[INFO] cloning repository https://github.com/callrbx/rig
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/callrbx/rig" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcallrbx%2Frig", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcallrbx%2Frig'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e84c27a8d9ef979ae03d716e1971d81e7c32f23c
[INFO] checking callrbx/rig 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%2Fcallrbx%2Frig" "/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/callrbx/rig
[INFO] finished tweaking git repo https://github.com/callrbx/rig
[INFO] tweaked toml for git repo https://github.com/callrbx/rig written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/callrbx/rig 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/callrbx/rig 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] 7b57ff4e823ca70e19321a7d6a25e3b5cbb53d68844d697d9927ad02fc2dc458
[INFO] running `Command { std: "docker" "start" "-a" "7b57ff4e823ca70e19321a7d6a25e3b5cbb53d68844d697d9927ad02fc2dc458", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b57ff4e823ca70e19321a7d6a25e3b5cbb53d68844d697d9927ad02fc2dc458", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b57ff4e823ca70e19321a7d6a25e3b5cbb53d68844d697d9927ad02fc2dc458", kill_on_drop: false }`
[INFO] [stdout] 7b57ff4e823ca70e19321a7d6a25e3b5cbb53d68844d697d9927ad02fc2dc458
[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] ba3caa4edd5ee83af47581dcf01f353202cd9d36aee9487fe44bcd0134beb21b
[INFO] running `Command { std: "docker" "start" "-a" "ba3caa4edd5ee83af47581dcf01f353202cd9d36aee9487fe44bcd0134beb21b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking getrandom v0.2.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking rig v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/rig.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | /     #[structopt(
[INFO] [stdout] 15 | |         short = "s",
[INFO] [stdout] 16 | |         long = "server",
[INFO] [stdout] 17 | |         help = "server to perform lookups against <IP:port> (53 assumed if not set)"
[INFO] [stdout] 18 | |     )]
[INFO] [stdout] 19 | |     server: Option<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/rig.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     hostnames: Vec<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/rig.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | /     #[structopt(
[INFO] [stdout] 15 | |         short = "s",
[INFO] [stdout] 16 | |         long = "server",
[INFO] [stdout] 17 | |         help = "server to perform lookups against <IP:port> (53 assumed if not set)"
[INFO] [stdout] 18 | |     )]
[INFO] [stdout] 19 | |     server: Option<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/rig.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     hostnames: Vec<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rig` (bin "rig") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rig` (bin "rig" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "ba3caa4edd5ee83af47581dcf01f353202cd9d36aee9487fe44bcd0134beb21b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba3caa4edd5ee83af47581dcf01f353202cd9d36aee9487fe44bcd0134beb21b", kill_on_drop: false }`
[INFO] [stdout] ba3caa4edd5ee83af47581dcf01f353202cd9d36aee9487fe44bcd0134beb21b
