[INFO] fetching crate meshed 0.2.1...
[INFO] checking meshed-0.2.1 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate meshed 0.2.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate meshed 0.2.1 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate meshed 0.2.1
[INFO] finished tweaking crates.io crate meshed 0.2.1
[INFO] tweaked toml for crates.io crate meshed 0.2.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 11 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dot v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e2e7ddcf1c8eb2c6d6fc6806da827bc995ec3e2d03f8de60c81dbb5a63c1cca8
[INFO] running `Command { std: "docker" "start" "-a" "e2e7ddcf1c8eb2c6d6fc6806da827bc995ec3e2d03f8de60c81dbb5a63c1cca8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2e7ddcf1c8eb2c6d6fc6806da827bc995ec3e2d03f8de60c81dbb5a63c1cca8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2e7ddcf1c8eb2c6d6fc6806da827bc995ec3e2d03f8de60c81dbb5a63c1cca8", kill_on_drop: false }`
[INFO] [stdout] e2e7ddcf1c8eb2c6d6fc6806da827bc995ec3e2d03f8de60c81dbb5a63c1cca8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c049338e84a394463dc76d2a453b766b759004b0eb3ea433ca2c82aed751ea5
[INFO] running `Command { std: "docker" "start" "-a" "5c049338e84a394463dc76d2a453b766b759004b0eb3ea433ca2c82aed751ea5", kill_on_drop: false }`
[INFO] [stderr]     Checking dot v0.1.4
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking meshed v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `AbstractGraph` is never used
[INFO] [stdout]    --> src/graph.rs:127:7
[INFO] [stdout]     |
[INFO] [stdout] 127 | trait AbstractGraph {
[INFO] [stdout]     |       ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `AbstractGraph` is never used
[INFO] [stdout]    --> src/graph.rs:127:7
[INFO] [stdout]     |
[INFO] [stdout] 127 | trait AbstractGraph {
[INFO] [stdout]     |       ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `SimpleGraph` is never used
[INFO] [stdout]    --> src/graph.rs:289:10
[INFO] [stdout]     |
[INFO] [stdout] 289 |     type SimpleGraph = Graph<SimpleGraphDefinition>;
[INFO] [stdout]     |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `TestGraph` is never used
[INFO] [stdout]    --> src/graph.rs:340:10
[INFO] [stdout]     |
[INFO] [stdout] 340 |     type TestGraph = Graph<SimpleGraph>;
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.12s
[INFO] running `Command { std: "docker" "inspect" "5c049338e84a394463dc76d2a453b766b759004b0eb3ea433ca2c82aed751ea5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c049338e84a394463dc76d2a453b766b759004b0eb3ea433ca2c82aed751ea5", kill_on_drop: false }`
[INFO] [stdout] 5c049338e84a394463dc76d2a453b766b759004b0eb3ea433ca2c82aed751ea5