[INFO] cloning repository https://github.com/axel-kaliff/maxflow
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/axel-kaliff/maxflow" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faxel-kaliff%2Fmaxflow", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faxel-kaliff%2Fmaxflow'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d7e7f9dfa70bf0ac4ca5dada1dfb9f322d2d86e4
[INFO] testing axel-kaliff/maxflow against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faxel-kaliff%2Fmaxflow" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/axel-kaliff/maxflow on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/axel-kaliff/maxflow
[INFO] finished tweaking git repo https://github.com/axel-kaliff/maxflow
[INFO] tweaked toml for git repo https://github.com/axel-kaliff/maxflow written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/axel-kaliff/maxflow already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 67cec2640f9716147039526923c6eead12bcf7ce448ecbfc7a3e4af32cd7edd0
[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" "67cec2640f9716147039526923c6eead12bcf7ce448ecbfc7a3e4af32cd7edd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67cec2640f9716147039526923c6eead12bcf7ce448ecbfc7a3e4af32cd7edd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67cec2640f9716147039526923c6eead12bcf7ce448ecbfc7a3e4af32cd7edd0", kill_on_drop: false }`
[INFO] [stdout] 67cec2640f9716147039526923c6eead12bcf7ce448ecbfc7a3e4af32cd7edd0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96edcfe6bad104846ebb2654a69e0b07b076fdcd2b8edf307b729d6407884750
[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" "96edcfe6bad104846ebb2654a69e0b07b076fdcd2b8edf307b729d6407884750", kill_on_drop: false }`
[INFO] [stderr]    Compiling maxflow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::LinkedList`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::LinkedList;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `ford_fulkerson`
[INFO] [stdout]  --> src/main.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn ford_fulkerson(graph: Vec<Vec<usize>>, V: usize, s: usize, t: usize) -> usize {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `bfs`
[INFO] [stdout]   --> src/main.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn bfs(rGraph: &Vec<Vec<usize>>, s: usize, t: usize, parent: &mut Vec<isize>, V: usize) -> bool {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `V` should have a snake case name
[INFO] [stdout]  --> src/main.rs:5:43
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn ford_fulkerson(graph: Vec<Vec<usize>>, V: usize, s: usize, t: usize) -> usize {
[INFO] [stdout]   |                                           ^ help: convert the identifier to snake case (notice the capitalization): `v`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `rGraph` should have a snake case name
[INFO] [stdout]  --> src/main.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut rGraph: Vec<Vec<usize>> = Vec::new();
[INFO] [stdout]   |             ^^^^^^ help: convert the identifier to snake case: `r_graph`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `rGraph` should have a snake case name
[INFO] [stdout]   --> src/main.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn bfs(rGraph: &Vec<Vec<usize>>, s: usize, t: usize, parent: &mut Vec<isize>, V: usize) -> bool {
[INFO] [stdout]    |        ^^^^^^ help: convert the identifier to snake case: `r_graph`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `V` should have a snake case name
[INFO] [stdout]   --> src/main.rs:47:79
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn bfs(rGraph: &Vec<Vec<usize>>, s: usize, t: usize, parent: &mut Vec<isize>, V: usize) -> bool {
[INFO] [stdout]    |                                                                               ^ help: convert the identifier to snake case (notice the capitalization): `v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "96edcfe6bad104846ebb2654a69e0b07b076fdcd2b8edf307b729d6407884750", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96edcfe6bad104846ebb2654a69e0b07b076fdcd2b8edf307b729d6407884750", kill_on_drop: false }`
[INFO] [stdout] 96edcfe6bad104846ebb2654a69e0b07b076fdcd2b8edf307b729d6407884750
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 78357557e1a06149f201cfc54d74c84735e4b51dc67d0adba88ebdfab7f101c7
[INFO] running `Command { std: "docker" "start" "-a" "78357557e1a06149f201cfc54d74c84735e4b51dc67d0adba88ebdfab7f101c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling maxflow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::LinkedList`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::LinkedList;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `ford_fulkerson`
[INFO] [stdout]  --> src/main.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn ford_fulkerson(graph: Vec<Vec<usize>>, V: usize, s: usize, t: usize) -> usize {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `bfs`
