[INFO] cloning repository https://github.com/dezmound/graph2vec
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dezmound/graph2vec" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdezmound%2Fgraph2vec", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdezmound%2Fgraph2vec'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ce7d4cf4793cf05698707dd6a5fcc156624dc9be
[INFO] checking dezmound/graph2vec against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdezmound%2Fgraph2vec" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dezmound/graph2vec on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dezmound/graph2vec
[INFO] finished tweaking git repo https://github.com/dezmound/graph2vec
[INFO] tweaked toml for git repo https://github.com/dezmound/graph2vec written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/dezmound/graph2vec already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9c497c780acfb6248ee50b2fb07472cec018c74f82c528caaad951cebc10043e
[INFO] running `Command { std: "docker" "start" "-a" "9c497c780acfb6248ee50b2fb07472cec018c74f82c528caaad951cebc10043e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c497c780acfb6248ee50b2fb07472cec018c74f82c528caaad951cebc10043e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c497c780acfb6248ee50b2fb07472cec018c74f82c528caaad951cebc10043e", kill_on_drop: false }`
[INFO] [stdout] 9c497c780acfb6248ee50b2fb07472cec018c74f82c528caaad951cebc10043e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a9ea598e5433fccdea1ee8735350d716a11773027537e6775e39e5c21a29f11
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2a9ea598e5433fccdea1ee8735350d716a11773027537e6775e39e5c21a29f11", kill_on_drop: false }`
[INFO] [stderr]     Checking json v0.11.13
[INFO] [stderr]     Checking graph2vec v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/graph/to_vec.rs:5:21
[INFO] [stdout]   |
[INFO] [stdout] 5 | impl fmt::Debug for ToVec {
[INFO] [stdout]   |                     ^^^^^ help: use `dyn`: `dyn ToVec`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/graph/vectorize.rs:1032:14
[INFO] [stdout]      |
[INFO] [stdout] 1032 |     Algo(Arc<ToVec>),
[INFO] [stdout]      |              ^^^^^ help: use `dyn`: `dyn ToVec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/graph/mod.rs:83:52
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn set_vectorize(&mut self, vectorize: Arc<to_vec::ToVec>) -> &mut Self {
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^ help: use `dyn`: `dyn to_vec::ToVec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `graph::vectorize::BoW`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use graph::vectorize::BoW;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/graph/to_vec.rs:5:21
[INFO] [stdout]   |
[INFO] [stdout] 5 | impl fmt::Debug for ToVec {
[INFO] [stdout]   |                     ^^^^^ help: use `dyn`: `dyn ToVec`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/graph/vectorize.rs:1032:14
[INFO] [stdout]      |
[INFO] [stdout] 1032 |     Algo(Arc<ToVec>),
[INFO] [stdout]      |              ^^^^^ help: use `dyn`: `dyn ToVec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/graph/mod.rs:83:52
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn set_vectorize(&mut self, vectorize: Arc<to_vec::ToVec>) -> &mut Self {
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^ help: use `dyn`: `dyn to_vec::ToVec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `graph::vectorize::BoW`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use graph::vectorize::BoW;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/graph/vectorize.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn new(graph: Arc<Graph>) -> BoW {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/graph/vectorize.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn new(graph: Arc<Graph>) -> BoW {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.01s
[INFO] running `Command { std: "docker" "inspect" "2a9ea598e5433fccdea1ee8735350d716a11773027537e6775e39e5c21a29f11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a9ea598e5433fccdea1ee8735350d716a11773027537e6775e39e5c21a29f11", kill_on_drop: false }`
[INFO] [stdout] 2a9ea598e5433fccdea1ee8735350d716a11773027537e6775e39e5c21a29f11