[INFO] cloning repository https://github.com/Jeffr-K/ps
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jeffr-K/ps" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJeffr-K%2Fps", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJeffr-K%2Fps'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c88fc6724a8bd89af25b6be297d5d3433a2d60d5
[INFO] checking Jeffr-K/ps against try#e622d8d7bed4f2668d446e06c6c1436ecae15796 for pr-156776
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJeffr-K%2Fps" "/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/Jeffr-K/ps
[INFO] finished tweaking git repo https://github.com/Jeffr-K/ps
[INFO] tweaked toml for git repo https://github.com/Jeffr-K/ps written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Jeffr-K/ps on toolchain e622d8d7bed4f2668d446e06c6c1436ecae15796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e622d8d7bed4f2668d446e06c6c1436ecae15796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Jeffr-K/ps 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" "+e622d8d7bed4f2668d446e06c6c1436ecae15796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking Jeffr-K/ps against try#e622d8d7bed4f2668d446e06c6c1436ecae15796 for pr-156776
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJeffr-K%2Fps" "/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/Jeffr-K/ps
[INFO] finished tweaking git repo https://github.com/Jeffr-K/ps
[INFO] tweaked toml for git repo https://github.com/Jeffr-K/ps written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Jeffr-K/ps on toolchain e622d8d7bed4f2668d446e06c6c1436ecae15796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e622d8d7bed4f2668d446e06c6c1436ecae15796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Jeffr-K/ps 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" "+e622d8d7bed4f2668d446e06c6c1436ecae15796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+e622d8d7bed4f2668d446e06c6c1436ecae15796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4482999466fd9f28dbd672f9c132fd27d037da38841f2ae459a79e50f2ad253b
[INFO] running `Command { std: "docker" "start" "-a" "4482999466fd9f28dbd672f9c132fd27d037da38841f2ae459a79e50f2ad253b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4482999466fd9f28dbd672f9c132fd27d037da38841f2ae459a79e50f2ad253b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4482999466fd9f28dbd672f9c132fd27d037da38841f2ae459a79e50f2ad253b", kill_on_drop: false }`
[INFO] [stdout] 4482999466fd9f28dbd672f9c132fd27d037da38841f2ae459a79e50f2ad253b
[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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+e622d8d7bed4f2668d446e06c6c1436ecae15796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80ee9a721b67680d2d5487d6e42e5c17f02c05da4b2896158a58b3fd6b079b3c
[INFO] running `Command { std: "docker" "start" "-a" "80ee9a721b67680d2d5487d6e42e5c17f02c05da4b2896158a58b3fd6b079b3c", kill_on_drop: false }`
[INFO] [stderr]     Checking ps v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]   --> dale/src/week2/climbing_stairs.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Solution;
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `climb_stairs`, `use_dp`, `optimized`, `useFoldStyle`, `useScanStyle`, and `useSuccessorStyle` are never used
[INFO] [stdout]    --> dale/src/week2/climbing_stairs.rs:15:12
[INFO] [stdout]     |
[INFO] [stdout]  12 | impl Solution {
[INFO] [stdout]     | ------------- associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  15 |     pub fn climb_stairs(n: i32) -> i32 {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  26 |     pub fn use_dp(n: i32) -> i32 {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  42 |     pub fn optimized(n: i32) -> i32 {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  77 |     pub fn useFoldStyle(n: i32) -> i32 {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  89 |     pub fn useScanStyle(n: i32) -> i32 {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 107 |     pub fn useSuccessorStyle(n: i32) -> i32 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `product_except_self` and `usePrefixProduct` are never used
[INFO] [stdout]   --> dale/src/week2/product_except_self.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn product_except_self(nums: Vec<i32>) -> Vec<i32> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |     pub fn usePrefixProduct(nums: Vec<i32>) -> Vec<i32> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> dale/src/week2/three_sum.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Solution;
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `three_sum` is never used
[INFO] [stdout]  --> dale/src/week2/three_sum.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 4 |     pub fn three_sum(mut nums: Vec<i32>) -> Vec<Vec<i32>> {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]   --> dale/src/week2/valid_anagram.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Solution;
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `is_anagram` is never used
[INFO] [stdout]   --> dale/src/week2/valid_anagram.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub fn is_anagram(s: String, t: String) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `usePrefixProduct` is never used
[INFO] [stdout]   --> dale/src/week2/product_except_self.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 74 |     pub fn usePrefixProduct(nums: Vec<i32>) -> Vec<i32> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> dale/src/week2/three_sum.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Solution;
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `three_sum` is never used
[INFO] [stdout]  --> dale/src/week2/three_sum.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 4 |     pub fn three_sum(mut nums: Vec<i32>) -> Vec<Vec<i32>> {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "80ee9a721b67680d2d5487d6e42e5c17f02c05da4b2896158a58b3fd6b079b3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80ee9a721b67680d2d5487d6e42e5c17f02c05da4b2896158a58b3fd6b079b3c", kill_on_drop: false }`
[INFO] [stdout] 80ee9a721b67680d2d5487d6e42e5c17f02c05da4b2896158a58b3fd6b079b3c
