[INFO] cloning repository https://github.com/Wang-Ji20/rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Wang-Ji20/rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWang-Ji20%2Frust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWang-Ji20%2Frust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e06bb33aaa236d52fd8e9a1eec46e57f45dc75f3
[INFO] testing Wang-Ji20/rust against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWang-Ji20%2Frust" "/workspace/builds/worker-47/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-47/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Wang-Ji20/rust 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 git repo https://github.com/Wang-Ji20/rust
[INFO] finished tweaking git repo https://github.com/Wang-Ji20/rust
[INFO] tweaked toml for git repo https://github.com/Wang-Ji20/rust written to /workspace/builds/worker-47/source/Cargo.toml
[INFO] crate git repo https://github.com/Wang-Ji20/rust 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-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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] 0e90644d9aa2fee2152adbba736b131a689d20f5d5d4166df0b16b249e31cc46
[INFO] running `Command { std: "docker" "start" "-a" "0e90644d9aa2fee2152adbba736b131a689d20f5d5d4166df0b16b249e31cc46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e90644d9aa2fee2152adbba736b131a689d20f5d5d4166df0b16b249e31cc46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e90644d9aa2fee2152adbba736b131a689d20f5d5d4166df0b16b249e31cc46", kill_on_drop: false }`
[INFO] [stdout] 0e90644d9aa2fee2152adbba736b131a689d20f5d5d4166df0b16b249e31cc46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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] 50aaade35ff0270273b277aa2a0acd2ae991e20c23941f2c959d269a9caae1e6
[INFO] running `Command { std: "docker" "start" "-a" "50aaade35ff0270273b277aa2a0acd2ae991e20c23941f2c959d269a9caae1e6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling hello v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.73s
[INFO] running `Command { std: "docker" "inspect" "50aaade35ff0270273b277aa2a0acd2ae991e20c23941f2c959d269a9caae1e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50aaade35ff0270273b277aa2a0acd2ae991e20c23941f2c959d269a9caae1e6", kill_on_drop: false }`
[INFO] [stdout] 50aaade35ff0270273b277aa2a0acd2ae991e20c23941f2c959d269a9caae1e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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] c4ab1a0058389a306a327b67ff4a0b5e87a81d0af253f93fb8b785616588a2f6
[INFO] running `Command { std: "docker" "start" "-a" "c4ab1a0058389a306a327b67ff4a0b5e87a81d0af253f93fb8b785616588a2f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "c4ab1a0058389a306a327b67ff4a0b5e87a81d0af253f93fb8b785616588a2f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4ab1a0058389a306a327b67ff4a0b5e87a81d0af253f93fb8b785616588a2f6", kill_on_drop: false }`
[INFO] [stdout] c4ab1a0058389a306a327b67ff4a0b5e87a81d0af253f93fb8b785616588a2f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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] cceb75fde12e6ef5b34785b08bd05d29f9ef3e2085b36b99ec01e7ac5a9b18d8
[INFO] running `Command { std: "docker" "start" "-a" "cceb75fde12e6ef5b34785b08bd05d29f9ef3e2085b36b99ec01e7ac5a9b18d8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.52s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hello-cca486e4ec3e887b)
[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" "cceb75fde12e6ef5b34785b08bd05d29f9ef3e2085b36b99ec01e7ac5a9b18d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cceb75fde12e6ef5b34785b08bd05d29f9ef3e2085b36b99ec01e7ac5a9b18d8", kill_on_drop: false }`
[INFO] [stdout] cceb75fde12e6ef5b34785b08bd05d29f9ef3e2085b36b99ec01e7ac5a9b18d8