[INFO] fetching crate ddgg 0.10.1...
[INFO] testing ddgg-0.10.1 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate ddgg 0.10.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate ddgg 0.10.1
[INFO] finished tweaking crates.io crate ddgg 0.10.1
[INFO] tweaked toml for crates.io crate ddgg 0.10.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ddgg 0.10.1 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 16 packages to latest compatible versions
[INFO] [stderr]       Adding snafu v0.7.5 (available: v0.8.9)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3477abf6255f7ab201728a56b143cabafb4baedd3b304386605daca1b51cdb65
[INFO] running `Command { std: "docker" "start" "-a" "3477abf6255f7ab201728a56b143cabafb4baedd3b304386605daca1b51cdb65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3477abf6255f7ab201728a56b143cabafb4baedd3b304386605daca1b51cdb65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3477abf6255f7ab201728a56b143cabafb4baedd3b304386605daca1b51cdb65", kill_on_drop: false }`
[INFO] [stdout] 3477abf6255f7ab201728a56b143cabafb4baedd3b304386605daca1b51cdb65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 567435c53526ed747dbee2c9b228158cb220d01ece1adb13324ff79e023cf9b3
[INFO] running `Command { std: "docker" "start" "-a" "567435c53526ed747dbee2c9b228158cb220d01ece1adb13324ff79e023cf9b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling doc-comment v0.3.4
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling snafu-derive v0.7.5
[INFO] [stderr]    Compiling snafu v0.7.5
[INFO] [stderr]    Compiling ddgg v0.10.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `vec_ref` is never used
[INFO] [stdout]    --> src/gen_vec.rs:299:19
[INFO] [stdout]     |
[INFO] [stdout] 127 | impl<T> GenVec<T> {
[INFO] [stdout]     | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 299 |     pub(crate) fn vec_ref(&self) -> &Vec<Element<T>> {
[INFO] [stdout]     |                   ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.85s
[INFO] running `Command { std: "docker" "inspect" "567435c53526ed747dbee2c9b228158cb220d01ece1adb13324ff79e023cf9b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "567435c53526ed747dbee2c9b228158cb220d01ece1adb13324ff79e023cf9b3", kill_on_drop: false }`
[INFO] [stdout] 567435c53526ed747dbee2c9b228158cb220d01ece1adb13324ff79e023cf9b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 736193b018f10485cf7b17152a7059ae9be068628481b589b5ba799c504a28f6
[INFO] running `Command { std: "docker" "start" "-a" "736193b018f10485cf7b17152a7059ae9be068628481b589b5ba799c504a28f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling ddgg v0.10.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `vec_ref` is never used
[INFO] [stdout]    --> src/gen_vec.rs:299:19
[INFO] [stdout]     |
[INFO] [stdout] 127 | impl<T> GenVec<T> {
[INFO] [stdout]     | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 299 |     pub(crate) fn vec_ref(&self) -> &Vec<Element<T>> {
[INFO] [stdout]     |                   ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `vec_ref` is never used
[INFO] [stdout]    --> src/gen_vec.rs:299:19
[INFO] [stdout]     |
[INFO] [stdout] 127 | impl<T> GenVec<T> {
[INFO] [stdout]     | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 299 |     pub(crate) fn vec_ref(&self) -> &Vec<Element<T>> {
[INFO] [stdout]     |                   ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.27s
[INFO] running `Command { std: "docker" "inspect" "736193b018f10485cf7b17152a7059ae9be068628481b589b5ba799c504a28f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "736193b018f10485cf7b17152a7059ae9be068628481b589b5ba799c504a28f6", kill_on_drop: false }`
[INFO] [stdout] 736193b018f10485cf7b17152a7059ae9be068628481b589b5ba799c504a28f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 69fab70f60e3763a646c9420f64ef1affd24733f13a319a95a0a526ab888f816
[INFO] running `Command { std: "docker" "start" "-a" "69fab70f60e3763a646c9420f64ef1affd24733f13a319a95a0a526ab888f816", kill_on_drop: false }`
[INFO] [stderr] warning: method `vec_ref` is never used
[INFO] [stderr]    --> src/gen_vec.rs:299:19
[INFO] [stderr]     |
[INFO] [stderr] 127 | impl<T> GenVec<T> {
[INFO] [stderr]     | ----------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 299 |     pub(crate) fn vec_ref(&self) -> &Vec<Element<T>> {
[INFO] [stderr]     |                   ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ddgg` (lib) generated 1 warning
[INFO] [stderr] warning: `ddgg` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ddgg-1e3774870feb7474)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test graph_tests::test_modify_data ... ok
[INFO] [stdout] test graph_tests::test_use_old_index ... ok
[INFO] [stdout] test graph_tests::test_undo_redo_edges ... ok
[INFO] [stdout] test graph_tests::test_vertex_data ... ok
[INFO] [stdout] test graph_tests::test_undo_redo ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ddgg
[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" "69fab70f60e3763a646c9420f64ef1affd24733f13a319a95a0a526ab888f816", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69fab70f60e3763a646c9420f64ef1affd24733f13a319a95a0a526ab888f816", kill_on_drop: false }`
[INFO] [stdout] 69fab70f60e3763a646c9420f64ef1affd24733f13a319a95a0a526ab888f816