[INFO] cloning repository https://github.com/paddison/graph_generator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/paddison/graph_generator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpaddison%2Fgraph_generator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpaddison%2Fgraph_generator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8894f9b6a6e7c3fc7aea7daf5cb313b6d5404381
[INFO] testing paddison/graph_generator against 1.75.0 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpaddison%2Fgraph_generator" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/paddison/graph_generator on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/paddison/graph_generator
[INFO] finished tweaking git repo https://github.com/paddison/graph_generator
[INFO] tweaked toml for git repo https://github.com/paddison/graph_generator written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/paddison/graph_generator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1305775bbd1777776f8699bf02873a58b24d3d71ff3133043daa66a0d97451ef
[INFO] running `Command { std: "docker" "start" "-a" "1305775bbd1777776f8699bf02873a58b24d3d71ff3133043daa66a0d97451ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1305775bbd1777776f8699bf02873a58b24d3d71ff3133043daa66a0d97451ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1305775bbd1777776f8699bf02873a58b24d3d71ff3133043daa66a0d97451ef", kill_on_drop: false }`
[INFO] [stdout] 1305775bbd1777776f8699bf02873a58b24d3d71ff3133043daa66a0d97451ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f14cecd33280265b2f26965284704464591d33e943a1cf59da6a3aefe22a46d
[INFO] running `Command { std: "docker" "start" "-a" "6f14cecd33280265b2f26965284704464591d33e943a1cf59da6a3aefe22a46d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling graph_generator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated functions `new` and `new_from_num_edges` are never used
[INFO] [stdout]   --> src/lib.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl GraphLayout {
[INFO] [stdout]    | ---------------- associated functions in this implementation
[INFO] [stdout] 28 |     fn new(growing_nodes: u32, shrinking_nodes: u32, num_nodes: u32, edges_per_node: u32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     fn new_from_num_edges(_num_edges: usize, _edges_per_node: usize) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 1.64s
[INFO] running `Command { std: "docker" "inspect" "6f14cecd33280265b2f26965284704464591d33e943a1cf59da6a3aefe22a46d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f14cecd33280265b2f26965284704464591d33e943a1cf59da6a3aefe22a46d", kill_on_drop: false }`
[INFO] [stdout] 6f14cecd33280265b2f26965284704464591d33e943a1cf59da6a3aefe22a46d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe267e40589e6364ec47aa3d687fae8fd6dcac716bd6368acf2d6d5a2d809759
[INFO] running `Command { std: "docker" "start" "-a" "fe267e40589e6364ec47aa3d687fae8fd6dcac716bd6368acf2d6d5a2d809759", kill_on_drop: false }`
[INFO] [stdout] warning: associated functions `new` and `new_from_num_edges` are never used
[INFO] [stdout]   --> src/lib.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl GraphLayout {
[INFO] [stdout]    | ---------------- associated functions in this implementation
[INFO] [stdout] 28 |     fn new(growing_nodes: u32, shrinking_nodes: u32, num_nodes: u32, edges_per_node: u32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     fn new_from_num_edges(_num_edges: usize, _edges_per_node: usize) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling graph_generator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_from_num_edges` is never used
[INFO] [stdout]   --> src/lib.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl GraphLayout {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 33 |     fn new_from_num_edges(_num_edges: usize, _edges_per_node: usize) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 0.35s
[INFO] running `Command { std: "docker" "inspect" "fe267e40589e6364ec47aa3d687fae8fd6dcac716bd6368acf2d6d5a2d809759", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe267e40589e6364ec47aa3d687fae8fd6dcac716bd6368acf2d6d5a2d809759", kill_on_drop: false }`
