[INFO] fetching crate icentral-parallel-brandes 0.1.0...
[INFO] checking icentral-parallel-brandes-0.1.0 against master#d0835adc4e114eac911150b3692b830b5583223a for pr-149195-3
[INFO] extracting crate icentral-parallel-brandes 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate icentral-parallel-brandes 0.1.0
[INFO] finished tweaking crates.io crate icentral-parallel-brandes 0.1.0
[INFO] tweaked toml for crates.io crate icentral-parallel-brandes 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate icentral-parallel-brandes 0.1.0 on toolchain d0835adc4e114eac911150b3692b830b5583223a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d0835adc4e114eac911150b3692b830b5583223a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate icentral-parallel-brandes 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d0835adc4e114eac911150b3692b830b5583223a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+d0835adc4e114eac911150b3692b830b5583223a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fba5c5edaf32328754014644bb1f066dc558ecef0ddef5ceee34b58061c0603b
[INFO] running `Command { std: "docker" "start" "-a" "fba5c5edaf32328754014644bb1f066dc558ecef0ddef5ceee34b58061c0603b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fba5c5edaf32328754014644bb1f066dc558ecef0ddef5ceee34b58061c0603b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fba5c5edaf32328754014644bb1f066dc558ecef0ddef5ceee34b58061c0603b", kill_on_drop: false }`
[INFO] [stdout] fba5c5edaf32328754014644bb1f066dc558ecef0ddef5ceee34b58061c0603b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+d0835adc4e114eac911150b3692b830b5583223a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9af1bc2ee2c0b1cd4369ad960a674e98671be0050b9131ed1a207815e48232a
[INFO] running `Command { std: "docker" "start" "-a" "a9af1bc2ee2c0b1cd4369ad960a674e98671be0050b9131ed1a207815e48232a", kill_on_drop: false }`
[INFO] [stderr]     Checking icentral-parallel-brandes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `icentral_graph_interface`
[INFO] [stdout]  --> src/imports.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub(crate) use icentral_graph_interface::*;
[INFO] [stdout]   |                ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `icentral_graph_interface`
[INFO] [stdout]  --> src/imports.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub(crate) use icentral_graph_interface::*;
[INFO] [stdout]   |                ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/parallel_brandes.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let mut component: Component = Component::new_from_graph_ref(
[INFO] [stdout]    |         ----^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `component`
[INFO] [stdout]   --> src/parallel_brandes.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let mut component: Component = Component::new_from_graph_ref(
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_component`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/parallel_brandes.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let mut component: Component = Component::new_from_graph_ref(
[INFO] [stdout]    |         ----^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `component`
[INFO] [stdout]   --> src/parallel_brandes.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let mut component: Component = Component::new_from_graph_ref(
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_component`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: icentral-neighbors v0.1.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 8`
[INFO] running `Command { std: "docker" "inspect" "a9af1bc2ee2c0b1cd4369ad960a674e98671be0050b9131ed1a207815e48232a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9af1bc2ee2c0b1cd4369ad960a674e98671be0050b9131ed1a207815e48232a", kill_on_drop: false }`
[INFO] [stdout] a9af1bc2ee2c0b1cd4369ad960a674e98671be0050b9131ed1a207815e48232a