[INFO] fetching crate flowrstructs 0.34.6...
[INFO] testing flowrstructs-0.34.6 against 1.55.0 for beta-1.56-1
[INFO] extracting crate flowrstructs 0.34.6 into /workspace/builds/worker-77/source
[INFO] validating manifest of crates.io crate flowrstructs 0.34.6 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 flowrstructs 0.34.6
[INFO] finished tweaking crates.io crate flowrstructs 0.34.6
[INFO] tweaked toml for crates.io crate flowrstructs 0.34.6 written to /workspace/builds/worker-77/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] 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-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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] f3754b42fd7ed733264e711a32485da6b344d5310503625e43513044cf71e0b9
[INFO] running `Command { std: "docker" "start" "-a" "f3754b42fd7ed733264e711a32485da6b344d5310503625e43513044cf71e0b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3754b42fd7ed733264e711a32485da6b344d5310503625e43513044cf71e0b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3754b42fd7ed733264e711a32485da6b344d5310503625e43513044cf71e0b9", kill_on_drop: false }`
[INFO] [stdout] f3754b42fd7ed733264e711a32485da6b344d5310503625e43513044cf71e0b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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] d2f56e0dfe11db1a6fc74ec03c48b01a7c3d7ffa767f97e54ed3530766c14c06
[INFO] running `Command { std: "docker" "start" "-a" "d2f56e0dfe11db1a6fc74ec03c48b01a7c3d7ffa767f97e54ed3530766c14c06", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling gimli v0.25.0
[INFO] [stderr]    Compiling curl v0.4.38
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.6
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling openssl-probe v0.1.4
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling tinyvec v1.3.1
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling object v0.26.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling openssl-sys v0.9.66
[INFO] [stderr]    Compiling curl-sys v0.4.45+curl-7.78.0
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling socket2 v0.4.1
[INFO] [stderr]    Compiling addr2line v0.16.0
[INFO] [stderr]    Compiling flow_impl v0.21.0
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling simpath v2.2.1
[INFO] [stderr]    Compiling provider v0.34.7
[INFO] [stderr]    Compiling flowrstructs v0.34.6 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `provider::content::provider`
[INFO] [stdout]  --> src/lib_manifest.rs:8:24
[INFO] [stdout]   |
[INFO] [stdout] 8 | use provider::content::provider::Provider;
[INFO] [stdout]   |                        ^^^^^^^^ could not find `provider` in `content`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `provider::content::provider`
[INFO] [stdout]  --> src/manifest.rs:5:24
[INFO] [stdout]   |
[INFO] [stdout] 5 | use provider::content::provider::Provider;
[INFO] [stdout]   |                        ^^^^^^^^ could not find `provider` in `content`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: module `content` is private
[INFO] [stdout]  --> src/lib_manifest.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 | use provider::content::provider::Provider;
[INFO] [stdout]   |               ^^^^^^^ private module
[INFO] [stdout]   |
[INFO] [stdout] note: the module `content` is defined here
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/provider-0.34.7/src/lib.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | mod content;
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: module `content` is private
[INFO] [stdout]  --> src/manifest.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | use provider::content::provider::Provider;
[INFO] [stdout]   |               ^^^^^^^ private module
[INFO] [stdout]   |
[INFO] [stdout] note: the module `content` is defined here
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/provider-0.34.7/src/lib.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | mod content;
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0603.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `flowrstructs` due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "d2f56e0dfe11db1a6fc74ec03c48b01a7c3d7ffa767f97e54ed3530766c14c06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2f56e0dfe11db1a6fc74ec03c48b01a7c3d7ffa767f97e54ed3530766c14c06", kill_on_drop: false }`
[INFO] [stdout] d2f56e0dfe11db1a6fc74ec03c48b01a7c3d7ffa767f97e54ed3530766c14c06