[INFO] fetching crate flame 0.2.1-pre2...
[INFO] checking flame-0.2.1-pre2 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate flame 0.2.1-pre2 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate flame 0.2.1-pre2 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-13/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d02fd2bd3ec6c35f7657b7434f2ebb526c6880c97aae119e35ad5af69f178fa4
[INFO] running `"docker" "start" "-a" "d02fd2bd3ec6c35f7657b7434f2ebb526c6880c97aae119e35ad5af69f178fa4"`
[INFO] [stderr]     Checking flame v0.2.1-pre2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]  --> src/html.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |         try!(writeln!(out, "{{"));
[INFO] [stderr]   |         ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]  --> src/html.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |         try!(writeln!(out, r#"name: "{}","#, span.name));
[INFO] [stderr]   |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]  --> src/html.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 |         try!(writeln!(out, "value: {},", span.delta));
[INFO] [stderr]   |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/html.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |         try!(writeln!(out, "start: {},", span.start_ns));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/html.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |         try!(writeln!(out, "end: {},", span.end_ns));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/html.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |         try!(writeln!(out, "children: ["));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/html.rs:14:13
[INFO] [stderr]    |
[INFO] [stderr] 14 |             try!(dump_spans(out, child));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/html.rs:15:13
[INFO] [stderr]    |
[INFO] [stderr] 15 |             try!(writeln!(out, ","));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/html.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |         try!(writeln!(out, "],"));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/html.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |         try!(writeln!(out, "}}"));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/html.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     try!(write!(out, r#"
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/html.rs:63:9
[INFO] [stderr]    |
[INFO] [stderr] 63 |         try!(dump_spans(&mut out, &span));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/html.rs:64:9
[INFO] [stderr]    |
[INFO] [stderr] 64 |         try!(writeln!(out, ","));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/html.rs:67:5
[INFO] [stderr]    |
[INFO] [stderr] 67 |     try!(write!(out, r#"]}}).call(flamegraph);
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]  --> src/html.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |         try!(writeln!(out, "{{"));
[INFO] [stderr]   |         ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]  --> src/html.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |         try!(writeln!(out, r#"name: "{}","#, span.name));
[INFO] [stderr]   |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]  --> src/html.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 |         try!(writeln!(out, "value: {},", span.delta));
[INFO] [stderr]   |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/html.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |         try!(writeln!(out, "start: {},", span.start_ns));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/html.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |         try!(writeln!(out, "end: {},", span.end_ns));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/html.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |         try!(writeln!(out, "children: ["));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/html.rs:14:13
[INFO] [stderr]    |
[INFO] [stderr] 14 |             try!(dump_spans(out, child));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/html.rs:15:13
[INFO] [stderr]    |
[INFO] [stderr] 15 |             try!(writeln!(out, ","));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/html.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |         try!(writeln!(out, "],"));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/html.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |         try!(writeln!(out, "}}"));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/html.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     try!(write!(out, r#"
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/html.rs:63:9
[INFO] [stderr]    |
[INFO] [stderr] 63 |         try!(dump_spans(&mut out, &span));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/html.rs:64:9
[INFO] [stderr]    |
[INFO] [stderr] 64 |         try!(writeln!(out, ","));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/html.rs:67:5
[INFO] [stderr]    |
[INFO] [stderr] 67 |     try!(write!(out, r#"]}}).call(flamegraph);
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lib.rs:67:1
[INFO] [stderr]    |
[INFO] [stderr] 67 | lazy_static!(static ref ALL_THREADS: Mutex<Vec<(usize, Option<String>, PrivateFrame)>> = Mutex::new(Vec::new()););
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lib.rs:67:1
[INFO] [stderr]    |
[INFO] [stderr] 67 | lazy_static!(static ref ALL_THREADS: Mutex<Vec<(usize, Option<String>, PrivateFrame)>> = Mutex::new(Vec::new()););
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.80s
[INFO] running `"docker" "inspect" "d02fd2bd3ec6c35f7657b7434f2ebb526c6880c97aae119e35ad5af69f178fa4"`
[INFO] running `"docker" "rm" "-f" "d02fd2bd3ec6c35f7657b7434f2ebb526c6880c97aae119e35ad5af69f178fa4"`
[INFO] [stdout] d02fd2bd3ec6c35f7657b7434f2ebb526c6880c97aae119e35ad5af69f178fa4