[INFO] cloning repository https://github.com/7M351/honeycomb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/7M351/honeycomb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F7M351%2Fhoneycomb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F7M351%2Fhoneycomb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2564c86851e718fffb89a10f5abcaa7989707875
[INFO] checking 7M351/honeycomb against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F7M351%2Fhoneycomb" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/7M351/honeycomb
[INFO] finished tweaking git repo https://github.com/7M351/honeycomb
[INFO] tweaked toml for git repo https://github.com/7M351/honeycomb written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/7M351/honeycomb on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/7M351/honeycomb 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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 99a65e5163c66dee4e457af0e786e5c4741dd2a3b53b6638bfa8745cacb9b6da
[INFO] running `Command { std: "docker" "start" "-a" "99a65e5163c66dee4e457af0e786e5c4741dd2a3b53b6638bfa8745cacb9b6da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99a65e5163c66dee4e457af0e786e5c4741dd2a3b53b6638bfa8745cacb9b6da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99a65e5163c66dee4e457af0e786e5c4741dd2a3b53b6638bfa8745cacb9b6da", kill_on_drop: false }`
[INFO] [stdout] 99a65e5163c66dee4e457af0e786e5c4741dd2a3b53b6638bfa8745cacb9b6da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b17a085cf51b3a439e7f9791ee6efe19c3fd040b02da91c8307bcbc590241ce
[INFO] running `Command { std: "docker" "start" "-a" "5b17a085cf51b3a439e7f9791ee6efe19c3fd040b02da91c8307bcbc590241ce", kill_on_drop: false }`
[INFO] [stderr]     Checking honeycomb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Folded` is never constructed
[INFO] [stdout]  --> src/triangle.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Folded {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TriDir` is never used
[INFO] [stdout]   --> src/triangle.rs:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | enum TriDir {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `reverse` is never used
[INFO] [stdout]   --> src/triangle.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl TriDir {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] 18 |     fn reverse(self) -> Self {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Folded` is never constructed
[INFO] [stdout]  --> src/triangle.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Folded {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TriDir` is never used
[INFO] [stdout]   --> src/triangle.rs:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | enum TriDir {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `reverse` is never used
[INFO] [stdout]   --> src/triangle.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl TriDir {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] 18 |     fn reverse(self) -> Self {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "5b17a085cf51b3a439e7f9791ee6efe19c3fd040b02da91c8307bcbc590241ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b17a085cf51b3a439e7f9791ee6efe19c3fd040b02da91c8307bcbc590241ce", kill_on_drop: false }`
[INFO] [stdout] 5b17a085cf51b3a439e7f9791ee6efe19c3fd040b02da91c8307bcbc590241ce
