[INFO] fetching crate tc-tracing 2.0.0...
[INFO] building tc-tracing-2.0.0 against master#eb171a227f9e5de5d376b6edb56b174bc8235fb3 for pr-149937
[INFO] extracting crate tc-tracing 2.0.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate tc-tracing 2.0.0
[INFO] finished tweaking crates.io crate tc-tracing 2.0.0
[INFO] tweaked toml for crates.io crate tc-tracing 2.0.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tc-tracing 2.0.0 on toolchain eb171a227f9e5de5d376b6edb56b174bc8235fb3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eb171a227f9e5de5d376b6edb56b174bc8235fb3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eb171a227f9e5de5d376b6edb56b174bc8235fb3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 311 packages to latest compatible versions
[INFO] [stderr]       Adding erased-serde v0.3.31 (available: v0.4.9)
[INFO] [stderr]       Adding parking_lot v0.11.2 (available: v0.12.5)
[INFO] [stderr]       Adding rustc-hash v1.1.0 (available: v2.1.1)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[INFO] [stderr]       Adding tracing-log v0.1.4 (available: v0.2.0)
[INFO] [stderr]       Adding tracing-subscriber v0.2.25 (available: v0.3.22)
[INFO] [stderr]       Adding zeroize v1.3.0 (available: v1.8.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eb171a227f9e5de5d376b6edb56b174bc8235fb3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tetsy-scale-codec v2.0.1
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+eb171a227f9e5de5d376b6edb56b174bc8235fb3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a5827cb3f259a09d897c0a8a5382d550f5d326c2c6e860dc470b14b28c9fc783
[INFO] running `Command { std: "docker" "start" "-a" "a5827cb3f259a09d897c0a8a5382d550f5d326c2c6e860dc470b14b28c9fc783", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5827cb3f259a09d897c0a8a5382d550f5d326c2c6e860dc470b14b28c9fc783", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5827cb3f259a09d897c0a8a5382d550f5d326c2c6e860dc470b14b28c9fc783", kill_on_drop: false }`
[INFO] [stdout] a5827cb3f259a09d897c0a8a5382d550f5d326c2c6e860dc470b14b28c9fc783
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+eb171a227f9e5de5d376b6edb56b174bc8235fb3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eef4aff613ab828fcc9f6a2c417c3eeeb260213eac3671108741681bf512749d
[INFO] running `Command { std: "docker" "start" "-a" "eef4aff613ab828fcc9f6a2c417c3eeeb260213eac3671108741681bf512749d", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.22
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[INFO] [stderr]    Compiling tetsy-multistream-select v0.10.2
[INFO] [stderr]    Compiling soketto v0.4.2
[INFO] [stderr]    Compiling wasm-timer v0.2.5
[INFO] [stderr]    Compiling tetcore-utils v2.1.2
[INFO] [stderr]    Compiling url v2.5.7
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling tetsy-multiaddr v0.11.2
[INFO] [stderr]    Compiling tetsy-scale-codec-derive v2.0.1
[INFO] [stderr]    Compiling tc-tracing-proc-macro v2.0.0
[INFO] [stderr]    Compiling tetsy-scale-codec v2.0.1
[INFO] [stderr]    Compiling tetsy-libp2p-tcp v0.27.2
[INFO] [stderr]    Compiling tetsy-libp2p-swarm v0.27.1
[INFO] [stderr]    Compiling tetsy-libp2p-dns v0.27.2
[INFO] [stderr]    Compiling tetsy-libp2p-websocket v0.28.2
[INFO] [stderr]    Compiling wasm-bindgen-futures v0.4.56
[INFO] [stderr]    Compiling tetcore-tracing v2.1.2
[INFO] [stderr]    Compiling tetsy-libp2p-wasm-ext v0.27.1
[INFO] [stderr]    Compiling tetsy-libp2p v0.34.3
[INFO] [stderr]    Compiling tc-telemetry v2.0.0
[INFO] [stderr]    Compiling tc-tracing v2.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated struct `tracing_subscriber::CurrentSpan`: Will be removed in v0.3
[INFO] [stdout]   --> src/lib.rs:46:2
[INFO] [stdout]    |
[INFO] [stdout] 46 |     CurrentSpan,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `tracing_subscriber::CurrentSpan`: Will be removed in v0.3
[INFO] [stdout]   --> src/lib.rs:62:16
[INFO] [stdout]    |
[INFO] [stdout] 62 |     current_span: CurrentSpan,
[INFO] [stdout]    |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `tracing_subscriber::registry::SpanRef::<'a, R>::parents`: equivalent to `self.parent().into_iter().flat_map(SpanRef::scope)`, but consider whether excluding `self` is actually intended
[INFO] [stdout]   --> src/logging/event_format.rs:98:23
[INFO] [stdout]    |
[INFO] [stdout] 98 |             let parents = span.parents();
[INFO] [stdout]    |                                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:308:15
[INFO] [stdout]     |
[INFO] [stdout] 308 |         if let Some(mut s) = span_data.get_mut(&span) {
