[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] 19b6f14e3e09c659ffbb849dde8a052216f502de
[INFO] checking stupidhuman/npct against master#0dce3f606e05cffab7361c132a399d3550ab0df8 for pr-78376
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstupidhuman%2Fnpct" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stupidhuman/npct on toolchain 0dce3f606e05cffab7361c132a399d3550ab0df8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "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-0/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" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 22c67236c0694b7b85ab60807691cc2aa6fc56f8e9557448c97a52a94b1164e8
[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" "22c67236c0694b7b85ab60807691cc2aa6fc56f8e9557448c97a52a94b1164e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22c67236c0694b7b85ab60807691cc2aa6fc56f8e9557448c97a52a94b1164e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22c67236c0694b7b85ab60807691cc2aa6fc56f8e9557448c97a52a94b1164e8", kill_on_drop: false }`
[INFO] [stdout] 22c67236c0694b7b85ab60807691cc2aa6fc56f8e9557448c97a52a94b1164e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d908327bb9498bb09a41db840a5f4351a0d4bd74d60a5448abc357cd154153d6
[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" "d908327bb9498bb09a41db840a5f4351a0d4bd74d60a5448abc357cd154153d6", 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:15:18
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn from_args(args: &Vec<&String>) -> Self {
[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: unused variable: `args`
[INFO] [stdout]   --> src/config/core.rs:15:18
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn from_args(args: &Vec<&String>) -> Self {
[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:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Config<'a> {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_args`
[INFO] [stdout]   --> src/config/core.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn from_args(args: &Vec<&String>) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Module`
[INFO] [stdout]   --> src/config/core.rs:29:10
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub enum Module {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Func`
[INFO] [stdout]   --> src/config/core.rs:37:10
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub enum Func {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Config`
[INFO] [stdout]  --> src/config/core.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Config<'a> {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_args`
[INFO] [stdout]   --> src/config/core.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn from_args(args: &Vec<&String>) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Module`
[INFO] [stdout]   --> src/config/core.rs:29:10
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub enum Module {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Func`
[INFO] [stdout]   --> src/config/core.rs:37:10
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub enum Func {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "d908327bb9498bb09a41db840a5f4351a0d4bd74d60a5448abc357cd154153d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d908327bb9498bb09a41db840a5f4351a0d4bd74d60a5448abc357cd154153d6", kill_on_drop: false }`
[INFO] [stdout] d908327bb9498bb09a41db840a5f4351a0d4bd74d60a5448abc357cd154153d6