[INFO] cloning repository https://github.com/HopedWall/rs-cactusgraph
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/HopedWall/rs-cactusgraph" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHopedWall%2Frs-cactusgraph", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHopedWall%2Frs-cactusgraph'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 26d211428a201ecbb24678357fe2c3f0fb9eb9b3
[INFO] checking HopedWall/rs-cactusgraph against master#430feb24a46993e5073c1bb1b39da190d83fa2bf for pr-78363
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHopedWall%2Frs-cactusgraph" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/HopedWall/rs-cactusgraph on toolchain 430feb24a46993e5073c1bb1b39da190d83fa2bf
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/HopedWall/rs-cactusgraph
[INFO] finished tweaking git repo https://github.com/HopedWall/rs-cactusgraph
[INFO] tweaked toml for git repo https://github.com/HopedWall/rs-cactusgraph written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/HopedWall/rs-cactusgraph already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "fetch" "--locked" "--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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a87447b7815f67e3dddbd0e8d3a5a9ceb84cc2ba74db2c704ede5a5ef03eda3d
[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" "a87447b7815f67e3dddbd0e8d3a5a9ceb84cc2ba74db2c704ede5a5ef03eda3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a87447b7815f67e3dddbd0e8d3a5a9ceb84cc2ba74db2c704ede5a5ef03eda3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a87447b7815f67e3dddbd0e8d3a5a9ceb84cc2ba74db2c704ede5a5ef03eda3d", kill_on_drop: false }`
[INFO] [stdout] a87447b7815f67e3dddbd0e8d3a5a9ceb84cc2ba74db2c704ede5a5ef03eda3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e414ca093173d94447692fdb6df9ecfe8aca1a3bb6c0934154490b721e91845a
[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" "e414ca093173d94447692fdb6df9ecfe8aca1a3bb6c0934154490b721e91845a", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling indexmap v1.5.1
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking gfa v0.5.0
[INFO] [stderr]     Checking gfa v0.2.3
[INFO] [stderr]     Checking handlegraph v0.2.0
[INFO] [stderr]    Compiling structopt-derive v0.4.9
[INFO] [stderr]     Checking structopt v0.3.16
[INFO] [stderr]     Checking three-edge-connected v0.1.0 (https://github.com/chfi/rs-3-edge#d2b6e5a4)
[INFO] [stderr]     Checking rs-cactusgraph v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `handlegraph::hashgraph::*`
[INFO] [stdout]  --> src/biedged_to_cactus.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use handlegraph::hashgraph::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::PathBuf`
[INFO] [stdout]  --> src/biedged_to_cactus.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::path::PathBuf;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `gfa::parser::parse_gfa`
[INFO] [stdout]  --> src/biedged_to_cactus.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use gfa::parser::parse_gfa;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `handlegraph::hashgraph::*`
[INFO] [stdout]  --> src/biedged_to_cactus.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use handlegraph::hashgraph::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::PathBuf`
[INFO] [stdout]  --> src/biedged_to_cactus.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::path::PathBuf;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `gfa::parser::parse_gfa`
[INFO] [stdout]  --> src/biedged_to_cactus.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use gfa::parser::parse_gfa;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::biedgedgraph::*`
[INFO] [stdout]    --> src/biedged_to_cactus.rs:161:9
[INFO] [stdout]     |
[INFO] [stdout] 161 |     use crate::biedgedgraph::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/biedged_to_cactus.rs:67:53
[INFO] [stdout]    |
[INFO] [stdout] 67 |             component.iter().enumerate().for_each(|(i, j)| {
[INFO] [stdout]    |                                                     ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `loop_edges` is never read
[INFO] [stdout]    --> src/biedged_to_cactus.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 151 |     let mut loop_edges: Vec<Vec<BiedgedEdge>> = Vec::new();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `removed`
[INFO] [stdout]    --> src/biedgedgraph.rs:115:17
[INFO] [stdout]     |
[INFO] [stdout] 115 |             let removed = self.graph.remove_node(id);
[INFO] [stdout]     |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_removed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `removed_edges` is never read
[INFO] [stdout]    --> src/biedgedgraph.rs:131:13
[INFO] [stdout]     |
[INFO] [stdout] 131 |         let mut removed_edges: Vec<BiedgedEdge> = Vec::new();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/biedged_to_cactus.rs:67:53
[INFO] [stdout]    |
[INFO] [stdout] 67 |             component.iter().enumerate().for_each(|(i, j)| {
[INFO] [stdout]    |                                                     ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `loop_edges` is never read
[INFO] [stdout]    --> src/biedged_to_cactus.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 151 |     let mut loop_edges: Vec<Vec<BiedgedEdge>> = Vec::new();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `removed`
[INFO] [stdout]    --> src/biedgedgraph.rs:115:17
[INFO] [stdout]     |
[INFO] [stdout] 115 |             let removed = self.graph.remove_node(id);
[INFO] [stdout]     |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_removed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `removed_edges` is never read
[INFO] [stdout]    --> src/biedgedgraph.rs:131:13
[INFO] [stdout]     |
[INFO] [stdout] 131 |         let mut removed_edges: Vec<BiedgedEdge> = Vec::new();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `nodeId` should have a snake case name
[INFO] [stdout]   --> src/biedged_to_cactus.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |     for nodeId in component {
[INFO] [stdout]    |         ^^^^^^ help: convert the identifier to snake case: `node_id`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `nodeId` should have a snake case name
[INFO] [stdout]   --> src/biedged_to_cactus.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |     for nodeId in component {
[INFO] [stdout]    |         ^^^^^^ help: convert the identifier to snake case: `node_id`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.27s
[INFO] running `Command { std: "docker" "inspect" "e414ca093173d94447692fdb6df9ecfe8aca1a3bb6c0934154490b721e91845a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e414ca093173d94447692fdb6df9ecfe8aca1a3bb6c0934154490b721e91845a", kill_on_drop: false }`
[INFO] [stdout] e414ca093173d94447692fdb6df9ecfe8aca1a3bb6c0934154490b721e91845a