[INFO] fetching crate flame 0.2.1-pre2...
[INFO] checking flame-0.2.1-pre2 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate flame 0.2.1-pre2 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate flame 0.2.1-pre2 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "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-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 18 packages to latest compatible versions
[INFO] [stderr]       Adding lazy_static v0.2.11 (latest: v1.5.0)
[INFO] [stderr]       Adding redox_syscall v0.1.57 (latest: v0.5.3)
[INFO] [stderr]       Adding thread-id v3.3.0 (latest: v4.2.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6941667e83d9b40a08555b8077ea2933c387d126a3b4b00d85fdadcc5d831b34
[INFO] running `Command { std: "docker" "start" "-a" "6941667e83d9b40a08555b8077ea2933c387d126a3b4b00d85fdadcc5d831b34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6941667e83d9b40a08555b8077ea2933c387d126a3b4b00d85fdadcc5d831b34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6941667e83d9b40a08555b8077ea2933c387d126a3b4b00d85fdadcc5d831b34", kill_on_drop: false }`
[INFO] [stdout] 6941667e83d9b40a08555b8077ea2933c387d126a3b4b00d85fdadcc5d831b34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c6c75e40f03519bef36209c2cf53c04329701793f324232550c4e0b75a928fe
[INFO] running `Command { std: "docker" "start" "-a" "4c6c75e40f03519bef36209c2cf53c04329701793f324232550c4e0b75a928fe", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling serde v1.0.209
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking serde_json v1.0.127
[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: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: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: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: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: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: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: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: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: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: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 constant `std::sync::ONCE_INIT`: the `Once::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 the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::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 the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (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` profile [unoptimized + debuginfo] target(s) in 5.21s
[INFO] running `Command { std: "docker" "inspect" "4c6c75e40f03519bef36209c2cf53c04329701793f324232550c4e0b75a928fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c6c75e40f03519bef36209c2cf53c04329701793f324232550c4e0b75a928fe", kill_on_drop: false }`
[INFO] [stdout] 4c6c75e40f03519bef36209c2cf53c04329701793f324232550c4e0b75a928fe