[INFO] cloning repository https://github.com/retep007/profile
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/retep007/profile" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fretep007%2Fprofile", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fretep007%2Fprofile'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1ab25bde3eaaacc969b357fb340dd1b21953993c
[INFO] checking retep007/profile against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fretep007%2Fprofile" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/retep007/profile on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/retep007/profile
[INFO] finished tweaking git repo https://github.com/retep007/profile
[INFO] tweaked toml for git repo https://github.com/retep007/profile written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/retep007/profile already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 951b3f0f723affc0d70d1617b755a614575d1aa49226992804db9833a26f5c24
[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" "951b3f0f723affc0d70d1617b755a614575d1aa49226992804db9833a26f5c24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "951b3f0f723affc0d70d1617b755a614575d1aa49226992804db9833a26f5c24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "951b3f0f723affc0d70d1617b755a614575d1aa49226992804db9833a26f5c24", kill_on_drop: false }`
[INFO] [stdout] 951b3f0f723affc0d70d1617b755a614575d1aa49226992804db9833a26f5c24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ac39d0cd6e0f388162d6d5b3603d0d5dfde9b0889cf97bf440e4c2146f2299b
[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" "0ac39d0cd6e0f388162d6d5b3603d0d5dfde9b0889cf97bf440e4c2146f2299b", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]     Checking arc-swap v0.4.5
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]    Compiling anyhow v1.0.28
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking dtoa v0.4.5
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling bytes v0.5.4
[INFO] [stderr]     Checking tower-layer v0.3.0
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling multimap v0.8.1
[INFO] [stderr]     Checking bencher v0.1.5
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]     Checking base64 v0.12.0
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking urlencoding v1.0.0
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking cost_flow v0.1.0 (/opt/rustwide/workdir/components/cost_flow)
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking tracing-core v0.1.10
[INFO] [stderr]     Checking input_buffer v0.3.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stdout] error: field is never read: `index`
[INFO] [stdout]   --> components/cost_flow/src/lib.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 65 |     index: NodeIndex,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> components/cost_flow/src/lib.rs:1:9
[INFO] [stdout]    |
[INFO] [stdout] 1  | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(dead_code)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cost_flow` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "0ac39d0cd6e0f388162d6d5b3603d0d5dfde9b0889cf97bf440e4c2146f2299b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ac39d0cd6e0f388162d6d5b3603d0d5dfde9b0889cf97bf440e4c2146f2299b", kill_on_drop: false }`
[INFO] [stdout] 0ac39d0cd6e0f388162d6d5b3603d0d5dfde9b0889cf97bf440e4c2146f2299b