[INFO] updating cached repository https://github.com/wspeirs/family_tree
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d82a4a12d40dc3d58211d1c2374cb72236f0f6f6
[INFO] testing wspeirs/family_tree against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwspeirs%2Ffamily_tree" "work/builds/worker-0/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wspeirs/family_tree on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/wspeirs/family_tree
[INFO] finished tweaking git repo https://github.com/wspeirs/family_tree
[INFO] tweaked toml for git repo https://github.com/wspeirs/family_tree written to work/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/wspeirs/family_tree already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] faeea3f71871ba0153dda9df99c7c047ee2ab48a2c47b7016814a29f800a3c46
[INFO] running `"docker" "start" "-a" "faeea3f71871ba0153dda9df99c7c047ee2ab48a2c47b7016814a29f800a3c46"`
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]    Compiling pbr v1.0.1
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling csv-core v0.1.5
[INFO] [stderr]    Compiling simple_logger v1.0.1
[INFO] [stderr]    Compiling csv v1.0.5
[INFO] [stderr]    Compiling family_tree v0.1.0 (/opt/rustwide/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 7.58s
[INFO] running `"docker" "inspect" "faeea3f71871ba0153dda9df99c7c047ee2ab48a2c47b7016814a29f800a3c46"`
[INFO] running `"docker" "rm" "-f" "faeea3f71871ba0153dda9df99c7c047ee2ab48a2c47b7016814a29f800a3c46"`
[INFO] [stdout] faeea3f71871ba0153dda9df99c7c047ee2ab48a2c47b7016814a29f800a3c46
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] c3ba1423413b787feb7fb88d705d103cd7f7039465a8f6655122bfeee62462dc
[INFO] running `"docker" "start" "-a" "c3ba1423413b787feb7fb88d705d103cd7f7039465a8f6655122bfeee62462dc"`
[INFO] [stderr]    Compiling family_tree v0.1.0 (/opt/rustwide/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 1.29s
[INFO] running `"docker" "inspect" "c3ba1423413b787feb7fb88d705d103cd7f7039465a8f6655122bfeee62462dc"`
[INFO] running `"docker" "rm" "-f" "c3ba1423413b787feb7fb88d705d103cd7f7039465a8f6655122bfeee62462dc"`
[INFO] [stdout] c3ba1423413b787feb7fb88d705d103cd7f7039465a8f6655122bfeee62462dc
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 9ca379c9367b77789e3ecf742c701ab85ed0460e25fb84d8185b80b149579635
[INFO] running `"docker" "start" "-a" "9ca379c9367b77789e3ecf742c701ab85ed0460e25fb84d8185b80b149579635"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/family_tree-99ae56bbd893c2d7
[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" "9ca379c9367b77789e3ecf742c701ab85ed0460e25fb84d8185b80b149579635"`
[INFO] running `"docker" "rm" "-f" "9ca379c9367b77789e3ecf742c701ab85ed0460e25fb84d8185b80b149579635"`
[INFO] [stdout] 9ca379c9367b77789e3ecf742c701ab85ed0460e25fb84d8185b80b149579635