[INFO] cloning repository https://github.com/DavideCanton/rust_graph
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DavideCanton/rust_graph" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDavideCanton%2Frust_graph", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDavideCanton%2Frust_graph'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c538d7e1b6ab71809621005e48aa98e3f4b2684f
[INFO] testing DavideCanton/rust_graph against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDavideCanton%2Frust_graph" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DavideCanton/rust_graph on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DavideCanton/rust_graph
[INFO] finished tweaking git repo https://github.com/DavideCanton/rust_graph
[INFO] tweaked toml for git repo https://github.com/DavideCanton/rust_graph written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/DavideCanton/rust_graph already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c1b0eea4a5ed38961de2973f1c66fb5ef4b1ef724684201c9ed8f636212b306
[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" "0c1b0eea4a5ed38961de2973f1c66fb5ef4b1ef724684201c9ed8f636212b306", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c1b0eea4a5ed38961de2973f1c66fb5ef4b1ef724684201c9ed8f636212b306", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c1b0eea4a5ed38961de2973f1c66fb5ef4b1ef724684201c9ed8f636212b306", kill_on_drop: false }`
[INFO] [stdout] 0c1b0eea4a5ed38961de2973f1c66fb5ef4b1ef724684201c9ed8f636212b306
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b328108256e699f9d747009280853bbee0b0ad5aa57b7993c8262ce8086fea1a
[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" "b328108256e699f9d747009280853bbee0b0ad5aa57b7993c8262ce8086fea1a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-graph v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/adj_matrix.rs:117:10
[INFO] [stdout]     |
[INFO] [stdout] 117 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` 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 1.73s
[INFO] running `Command { std: "docker" "inspect" "b328108256e699f9d747009280853bbee0b0ad5aa57b7993c8262ce8086fea1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b328108256e699f9d747009280853bbee0b0ad5aa57b7993c8262ce8086fea1a", kill_on_drop: false }`
[INFO] [stdout] b328108256e699f9d747009280853bbee0b0ad5aa57b7993c8262ce8086fea1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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] e0b03ee5d436b1acf61f5944a1ef01602d4ed1f77b5049accc66adba57c71116
[INFO] running `Command { std: "docker" "start" "-a" "e0b03ee5d436b1acf61f5944a1ef01602d4ed1f77b5049accc66adba57c71116", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-graph v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/adj_matrix.rs:117:10
[INFO] [stdout]     |
[INFO] [stdout] 117 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` 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 1.86s
[INFO] running `Command { std: "docker" "inspect" "e0b03ee5d436b1acf61f5944a1ef01602d4ed1f77b5049accc66adba57c71116", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0b03ee5d436b1acf61f5944a1ef01602d4ed1f77b5049accc66adba57c71116", kill_on_drop: false }`
[INFO] [stdout] e0b03ee5d436b1acf61f5944a1ef01602d4ed1f77b5049accc66adba57c71116
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", 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] 793b43bc3a5a5a738a12f77226666f1c73d065ba43bc623e6d06be587e5299f9
[INFO] running `Command { std: "docker" "start" "-a" "793b43bc3a5a5a738a12f77226666f1c73d065ba43bc623e6d06be587e5299f9", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/adj_matrix.rs:117:10
[INFO] [stderr]     |
[INFO] [stderr] 117 |         };
[INFO] [stderr]     |          ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-graph` (bin "rust-graph" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_graph-6c460ab10a670978)
[INFO] [stdout] running 8 tests
[INFO] [stdout] test adj_matrix::tests::test_add_node ... ok
[INFO] [stdout] test adj_matrix::tests::test_remove_node_no_edges ... ok
[INFO] [stdout] test adj_matrix::tests::test_remove_node_with_edges ... ok
[INFO] [stdout] test utils::tests::gets_shortest_path ... ok
[INFO] [stdout] test utils::tests::works_with_nonexistant_dst ... ok
[INFO] [stdout] test utils::tests::works_with_nonexistant_src ... ok
[INFO] [stdout] test utils::tests::works_with_path_not_present ... ok
[INFO] [stdout] test utils::tests::works_with_path_present ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "793b43bc3a5a5a738a12f77226666f1c73d065ba43bc623e6d06be587e5299f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "793b43bc3a5a5a738a12f77226666f1c73d065ba43bc623e6d06be587e5299f9", kill_on_drop: false }`
[INFO] [stdout] 793b43bc3a5a5a738a12f77226666f1c73d065ba43bc623e6d06be587e5299f9