[INFO] [stdout] fe267e40589e6364ec47aa3d687fae8fd6dcac716bd6368acf2d6d5a2d809759
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c5245b2f31f9d459955febae2d0b8a7a1a4c0244fdac9243f230f78fe6d09a28
[INFO] running `Command { std: "docker" "start" "-a" "c5245b2f31f9d459955febae2d0b8a7a1a4c0244fdac9243f230f78fe6d09a28", kill_on_drop: false }`
[INFO] [stderr] warning: associated functions `new` and `new_from_num_edges` are never used
[INFO] [stderr]   --> src/lib.rs:28:8
[INFO] [stderr]    |
[INFO] [stderr] 27 | impl GraphLayout {
[INFO] [stderr]    | ---------------- associated functions in this implementation
[INFO] [stderr] 28 |     fn new(growing_nodes: u32, shrinking_nodes: u32, num_nodes: u32, edges_per_node: u32) -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 33 |     fn new_from_num_edges(_num_edges: usize, _edges_per_node: usize) -> Self {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new_from_num_edges` is never used
[INFO] [stderr]   --> src/lib.rs:33:8
[INFO] [stderr]    |
[INFO] [stderr] 27 | impl GraphLayout {
[INFO] [stderr]    | ---------------- associated function in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 33 |     fn new_from_num_edges(_num_edges: usize, _edges_per_node: usize) -> Self {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `graph_generator` (lib) generated 1 warning
[INFO] [stderr] warning: `graph_generator` (lib test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/graph_generator-6d62d5008a5613fa)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::test_contains_cycle ... ok
[INFO] [stdout] test tests::test_new_from_num_nodes_16_nodes_3_edges ... ok
[INFO] [stdout] test tests::test_new_from_num_nodes_22_nodes_2_edges ... ok
[INFO] [stdout] test tests::test_new_from_num_nodes_2_nodes_2_edges ... ok
[INFO] [stdout] test tests::test_new_from_num_nodes_8_nodes_2_edges ... ok
[INFO] [stdout] test tests::test_random_layout ... ok
[INFO] [stdout] test tests::test_write_to_file ... ok
[INFO] [stdout] test tests::test_print_edges ... 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] [stderr]    Doc-tests graph_generator
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - GraphLayout (line 9) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - GraphLayout (line 9) stdout ----
[INFO] [stdout] error: unknown start of token: \
[INFO] [stdout]  --> src/lib.rs:10:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | /---v---\
[INFO] [stdout]   |         ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \
[INFO] [stdout]  --> src/lib.rs:11:14
[INFO] [stdout]   |
[INFO] [stdout] 4 |          /-v-\    /-v-\
[INFO] [stdout]   |              ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \
[INFO] [stdout]  --> src/lib.rs:11:23
[INFO] [stdout]   |
[INFO] [stdout] 4 |          /-v-\    /-v-\
[INFO] [stdout]   |                       ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \
[INFO] [stdout]  --> src/lib.rs:13:10
[INFO] [stdout]   |
[INFO] [stdout] 6 |          \-v-/   \-v-/   
[INFO] [stdout]   |          ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \
[INFO] [stdout]  --> src/lib.rs:13:18
[INFO] [stdout]   |
[INFO] [stdout] 6 |          \-v-/   \-v-/   
[INFO] [stdout]   |                  ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \
[INFO] [stdout]  --> src/lib.rs:14:12
[INFO] [stdout]   |
[INFO] [stdout] 7 |            \---v---/
[INFO] [stdout]   |            ^
[INFO] [stdout] 
[INFO] [stdout] error: expected expression, found `/`
[INFO] [stdout]  --> src/lib.rs:10:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | /---v---\
[INFO] [stdout]   | ^ expected expression
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - GraphLayout (line 9)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "c5245b2f31f9d459955febae2d0b8a7a1a4c0244fdac9243f230f78fe6d09a28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5245b2f31f9d459955febae2d0b8a7a1a4c0244fdac9243f230f78fe6d09a28", kill_on_drop: false }`
[INFO] [stdout] c5245b2f31f9d459955febae2d0b8a7a1a4c0244fdac9243f230f78fe6d09a28
