[INFO] cloning repository https://github.com/stupidhuman/npct
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stupidhuman/npct" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstupidhuman%2Fnpct", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstupidhuman%2Fnpct'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b94d8b5ca1c365fd1e3a34b705ae7eee2fb48585
[INFO] checking stupidhuman/npct against try#b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8 for pr-78363
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstupidhuman%2Fnpct" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stupidhuman/npct on toolchain b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/stupidhuman/npct
[INFO] finished tweaking git repo https://github.com/stupidhuman/npct
[INFO] tweaked toml for git repo https://github.com/stupidhuman/npct written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/stupidhuman/npct already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 37832ab4971a36dcb2798a5715f6e96628824712464c36e82f35817349d163d5
[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" "37832ab4971a36dcb2798a5715f6e96628824712464c36e82f35817349d163d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37832ab4971a36dcb2798a5715f6e96628824712464c36e82f35817349d163d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37832ab4971a36dcb2798a5715f6e96628824712464c36e82f35817349d163d5", kill_on_drop: false }`
[INFO] [stdout] 37832ab4971a36dcb2798a5715f6e96628824712464c36e82f35817349d163d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63fbd104b4040a6fdc3a83f5cb7f0a4499bc124631923938ec8f17237629d1b7
[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" "63fbd104b4040a6fdc3a83f5cb7f0a4499bc124631923938ec8f17237629d1b7", kill_on_drop: false }`
[INFO] [stderr]     Checking npct v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/config/core.rs:11:22
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn from_args<'a>(args: &'a [&str]) -> Result<Self, &'a str> {
[INFO] [stdout]    |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Config`
[INFO] [stdout]  --> src/config/core.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Config {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Func`
[INFO] [stdout]  --> src/config/core.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | enum Func {
[INFO] [stdout]   |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_args`
[INFO] [stdout]   --> src/config/core.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn from_args<'a>(args: &'a [&str]) -> Result<Self, &'a str> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/config/core.rs:11:22
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn from_args<'a>(args: &'a [&str]) -> Result<Self, &'a str> {
[INFO] [stdout]    |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Config`
[INFO] [stdout]  --> src/config/core.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Config {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Func`
[INFO] [stdout]  --> src/config/core.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | enum Func {
[INFO] [stdout]   |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_args`
[INFO] [stdout]   --> src/config/core.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn from_args<'a>(args: &'a [&str]) -> Result<Self, &'a str> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "63fbd104b4040a6fdc3a83f5cb7f0a4499bc124631923938ec8f17237629d1b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63fbd104b4040a6fdc3a83f5cb7f0a4499bc124631923938ec8f17237629d1b7", kill_on_drop: false }`
[INFO] [stdout] 63fbd104b4040a6fdc3a83f5cb7f0a4499bc124631923938ec8f17237629d1b7