[INFO] fetching crate tower-trace 0.0.0...
[INFO] testing tower-trace-0.0.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate tower-trace 0.0.0 into /workspace/builds/worker-55/source
[INFO] validating manifest of crates.io crate tower-trace 0.0.0 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 tower-trace 0.0.0
[INFO] finished tweaking crates.io crate tower-trace 0.0.0
[INFO] tweaked toml for crates.io crate tower-trace 0.0.0 written to /workspace/builds/worker-55/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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" "+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-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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] 3115b87abe894e836065c5bea9adf7f966a88d3b9100d542e9beb531a16c4c92
[INFO] running `Command { std: "docker" "start" "-a" "3115b87abe894e836065c5bea9adf7f966a88d3b9100d542e9beb531a16c4c92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3115b87abe894e836065c5bea9adf7f966a88d3b9100d542e9beb531a16c4c92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3115b87abe894e836065c5bea9adf7f966a88d3b9100d542e9beb531a16c4c92", kill_on_drop: false }`
[INFO] [stdout] 3115b87abe894e836065c5bea9adf7f966a88d3b9100d542e9beb531a16c4c92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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] 1b94ece4e02437efd1fa012ea8ef33d115bba53f496ce187bdc3bec8d75bed41
[INFO] running `Command { std: "docker" "start" "-a" "1b94ece4e02437efd1fa012ea8ef33d115bba53f496ce187bdc3bec8d75bed41", kill_on_drop: false }`
[INFO] [stderr]    Compiling tower-trace v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.79s
[INFO] running `Command { std: "docker" "inspect" "1b94ece4e02437efd1fa012ea8ef33d115bba53f496ce187bdc3bec8d75bed41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b94ece4e02437efd1fa012ea8ef33d115bba53f496ce187bdc3bec8d75bed41", kill_on_drop: false }`
[INFO] [stdout] 1b94ece4e02437efd1fa012ea8ef33d115bba53f496ce187bdc3bec8d75bed41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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] 2a187224d67b3664c5801fd78714596277e48a2922b019e56bc73f51e1065f60
[INFO] running `Command { std: "docker" "start" "-a" "2a187224d67b3664c5801fd78714596277e48a2922b019e56bc73f51e1065f60", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tower-trace v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `Command { std: "docker" "inspect" "2a187224d67b3664c5801fd78714596277e48a2922b019e56bc73f51e1065f60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a187224d67b3664c5801fd78714596277e48a2922b019e56bc73f51e1065f60", kill_on_drop: false }`
[INFO] [stdout] 2a187224d67b3664c5801fd78714596277e48a2922b019e56bc73f51e1065f60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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] 1249317aa09e93e3f759dc79d8fa10242273f7fd6153389fd0f342f1b08355ab
[INFO] running `Command { std: "docker" "start" "-a" "1249317aa09e93e3f759dc79d8fa10242273f7fd6153389fd0f342f1b08355ab", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tower_trace-a16488481a53c939)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tower-trace
[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] [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" "1249317aa09e93e3f759dc79d8fa10242273f7fd6153389fd0f342f1b08355ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1249317aa09e93e3f759dc79d8fa10242273f7fd6153389fd0f342f1b08355ab", kill_on_drop: false }`
[INFO] [stdout] 1249317aa09e93e3f759dc79d8fa10242273f7fd6153389fd0f342f1b08355ab