[INFO] fetching crate calcver_example 0.1.0...
[INFO] testing calcver_example-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate calcver_example 0.1.0 into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate calcver_example 0.1.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate calcver_example 0.1.0
[INFO] finished tweaking crates.io crate calcver_example 0.1.0
[INFO] tweaked toml for crates.io crate calcver_example 0.1.0 written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a9562517dfe06d55ecd4765bfaea8c8f1997ef6fca64361cec85c423bbda3f46
[INFO] running `Command { std: "docker" "start" "-a" "a9562517dfe06d55ecd4765bfaea8c8f1997ef6fca64361cec85c423bbda3f46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9562517dfe06d55ecd4765bfaea8c8f1997ef6fca64361cec85c423bbda3f46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9562517dfe06d55ecd4765bfaea8c8f1997ef6fca64361cec85c423bbda3f46", kill_on_drop: false }`
[INFO] [stdout] a9562517dfe06d55ecd4765bfaea8c8f1997ef6fca64361cec85c423bbda3f46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a485a661dafa54436ec45aebea9b81c7c52d488cb7d2ba3ac259f63db0e2db94
[INFO] running `Command { std: "docker" "start" "-a" "a485a661dafa54436ec45aebea9b81c7c52d488cb7d2ba3ac259f63db0e2db94", kill_on_drop: false }`
[INFO] [stderr]    Compiling calcver_example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "a485a661dafa54436ec45aebea9b81c7c52d488cb7d2ba3ac259f63db0e2db94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a485a661dafa54436ec45aebea9b81c7c52d488cb7d2ba3ac259f63db0e2db94", kill_on_drop: false }`
[INFO] [stdout] a485a661dafa54436ec45aebea9b81c7c52d488cb7d2ba3ac259f63db0e2db94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6cb3674346cc087ea712d1cb384b7d37ec6e822514b25c95b5393a1e3a9f9483
[INFO] running `Command { std: "docker" "start" "-a" "6cb3674346cc087ea712d1cb384b7d37ec6e822514b25c95b5393a1e3a9f9483", kill_on_drop: false }`
[INFO] [stderr]    Compiling calcver_example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "6cb3674346cc087ea712d1cb384b7d37ec6e822514b25c95b5393a1e3a9f9483", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cb3674346cc087ea712d1cb384b7d37ec6e822514b25c95b5393a1e3a9f9483", kill_on_drop: false }`
[INFO] [stdout] 6cb3674346cc087ea712d1cb384b7d37ec6e822514b25c95b5393a1e3a9f9483
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6d955eb8b97fd4955f11a95d5bd3f175617c01e99ab598c9aa3b2ca87aef3a51
[INFO] running `Command { std: "docker" "start" "-a" "6d955eb8b97fd4955f11a95d5bd3f175617c01e99ab598c9aa3b2ca87aef3a51", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.53s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/calcver_example-48453c30fdd4a002)
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/calcver_example-be0ec29ebb3e82c6)
[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] [stderr]    Doc-tests calcver_example
[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" "6d955eb8b97fd4955f11a95d5bd3f175617c01e99ab598c9aa3b2ca87aef3a51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d955eb8b97fd4955f11a95d5bd3f175617c01e99ab598c9aa3b2ca87aef3a51", kill_on_drop: false }`
[INFO] [stdout] 6d955eb8b97fd4955f11a95d5bd3f175617c01e99ab598c9aa3b2ca87aef3a51