[INFO] fetching crate flowrstructs 0.34.6...
[INFO] testing flowrstructs-0.34.6 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate flowrstructs 0.34.6 into /workspace/builds/worker-26/source
[INFO] validating manifest of crates.io crate flowrstructs 0.34.6 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-26/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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" "+722e1797249a965b6335aebd65d777f917e498f1" "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-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6ec1b63d1ccdecc10f09405f597ffbc09e256316b8bbbf1020b47f34f3746fe6
[INFO] running `Command { std: "docker" "start" "-a" "6ec1b63d1ccdecc10f09405f597ffbc09e256316b8bbbf1020b47f34f3746fe6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ec1b63d1ccdecc10f09405f597ffbc09e256316b8bbbf1020b47f34f3746fe6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ec1b63d1ccdecc10f09405f597ffbc09e256316b8bbbf1020b47f34f3746fe6", kill_on_drop: false }`
[INFO] [stdout] 6ec1b63d1ccdecc10f09405f597ffbc09e256316b8bbbf1020b47f34f3746fe6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 786a1ed9e95a50122a44af385e279474a61f2abfedb4deccfe4aa092e6ebed9a
[INFO] running `Command { std: "docker" "start" "-a" "786a1ed9e95a50122a44af385e279474a61f2abfedb4deccfe4aa092e6ebed9a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling pkg-config v0.3.22
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling gimli v0.26.1
[INFO] [stderr]    Compiling serde_json v1.0.71
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling backtrace v0.3.63
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling socket2 v0.4.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling object v0.27.1
[INFO] [stderr]    Compiling openssl-sys v0.9.71
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling curl-sys v0.4.50+curl-7.79.1
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling addr2line v0.17.0
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling flow_impl v0.21.0
[INFO] [stderr]    Compiling curl v0.4.40
[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] warning: unused attribute `doc`
[INFO] [stdout]   --> src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | #[doc(hidden)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] note: the built-in attribute `doc` will be ignored, since it's applied to the macro invocation `error_chain`
[INFO] [stdout]   --> src/lib.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | error_chain! {
[INFO] [stdout]    | ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted
[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; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "786a1ed9e95a50122a44af385e279474a61f2abfedb4deccfe4aa092e6ebed9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "786a1ed9e95a50122a44af385e279474a61f2abfedb4deccfe4aa092e6ebed9a", kill_on_drop: false }`
[INFO] [stdout] 786a1ed9e95a50122a44af385e279474a61f2abfedb4deccfe4aa092e6ebed9a