[INFO] updating cached repository https://github.com/neosmart/pkg-graph
[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] 3b1689806266a18766f7107fd41252cd1ad57e70
[INFO] testing neosmart/pkg-graph against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneosmart%2Fpkg-graph" "work/builds/worker-3/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/neosmart/pkg-graph 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/neosmart/pkg-graph
[INFO] finished tweaking git repo https://github.com/neosmart/pkg-graph
[INFO] tweaked toml for git repo https://github.com/neosmart/pkg-graph written to work/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/neosmart/pkg-graph 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-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/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] 205f8b557fabe1cab4666ff3d4a2796def9091bdec0d20e3c7086654459ac5c1
[INFO] running `"docker" "start" "-a" "205f8b557fabe1cab4666ff3d4a2796def9091bdec0d20e3c7086654459ac5c1"`
[INFO] [stderr]    Compiling pkg-graph v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:72:29
[INFO] [stderr]    |
[INFO] [stderr] 72 |                         let mut v = entry.get_mut().as_mut().unwrap();
[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 1.20s
[INFO] running `"docker" "inspect" "205f8b557fabe1cab4666ff3d4a2796def9091bdec0d20e3c7086654459ac5c1"`
[INFO] running `"docker" "rm" "-f" "205f8b557fabe1cab4666ff3d4a2796def9091bdec0d20e3c7086654459ac5c1"`
[INFO] [stdout] 205f8b557fabe1cab4666ff3d4a2796def9091bdec0d20e3c7086654459ac5c1
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/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] 201d170077a88b24ce801fdcd18113bee9a40b7e0fb5450e6fa92dc8a5b5d217
[INFO] running `"docker" "start" "-a" "201d170077a88b24ce801fdcd18113bee9a40b7e0fb5450e6fa92dc8a5b5d217"`
[INFO] [stderr]    Compiling pkg-graph v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:72:29
[INFO] [stderr]    |
[INFO] [stderr] 72 |                         let mut v = entry.get_mut().as_mut().unwrap();
[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 0.41s
[INFO] running `"docker" "inspect" "201d170077a88b24ce801fdcd18113bee9a40b7e0fb5450e6fa92dc8a5b5d217"`
[INFO] running `"docker" "rm" "-f" "201d170077a88b24ce801fdcd18113bee9a40b7e0fb5450e6fa92dc8a5b5d217"`
[INFO] [stdout] 201d170077a88b24ce801fdcd18113bee9a40b7e0fb5450e6fa92dc8a5b5d217
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/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] a4b41c56f38e097b77b8646c84c5c968a890d1429e33b927325bfdc31195ab61
[INFO] running `"docker" "start" "-a" "a4b41c56f38e097b77b8646c84c5c968a890d1429e33b927325bfdc31195ab61"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/pkg_graph-c35edf71710e1eee
[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" "a4b41c56f38e097b77b8646c84c5c968a890d1429e33b927325bfdc31195ab61"`
[INFO] running `"docker" "rm" "-f" "a4b41c56f38e097b77b8646c84c5c968a890d1429e33b927325bfdc31195ab61"`
[INFO] [stdout] a4b41c56f38e097b77b8646c84c5c968a890d1429e33b927325bfdc31195ab61