[INFO] cloning repository https://github.com/rickbeeloo/subgraphs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rickbeeloo/subgraphs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frickbeeloo%2Fsubgraphs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frickbeeloo%2Fsubgraphs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 726534522a7820b7790ff91f16a37bcbd2c4f196
[INFO] checking rickbeeloo/subgraphs against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frickbeeloo%2Fsubgraphs" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rickbeeloo/subgraphs
[INFO] finished tweaking git repo https://github.com/rickbeeloo/subgraphs
[INFO] tweaked toml for git repo https://github.com/rickbeeloo/subgraphs written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rickbeeloo/subgraphs on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rickbeeloo/subgraphs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] af2dd82f30caeef6c5a09480bfe7f8a1521fb66c298fb0e999f1fd15c748ec85
[INFO] running `Command { std: "docker" "start" "-a" "af2dd82f30caeef6c5a09480bfe7f8a1521fb66c298fb0e999f1fd15c748ec85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af2dd82f30caeef6c5a09480bfe7f8a1521fb66c298fb0e999f1fd15c748ec85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af2dd82f30caeef6c5a09480bfe7f8a1521fb66c298fb0e999f1fd15c748ec85", kill_on_drop: false }`
[INFO] [stdout] af2dd82f30caeef6c5a09480bfe7f8a1521fb66c298fb0e999f1fd15c748ec85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f98a0d931c1373bbe3d74d8fe131f67b3a3e4b1bd2b59f67057d719abcf36323
[INFO] running `Command { std: "docker" "start" "-a" "f98a0d931c1373bbe3d74d8fe131f67b3a3e4b1bd2b59f67057d719abcf36323", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking memchr v2.6.3
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking regex-syntax v0.7.5
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking aho-corasick v1.1.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking regex-automata v0.3.8
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking regex v1.9.5
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking subgraphs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `debug` is never read
[INFO] [stdout]    --> src/main.rs:291:5
[INFO] [stdout]     |
[INFO] [stdout] 287 | struct Opt {
[INFO] [stdout]     |        --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 291 |     debug: bool,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Opt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `debug` is never read
[INFO] [stdout]    --> src/main.rs:291:5
[INFO] [stdout]     |
[INFO] [stdout] 287 | struct Opt {
[INFO] [stdout]     |        --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 291 |     debug: bool,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Opt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/main.rs:294:5
[INFO] [stdout]     |
[INFO] [stdout] 294 | /     #[structopt(short = "g", long = "graph", about = "Path to graph file, cf.seq")]
[INFO] [stdout] 295 | |     graph_file: String,
[INFO] [stdout]     | |______________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/main.rs:297:5
[INFO] [stdout]     |
[INFO] [stdout] 297 | /     #[structopt(short = "s", long = "seq", about = "Path to node sequence file, cf.seg")]
[INFO] [stdout] 298 | |     seq_file: String,
[INFO] [stdout]     | |____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/main.rs:303:5
[INFO] [stdout]     |
[INFO] [stdout] 303 | /     #[structopt(short="i", long = "target", about = "Identifier of target path")]
[INFO] [stdout] 304 | |     target: String,
[INFO] [stdout]     | |__________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/main.rs:315:5
[INFO] [stdout]     |
[INFO] [stdout] 315 | /     #[structopt(short="o", long = "output", about = "Output path to write GFA to")]
[INFO] [stdout] 316 | |     output: String,
[INFO] [stdout]     | |__________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/main.rs:318:5
[INFO] [stdout]     |
[INFO] [stdout] 318 | /     #[structopt(short="m", long = "tmp", about = "Tepm dir")]
[INFO] [stdout] 319 | |     tmp: String,
[INFO] [stdout]     | |_______________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/main.rs:329:5
[INFO] [stdout]     |
[INFO] [stdout] 329 | /     #[structopt(short = "p", long = "coord_path")]
[INFO] [stdout] 330 | |     coord_path: Option<String>,
[INFO] [stdout]     | |______________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/main.rs:337:5
[INFO] [stdout]     |
[INFO] [stdout] 337 | /     #[structopt(short = "a", long = "color_path")]
[INFO] [stdout] 338 | |     color_path: Option<String>,
[INFO] [stdout]     | |______________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/main.rs:294:5
[INFO] [stdout]     |
[INFO] [stdout] 294 | /     #[structopt(short = "g", long = "graph", about = "Path to graph file, cf.seq")]
[INFO] [stdout] 295 | |     graph_file: String,
[INFO] [stdout]     | |______________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/main.rs:297:5
[INFO] [stdout]     |
[INFO] [stdout] 297 | /     #[structopt(short = "s", long = "seq", about = "Path to node sequence file, cf.seg")]
[INFO] [stdout] 298 | |     seq_file: String,
[INFO] [stdout]     | |____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/main.rs:303:5
[INFO] [stdout]     |
[INFO] [stdout] 303 | /     #[structopt(short="i", long = "target", about = "Identifier of target path")]
[INFO] [stdout] 304 | |     target: String,
[INFO] [stdout]     | |__________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/main.rs:315:5
[INFO] [stdout]     |
[INFO] [stdout] 315 | /     #[structopt(short="o", long = "output", about = "Output path to write GFA to")]
[INFO] [stdout] 316 | |     output: String,
[INFO] [stdout]     | |__________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/main.rs:318:5
[INFO] [stdout]     |
[INFO] [stdout] 318 | /     #[structopt(short="m", long = "tmp", about = "Tepm dir")]
[INFO] [stdout] 319 | |     tmp: String,
[INFO] [stdout]     | |_______________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/main.rs:329:5
[INFO] [stdout]     |
[INFO] [stdout] 329 | /     #[structopt(short = "p", long = "coord_path")]
[INFO] [stdout] 330 | |     coord_path: Option<String>,
[INFO] [stdout]     | |______________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/main.rs:337:5
[INFO] [stdout]     |
[INFO] [stdout] 337 | /     #[structopt(short = "a", long = "color_path")]
[INFO] [stdout] 338 | |     color_path: Option<String>,
[INFO] [stdout]     | |______________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `subgraphs` (bin "subgraphs" test) due to 7 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `subgraphs` (bin "subgraphs") due to 7 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "f98a0d931c1373bbe3d74d8fe131f67b3a3e4b1bd2b59f67057d719abcf36323", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f98a0d931c1373bbe3d74d8fe131f67b3a3e4b1bd2b59f67057d719abcf36323", kill_on_drop: false }`
[INFO] [stdout] f98a0d931c1373bbe3d74d8fe131f67b3a3e4b1bd2b59f67057d719abcf36323