[INFO] fetching crate dependency-tree-generator 0.1.0...
[INFO] testing dependency-tree-generator-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate dependency-tree-generator 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate dependency-tree-generator 0.1.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dependency-tree-generator 0.1.0
[INFO] finished tweaking crates.io crate dependency-tree-generator 0.1.0
[INFO] tweaked toml for crates.io crate dependency-tree-generator 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate dependency-tree-generator 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 3bbaaa91d1df77d80f0f083fced6fa71f025d7f496dfe0a5a0bde93657eb8075
[INFO] running `Command { std: "docker" "start" "-a" "3bbaaa91d1df77d80f0f083fced6fa71f025d7f496dfe0a5a0bde93657eb8075", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3bbaaa91d1df77d80f0f083fced6fa71f025d7f496dfe0a5a0bde93657eb8075", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bbaaa91d1df77d80f0f083fced6fa71f025d7f496dfe0a5a0bde93657eb8075", kill_on_drop: false }`
[INFO] [stdout] 3bbaaa91d1df77d80f0f083fced6fa71f025d7f496dfe0a5a0bde93657eb8075
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", 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] e9677aef26abc1d079b81fc85b8a3b2b9a01a7ee72455fac6c19ba1676b986e1
[INFO] running `Command { std: "docker" "start" "-a" "e9677aef26abc1d079b81fc85b8a3b2b9a01a7ee72455fac6c19ba1676b986e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling network_vis v0.1.2
[INFO] [stderr]    Compiling dependency-tree-generator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `fs`, `net::ToSocketAddrs`, `self`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     fs,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 3 |     io::{self, BufRead},
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 4 |     net::ToSocketAddrs,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `edge_options::EdgeOptions`
[INFO] [stdout]  --> src/main.rs:8:19
[INFO] [stdout]   |
[INFO] [stdout] 8 | use network_vis::{edge_options::EdgeOptions, network::Network, node_options::NodeOptions};
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tree::Tree`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use tree::Tree;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/main.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 |     io::{self, BufRead},
[INFO] [stdout]   |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `input` is never read
[INFO] [stdout]   --> src/main.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mut input = String::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: `x`
[INFO] [stdout]   --> src/tree.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |     for x in 0..4*mul {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.15s
[INFO] running `Command { std: "docker" "inspect" "e9677aef26abc1d079b81fc85b8a3b2b9a01a7ee72455fac6c19ba1676b986e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9677aef26abc1d079b81fc85b8a3b2b9a01a7ee72455fac6c19ba1676b986e1", kill_on_drop: false }`
[INFO] [stdout] e9677aef26abc1d079b81fc85b8a3b2b9a01a7ee72455fac6c19ba1676b986e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", 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] 15ec1a30bfdce68fca725778b5021ba2f90acadbce95ca348c882b06d155ea38
[INFO] running `Command { std: "docker" "start" "-a" "15ec1a30bfdce68fca725778b5021ba2f90acadbce95ca348c882b06d155ea38", kill_on_drop: false }`
[INFO] [stderr]    Compiling dependency-tree-generator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `fs`, `net::ToSocketAddrs`, `self`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     fs,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 3 |     io::{self, BufRead},
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 4 |     net::ToSocketAddrs,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `edge_options::EdgeOptions`
[INFO] [stdout]  --> src/main.rs:8:19
[INFO] [stdout]   |
[INFO] [stdout] 8 | use network_vis::{edge_options::EdgeOptions, network::Network, node_options::NodeOptions};
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tree::Tree`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use tree::Tree;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/main.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 |     io::{self, BufRead},
[INFO] [stdout]   |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `input` is never read
[INFO] [stdout]   --> src/main.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mut input = String::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: `x`
[INFO] [stdout]   --> src/tree.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |     for x in 0..4*mul {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.01s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/dependency_tree_generator-244e4774c85b320d)
[INFO] running `Command { std: "docker" "inspect" "15ec1a30bfdce68fca725778b5021ba2f90acadbce95ca348c882b06d155ea38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15ec1a30bfdce68fca725778b5021ba2f90acadbce95ca348c882b06d155ea38", kill_on_drop: false }`
[INFO] [stdout] 15ec1a30bfdce68fca725778b5021ba2f90acadbce95ca348c882b06d155ea38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", 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] 9f3bc75a883373331fbc1a868e3e9e2e8a7f957ca70f3f8fd564ab3c76138e1b
[INFO] running `Command { std: "docker" "start" "-a" "9f3bc75a883373331fbc1a868e3e9e2e8a7f957ca70f3f8fd564ab3c76138e1b", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `fs`, `net::ToSocketAddrs`, `self`
[INFO] [stdout] 
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stdout] running 0 tests
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr] 2 |     fs,
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]   |     ^^
[INFO] [stdout] 
[INFO] [stderr] 3 |     io::{self, BufRead},
[INFO] [stderr]   |          ^^^^
[INFO] [stderr] 4 |     net::ToSocketAddrs,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `edge_options::EdgeOptions`
[INFO] [stderr]  --> src/main.rs:8:19
[INFO] [stderr]   |
[INFO] [stderr] 8 | use network_vis::{edge_options::EdgeOptions, network::Network, node_options::NodeOptions};
[INFO] [stderr]   |                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tree::Tree`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use tree::Tree;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BufRead`
[INFO] [stderr]  --> src/main.rs:3:16
[INFO] [stderr]   |
[INFO] [stderr] 3 |     io::{self, BufRead},
[INFO] [stderr]   |                ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `input` is never read
[INFO] [stderr]   --> src/main.rs:16:13
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let mut input = String::new();
[INFO] [stderr]    |             ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/tree.rs:43:9
[INFO] [stderr]    |
[INFO] [stderr] 43 |     for x in 0..4*mul {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `dependency-tree-generator` (bin "dependency-tree-generator" test) generated 6 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/dependency_tree_generator-244e4774c85b320d)
[INFO] running `Command { std: "docker" "inspect" "9f3bc75a883373331fbc1a868e3e9e2e8a7f957ca70f3f8fd564ab3c76138e1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f3bc75a883373331fbc1a868e3e9e2e8a7f957ca70f3f8fd564ab3c76138e1b", kill_on_drop: false }`
[INFO] [stdout] 9f3bc75a883373331fbc1a868e3e9e2e8a7f957ca70f3f8fd564ab3c76138e1b