[INFO] cloning repository https://github.com/jamespharaoh/jp-router
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jamespharaoh/jp-router" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamespharaoh%2Fjp-router", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamespharaoh%2Fjp-router'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2263ad8d4deae1504e974e6e7ecead63aec90119
[INFO] checking jamespharaoh/jp-router 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%2Fjamespharaoh%2Fjp-router" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jamespharaoh/jp-router
[INFO] finished tweaking git repo https://github.com/jamespharaoh/jp-router
[INFO] tweaked toml for git repo https://github.com/jamespharaoh/jp-router written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jamespharaoh/jp-router 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/jamespharaoh/jp-router 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] a9610446648a488ef45beedf6fc4bb19de394ffd5e93853c571d3b5c30254998
[INFO] running `Command { std: "docker" "start" "-a" "a9610446648a488ef45beedf6fc4bb19de394ffd5e93853c571d3b5c30254998", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9610446648a488ef45beedf6fc4bb19de394ffd5e93853c571d3b5c30254998", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9610446648a488ef45beedf6fc4bb19de394ffd5e93853c571d3b5c30254998", kill_on_drop: false }`
[INFO] [stdout] a9610446648a488ef45beedf6fc4bb19de394ffd5e93853c571d3b5c30254998
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] d6487b0d9ded3b33d193c62b93a6016ab145912e8c74e29e02679820ac32b571
[INFO] running `Command { std: "docker" "start" "-a" "d6487b0d9ded3b33d193c62b93a6016ab145912e8c74e29e02679820ac32b571", kill_on_drop: false }`
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[INFO] [stderr]     Checking jp-router-backend v0.1.0 (/opt/rustwide/workdir/backend)
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[INFO] [stdout] warning: fields `lan_bridge_iface` and `lan_iface` are never read
[INFO] [stdout]   --> backend/src/config.rs:41:6
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct CoreConfig {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 41 |     pub lan_bridge_iface: ArcStr,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 42 |     pub lan_iface: ArcStr,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `lan_bridge_iface` and `lan_iface` are never read
[INFO] [stdout]   --> backend/src/config.rs:41:6
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct CoreConfig {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 41 |     pub lan_bridge_iface: ArcStr,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 42 |     pub lan_iface: ArcStr,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[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: ControlFlow<Result<Infallible, Infallible>, arcstr::ArcStr>
[INFO] [stdout]   --> backend/src/dhcp_leases.rs:21:16
[INFO] [stdout]    |
[INFO] [stdout] 21 |         mac_address: "d6:f8:fc:49:c0:5d".parse () ?,
[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<arcstr::ArcStr, Infallible>
[INFO] [stdout]   --> backend/src/dhcp_leases.rs:21:16
[INFO] [stdout]    |
[INFO] [stdout] 21 |         mac_address: "d6:f8:fc:49:c0:5d".parse () ?,
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, arcstr::ArcStr>
[INFO] [stdout]   --> backend/src/dhcp_leases.rs:21:16
[INFO] [stdout]    |
[INFO] [stdout] 21 |         mac_address: "d6:f8:fc:49:c0:5d".parse () ?,
[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<arcstr::ArcStr, Infallible>
[INFO] [stdout]   --> backend/src/dhcp_leases.rs:21:16
[INFO] [stdout]    |
[INFO] [stdout] 21 |         mac_address: "d6:f8:fc:49:c0:5d".parse () ?,
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `jp-router-backend` (bin "jp-router-backend" test) due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `jp-router-backend` (bin "jp-router-backend") due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "d6487b0d9ded3b33d193c62b93a6016ab145912e8c74e29e02679820ac32b571", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6487b0d9ded3b33d193c62b93a6016ab145912e8c74e29e02679820ac32b571", kill_on_drop: false }`
[INFO] [stdout] d6487b0d9ded3b33d193c62b93a6016ab145912e8c74e29e02679820ac32b571
