[INFO] fetching crate petgraph-examples 0.1.0...
[INFO] testing petgraph-examples-0.1.0 against master#ebf0cf75d368c035f4c7e7246d203bd469ee4a51 for pr-137940-2
[INFO] extracting crate petgraph-examples 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate petgraph-examples 0.1.0 on toolchain ebf0cf75d368c035f4c7e7246d203bd469ee4a51
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fixedbitset v0.5.7
[INFO] [stderr]   Downloaded petgraph v0.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 689acc03642dd4cefdd8c7427e9db357e4bb56e22e5e3a87a4ad076d18c1193a
[INFO] running `Command { std: "docker" "start" "-a" "689acc03642dd4cefdd8c7427e9db357e4bb56e22e5e3a87a4ad076d18c1193a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "689acc03642dd4cefdd8c7427e9db357e4bb56e22e5e3a87a4ad076d18c1193a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "689acc03642dd4cefdd8c7427e9db357e4bb56e22e5e3a87a4ad076d18c1193a", kill_on_drop: false }`
[INFO] [stdout] 689acc03642dd4cefdd8c7427e9db357e4bb56e22e5e3a87a4ad076d18c1193a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 00ebcb3304a0968d74d92ccdf7c0002d0afeffe83b9714c88b28a9a003dc856e
[INFO] running `Command { std: "docker" "start" "-a" "00ebcb3304a0968d74d92ccdf7c0002d0afeffe83b9714c88b28a9a003dc856e", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling fixedbitset v0.5.7
[INFO] [stderr]    Compiling indexmap v2.8.0
[INFO] [stderr]    Compiling petgraph v0.7.1
[INFO] [stderr]    Compiling 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.52s
[INFO] running `Command { std: "docker" "inspect" "00ebcb3304a0968d74d92ccdf7c0002d0afeffe83b9714c88b28a9a003dc856e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00ebcb3304a0968d74d92ccdf7c0002d0afeffe83b9714c88b28a9a003dc856e", kill_on_drop: false }`
[INFO] [stdout] 00ebcb3304a0968d74d92ccdf7c0002d0afeffe83b9714c88b28a9a003dc856e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44b072648da91f5370e1b89a8758507632e093edeac7414ea9e024f5b437cc9b
[INFO] running `Command { std: "docker" "start" "-a" "44b072648da91f5370e1b89a8758507632e093edeac7414ea9e024f5b437cc9b", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]    Compiling 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: 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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "44b072648da91f5370e1b89a8758507632e093edeac7414ea9e024f5b437cc9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44b072648da91f5370e1b89a8758507632e093edeac7414ea9e024f5b437cc9b", kill_on_drop: false }`
[INFO] [stdout] 44b072648da91f5370e1b89a8758507632e093edeac7414ea9e024f5b437cc9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 80820e5cea9c7aefe966589d3a24a4ad49795f7d9fe4174cac5bea6a5db36c1a
[INFO] running `Command { std: "docker" "start" "-a" "80820e5cea9c7aefe966589d3a24a4ad49795f7d9fe4174cac5bea6a5db36c1a", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr] warning: variable `cellA1` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let cellA1 = g.add_node("A1".to_string());
[INFO] [stderr]    |         ^^^^^^ help: convert the identifier to snake case: `cell_a1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `cellA2` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let cellA2 = g.add_node("A2".to_string());
[INFO] [stderr]    |         ^^^^^^ help: convert the identifier to snake case: `cell_a2`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `cellA3` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let cellA3 = g.add_node("A3".to_string());
[INFO] [stderr]    |         ^^^^^^ help: convert the identifier to snake case: `cell_a3`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `cellB1` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let cellB1 = g.add_node("B1".to_string());
[INFO] [stderr]    |         ^^^^^^ help: convert the identifier to snake case: `cell_b1`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `cellB2` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let cellB2 = g.add_node("B2".to_string());
[INFO] [stderr]    |         ^^^^^^ help: convert the identifier to snake case: `cell_b2`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `cellB3` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |     let cellB3 = g.add_node("B3".to_string());
[INFO] [stderr]    |         ^^^^^^ help: convert the identifier to snake case: `cell_b3`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `cellC1` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |     let cellC1 = g.add_node("C1".to_string());
[INFO] [stderr]    |         ^^^^^^ help: convert the identifier to snake case: `cell_c1`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `cellC2` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |     let cellC2 = g.add_node("C2".to_string());
[INFO] [stderr]    |         ^^^^^^ help: convert the identifier to snake case: `cell_c2`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `cellC3` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |     let cellC3 = g.add_node("C3".to_string());
[INFO] [stderr]    |         ^^^^^^ help: convert the identifier to snake case: `cell_c3`
[INFO] [stderr] 
[INFO] [stderr] warning: `petgraph-examples` (lib) generated 9 warnings
[INFO] [stderr] warning: `petgraph-examples` (lib test) generated 9 warnings (9 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/petgraph_examples-1662078677c51b0c)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests petgraph_examples
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "80820e5cea9c7aefe966589d3a24a4ad49795f7d9fe4174cac5bea6a5db36c1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80820e5cea9c7aefe966589d3a24a4ad49795f7d9fe4174cac5bea6a5db36c1a", kill_on_drop: false }`
[INFO] [stdout] 80820e5cea9c7aefe966589d3a24a4ad49795f7d9fe4174cac5bea6a5db36c1a