759979c58cf516", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c251a3c2ef475018a084481261993bcfa41d2138d7564e613a759979c58cf516", kill_on_drop: false }`
[INFO] [stdout] c251a3c2ef475018a084481261993bcfa41d2138d7564e613a759979c58cf516
