[INFO] cloning repository https://github.com/bkgood/red
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bkgood/red" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbkgood%2Fred", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbkgood%2Fred'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bc98d5a176fccac4d6aef0b00d3c85c0b8a9c97c
[INFO] checking bkgood/red against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbkgood%2Fred" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bkgood/red on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bkgood/red
[INFO] finished tweaking git repo https://github.com/bkgood/red
[INFO] tweaked toml for git repo https://github.com/bkgood/red written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/bkgood/red already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b9a4b09b3af18fc00d76ea72c4a132c350120758e3e6ba385a65e8d1e78cfe1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6b9a4b09b3af18fc00d76ea72c4a132c350120758e3e6ba385a65e8d1e78cfe1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b9a4b09b3af18fc00d76ea72c4a132c350120758e3e6ba385a65e8d1e78cfe1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b9a4b09b3af18fc00d76ea72c4a132c350120758e3e6ba385a65e8d1e78cfe1", kill_on_drop: false }`
[INFO] [stdout] 6b9a4b09b3af18fc00d76ea72c4a132c350120758e3e6ba385a65e8d1e78cfe1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6db8970062df40ed4620e471b5101cc13cdfa45604374ee87bdd8924bc4d9bf8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6db8970062df40ed4620e471b5101cc13cdfa45604374ee87bdd8924bc4d9bf8", kill_on_drop: false }`
[INFO] [stderr]     Checking red v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `parsed`
[INFO] [stdout]   --> src/main.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |     let parsed = Args::parse(&args);
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parsed`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Address`
[INFO] [stdout]  --> src/main.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum Address {
[INFO] [stdout]   |      ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `CompoundAddress`
[INFO] [stdout]   --> src/main.rs:16:6
[INFO] [stdout]    |
[INFO] [stdout] 16 | enum CompoundAddress {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Command`
[INFO] [stdout]   --> src/main.rs:21:6
[INFO] [stdout]    |
[INFO] [stdout] 21 | enum Command {
[INFO] [stdout]    |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_char`
[INFO] [stdout]   --> src/main.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn from_char(c: char) -> Command {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parsed`
[INFO] [stdout]   --> src/main.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |     let parsed = Args::parse(&args);
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parsed`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Address`
[INFO] [stdout]  --> src/main.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum Address {
[INFO] [stdout]   |      ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `CompoundAddress`
[INFO] [stdout]   --> src/main.rs:16:6
[INFO] [stdout]    |
[INFO] [stdout] 16 | enum CompoundAddress {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Command`
[INFO] [stdout]   --> src/main.rs:21:6
[INFO] [stdout]    |
[INFO] [stdout] 21 | enum Command {
[INFO] [stdout]    |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_char`
[INFO] [stdout]   --> src/main.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn from_char(c: char) -> Command {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "6db8970062df40ed4620e471b5101cc13cdfa45604374ee87bdd8924bc4d9bf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6db8970062df40ed4620e471b5101cc13cdfa45604374ee87bdd8924bc4d9bf8", kill_on_drop: false }`
[INFO] [stdout] 6db8970062df40ed4620e471b5101cc13cdfa45604374ee87bdd8924bc4d9bf8