[INFO] fetching crate tracing-allocations 0.1.0...
[INFO] testing tracing-allocations-0.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate tracing-allocations 0.1.0 into /workspace/builds/worker-80/source
[INFO] validating manifest of crates.io crate tracing-allocations 0.1.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-80/source/Cargo.toml
[INFO] crate crates.io crate tracing-allocations 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f8dab20abdbd7080efb30c4081066db8baf1e0d431ef3cbbd88242c46a567180
[INFO] running `Command { std: "docker" "start" "-a" "f8dab20abdbd7080efb30c4081066db8baf1e0d431ef3cbbd88242c46a567180", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8dab20abdbd7080efb30c4081066db8baf1e0d431ef3cbbd88242c46a567180", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8dab20abdbd7080efb30c4081066db8baf1e0d431ef3cbbd88242c46a567180", kill_on_drop: false }`
[INFO] [stdout] f8dab20abdbd7080efb30c4081066db8baf1e0d431ef3cbbd88242c46a567180
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35a717b41c7e47791d6fa09a4615fb55f6a80aa2109606bbb1e2d215ca009296
[INFO] running `Command { std: "docker" "start" "-a" "35a717b41c7e47791d6fa09a4615fb55f6a80aa2109606bbb1e2d215ca009296", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.86
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.60s
[INFO] running `Command { std: "docker" "inspect" "35a717b41c7e47791d6fa09a4615fb55f6a80aa2109606bbb1e2d215ca009296", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35a717b41c7e47791d6fa09a4615fb55f6a80aa2109606bbb1e2d215ca009296", kill_on_drop: false }`
[INFO] [stdout] 35a717b41c7e47791d6fa09a4615fb55f6a80aa2109606bbb1e2d215ca009296
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be33f453500b4905d28deda9df820aba834e08e191522cd8bb3c389c0699fcd8
[INFO] running `Command { std: "docker" "start" "-a" "be33f453500b4905d28deda9df820aba834e08e191522cd8bb3c389c0699fcd8", kill_on_drop: false }`
[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 tracing-core v0.1.22
[INFO] [stderr]    Compiling lock_api v0.4.6
[INFO] [stderr]    Compiling sharded-slab v0.1.4
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling socket2 v0.4.4
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling mio v0.8.0
[INFO] [stderr]    Compiling tracing-log v0.1.2
[INFO] [stderr]    Compiling parking_lot v0.12.0
[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: unused imports: `Instrument`, `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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 21.40s
[INFO] running `Command { std: "docker" "inspect" "be33f453500b4905d28deda9df820aba834e08e191522cd8bb3c389c0699fcd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be33f453500b4905d28deda9df820aba834e08e191522cd8bb3c389c0699fcd8", kill_on_drop: false }`
[INFO] [stdout] be33f453500b4905d28deda9df820aba834e08e191522cd8bb3c389c0699fcd8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 89beb205e1908da1284dda617f634d59a45c2d3bbbe015cac1d8f31f1b58f8bf
[INFO] running `Command { std: "docker" "start" "-a" "89beb205e1908da1284dda617f634d59a45c2d3bbbe015cac1d8f31f1b58f8bf", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `Instrument`, `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)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `tracing-allocations` (example "simple") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tracing_allocations-fd7a37ddd028bf14)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tracing-allocations
[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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - TracingAllocator<A>::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 0.81s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "89beb205e1908da1284dda617f634d59a45c2d3bbbe015cac1d8f31f1b58f8bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89beb205e1908da1284dda617f634d59a45c2d3bbbe015cac1d8f31f1b58f8bf", kill_on_drop: false }`
[INFO] [stdout] 89beb205e1908da1284dda617f634d59a45c2d3bbbe015cac1d8f31f1b58f8bf