[INFO] fetching crate flat 0.0.0...
[INFO] testing flat-0.0.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate flat 0.0.0 into /workspace/builds/worker-51/source
[INFO] validating manifest of crates.io crate flat 0.0.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flat 0.0.0
[INFO] finished tweaking crates.io crate flat 0.0.0
[INFO] tweaked toml for crates.io crate flat 0.0.0 written to /workspace/builds/worker-51/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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" "+1.60.0" "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-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 383249c190d7998fd182b2ebcf77732df2ffeacf53e4002ed311704baf853470
[INFO] running `Command { std: "docker" "start" "-a" "383249c190d7998fd182b2ebcf77732df2ffeacf53e4002ed311704baf853470", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "383249c190d7998fd182b2ebcf77732df2ffeacf53e4002ed311704baf853470", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "383249c190d7998fd182b2ebcf77732df2ffeacf53e4002ed311704baf853470", kill_on_drop: false }`
[INFO] [stdout] 383249c190d7998fd182b2ebcf77732df2ffeacf53e4002ed311704baf853470
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f9fa6b4c83b96e992a82c9a6f802a90198eab231d3c64f523be2ef5ea33183a
[INFO] running `Command { std: "docker" "start" "-a" "2f9fa6b4c83b96e992a82c9a6f802a90198eab231d3c64f523be2ef5ea33183a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling flat v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "2f9fa6b4c83b96e992a82c9a6f802a90198eab231d3c64f523be2ef5ea33183a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f9fa6b4c83b96e992a82c9a6f802a90198eab231d3c64f523be2ef5ea33183a", kill_on_drop: false }`
[INFO] [stdout] 2f9fa6b4c83b96e992a82c9a6f802a90198eab231d3c64f523be2ef5ea33183a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d8c65df897072a6ade3647e7ae7a2e2f609c4901cc22cbd4eb57a12f748dd38
[INFO] running `Command { std: "docker" "start" "-a" "3d8c65df897072a6ade3647e7ae7a2e2f609c4901cc22cbd4eb57a12f748dd38", kill_on_drop: false }`
[INFO] [stderr]    Compiling flat v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `Command { std: "docker" "inspect" "3d8c65df897072a6ade3647e7ae7a2e2f609c4901cc22cbd4eb57a12f748dd38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d8c65df897072a6ade3647e7ae7a2e2f609c4901cc22cbd4eb57a12f748dd38", kill_on_drop: false }`
[INFO] [stdout] 3d8c65df897072a6ade3647e7ae7a2e2f609c4901cc22cbd4eb57a12f748dd38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 733c22a0eb60721d41ac6cc34370f84033fd6f9ad0538c379b6f884a615fc058
[INFO] running `Command { std: "docker" "start" "-a" "733c22a0eb60721d41ac6cc34370f84033fd6f9ad0538c379b6f884a615fc058", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/flat-71fe231dacfa388b)
[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 flat
[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" "733c22a0eb60721d41ac6cc34370f84033fd6f9ad0538c379b6f884a615fc058", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "733c22a0eb60721d41ac6cc34370f84033fd6f9ad0538c379b6f884a615fc058", kill_on_drop: false }`
[INFO] [stdout] 733c22a0eb60721d41ac6cc34370f84033fd6f9ad0538c379b6f884a615fc058