[INFO] fetching crate time_varying_graph 0.1.3...
[INFO] checking time_varying_graph-0.1.3 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate time_varying_graph 0.1.3 into /workspace/builds/worker-1-tc2/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-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate time_varying_graph 0.1.3 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 59 packages to latest compatible versions
[INFO] [stderr]       Adding indexmap v1.9.3 (available: v2.11.0)
[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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02716a27f31030310952ed5ec036e2019334f214669f0db63be9fdeec33beb0b
[INFO] running `Command { std: "docker" "start" "-a" "02716a27f31030310952ed5ec036e2019334f214669f0db63be9fdeec33beb0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02716a27f31030310952ed5ec036e2019334f214669f0db63be9fdeec33beb0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02716a27f31030310952ed5ec036e2019334f214669f0db63be9fdeec33beb0b", kill_on_drop: false }`
[INFO] [stdout] 02716a27f31030310952ed5ec036e2019334f214669f0db63be9fdeec33beb0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d1425e2e357c659b066d72a991b9406bab83d24df0e6efaf50b7dd04842d22d
[INFO] running `Command { std: "docker" "start" "-a" "2d1425e2e357c659b066d72a991b9406bab83d24df0e6efaf50b7dd04842d22d", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]     Checking allen_interval_algebra v0.1.2
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]     Checking parking_lot_core v0.9.11
[INFO] [stderr]     Checking signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]     Checking parking_lot v0.12.4
[INFO] [stderr]     Checking petgraph v0.6.5
[INFO] [stderr]     Checking tokio v1.47.1
[INFO] [stderr]     Checking serde v1.0.219
[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 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] [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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.86s
[INFO] running `Command { std: "docker" "inspect" "2d1425e2e357c659b066d72a991b9406bab83d24df0e6efaf50b7dd04842d22d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d1425e2e357c659b066d72a991b9406bab83d24df0e6efaf50b7dd04842d22d", kill_on_drop: false }`
[INFO] [stdout] 2d1425e2e357c659b066d72a991b9406bab83d24df0e6efaf50b7dd04842d22d