[INFO] cloning repository wspeirs/family_tree [INFO] running `"git" "clone" "--bare" "git://github.com/wspeirs/family_tree.git" "work/cache/sources/gh/wspeirs/family_tree"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/wspeirs/family_tree'... [INFO] running `"git" "clone" "work/cache/sources/gh/wspeirs/family_tree" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/wspeirs/family_tree"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/wspeirs/family_tree'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/wspeirs/family_tree" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/wspeirs/family_tree"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/wspeirs/family_tree'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] d82a4a12d40dc3d58211d1c2374cb72236f0f6f6 [INFO] sha for GitHub repo wspeirs/family_tree: d82a4a12d40dc3d58211d1c2374cb72236f0f6f6 [INFO] validating manifest of wspeirs/family_tree on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of wspeirs/family_tree on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing wspeirs/family_tree [INFO] finished frobbing wspeirs/family_tree [INFO] frobbed toml for wspeirs/family_tree written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/wspeirs/family_tree/Cargo.toml [INFO] started frobbing wspeirs/family_tree [INFO] finished frobbing wspeirs/family_tree [INFO] frobbed toml for wspeirs/family_tree written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/wspeirs/family_tree/Cargo.toml [INFO] crate wspeirs/family_tree already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serde v1.0.83 [INFO] [stderr] Downloaded serde_derive v1.0.83 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing wspeirs/family_tree against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/wspeirs/family_tree:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"` [INFO] [stdout] 8ce7cea74ff27c2715fad88c5a62001eed211ac1ee7945ac13dde462d1c9913f [INFO] running `"docker" "start" "-a" "8ce7cea74ff27c2715fad88c5a62001eed211ac1ee7945ac13dde462d1c9913f"` [INFO] [stderr] Compiling serde v1.0.83 [INFO] [stderr] Compiling fixedbitset v0.1.9 [INFO] [stderr] Compiling ordermap v0.3.5 [INFO] [stderr] Compiling memchr v2.1.2 [INFO] [stderr] Compiling syn v0.15.23 [INFO] [stderr] Compiling pbr v1.0.1 [INFO] [stderr] Compiling simple_logger v1.0.1 [INFO] [stderr] Compiling csv-core v0.1.5 [INFO] [stderr] Compiling petgraph v0.4.13 [INFO] [stderr] Compiling serde_derive v1.0.83 [INFO] [stderr] Compiling csv v1.0.5 [INFO] [stderr] Compiling family_tree v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/main.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `IntoNodeReferences` [INFO] [stderr] --> src/main.rs:12:28 [INFO] [stderr] | [INFO] [stderr] 12 | use petgraph::visit::{Dfs, IntoNodeReferences}; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Config`, `Dot` [INFO] [stderr] --> src/main.rs:13:21 [INFO] [stderr] | [INFO] [stderr] 13 | use petgraph::dot::{Dot, Config}; [INFO] [stderr] | ^^^ ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:133:9 [INFO] [stderr] | [INFO] [stderr] 133 | let mut min_generation = 0; [INFO] [stderr] | ----^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 38.76s [INFO] running `"docker" "inspect" "8ce7cea74ff27c2715fad88c5a62001eed211ac1ee7945ac13dde462d1c9913f"` [INFO] running `"docker" "rm" "-f" "8ce7cea74ff27c2715fad88c5a62001eed211ac1ee7945ac13dde462d1c9913f"` [INFO] [stdout] 8ce7cea74ff27c2715fad88c5a62001eed211ac1ee7945ac13dde462d1c9913f [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/wspeirs/family_tree:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"` [INFO] [stdout] 1a7073b23bee3e0a4146006a2f6c5b24002b602657a52d09876b239341c3be2d [INFO] running `"docker" "start" "-a" "1a7073b23bee3e0a4146006a2f6c5b24002b602657a52d09876b239341c3be2d"` [INFO] [stderr] Compiling family_tree v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/main.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `IntoNodeReferences` [INFO] [stderr] --> src/main.rs:12:28 [INFO] [stderr] | [INFO] [stderr] 12 | use petgraph::visit::{Dfs, IntoNodeReferences}; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Config`, `Dot` [INFO] [stderr] --> src/main.rs:13:21 [INFO] [stderr] | [INFO] [stderr] 13 | use petgraph::dot::{Dot, Config}; [INFO] [stderr] | ^^^ ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:133:9 [INFO] [stderr] | [INFO] [stderr] 133 | let mut min_generation = 0; [INFO] [stderr] | ----^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.99s [INFO] running `"docker" "inspect" "1a7073b23bee3e0a4146006a2f6c5b24002b602657a52d09876b239341c3be2d"` [INFO] running `"docker" "rm" "-f" "1a7073b23bee3e0a4146006a2f6c5b24002b602657a52d09876b239341c3be2d"` [INFO] [stdout] 1a7073b23bee3e0a4146006a2f6c5b24002b602657a52d09876b239341c3be2d [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/wspeirs/family_tree:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"` [INFO] [stdout] afe12a3dddb069ad391a74a8b5159a46a7dbbff8b98e957b9e4e063ca00d99d2 [INFO] running `"docker" "start" "-a" "afe12a3dddb069ad391a74a8b5159a46a7dbbff8b98e957b9e4e063ca00d99d2"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running /opt/crater/target/debug/deps/family_tree-726e02fce443f0ba [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 [INFO] [stdout] [INFO] running `"docker" "inspect" "afe12a3dddb069ad391a74a8b5159a46a7dbbff8b98e957b9e4e063ca00d99d2"` [INFO] running `"docker" "rm" "-f" "afe12a3dddb069ad391a74a8b5159a46a7dbbff8b98e957b9e4e063ca00d99d2"` [INFO] [stdout] afe12a3dddb069ad391a74a8b5159a46a7dbbff8b98e957b9e4e063ca00d99d2