[INFO] fetching crate tracing-allocations 0.1.0... [INFO] testing tracing-allocations-0.1.0 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1 [INFO] extracting crate tracing-allocations 0.1.0 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate tracing-allocations 0.1.0 [INFO] finished tweaking crates.io crate tracing-allocations 0.1.0 [INFO] tweaked toml for crates.io crate tracing-allocations 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate tracing-allocations 0.1.0 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate tracing-allocations 0.1.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a088053a4ed33942e9429997fe4d211565a5a64864a93c995ef7c3cdf1367daa [INFO] running `Command { std: "docker" "start" "-a" "a088053a4ed33942e9429997fe4d211565a5a64864a93c995ef7c3cdf1367daa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a088053a4ed33942e9429997fe4d211565a5a64864a93c995ef7c3cdf1367daa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a088053a4ed33942e9429997fe4d211565a5a64864a93c995ef7c3cdf1367daa", kill_on_drop: false }` [INFO] [stdout] a088053a4ed33942e9429997fe4d211565a5a64864a93c995ef7c3cdf1367daa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d87c4609df854b20f8dab111eda4749ee0a07ab1a9ff3d662743c1ea1b4435a1 [INFO] running `Command { std: "docker" "start" "-a" "d87c4609df854b20f8dab111eda4749ee0a07ab1a9ff3d662743c1ea1b4435a1", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling pin-project-lite v0.2.8 [INFO] [stderr] Compiling tracing-core v0.1.22 [INFO] [stderr] Compiling tracing-attributes v0.1.19 [INFO] [stderr] Compiling tracing v0.1.31 [INFO] [stderr] Compiling tracing-allocations v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/lib.rs:84:17 [INFO] [stdout] | [INFO] [stdout] 84 | drop(guard); [INFO] [stdout] | ^^^^^-----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&RefCell` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 84 - drop(guard); [INFO] [stdout] 84 + let _ = guard; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.20s [INFO] running `Command { std: "docker" "inspect" "d87c4609df854b20f8dab111eda4749ee0a07ab1a9ff3d662743c1ea1b4435a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d87c4609df854b20f8dab111eda4749ee0a07ab1a9ff3d662743c1ea1b4435a1", kill_on_drop: false }` [INFO] [stdout] d87c4609df854b20f8dab111eda4749ee0a07ab1a9ff3d662743c1ea1b4435a1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 14acb3147c6b7b5616a8bae5e98cf076b51173f9383c1199824567063997b2c7 [INFO] running `Command { std: "docker" "start" "-a" "14acb3147c6b7b5616a8bae5e98cf076b51173f9383c1199824567063997b2c7", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.119 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling parking_lot_core v0.9.1 [INFO] [stderr] Compiling tracing-core v0.1.22 [INFO] [stderr] Compiling smallvec v1.8.0 [INFO] [stderr] Compiling once_cell v1.10.0 [INFO] [stderr] Compiling lock_api v0.4.6 [INFO] [stderr] Compiling sharded-slab v0.1.4 [INFO] [stderr] Compiling thread_local v1.1.4 [INFO] [stderr] Compiling bytes v1.1.0 [INFO] [stderr] Compiling tracing-log v0.1.2 [INFO] [stderr] Compiling signal-hook-registry v1.4.0 [INFO] [stderr] Compiling num_cpus v1.13.1 [INFO] [stderr] Compiling socket2 v0.4.4 [INFO] [stderr] Compiling parking_lot v0.12.0 [INFO] [stderr] Compiling mio v0.8.0 [INFO] [stderr] Compiling tracing-subscriber v0.3.9 [INFO] [stderr] Compiling tracing-attributes v0.1.19 [INFO] [stderr] Compiling tokio-macros v1.7.0 [INFO] [stderr] Compiling tokio v1.17.0 [INFO] [stderr] Compiling tracing v0.1.31 [INFO] [stderr] Compiling tracing-allocations v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/lib.rs:84:17 [INFO] [stdout] | [INFO] [stdout] 84 | drop(guard); [INFO] [stdout] | ^^^^^-----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&RefCell` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 84 - drop(guard); [INFO] [stdout] 84 + let _ = guard; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/lib.rs:84:17 [INFO] [stdout] | [INFO] [stdout] 84 | drop(guard); [INFO] [stdout] | ^^^^^-----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&RefCell` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 84 - drop(guard); [INFO] [stdout] 84 + let _ = guard; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Instrument` and `trace_span` [INFO] [stdout] --> examples/simple.rs:1:15 [INFO] [stdout] | [INFO] [stdout] 1 | use tracing::{trace_span, Instrument}; [INFO] [stdout] | ^^^^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 22.37s [INFO] running `Command { std: "docker" "inspect" "14acb3147c6b7b5616a8bae5e98cf076b51173f9383c1199824567063997b2c7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "14acb3147c6b7b5616a8bae5e98cf076b51173f9383c1199824567063997b2c7", kill_on_drop: false }` [INFO] [stdout] 14acb3147c6b7b5616a8bae5e98cf076b51173f9383c1199824567063997b2c7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 001b514b59bc3b73d5994552fa9beee3617192b7b8308396a89ef4ee2e9d5230 [INFO] running `Command { std: "docker" "start" "-a" "001b514b59bc3b73d5994552fa9beee3617192b7b8308396a89ef4ee2e9d5230", kill_on_drop: false }` [INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stderr] --> src/lib.rs:84:17 [INFO] [stderr] | [INFO] [stderr] 84 | drop(guard); [INFO] [stderr] | ^^^^^-----^ [INFO] [stderr] | | [INFO] [stderr] | argument has type `&RefCell` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dropping_references)]` on by default [INFO] [stderr] help: use `let _ = ...` to ignore the expression or result [INFO] [stderr] | [INFO] [stderr] 84 - drop(guard); [INFO] [stderr] 84 + let _ = guard; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `tracing-allocations` (lib) generated 1 warning [INFO] [stderr] warning: `tracing-allocations` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] warning: unused imports: `Instrument` and `trace_span` [INFO] [stderr] --> examples/simple.rs:1:15 [INFO] [stderr] | [INFO] [stderr] 1 | use tracing::{trace_span, Instrument}; [INFO] [stderr] | ^^^^^^^^^^ ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `tracing-allocations` (example "simple") generated 1 warning (run `cargo fix --example "simple"` to apply 1 suggestion) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tracing_allocations-badb6d04a1f4aa11) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests tracing_allocations [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test src/lib.rs - TracingAllocator::new (line 33) ... ok [INFO] [stdout] test src/lib.rs - TracingAllocator (line 17) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.38s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "001b514b59bc3b73d5994552fa9beee3617192b7b8308396a89ef4ee2e9d5230", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "001b514b59bc3b73d5994552fa9beee3617192b7b8308396a89ef4ee2e9d5230", kill_on_drop: false }` [INFO] [stdout] 001b514b59bc3b73d5994552fa9beee3617192b7b8308396a89ef4ee2e9d5230