[INFO] fetching crate calcver_example 0.1.0...
[INFO] testing calcver_example-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate calcver_example 0.1.0 into /workspace/builds/worker-16/source
[INFO] validating manifest of crates.io crate calcver_example 0.1.0 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 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-16/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] de00bd758ec8d33b35e1cc6a2634c41e0a64fc679fb46410c68f17c2d3c7c3b0
[INFO] running `Command { std: "docker" "start" "-a" "de00bd758ec8d33b35e1cc6a2634c41e0a64fc679fb46410c68f17c2d3c7c3b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de00bd758ec8d33b35e1cc6a2634c41e0a64fc679fb46410c68f17c2d3c7c3b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de00bd758ec8d33b35e1cc6a2634c41e0a64fc679fb46410c68f17c2d3c7c3b0", kill_on_drop: false }`
[INFO] [stdout] de00bd758ec8d33b35e1cc6a2634c41e0a64fc679fb46410c68f17c2d3c7c3b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] ebfc9036235d4c4d3977611d07504020d3c82a74a9a87ac9575f091158037db6
[INFO] running `Command { std: "docker" "start" "-a" "ebfc9036235d4c4d3977611d07504020d3c82a74a9a87ac9575f091158037db6", kill_on_drop: false }`
[INFO] [stderr]    Compiling calcver_example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "ebfc9036235d4c4d3977611d07504020d3c82a74a9a87ac9575f091158037db6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebfc9036235d4c4d3977611d07504020d3c82a74a9a87ac9575f091158037db6", kill_on_drop: false }`
[INFO] [stdout] ebfc9036235d4c4d3977611d07504020d3c82a74a9a87ac9575f091158037db6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] 2f26d90a1ee665445f973db4565302b537689076e98782bd17054ff22fe8f20f
[INFO] running `Command { std: "docker" "start" "-a" "2f26d90a1ee665445f973db4565302b537689076e98782bd17054ff22fe8f20f", kill_on_drop: false }`
[INFO] [stderr]    Compiling calcver_example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "2f26d90a1ee665445f973db4565302b537689076e98782bd17054ff22fe8f20f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f26d90a1ee665445f973db4565302b537689076e98782bd17054ff22fe8f20f", kill_on_drop: false }`
[INFO] [stdout] 2f26d90a1ee665445f973db4565302b537689076e98782bd17054ff22fe8f20f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] 9d11a7ac34fb1a0cfc307eb89574dae518eeb5c2b88619d7339e9ee0c5910dc9
[INFO] running `Command { std: "docker" "start" "-a" "9d11a7ac34fb1a0cfc307eb89574dae518eeb5c2b88619d7339e9ee0c5910dc9", 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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.96s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/calcver_example-3db37be127bc0160)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/calcver_example-036884ec32212ade)
[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] [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" "9d11a7ac34fb1a0cfc307eb89574dae518eeb5c2b88619d7339e9ee0c5910dc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d11a7ac34fb1a0cfc307eb89574dae518eeb5c2b88619d7339e9ee0c5910dc9", kill_on_drop: false }`
[INFO] [stdout] 9d11a7ac34fb1a0cfc307eb89574dae518eeb5c2b88619d7339e9ee0c5910dc9