[INFO] fetching crate time_varying_graph 0.1.3...
[INFO] checking time_varying_graph-0.1.3 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate time_varying_graph 0.1.3 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate time_varying_graph 0.1.3
[INFO] finished tweaking crates.io crate time_varying_graph 0.1.3
[INFO] tweaked toml for crates.io crate time_varying_graph 0.1.3 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate time_varying_graph 0.1.3 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 58 packages to latest compatible versions
[INFO] [stderr]       Adding indexmap v1.9.3 (available: v2.10.0)
[INFO] [stderr]       Adding petgraph v0.6.5 (available: v0.8.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded allen_interval_algebra v0.1.2
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a0973b127b850369c9d5e121096cbfeef76bff3ea20b3c260f4c97993995b16
[INFO] running `Command { std: "docker" "start" "-a" "3a0973b127b850369c9d5e121096cbfeef76bff3ea20b3c260f4c97993995b16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a0973b127b850369c9d5e121096cbfeef76bff3ea20b3c260f4c97993995b16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a0973b127b850369c9d5e121096cbfeef76bff3ea20b3c260f4c97993995b16", kill_on_drop: false }`
[INFO] [stdout] 3a0973b127b850369c9d5e121096cbfeef76bff3ea20b3c260f4c97993995b16
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c47b97d67e1df6e3121d53231f1d1a723808fd4942a8ff101c56b808d9cfaa94
[INFO] running `Command { std: "docker" "start" "-a" "c47b97d67e1df6e3121d53231f1d1a723808fd4942a8ff101c56b808d9cfaa94", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]     Checking mio v1.0.4
[INFO] [stderr]     Checking petgraph v0.6.5
[INFO] [stderr]     Checking allen_interval_algebra v0.1.2
[INFO] [stderr]     Checking parking_lot v0.12.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]     Checking tokio v1.45.1
[INFO] [stderr]     Checking serde_json v1.0.140
[INFO] [stderr]     Checking time_varying_graph v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `petgraph::visit::IntoEdges`
[INFO] [stdout]   --> src/tvg.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 83 | use petgraph::visit::IntoEdges;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `ret` is never read
[INFO] [stdout]    --> src/tvg.rs:279:17
[INFO] [stdout]     |
[INFO] [stdout] 279 |         let mut ret = String::new();
[INFO] [stdout]     |                 ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `petgraph::visit::IntoEdges`
[INFO] [stdout]   --> src/tvg.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 83 | use petgraph::visit::IntoEdges;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `ret` is never read
[INFO] [stdout]    --> src/tvg.rs:279:17
[INFO] [stdout]     |
[INFO] [stdout] 279 |         let mut ret = String::new();
[INFO] [stdout]     |                 ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]    --> src/lib.rs:172:34
[INFO] [stdout]     |
[INFO] [stdout] 172 |         while let Ok((node_name, path)) = receiver.recv() {
[INFO] [stdout]     |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.72s
[INFO] running `Command { std: "docker" "inspect" "c47b97d67e1df6e3121d53231f1d1a723808fd4942a8ff101c56b808d9cfaa94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c47b97d67e1df6e3121d53231f1d1a723808fd4942a8ff101c56b808d9cfaa94", kill_on_drop: false }`
[INFO] [stdout] c47b97d67e1df6e3121d53231f1d1a723808fd4942a8ff101c56b808d9cfaa94