[INFO] fetching crate symbolic-proguard 7.5.0...
[INFO] testing symbolic-proguard-7.5.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate symbolic-proguard 7.5.0 into /workspace/builds/worker-23/source
[INFO] validating manifest of crates.io crate symbolic-proguard 7.5.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate symbolic-proguard 7.5.0
[INFO] finished tweaking crates.io crate symbolic-proguard 7.5.0
[INFO] tweaked toml for crates.io crate symbolic-proguard 7.5.0 written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b397a66230816b9c6fc400e352a625b62f6f3e8b0b598fd59e9a59d86fca5d7f
[INFO] running `Command { std: "docker" "start" "-a" "b397a66230816b9c6fc400e352a625b62f6f3e8b0b598fd59e9a59d86fca5d7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b397a66230816b9c6fc400e352a625b62f6f3e8b0b598fd59e9a59d86fca5d7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b397a66230816b9c6fc400e352a625b62f6f3e8b0b598fd59e9a59d86fca5d7f", kill_on_drop: false }`
[INFO] [stdout] b397a66230816b9c6fc400e352a625b62f6f3e8b0b598fd59e9a59d86fca5d7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9da604471c59d9f4e8a263cb2a7297ed46814091540ee854d2fee1a4068d6251
[INFO] running `Command { std: "docker" "start" "-a" "9da604471c59d9f4e8a263cb2a7297ed46814091540ee854d2fee1a4068d6251", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling debugid v0.7.2
[INFO] [stderr]    Compiling proguard v4.1.1
[INFO] [stderr]    Compiling object v0.26.2
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling symbolic-common v7.5.0
[INFO] [stderr]    Compiling symbolic-proguard v7.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.04s
[INFO] running `Command { std: "docker" "inspect" "9da604471c59d9f4e8a263cb2a7297ed46814091540ee854d2fee1a4068d6251", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9da604471c59d9f4e8a263cb2a7297ed46814091540ee854d2fee1a4068d6251", kill_on_drop: false }`
[INFO] [stdout] 9da604471c59d9f4e8a263cb2a7297ed46814091540ee854d2fee1a4068d6251
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d677d636dca309e03581cb51cc6940c495e29ada72b4a8bff3d703e299c606a7
[INFO] running `Command { std: "docker" "start" "-a" "d677d636dca309e03581cb51cc6940c495e29ada72b4a8bff3d703e299c606a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling symbolic-proguard v7.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "d677d636dca309e03581cb51cc6940c495e29ada72b4a8bff3d703e299c606a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d677d636dca309e03581cb51cc6940c495e29ada72b4a8bff3d703e299c606a7", kill_on_drop: false }`
[INFO] [stdout] d677d636dca309e03581cb51cc6940c495e29ada72b4a8bff3d703e299c606a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ce8fce8bfc3933a3457e4a020e6e613a1bbc2fdc78cdfcbcee189a97fbc66273
[INFO] running `Command { std: "docker" "start" "-a" "ce8fce8bfc3933a3457e4a020e6e613a1bbc2fdc78cdfcbcee189a97fbc66273", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/symbolic_proguard-adc359a7a34dcf84)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests symbolic-proguard
[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 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" "ce8fce8bfc3933a3457e4a020e6e613a1bbc2fdc78cdfcbcee189a97fbc66273", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce8fce8bfc3933a3457e4a020e6e613a1bbc2fdc78cdfcbcee189a97fbc66273", kill_on_drop: false }`
[INFO] [stdout] ce8fce8bfc3933a3457e4a020e6e613a1bbc2fdc78cdfcbcee189a97fbc66273