[INFO] [stdout]     |                     ----^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `Command { std: "docker" "inspect" "eef4aff613ab828fcc9f6a2c417c3eeeb260213eac3671108741681bf512749d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eef4aff613ab828fcc9f6a2c417c3eeeb260213eac3671108741681bf512749d", kill_on_drop: false }`
[INFO] [stdout] eef4aff613ab828fcc9f6a2c417c3eeeb260213eac3671108741681bf512749d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+eb171a227f9e5de5d376b6edb56b174bc8235fb3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54aefad437fd8b147f1efcb55b9ce5f98cc9c0cf0b608c4cfbac82d1782737b1
[INFO] running `Command { std: "docker" "start" "-a" "54aefad437fd8b147f1efcb55b9ce5f98cc9c0cf0b608c4cfbac82d1782737b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling tc-tracing v2.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated struct `tracing_subscriber::CurrentSpan`: Will be removed in v0.3
[INFO] [stdout]   --> src/lib.rs:46:2
[INFO] [stdout]    |
[INFO] [stdout] 46 |     CurrentSpan,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `tracing_subscriber::CurrentSpan`: Will be removed in v0.3
[INFO] [stdout]   --> src/lib.rs:62:16
[INFO] [stdout]    |
[INFO] [stdout] 62 |     current_span: CurrentSpan,
[INFO] [stdout]    |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `tracing_subscriber::registry::SpanRef::<'a, R>::parents`: equivalent to `self.parent().into_iter().flat_map(SpanRef::scope)`, but consider whether excluding `self` is actually intended
[INFO] [stdout]   --> src/logging/event_format.rs:98:23
[INFO] [stdout]    |
[INFO] [stdout] 98 |             let parents = span.parents();
[INFO] [stdout]    |                                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:308:15
[INFO] [stdout]     |
[INFO] [stdout] 308 |         if let Some(mut s) = span_data.get_mut(&span) {
[INFO] [stdout]     |                     ----^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `tracing_subscriber::CurrentSpan`: Will be removed in v0.3
[INFO] [stdout]   --> src/lib.rs:46:2
[INFO] [stdout]    |
[INFO] [stdout] 46 |     CurrentSpan,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `tracing_subscriber::CurrentSpan`: Will be removed in v0.3
[INFO] [stdout]   --> src/lib.rs:62:16
[INFO] [stdout]    |
[INFO] [stdout] 62 |     current_span: CurrentSpan,
[INFO] [stdout]    |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `tracing_subscriber::registry::SpanRef::<'a, R>::parents`: equivalent to `self.parent().into_iter().flat_map(SpanRef::scope)`, but consider whether excluding `self` is actually intended
[INFO] [stdout]   --> src/logging/event_format.rs:98:23
[INFO] [stdout]    |
[INFO] [stdout] 98 |             let parents = span.parents();
[INFO] [stdout]    |                                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:308:15
[INFO] [stdout]     |
[INFO] [stdout] 308 |         if let Some(mut s) = span_data.get_mut(&span) {
[INFO] [stdout]     |                     ----^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/logging/mod.rs:431:4
[INFO] [stdout]     |
[INFO] [stdout] 431 |             format!("Expected:\n{}\nGot:\n{}", re, output),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the `assert!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 431 -             format!("Expected:\n{}\nGot:\n{}", re, output),
[INFO] [stdout] 431 +             "Expected:\n{}\nGot:\n{}", re, output,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/logging/mod.rs:479:4
[INFO] [stdout]     |
[INFO] [stdout] 479 |             format!("Expected:\n{}\nGot:\n{}", re, output),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the `assert!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 479 -             format!("Expected:\n{}\nGot:\n{}", re, output),
[INFO] [stdout] 479 +             "Expected:\n{}\nGot:\n{}", re, output,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `Result`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/lib.rs:577:15
[INFO] [stdout]     |
[INFO] [stdout] 577 |             for msg in rx.recv() {
[INFO] [stdout]     |                        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 577 -             for msg in rx.recv() {
[INFO] [stdout] 577 +             while let Ok(msg) = rx.recv() {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 577 -             for msg in rx.recv() {
[INFO] [stdout] 577 +             if let Ok(msg) = rx.recv() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.51s
[INFO] running `Command { std: "docker" "inspect" "54aefad437fd8b147f1efcb55b9ce5f98cc9c0cf0b608c4cfbac82d1782737b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54aefad437fd8b147f1efcb55b9ce5f98cc9c0cf0b608c4cfbac82d1782737b1", kill_on_drop: false }`
[INFO] [stdout] 54aefad437fd8b147f1efcb55b9ce5f98cc9c0cf0b608c4cfbac82d1782737b1
