[INFO] fetching crate petgraph-examples 0.1.0...
[INFO] checking petgraph-examples-0.1.0 against try#55b3f428b4fac6790b1e8492e0b91ff2d80aec7c for pr-77035
[INFO] extracting crate petgraph-examples 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate petgraph-examples 0.1.0 on toolchain 55b3f428b4fac6790b1e8492e0b91ff2d80aec7c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate petgraph-examples 0.1.0
[INFO] finished tweaking crates.io crate petgraph-examples 0.1.0
[INFO] tweaked toml for crates.io crate petgraph-examples 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b859dfe41bf10e9c85771a0dc6f7d62a27bd419a1abfa08b92fc317acda2bf51
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b859dfe41bf10e9c85771a0dc6f7d62a27bd419a1abfa08b92fc317acda2bf51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b859dfe41bf10e9c85771a0dc6f7d62a27bd419a1abfa08b92fc317acda2bf51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b859dfe41bf10e9c85771a0dc6f7d62a27bd419a1abfa08b92fc317acda2bf51", kill_on_drop: false }`
[INFO] [stdout] b859dfe41bf10e9c85771a0dc6f7d62a27bd419a1abfa08b92fc317acda2bf51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf685c8660962342cb8d63ccf62d1a9b1586b04635c8f138e156aeee41e9397d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bf685c8660962342cb8d63ccf62d1a9b1586b04635c8f138e156aeee41e9397d", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking petgraph-examples v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `cellA1` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let cellA1 = g.add_node("A1".to_string());
[INFO] [stdout]    |         ^^^^^^ help: convert the identifier to snake case: `cell_a1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `cellA2` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let cellA2 = g.add_node("A2".to_string());
[INFO] [stdout]    |         ^^^^^^ help: convert the identifier to snake case: `cell_a2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `cellA3` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let cellA3 = g.add_node("A3".to_string());
[INFO] [stdout]    |         ^^^^^^ help: convert the identifier to snake case: `cell_a3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `cellB1` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let cellB1 = g.add_node("B1".to_string());
[INFO] [stdout]    |         ^^^^^^ help: convert the identifier to snake case: `cell_b1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `cellB2` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let cellB2 = g.add_node("B2".to_string());
[INFO] [stdout]    |         ^^^^^^ help: convert the identifier to snake case: `cell_b2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `cellB3` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let cellB3 = g.add_node("B3".to_string());
[INFO] [stdout]    |         ^^^^^^ help: convert the identifier to snake case: `cell_b3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `cellC1` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let cellC1 = g.add_node("C1".to_string());
[INFO] [stdout]    |         ^^^^^^ help: convert the identifier to snake case: `cell_c1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `cellC2` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let cellC2 = g.add_node("C2".to_string());
[INFO] [stdout]    |         ^^^^^^ help: convert the identifier to snake case: `cell_c2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `cellC3` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let cellC3 = g.add_node("C3".to_string());
[INFO] [stdout]    |         ^^^^^^ help: convert the identifier to snake case: `cell_c3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `cellA1` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let cellA1 = g.add_node("A1".to_string());
[INFO] [stdout]    |         ^^^^^^ help: convert the identifier to snake case: `cell_a1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `cellA2` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let cellA2 = g.add_node("A2".to_string());
[INFO] [stdout]    |         ^^^^^^ help: convert the identifier to snake case: `cell_a2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `cellA3` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let cellA3 = g.add_node("A3".to_string());
[INFO] [stdout]    |         ^^^^^^ help: convert the identifier to snake case: `cell_a3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `cellB1` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let cellB1 = g.add_node("B1".to_string());
[INFO] [stdout]    |         ^^^^^^ help: convert the identifier to snake case: `cell_b1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `cellB2` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let cellB2 = g.add_node("B2".to_string());
[INFO] [stdout]    |         ^^^^^^ help: convert the identifier to snake case: `cell_b2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `cellB3` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let cellB3 = g.add_node("B3".to_string());
[INFO] [stdout]    |         ^^^^^^ help: convert the identifier to snake case: `cell_b3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `cellC1` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let cellC1 = g.add_node("C1".to_string());
[INFO] [stdout]    |         ^^^^^^ help: convert the identifier to snake case: `cell_c1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `cellC2` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let cellC2 = g.add_node("C2".to_string());
[INFO] [stdout]    |         ^^^^^^ help: convert the identifier to snake case: `cell_c2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `cellC3` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let cellC3 = g.add_node("C3".to_string());
[INFO] [stdout]    |         ^^^^^^ help: convert the identifier to snake case: `cell_c3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.94s
[INFO] running `Command { std: "docker" "inspect" "bf685c8660962342cb8d63ccf62d1a9b1586b04635c8f138e156aeee41e9397d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf685c8660962342cb8d63ccf62d1a9b1586b04635c8f138e156aeee41e9397d", kill_on_drop: false }`
[INFO] [stdout] bf685c8660962342cb8d63ccf62d1a9b1586b04635c8f138e156aeee41e9397d