[INFO] fetching crate genome-graph 0.1.0...
[INFO] checking genome-graph-0.1.0 against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] extracting crate genome-graph 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate genome-graph 0.1.0 on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate genome-graph 0.1.0
[INFO] finished tweaking crates.io crate genome-graph 0.1.0
[INFO] tweaked toml for crates.io crate genome-graph 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bv v0.11.1
[INFO] [stderr]   Downloaded opaque_typedef_macros v0.0.5
[INFO] [stderr]   Downloaded bio-types v0.7.0
[INFO] [stderr]   Downloaded opaque_typedef v0.0.5
[INFO] [stderr]   Downloaded bio v0.31.0
[INFO] [stderr]   Downloaded compact-genome v0.1.0
[INFO] [stderr]   Downloaded bigraph v0.1.0
[INFO] [stderr]   Downloaded multimap v0.6.0
[INFO] [stderr]   Downloaded traitgraph v0.1.0
[INFO] [stderr]   Downloaded statrs v0.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ce2ca21fb77ca002603b7928d3fabf4dc8386b3de9558aabf8f22bec1b8f37c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2ce2ca21fb77ca002603b7928d3fabf4dc8386b3de9558aabf8f22bec1b8f37c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ce2ca21fb77ca002603b7928d3fabf4dc8386b3de9558aabf8f22bec1b8f37c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ce2ca21fb77ca002603b7928d3fabf4dc8386b3de9558aabf8f22bec1b8f37c", kill_on_drop: false }`
[INFO] [stdout] 2ce2ca21fb77ca002603b7928d3fabf4dc8386b3de9558aabf8f22bec1b8f37c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e846013ef41bf939132576c508d916c410375477b4f60bb181d15c0ae435905
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7e846013ef41bf939132576c508d916c410375477b4f60bb181d15c0ae435905", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling feature-probe v0.1.1
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling strum v0.15.0
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking object v0.22.0
[INFO] [stderr]    Compiling bio v0.31.0
[INFO] [stderr]     Checking ordermap v0.3.5
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking bytecount v0.6.1
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]     Checking opaque_typedef v0.0.5
[INFO] [stderr]     Checking strum v0.18.0
[INFO] [stderr]     Checking compact-genome v0.1.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling bv v0.11.1
[INFO] [stderr]    Compiling strum_macros v0.15.0
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking statrs v0.12.0
[INFO] [stderr]    Compiling newtype_derive v0.1.6
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling syn v1.0.50
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking ordered-float v1.1.0
[INFO] [stderr]     Checking itertools-num v0.1.3
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking traitgraph v0.1.0
[INFO] [stderr]    Compiling opaque_typedef_macros v0.0.5
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/traitgraph-0.1.0/src/algo/traversal.rs:92:35
[INFO] [stdout]    |
[INFO] [stdout] 92 |                 if *rank_entry == None.into() {
[INFO] [stdout]    |                                   ^^^^ cannot infer type for type parameter `T` declared on the enum `Option`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/traitgraph-0.1.0/src/algo/traversal.rs:161:38
[INFO] [stdout]     |
[INFO] [stdout] 161 |             } else if *rank_entry == None.into() {
[INFO] [stdout]     |                                      ^^^^ cannot infer type for type parameter `T` declared on the enum `Option`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `traitgraph`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "7e846013ef41bf939132576c508d916c410375477b4f60bb181d15c0ae435905", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e846013ef41bf939132576c508d916c410375477b4f60bb181d15c0ae435905", kill_on_drop: false }`
[INFO] [stdout] 7e846013ef41bf939132576c508d916c410375477b4f60bb181d15c0ae435905