[INFO] cloning repository https://github.com/progician/graph_build
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/progician/graph_build" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprogician%2Fgraph_build", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprogician%2Fgraph_build'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 79c678c853fe958811a1845f25261bcb7f3a7574
[INFO] building progician/graph_build against master#a29f341a8ac4e9325a5e37027b4215f50a76d06f for pr-101929
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprogician%2Fgraph_build" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/progician/graph_build on toolchain a29f341a8ac4e9325a5e37027b4215f50a76d06f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a29f341a8ac4e9325a5e37027b4215f50a76d06f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/progician/graph_build
[INFO] finished tweaking git repo https://github.com/progician/graph_build
[INFO] tweaked toml for git repo https://github.com/progician/graph_build written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/progician/graph_build already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a29f341a8ac4e9325a5e37027b4215f50a76d06f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+a29f341a8ac4e9325a5e37027b4215f50a76d06f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c12fe7f9324812b576cb6e5441152699c5de708cd5a8e9e77c53b8042ef46583
[INFO] running `Command { std: "docker" "start" "-a" "c12fe7f9324812b576cb6e5441152699c5de708cd5a8e9e77c53b8042ef46583", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c12fe7f9324812b576cb6e5441152699c5de708cd5a8e9e77c53b8042ef46583", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c12fe7f9324812b576cb6e5441152699c5de708cd5a8e9e77c53b8042ef46583", kill_on_drop: false }`
[INFO] [stdout] c12fe7f9324812b576cb6e5441152699c5de708cd5a8e9e77c53b8042ef46583
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+a29f341a8ac4e9325a5e37027b4215f50a76d06f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80a775d3381b18040631b9ca31cd5ca401d8f7e2c3192db9f5166eb07c966d29
[INFO] running `Command { std: "docker" "start" "-a" "80a775d3381b18040631b9ca31cd5ca401d8f7e2c3192db9f5166eb07c966d29", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling beef v0.4.4
[INFO] [stderr]    Compiling regex-syntax v0.6.20
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling logos-derive v0.11.5
[INFO] [stderr]    Compiling logos v0.11.4
[INFO] [stderr]    Compiling graph_build v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/graph.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn new<Stringish: AsRef<str>>(output: Stringish, rule: Stringish, input: Stringish) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/graph.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn new<Stringish: AsRef<str>>(name: Stringish, variables: Bindings) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `is_empty` is never used
[INFO] [stdout]   --> src/graph.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `build` is never used
[INFO] [stdout]   --> src/graph.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub fn build(&mut self, edge: Edge) -> Result<(), String> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.62s
[INFO] running `Command { std: "docker" "inspect" "80a775d3381b18040631b9ca31cd5ca401d8f7e2c3192db9f5166eb07c966d29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80a775d3381b18040631b9ca31cd5ca401d8f7e2c3192db9f5166eb07c966d29", kill_on_drop: false }`
[INFO] [stdout] 80a775d3381b18040631b9ca31cd5ca401d8f7e2c3192db9f5166eb07c966d29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+a29f341a8ac4e9325a5e37027b4215f50a76d06f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0897fc8ddb1611452ab86439e6318af41f3fcb7a44f8d3e3937d3d7512d40ad1
[INFO] running `Command { std: "docker" "start" "-a" "0897fc8ddb1611452ab86439e6318af41f3fcb7a44f8d3e3937d3d7512d40ad1", kill_on_drop: false }`
[INFO] [stderr]    Compiling graph_build v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "0897fc8ddb1611452ab86439e6318af41f3fcb7a44f8d3e3937d3d7512d40ad1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0897fc8ddb1611452ab86439e6318af41f3fcb7a44f8d3e3937d3d7512d40ad1", kill_on_drop: false }`
[INFO] [stdout] 0897fc8ddb1611452ab86439e6318af41f3fcb7a44f8d3e3937d3d7512d40ad1