[INFO] fetching crate flame 0.2.1-pre2...
[INFO] checking flame-0.2.1-pre2 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate flame 0.2.1-pre2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate flame 0.2.1-pre2 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", 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-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "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] 492debb4005f74a694b927d59af4bbf881ecb3b15b26b4efb389c66f4d7881ce
[INFO] running `Command { std: "docker" "start" "-a" "492debb4005f74a694b927d59af4bbf881ecb3b15b26b4efb389c66f4d7881ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "492debb4005f74a694b927d59af4bbf881ecb3b15b26b4efb389c66f4d7881ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "492debb4005f74a694b927d59af4bbf881ecb3b15b26b4efb389c66f4d7881ce", kill_on_drop: false }`
[INFO] [stdout] 492debb4005f74a694b927d59af4bbf881ecb3b15b26b4efb389c66f4d7881ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--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] 1a14dbf89a7b34be28ffacce524b03af1680fab096118ace6cfbb2c19b563aa6
[INFO] running `Command { std: "docker" "start" "-a" "1a14dbf89a7b34be28ffacce524b03af1680fab096118ace6cfbb2c19b563aa6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking 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:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |         try!(writeln!(out, "{{"));
[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: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 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] 
[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 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: 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]   = 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: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 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] 
[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 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: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.82s
[INFO] running `Command { std: "docker" "inspect" "1a14dbf89a7b34be28ffacce524b03af1680fab096118ace6cfbb2c19b563aa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a14dbf89a7b34be28ffacce524b03af1680fab096118ace6cfbb2c19b563aa6", kill_on_drop: false }`
[INFO] [stdout] 1a14dbf89a7b34be28ffacce524b03af1680fab096118ace6cfbb2c19b563aa6