[INFO] cloning repository https://github.com/caioraposo/graph-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/caioraposo/graph-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaioraposo%2Fgraph-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaioraposo%2Fgraph-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 47fc3209c632e304c8a066a3b6cb7b1b56b09fe4
[INFO] testing caioraposo/graph-rs against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaioraposo%2Fgraph-rs" "/workspace/builds/worker-23/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-23/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/caioraposo/graph-rs on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/caioraposo/graph-rs
[INFO] finished tweaking git repo https://github.com/caioraposo/graph-rs
[INFO] tweaked toml for git repo https://github.com/caioraposo/graph-rs written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] crate git repo https://github.com/caioraposo/graph-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7c136218d2e81407ec77c9df23e71ea9bbdc679ffa98694cee32cdfe3c59f21
[INFO] running `Command { std: "docker" "start" "-a" "b7c136218d2e81407ec77c9df23e71ea9bbdc679ffa98694cee32cdfe3c59f21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7c136218d2e81407ec77c9df23e71ea9bbdc679ffa98694cee32cdfe3c59f21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7c136218d2e81407ec77c9df23e71ea9bbdc679ffa98694cee32cdfe3c59f21", kill_on_drop: false }`
[INFO] [stdout] b7c136218d2e81407ec77c9df23e71ea9bbdc679ffa98694cee32cdfe3c59f21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a67a1c631d39110a4d815974ff0423ffab4b5fdf9fc1d325a61202fac295332
[INFO] running `Command { std: "docker" "start" "-a" "8a67a1c631d39110a4d815974ff0423ffab4b5fdf9fc1d325a61202fac295332", kill_on_drop: false }`
[INFO] [stderr]    Compiling graph-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Node`
[INFO] [stdout]  --> src/main.rs:1:30
[INFO] [stdout]   |
[INFO] [stdout] 1 | use graph_rs::graph::{Graph, Node};
[INFO] [stdout]   |                              ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.79s
[INFO] running `Command { std: "docker" "inspect" "8a67a1c631d39110a4d815974ff0423ffab4b5fdf9fc1d325a61202fac295332", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a67a1c631d39110a4d815974ff0423ffab4b5fdf9fc1d325a61202fac295332", kill_on_drop: false }`
[INFO] [stdout] 8a67a1c631d39110a4d815974ff0423ffab4b5fdf9fc1d325a61202fac295332
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1ea67c2e56b0f562cb5e7b3552a0f5f98279a0ce1d576d7dfad5d5850250d45
[INFO] running `Command { std: "docker" "start" "-a" "e1ea67c2e56b0f562cb5e7b3552a0f5f98279a0ce1d576d7dfad5d5850250d45", kill_on_drop: false }`
[INFO] [stderr]    Compiling graph-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Node`
[INFO] [stdout]  --> src/main.rs:1:30
[INFO] [stdout]   |
[INFO] [stdout] 1 | use graph_rs::graph::{Graph, Node};
[INFO] [stdout]   |                              ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "e1ea67c2e56b0f562cb5e7b3552a0f5f98279a0ce1d576d7dfad5d5850250d45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1ea67c2e56b0f562cb5e7b3552a0f5f98279a0ce1d576d7dfad5d5850250d45", kill_on_drop: false }`
[INFO] [stdout] e1ea67c2e56b0f562cb5e7b3552a0f5f98279a0ce1d576d7dfad5d5850250d45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a62c71024c586617827f162812b2439cd47c76ad8b11afcdedefc27733737b62
[INFO] running `Command { std: "docker" "start" "-a" "a62c71024c586617827f162812b2439cd47c76ad8b11afcdedefc27733737b62", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `Node`
[INFO] [stdout] running 3 tests
[INFO] [stderr]  --> src/main.rs:1:30
[INFO] [stdout] test graph::tests::add_directed_edge ... ok
[INFO] [stderr]   |
[INFO] [stdout] test graph::tests::check_if_node_is_in_the_graph ... ok
[INFO] [stderr] 1 | use graph_rs::graph::{Graph, Node};
[INFO] [stdout] test graph::tests::add_undirected_edge ... ok
[INFO] [stderr]   |                              ^^^^
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: `graph-rs` (bin "graph-rs" test) generated 1 warning
[INFO] [stdout] running 0 tests
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.13s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/graph_rs-1fc5d51e6866c3ec)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/graph_rs-3493e6976d4f0c87)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests graph-rs
[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" "a62c71024c586617827f162812b2439cd47c76ad8b11afcdedefc27733737b62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a62c71024c586617827f162812b2439cd47c76ad8b11afcdedefc27733737b62", kill_on_drop: false }`
[INFO] [stdout] a62c71024c586617827f162812b2439cd47c76ad8b11afcdedefc27733737b62