[INFO] cloning repository https://github.com/shepmaster/snafu-upgrade-assistant
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shepmaster/snafu-upgrade-assistant" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshepmaster%2Fsnafu-upgrade-assistant", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshepmaster%2Fsnafu-upgrade-assistant'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 35f8a7a01d0f8c976ef69fe2da961c689b56165f
[INFO] testing shepmaster/snafu-upgrade-assistant against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshepmaster%2Fsnafu-upgrade-assistant" "/workspace/builds/worker-92/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-92/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shepmaster/snafu-upgrade-assistant 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] removed /workspace/builds/worker-92/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/shepmaster/snafu-upgrade-assistant
[INFO] finished tweaking git repo https://github.com/shepmaster/snafu-upgrade-assistant
[INFO] tweaked toml for git repo https://github.com/shepmaster/snafu-upgrade-assistant written to /workspace/builds/worker-92/source/Cargo.toml
[INFO] crate git repo https://github.com/shepmaster/snafu-upgrade-assistant already has a lockfile, it will not be regenerated
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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] 9f9eb3cf7ad9bea545d46a14f0d5ed3d6e5ae4e76a76c8118f9613a1d6cec881
[INFO] running `Command { std: "docker" "start" "-a" "9f9eb3cf7ad9bea545d46a14f0d5ed3d6e5ae4e76a76c8118f9613a1d6cec881", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f9eb3cf7ad9bea545d46a14f0d5ed3d6e5ae4e76a76c8118f9613a1d6cec881", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f9eb3cf7ad9bea545d46a14f0d5ed3d6e5ae4e76a76c8118f9613a1d6cec881", kill_on_drop: false }`
[INFO] [stdout] 9f9eb3cf7ad9bea545d46a14f0d5ed3d6e5ae4e76a76c8118f9613a1d6cec881
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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] 4f7e66d088303a7b228d1f6cf13a49d510621f406c3b7753aa55ce50d39e5ec6
[INFO] running `Command { std: "docker" "start" "-a" "4f7e66d088303a7b228d1f6cf13a49d510621f406c3b7753aa55ce50d39e5ec6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling argh_shared v0.1.4
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling itertools v0.10.0
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling argh_derive v0.1.4
[INFO] [stderr]    Compiling argh v0.1.4
[INFO] [stderr]    Compiling snafu-upgrade-assistant v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.35s
[INFO] running `Command { std: "docker" "inspect" "4f7e66d088303a7b228d1f6cf13a49d510621f406c3b7753aa55ce50d39e5ec6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f7e66d088303a7b228d1f6cf13a49d510621f406c3b7753aa55ce50d39e5ec6", kill_on_drop: false }`
[INFO] [stdout] 4f7e66d088303a7b228d1f6cf13a49d510621f406c3b7753aa55ce50d39e5ec6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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] 97894ce36e489c69fcda121d5c6d704dbfa6a0d8637ad3f5f9ad7f56b381d0c9
[INFO] running `Command { std: "docker" "start" "-a" "97894ce36e489c69fcda121d5c6d704dbfa6a0d8637ad3f5f9ad7f56b381d0c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling snafu-upgrade-assistant v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "97894ce36e489c69fcda121d5c6d704dbfa6a0d8637ad3f5f9ad7f56b381d0c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97894ce36e489c69fcda121d5c6d704dbfa6a0d8637ad3f5f9ad7f56b381d0c9", kill_on_drop: false }`
[INFO] [stdout] 97894ce36e489c69fcda121d5c6d704dbfa6a0d8637ad3f5f9ad7f56b381d0c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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] 0b2304c28634a785b3ae21b2d76db0217860ff7fa4b8d7d1d26fc75288e8c4fc
[INFO] running `Command { std: "docker" "start" "-a" "0b2304c28634a785b3ae21b2d76db0217860ff7fa4b8d7d1d26fc75288e8c4fc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/snafu_upgrade_assistant-651e171b995b8abd)
[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" "0b2304c28634a785b3ae21b2d76db0217860ff7fa4b8d7d1d26fc75288e8c4fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b2304c28634a785b3ae21b2d76db0217860ff7fa4b8d7d1d26fc75288e8c4fc", kill_on_drop: false }`
[INFO] [stdout] 0b2304c28634a785b3ae21b2d76db0217860ff7fa4b8d7d1d26fc75288e8c4fc