[INFO] fetching crate flat-json 0.1.0...
[INFO] testing flat-json-0.1.0 against 1.54.0 for beta-1.55-1
[INFO] extracting crate flat-json 0.1.0 into /workspace/builds/worker-110/source
[INFO] validating manifest of crates.io crate flat-json 0.1.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flat-json 0.1.0
[INFO] finished tweaking crates.io crate flat-json 0.1.0
[INFO] tweaked toml for crates.io crate flat-json 0.1.0 written to /workspace/builds/worker-110/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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" "+1.54.0" "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-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0289aac7237b11fbeb12d3f761474c13a9c4330edfa14115b086d0abd4da16ca
[INFO] running `Command { std: "docker" "start" "-a" "0289aac7237b11fbeb12d3f761474c13a9c4330edfa14115b086d0abd4da16ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0289aac7237b11fbeb12d3f761474c13a9c4330edfa14115b086d0abd4da16ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0289aac7237b11fbeb12d3f761474c13a9c4330edfa14115b086d0abd4da16ca", kill_on_drop: false }`
[INFO] [stdout] 0289aac7237b11fbeb12d3f761474c13a9c4330edfa14115b086d0abd4da16ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 155f80f1e41d02ad0bf2fbc49102ac111bb485d7cb255f1aca19728bf43aa5c8
[INFO] running `Command { std: "docker" "start" "-a" "155f80f1e41d02ad0bf2fbc49102ac111bb485d7cb255f1aca19728bf43aa5c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v0.8.23
[INFO] [stderr]    Compiling itoa v0.1.1
[INFO] [stderr]    Compiling dtoa v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling serde_json v0.8.6
[INFO] [stderr]    Compiling flat-json v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.51s
[INFO] running `Command { std: "docker" "inspect" "155f80f1e41d02ad0bf2fbc49102ac111bb485d7cb255f1aca19728bf43aa5c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "155f80f1e41d02ad0bf2fbc49102ac111bb485d7cb255f1aca19728bf43aa5c8", kill_on_drop: false }`
[INFO] [stdout] 155f80f1e41d02ad0bf2fbc49102ac111bb485d7cb255f1aca19728bf43aa5c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ab0fdd52e94d4bc4948ab6d451b6fb1dbed11c8d7bdd5137f3051f723e6c246
[INFO] running `Command { std: "docker" "start" "-a" "4ab0fdd52e94d4bc4948ab6d451b6fb1dbed11c8d7bdd5137f3051f723e6c246", kill_on_drop: false }`
[INFO] [stderr]    Compiling flat-json v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "4ab0fdd52e94d4bc4948ab6d451b6fb1dbed11c8d7bdd5137f3051f723e6c246", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ab0fdd52e94d4bc4948ab6d451b6fb1dbed11c8d7bdd5137f3051f723e6c246", kill_on_drop: false }`
[INFO] [stdout] 4ab0fdd52e94d4bc4948ab6d451b6fb1dbed11c8d7bdd5137f3051f723e6c246
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7d2ce6d5ffda0ae48ded48f127f21878a42e676397996ea47a8a64d0dddb7489
[INFO] running `Command { std: "docker" "start" "-a" "7d2ce6d5ffda0ae48ded48f127f21878a42e676397996ea47a8a64d0dddb7489", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.43s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/flat_json-35c22afd510d8b20)
[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" "7d2ce6d5ffda0ae48ded48f127f21878a42e676397996ea47a8a64d0dddb7489", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d2ce6d5ffda0ae48ded48f127f21878a42e676397996ea47a8a64d0dddb7489", kill_on_drop: false }`
[INFO] [stdout] 7d2ce6d5ffda0ae48ded48f127f21878a42e676397996ea47a8a64d0dddb7489
