[INFO] fetching crate tracing-async 0.0.0...
[INFO] testing tracing-async-0.0.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate tracing-async 0.0.0 into /workspace/builds/worker-61/source
[INFO] validating manifest of crates.io crate tracing-async 0.0.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tracing-async 0.0.0
[INFO] finished tweaking crates.io crate tracing-async 0.0.0
[INFO] tweaked toml for crates.io crate tracing-async 0.0.0 written to /workspace/builds/worker-61/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 82041f07dabf39c10cabfb41177d0c3c4a5d2790ba45d959221e33ae992dd751
[INFO] running `Command { std: "docker" "start" "-a" "82041f07dabf39c10cabfb41177d0c3c4a5d2790ba45d959221e33ae992dd751", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82041f07dabf39c10cabfb41177d0c3c4a5d2790ba45d959221e33ae992dd751", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82041f07dabf39c10cabfb41177d0c3c4a5d2790ba45d959221e33ae992dd751", kill_on_drop: false }`
[INFO] [stdout] 82041f07dabf39c10cabfb41177d0c3c4a5d2790ba45d959221e33ae992dd751
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fcee8fba0c9e6de812a95e8d155c1310657f0b9ce07e02f3a8abc72876355eef
[INFO] running `Command { std: "docker" "start" "-a" "fcee8fba0c9e6de812a95e8d155c1310657f0b9ce07e02f3a8abc72876355eef", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tracing-async v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.09s
[INFO] running `Command { std: "docker" "inspect" "fcee8fba0c9e6de812a95e8d155c1310657f0b9ce07e02f3a8abc72876355eef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcee8fba0c9e6de812a95e8d155c1310657f0b9ce07e02f3a8abc72876355eef", kill_on_drop: false }`
[INFO] [stdout] fcee8fba0c9e6de812a95e8d155c1310657f0b9ce07e02f3a8abc72876355eef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d766ce979810da606487f23b27302cf6d684a6e5b1c44bdd564f330e8bc1e6e
[INFO] running `Command { std: "docker" "start" "-a" "4d766ce979810da606487f23b27302cf6d684a6e5b1c44bdd564f330e8bc1e6e", kill_on_drop: false }`
[INFO] [stderr]    Compiling tracing-async v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.93s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/tracing_async-a2c1574013b4b71d)
[INFO] running `Command { std: "docker" "inspect" "4d766ce979810da606487f23b27302cf6d684a6e5b1c44bdd564f330e8bc1e6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d766ce979810da606487f23b27302cf6d684a6e5b1c44bdd564f330e8bc1e6e", kill_on_drop: false }`
[INFO] [stdout] 4d766ce979810da606487f23b27302cf6d684a6e5b1c44bdd564f330e8bc1e6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6e7880239f4c9170027eb92078409866a041d9156dc18be7cf70d99fcb3aa05a
[INFO] running `Command { std: "docker" "start" "-a" "6e7880239f4c9170027eb92078409866a041d9156dc18be7cf70d99fcb3aa05a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.50s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tracing_async-a2c1574013b4b71d)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tracing-async
[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] running `Command { std: "docker" "inspect" "6e7880239f4c9170027eb92078409866a041d9156dc18be7cf70d99fcb3aa05a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e7880239f4c9170027eb92078409866a041d9156dc18be7cf70d99fcb3aa05a", kill_on_drop: false }`
[INFO] [stdout] 6e7880239f4c9170027eb92078409866a041d9156dc18be7cf70d99fcb3aa05a