[INFO] fetching crate graphene 0.1.5...
[INFO] checking graphene-0.1.5 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate graphene 0.1.5 into /workspace/builds/worker-56/source
[INFO] validating manifest of crates.io crate graphene 0.1.5 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate graphene 0.1.5
[INFO] finished tweaking crates.io crate graphene 0.1.5
[INFO] tweaked toml for crates.io crate graphene 0.1.5 written to /workspace/builds/worker-56/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "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" "+beta-2021-10-15" "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-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f8d339fbb1d5232b0712e4f9d5fbf000c52f5ee78ea06096995a32d3c10a87ce
[INFO] running `Command { std: "docker" "start" "-a" "f8d339fbb1d5232b0712e4f9d5fbf000c52f5ee78ea06096995a32d3c10a87ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8d339fbb1d5232b0712e4f9d5fbf000c52f5ee78ea06096995a32d3c10a87ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8d339fbb1d5232b0712e4f9d5fbf000c52f5ee78ea06096995a32d3c10a87ce", kill_on_drop: false }`
[INFO] [stdout] f8d339fbb1d5232b0712e4f9d5fbf000c52f5ee78ea06096995a32d3c10a87ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33e9942c3ed50d4f3f13976b7302e29be802dc5b37f77c10189f7b808c559636
[INFO] running `Command { std: "docker" "start" "-a" "33e9942c3ed50d4f3f13976b7302e29be802dc5b37f77c10189f7b808c559636", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking graphene v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking quickcheck v0.6.2
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/arbitraries/arbitrary_graph_description.rs:78:26
[INFO] [stdout]    |
[INFO] [stdout] 78 |     fn shrink(&self) -> Box<Iterator<Item=Self>> {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Self>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> tests/core/mod.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | / ///
[INFO] [stdout] 25 | | /// Used to test the default implementations of Graph traits.
[INFO] [stdout] 26 | | ///
[INFO] [stdout] 27 | | /// Wraps AdjListGraph which provides an implementation for the required methods
[INFO] [stdout] ...  |
[INFO] [stdout] 30 | | ///
[INFO] [stdout] 31 | | ///
[INFO] [stdout]    | |_--^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.30s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "33e9942c3ed50d4f3f13976b7302e29be802dc5b37f77c10189f7b808c559636", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33e9942c3ed50d4f3f13976b7302e29be802dc5b37f77c10189f7b808c559636", kill_on_drop: false }`
[INFO] [stdout] 33e9942c3ed50d4f3f13976b7302e29be802dc5b37f77c10189f7b808c559636
