[INFO] fetching crate kumagraph 0.0.1...
[INFO] checking kumagraph-0.0.1 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate kumagraph 0.0.1 into /workspace/builds/worker-79/source
[INFO] validating manifest of crates.io crate kumagraph 0.0.1 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kumagraph 0.0.1
[INFO] finished tweaking crates.io crate kumagraph 0.0.1
[INFO] tweaked toml for crates.io crate kumagraph 0.0.1 written to /workspace/builds/worker-79/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "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" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "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-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b58d961531cfa9a96ad80badbc7fa1a438f052fe3cf276b9e291da54b6ef2cc
[INFO] running `Command { std: "docker" "start" "-a" "1b58d961531cfa9a96ad80badbc7fa1a438f052fe3cf276b9e291da54b6ef2cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b58d961531cfa9a96ad80badbc7fa1a438f052fe3cf276b9e291da54b6ef2cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b58d961531cfa9a96ad80badbc7fa1a438f052fe3cf276b9e291da54b6ef2cc", kill_on_drop: false }`
[INFO] [stdout] 1b58d961531cfa9a96ad80badbc7fa1a438f052fe3cf276b9e291da54b6ef2cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8281d5bf80507d889d8eda271e265bab1db28a142dcb303aa59a6f0665d22c8e
[INFO] running `Command { std: "docker" "start" "-a" "8281d5bf80507d889d8eda271e265bab1db28a142dcb303aa59a6f0665d22c8e", kill_on_drop: false }`
[INFO] [stderr]     Checking kumagraph v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `GraphError`
[INFO] [stdout]    --> src/lib.rs:140:24
[INFO] [stdout]     |
[INFO] [stdout] 140 |     use crate::{Graph, GraphError};
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "8281d5bf80507d889d8eda271e265bab1db28a142dcb303aa59a6f0665d22c8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8281d5bf80507d889d8eda271e265bab1db28a142dcb303aa59a6f0665d22c8e", kill_on_drop: false }`
[INFO] [stdout] 8281d5bf80507d889d8eda271e265bab1db28a142dcb303aa59a6f0665d22c8e