[INFO] cloning repository https://github.com/4ge32/rddsv
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/4ge32/rddsv" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F4ge32%2Frddsv", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F4ge32%2Frddsv'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 680934a9ea4e9555df994c4e7d72b5a43acc2576
[INFO] testing 4ge32/rddsv against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F4ge32%2Frddsv" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/4ge32/rddsv on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/4ge32/rddsv
[INFO] finished tweaking git repo https://github.com/4ge32/rddsv
[INFO] tweaked toml for git repo https://github.com/4ge32/rddsv written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/4ge32/rddsv already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded file_diff v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4062b94c77233a8d74712e9975f78080e15830c10e6050f6c976500fcf1d59c5
[INFO] running `Command { std: "docker" "start" "-a" "4062b94c77233a8d74712e9975f78080e15830c10e6050f6c976500fcf1d59c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4062b94c77233a8d74712e9975f78080e15830c10e6050f6c976500fcf1d59c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4062b94c77233a8d74712e9975f78080e15830c10e6050f6c976500fcf1d59c5", kill_on_drop: false }`
[INFO] [stdout] 4062b94c77233a8d74712e9975f78080e15830c10e6050f6c976500fcf1d59c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87ed5454455058c2be4d5448d418089a01f5d6cfd67c4a2186c60190ddd55202
[INFO] running `Command { std: "docker" "start" "-a" "87ed5454455058c2be4d5448d418089a01f5d6cfd67c4a2186c60190ddd55202", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling file_diff v1.0.0
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling rddsv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `edge`
[INFO] [stdout]   --> src/algorithm.rs:14:21
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn has_edge(edge: usize) -> bool {
[INFO] [stdout]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_edge`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new`
[INFO] [stdout]   --> src/algorithm.rs:18:43
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn insert(&mut self, edge: usize, new: usize) {
[INFO] [stdout]    |                                           ^^^ help: if this is intentional, prefix it with an underscore: `_new`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `dimension`
[INFO] [stdout]  --> src/algorithm.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     dimension: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.21s
[INFO] running `Command { std: "docker" "inspect" "87ed5454455058c2be4d5448d418089a01f5d6cfd67c4a2186c60190ddd55202", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87ed5454455058c2be4d5448d418089a01f5d6cfd67c4a2186c60190ddd55202", kill_on_drop: false }`
[INFO] [stdout] 87ed5454455058c2be4d5448d418089a01f5d6cfd67c4a2186c60190ddd55202
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b888b3c4565cf830a18e978ede4a470f6f8f3422fdc4cb54aec32d964990f27
[INFO] running `Command { std: "docker" "start" "-a" "7b888b3c4565cf830a18e978ede4a470f6f8f3422fdc4cb54aec32d964990f27", kill_on_drop: false }`
[INFO] [stderr]    Compiling rddsv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `edge`
[INFO] [stdout]   --> src/algorithm.rs:14:21
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn has_edge(edge: usize) -> bool {
[INFO] [stdout]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_edge`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new`
[INFO] [stdout]   --> src/algorithm.rs:18:43
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn insert(&mut self, edge: usize, new: usize) {
[INFO] [stdout]    |                                           ^^^ help: if this is intentional, prefix it with an underscore: `_new`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `dimension`
[INFO] [stdout]  --> src/algorithm.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     dimension: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `edge`
[INFO] [stdout]   --> src/algorithm.rs:14:21
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn has_edge(edge: usize) -> bool {
[INFO] [stdout]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_edge`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new`
[INFO] [stdout]   --> src/algorithm.rs:18:43
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn insert(&mut self, edge: usize, new: usize) {
[INFO] [stdout]    |                                           ^^^ help: if this is intentional, prefix it with an underscore: `_new`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `dimension`
[INFO] [stdout]  --> src/algorithm.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     dimension: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.42s
[INFO] running `Command { std: "docker" "inspect" "7b888b3c4565cf830a18e978ede4a470f6f8f3422fdc4cb54aec32d964990f27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b888b3c4565cf830a18e978ede4a470f6f8f3422fdc4cb54aec32d964990f27", kill_on_drop: false }`
[INFO] [stdout] 7b888b3c4565cf830a18e978ede4a470f6f8f3422fdc4cb54aec32d964990f27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cc5fbdfbc5bb103a8ce1d2c230fa8cf6bd6fa216484a05dfdedb809fea2161dc
[INFO] running `Command { std: "docker" "start" "-a" "cc5fbdfbc5bb103a8ce1d2c230fa8cf6bd6fa216484a05dfdedb809fea2161dc", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `edge`
[INFO] [stderr]   --> src/algorithm.rs:14:21
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn has_edge(edge: usize) -> bool {
[INFO] [stderr]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_edge`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `new`
[INFO] [stderr]   --> src/algorithm.rs:18:43
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn insert(&mut self, edge: usize, new: usize) {
[INFO] [stderr]    |                                           ^^^ help: if this is intentional, prefix it with an underscore: `_new`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `dimension`
[INFO] [stderr]  --> src/algorithm.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     dimension: usize,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rddsv` (lib) generated 3 warnings
[INFO] [stderr] warning: `rddsv` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rddsv-7ed73cb11271e9cf)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rddsv
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cc5fbdfbc5bb103a8ce1d2c230fa8cf6bd6fa216484a05dfdedb809fea2161dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc5fbdfbc5bb103a8ce1d2c230fa8cf6bd6fa216484a05dfdedb809fea2161dc", kill_on_drop: false }`
[INFO] [stdout] cc5fbdfbc5bb103a8ce1d2c230fa8cf6bd6fa216484a05dfdedb809fea2161dc