[INFO] cloning repository https://github.com/Flavia95/bubblecov
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Flavia95/bubblecov" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFlavia95%2Fbubblecov", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFlavia95%2Fbubblecov'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 44035564d8291d57950282a091df4702f467df05
[INFO] checking Flavia95/bubblecov against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFlavia95%2Fbubblecov" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Flavia95/bubblecov on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Flavia95/bubblecov
[INFO] finished tweaking git repo https://github.com/Flavia95/bubblecov
[INFO] tweaked toml for git repo https://github.com/Flavia95/bubblecov written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/Flavia95/bubblecov already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gfa v0.2.3
[INFO] [stderr]   Downloaded handlegraph v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d6b179cbff9005879351e6a3aa1a4b9112b5dbc8c7ace1a7e8cd21b0f76bac6
[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" "8d6b179cbff9005879351e6a3aa1a4b9112b5dbc8c7ace1a7e8cd21b0f76bac6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d6b179cbff9005879351e6a3aa1a4b9112b5dbc8c7ace1a7e8cd21b0f76bac6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d6b179cbff9005879351e6a3aa1a4b9112b5dbc8c7ace1a7e8cd21b0f76bac6", kill_on_drop: false }`
[INFO] [stdout] 8d6b179cbff9005879351e6a3aa1a4b9112b5dbc8c7ace1a7e8cd21b0f76bac6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2f8b306097cefcacc1d20864b6f92086c2ca3532af599ac6f5a46aafa99fa0c
[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" "e2f8b306097cefcacc1d20864b6f92086c2ca3532af599ac6f5a46aafa99fa0c", kill_on_drop: false }`
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling priority-queue v1.0.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking lexical-core v0.7.4
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking gfa v0.2.3
[INFO] [stderr]     Checking handlegraph v0.2.0
[INFO] [stderr]     Checking handlegraph-cli v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::BTreeMap`
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::collections::BTreeMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `handlegraph::handlegraph::HandleGraph`
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use handlegraph::handlegraph::HandleGraph;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `handle_edges_iter`
[INFO] [stdout]   --> src/main.rs:18:32
[INFO] [stdout]    |
[INFO] [stdout] 18 | use handlegraph::handlegraph::{handle_edges_iter, handles_iter};
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Direction`, `Edge`, `NodeId`
[INFO] [stdout]   --> src/main.rs:19:27
[INFO] [stdout]    |
[INFO] [stdout] 19 | use handlegraph::handle::{Direction, Edge, Handle, NodeId};
[INFO] [stdout]    |                           ^^^^^^^^^  ^^^^          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::BTreeMap`
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::collections::BTreeMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `handlegraph::handlegraph::HandleGraph`
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use handlegraph::handlegraph::HandleGraph;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `handle_edges_iter`
[INFO] [stdout]   --> src/main.rs:18:32
[INFO] [stdout]    |
[INFO] [stdout] 18 | use handlegraph::handlegraph::{handle_edges_iter, handles_iter};
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Direction`, `Edge`, `NodeId`
[INFO] [stdout]   --> src/main.rs:19:27
[INFO] [stdout]    |
[INFO] [stdout] 19 | use handlegraph::handle::{Direction, Edge, Handle, NodeId};
[INFO] [stdout]    |                           ^^^^^^^^^  ^^^^          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.52s
[INFO] running `Command { std: "docker" "inspect" "e2f8b306097cefcacc1d20864b6f92086c2ca3532af599ac6f5a46aafa99fa0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2f8b306097cefcacc1d20864b6f92086c2ca3532af599ac6f5a46aafa99fa0c", kill_on_drop: false }`
[INFO] [stdout] e2f8b306097cefcacc1d20864b6f92086c2ca3532af599ac6f5a46aafa99fa0c