[INFO] fetching crate tracing-allocations 0.1.0...
[INFO] testing tracing-allocations-0.1.0 against 1.95.0 for beta-1.96-2
[INFO] extracting crate tracing-allocations 0.1.0 into /workspace/builds/worker-6-tc1/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-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tracing-allocations 0.1.0 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "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" "+1.95.0" "fetch" "--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]  Downloading crates ...
[INFO] [stderr]   Downloaded tracing-log v0.1.2
[INFO] [stderr]   Downloaded thread_local v1.1.4
[INFO] [stderr]   Downloaded smallvec v1.8.0
[INFO] [stderr]   Downloaded scopeguard v1.1.0
[INFO] [stderr]   Downloaded once_cell v1.10.0
[INFO] [stderr]   Downloaded num_cpus v1.13.1
[INFO] [stderr]   Downloaded sharded-slab v0.1.4
[INFO] [stderr]   Downloaded miow v0.3.7
[INFO] [stderr]   Downloaded bytes v1.1.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.36
[INFO] [stderr]   Downloaded mio v0.8.0
[INFO] [stderr]   Downloaded tracing-core v0.1.22
[INFO] [stderr]   Downloaded ntapi v0.3.7
[INFO] [stderr]   Downloaded tracing-subscriber v0.3.9
[INFO] [stderr]   Downloaded tracing v0.1.31
[INFO] [stderr]   Downloaded memchr v2.4.1
[INFO] [stderr]   Downloaded parking_lot v0.12.0
[INFO] [stderr]   Downloaded socket2 v0.4.4
[INFO] [stderr]   Downloaded syn v1.0.86
[INFO] [stderr]   Downloaded pin-project-lite v0.2.8
[INFO] [stderr]   Downloaded quote v1.0.15
[INFO] [stderr]   Downloaded unicode-xid v0.2.2
[INFO] [stderr]   Downloaded tracing-attributes v0.1.19
[INFO] [stderr]   Downloaded lock_api v0.4.6
[INFO] [stderr]   Downloaded redox_syscall v0.2.11
[INFO] [stderr]   Downloaded parking_lot_core v0.9.1
[INFO] [stderr]   Downloaded signal-hook-registry v1.4.0
[INFO] [stderr]   Downloaded tokio-macros v1.7.0
[INFO] [stderr]   Downloaded log v0.4.14
[INFO] [stderr]   Downloaded valuable v0.1.0
[INFO] [stderr]   Downloaded tokio v1.17.0
[INFO] [stderr]   Downloaded libc v0.2.119
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.32.0
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.32.0
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.32.0
[INFO] [stderr]   Downloaded windows_i686_msvc v0.32.0
[INFO] [stderr]   Downloaded windows_i686_gnu v0.32.0
[INFO] [stderr]   Downloaded windows-sys v0.32.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea30bbe7b67718a2cf461373db162a0423f41e37c913f202d4a0fae1a851321b
[INFO] running `Command { std: "docker" "start" "-a" "ea30bbe7b67718a2cf461373db162a0423f41e37c913f202d4a0fae1a851321b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea30bbe7b67718a2cf461373db162a0423f41e37c913f202d4a0fae1a851321b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea30bbe7b67718a2cf461373db162a0423f41e37c913f202d4a0fae1a851321b", kill_on_drop: false }`
[INFO] [stdout] ea30bbe7b67718a2cf461373db162a0423f41e37c913f202d4a0fae1a851321b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0837824f6a40f1fba6b773dd884de4faaab6ddb37f0e45751fa3b93d2b8419d1
[INFO] running `Command { std: "docker" "start" "-a" "0837824f6a40f1fba6b773dd884de4faaab6ddb37f0e45751fa3b93d2b8419d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.8
[INFO] [stderr]    Compiling tracing-core v0.1.22
[INFO] [stderr]    Compiling quote v1.0.15
[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<bool>`
[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 8.34s
[INFO] running `Command { std: "docker" "inspect" "0837824f6a40f1fba6b773dd884de4faaab6ddb37f0e45751fa3b93d2b8419d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0837824f6a40f1fba6b773dd884de4faaab6ddb37f0e45751fa3b93d2b8419d1", kill_on_drop: false }`
[INFO] [stdout] 0837824f6a40f1fba6b773dd884de4faaab6ddb37f0e45751fa3b93d2b8419d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8072a7d548af68196ec75beacc16ceb278386b9ab2c327e0478a27c960867911
[INFO] running `Command { std: "docker" "start" "-a" "8072a7d548af68196ec75beacc16ceb278386b9ab2c327e0478a27c960867911", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling parking_lot_core v0.9.1
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling once_cell v1.10.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling tracing-core v0.1.22
[INFO] [stderr]    Compiling sharded-slab v0.1.4
[INFO] [stderr]    Compiling lock_api v0.4.6
[INFO] [stderr]    Compiling thread_local v1.1.4
[INFO] [stderr]    Compiling tracing-log v0.1.2
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling socket2 v0.4.4
[INFO] [stderr]    Compiling mio v0.8.0
[INFO] [stderr]    Compiling tracing-subscriber v0.3.9
[INFO] [stderr]    Compiling parking_lot v0.12.0
[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<bool>`
[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<bool>`
[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 16.30s
[INFO] running `Command { std: "docker" "inspect" "8072a7d548af68196ec75beacc16ceb278386b9ab2c327e0478a27c960867911", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8072a7d548af68196ec75beacc16ceb278386b9ab2c327e0478a27c960867911", kill_on_drop: false }`
[INFO] [stdout] 8072a7d548af68196ec75beacc16ceb278386b9ab2c327e0478a27c960867911
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d0a4a7b897961c3bb0e10b1b0a1d4c61aa8d72136a6a9a07086c652c14209182
[INFO] running `Command { std: "docker" "start" "-a" "d0a4a7b897961c3bb0e10b1b0a1d4c61aa8d72136a6a9a07086c652c14209182", 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<bool>`
[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" -p tracing-allocations` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tracing_allocations-27861f01a485f44c)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tracing_allocations
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - TracingAllocator (line 17) ... ok
[INFO] [stdout] test src/lib.rs - TracingAllocator<A>::new (line 33) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.42s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d0a4a7b897961c3bb0e10b1b0a1d4c61aa8d72136a6a9a07086c652c14209182", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0a4a7b897961c3bb0e10b1b0a1d4c61aa8d72136a6a9a07086c652c14209182", kill_on_drop: false }`
[INFO] [stdout] d0a4a7b897961c3bb0e10b1b0a1d4c61aa8d72136a6a9a07086c652c14209182