[INFO] [stdout]   --> src/main.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn bfs(rGraph: &Vec<Vec<usize>>, s: usize, t: usize, parent: &mut Vec<isize>, V: usize) -> bool {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `V` should have a snake case name
[INFO] [stdout]  --> src/main.rs:5:43
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn ford_fulkerson(graph: Vec<Vec<usize>>, V: usize, s: usize, t: usize) -> usize {
[INFO] [stdout]   |                                           ^ help: convert the identifier to snake case (notice the capitalization): `v`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `rGraph` should have a snake case name
[INFO] [stdout]  --> src/main.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut rGraph: Vec<Vec<usize>> = Vec::new();
[INFO] [stdout]   |             ^^^^^^ help: convert the identifier to snake case: `r_graph`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `rGraph` should have a snake case name
[INFO] [stdout]   --> src/main.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn bfs(rGraph: &Vec<Vec<usize>>, s: usize, t: usize, parent: &mut Vec<isize>, V: usize) -> bool {
[INFO] [stdout]    |        ^^^^^^ help: convert the identifier to snake case: `r_graph`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `V` should have a snake case name
[INFO] [stdout]   --> src/main.rs:47:79
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn bfs(rGraph: &Vec<Vec<usize>>, s: usize, t: usize, parent: &mut Vec<isize>, V: usize) -> bool {
[INFO] [stdout]    |                                                                               ^ help: convert the identifier to snake case (notice the capitalization): `v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "78357557e1a06149f201cfc54d74c84735e4b51dc67d0adba88ebdfab7f101c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78357557e1a06149f201cfc54d74c84735e4b51dc67d0adba88ebdfab7f101c7", kill_on_drop: false }`
[INFO] [stdout] 78357557e1a06149f201cfc54d74c84735e4b51dc67d0adba88ebdfab7f101c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fbd2256e35efc038a719527c1652f81833e67c2cff3241a102018a29316215b5
[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" "fbd2256e35efc038a719527c1652f81833e67c2cff3241a102018a29316215b5", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `std::collections::LinkedList`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr] 2 | use std::collections::LinkedList;
[INFO] [stdout] 
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `ford_fulkerson`
[INFO] [stderr]  --> src/main.rs:5:4
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn ford_fulkerson(graph: Vec<Vec<usize>>, V: usize, s: usize, t: usize) -> usize {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `bfs`
[INFO] [stderr]   --> src/main.rs:47:4
[INFO] [stderr]    |
[INFO] [stderr] 47 | fn bfs(rGraph: &Vec<Vec<usize>>, s: usize, t: usize, parent: &mut Vec<isize>, V: usize) -> bool {
[INFO] [stderr]    |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `V` should have a snake case name
[INFO] [stderr]  --> src/main.rs:5:43
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn ford_fulkerson(graph: Vec<Vec<usize>>, V: usize, s: usize, t: usize) -> usize {
[INFO] [stderr]   |                                           ^ help: convert the identifier to snake case (notice the capitalization): `v`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `rGraph` should have a snake case name
[INFO] [stderr]  --> src/main.rs:8:13
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let mut rGraph: Vec<Vec<usize>> = Vec::new();
[INFO] [stderr]   |             ^^^^^^ help: convert the identifier to snake case: `r_graph`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `rGraph` should have a snake case name
[INFO] [stderr]   --> src/main.rs:47:8
[INFO] [stderr]    |
[INFO] [stderr] 47 | fn bfs(rGraph: &Vec<Vec<usize>>, s: usize, t: usize, parent: &mut Vec<isize>, V: usize) -> bool {
[INFO] [stderr]    |        ^^^^^^ help: convert the identifier to snake case: `r_graph`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `V` should have a snake case name
[INFO] [stderr]   --> src/main.rs:47:79
[INFO] [stderr]    |
[INFO] [stderr] 47 | fn bfs(rGraph: &Vec<Vec<usize>>, s: usize, t: usize, parent: &mut Vec<isize>, V: usize) -> bool {
[INFO] [stderr]    |                                                                               ^ help: convert the identifier to snake case (notice the capitalization): `v`
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/maxflow-22b23b9a23c69fa7
[INFO] running `Command { std: "docker" "inspect" "fbd2256e35efc038a719527c1652f81833e67c2cff3241a102018a29316215b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbd2256e35efc038a719527c1652f81833e67c2cff3241a102018a29316215b5", kill_on_drop: false }`
[INFO] [stdout] fbd2256e35efc038a719527c1652f81833e67c2cff3241a102018a29316215b5
