[INFO] fetching crate graphfind-rs 0.1.0...
[INFO] checking graphfind-rs-0.1.0 against master#8a703520e80d87d4423c01f9d4fbc9e5f6533a02 for pr-154205-1
[INFO] extracting crate graphfind-rs 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate graphfind-rs 0.1.0
[INFO] finished tweaking crates.io crate graphfind-rs 0.1.0
[INFO] tweaked toml for crates.io crate graphfind-rs 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate graphfind-rs 0.1.0 on toolchain 8a703520e80d87d4423c01f9d4fbc9e5f6533a02
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 79 packages to latest compatible versions
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] [stderr]       Adding graphviz-rust v0.6.6 (available: v0.9.7)
[INFO] [stderr]       Adding petgraph v0.6.5 (available: v0.8.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dot-generator v0.2.0
[INFO] [stderr]   Downloaded dot-structures v0.1.2
[INFO] [stderr]   Downloaded into-attr v0.1.1
[INFO] [stderr]   Downloaded pest_derive v2.8.6
[INFO] [stderr]   Downloaded pest_meta v2.8.6
[INFO] [stderr]   Downloaded bimap v0.6.3
[INFO] [stderr]   Downloaded graphviz-rust v0.6.6
[INFO] [stderr]   Downloaded pest_generator v2.8.6
[INFO] [stderr]   Downloaded test_dir v0.2.0
[INFO] [stderr]   Downloaded into-attr-derive v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48812b903337d9c2845a040b7a8b65b6ad7dd043dc168a02352ba490bc99d6e0
[INFO] running `Command { std: "docker" "start" "-a" "48812b903337d9c2845a040b7a8b65b6ad7dd043dc168a02352ba490bc99d6e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48812b903337d9c2845a040b7a8b65b6ad7dd043dc168a02352ba490bc99d6e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48812b903337d9c2845a040b7a8b65b6ad7dd043dc168a02352ba490bc99d6e0", kill_on_drop: false }`
[INFO] [stdout] 48812b903337d9c2845a040b7a8b65b6ad7dd043dc168a02352ba490bc99d6e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc6159218561aace1de63eb02015f2ef0145a46293392d68af1600ddd4f0a7dd
[INFO] running `Command { std: "docker" "start" "-a" "bc6159218561aace1de63eb02015f2ef0145a46293392d68af1600ddd4f0a7dd", kill_on_drop: false }`
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]     Checking serde_json v1.0.149
[INFO] [stderr]     Checking bimap v0.6.3
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking test_dir v0.2.0
[INFO] [stderr]     Checking petgraph v0.6.5
[INFO] [stderr]     Checking graphfind-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: feature `type_alias_impl_trait` is declared but not used
[INFO] [stdout]   --> src/lib.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![feature(type_alias_impl_trait)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `type_alias_impl_trait` is declared but not used
[INFO] [stdout]   --> src/lib.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![feature(type_alias_impl_trait)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.65s
[INFO] running `Command { std: "docker" "inspect" "bc6159218561aace1de63eb02015f2ef0145a46293392d68af1600ddd4f0a7dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc6159218561aace1de63eb02015f2ef0145a46293392d68af1600ddd4f0a7dd", kill_on_drop: false }`
[INFO] [stdout] bc6159218561aace1de63eb02015f2ef0145a46293392d68af1600ddd4f0a7dd