[INFO] cloning repository https://github.com/marvelxcodes/competitive-programming
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/marvelxcodes/competitive-programming" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarvelxcodes%2Fcompetitive-programming", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarvelxcodes%2Fcompetitive-programming'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0e3b9a8070b7cb576305e1ad6656c9ea60d7e955
[INFO] checking marvelxcodes/competitive-programming against try#e622d8d7bed4f2668d446e06c6c1436ecae15796 for pr-156776
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarvelxcodes%2Fcompetitive-programming" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/marvelxcodes/competitive-programming
[INFO] finished tweaking git repo https://github.com/marvelxcodes/competitive-programming
[INFO] tweaked toml for git repo https://github.com/marvelxcodes/competitive-programming written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/marvelxcodes/competitive-programming 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/marvelxcodes/competitive-programming 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] b5e8243f749c9652479506c277218b0050592bcdc8aafef3b6bd108e7822564b
[INFO] running `Command { std: "docker" "start" "-a" "b5e8243f749c9652479506c277218b0050592bcdc8aafef3b6bd108e7822564b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5e8243f749c9652479506c277218b0050592bcdc8aafef3b6bd108e7822564b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5e8243f749c9652479506c277218b0050592bcdc8aafef3b6bd108e7822564b", kill_on_drop: false }`
[INFO] [stdout] b5e8243f749c9652479506c277218b0050592bcdc8aafef3b6bd108e7822564b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 0e1053af84ec11aa5ad8aea41c789c57d92ae1cbc7fb814038d4c58b3caf2c97
[INFO] running `Command { std: "docker" "start" "-a" "0e1053af84ec11aa5ad8aea41c789c57d92ae1cbc7fb814038d4c58b3caf2c97", kill_on_drop: false }`
[INFO] [stderr]     Checking competitive-programming v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `fmt::write`
[INFO] [stdout]  --> src/problems/koshary.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     fmt::write,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fmt::write`
[INFO] [stdout]  --> src/problems/koshary.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     fmt::write,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Scanner` is never constructed
[INFO] [stdout]  --> src/problems/construct_an_array.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Scanner<R> {
[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 items `new` and `next` are never used
[INFO] [stdout]   --> src/problems/construct_an_array.rs:9:8
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl<R: BufRead> Scanner<R> {
[INFO] [stdout]    | --------------------------- associated items in this implementation
[INFO] [stdout]  9 |     fn new(reader: R) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     fn next<T: std::str::FromStr>(&mut self) -> T {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/problems/construct_an_array.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub fn solve() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Scanner` is never constructed
[INFO] [stdout]  --> src/problems/koshary.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Scanner<R> {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `next` are never used
[INFO] [stdout]   --> src/problems/koshary.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl<R: BufRead> Scanner<R> {
[INFO] [stdout]    | --------------------------- associated items in this implementation
[INFO] [stdout] 12 |     fn new(reader: R) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     fn next<T: std::str::FromStr>(&mut self) -> T {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/problems/koshary.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn solve() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Scanner` is never constructed
[INFO] [stdout]  --> src/problems/party_monster.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Scanner<R> {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `next` are never used
[INFO] [stdout]   --> src/problems/party_monster.rs:9:8
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl<R: BufRead> Scanner<R> {
[INFO] [stdout]    | --------------------------- associated items in this implementation
[INFO] [stdout]  9 |     fn new(reader: R) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     fn next<T: std::str::FromStr>(&mut self) -> T {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/problems/party_monster.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub fn solve() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Scanner` is never constructed
[INFO] [stdout]  --> src/problems/construct_an_array.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Scanner<R> {
[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 items `new` and `next` are never used
[INFO] [stdout]   --> src/problems/construct_an_array.rs:9:8
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl<R: BufRead> Scanner<R> {
[INFO] [stdout]    | --------------------------- associated items in this implementation
[INFO] [stdout]  9 |     fn new(reader: R) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     fn next<T: std::str::FromStr>(&mut self) -> T {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/problems/construct_an_array.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub fn solve() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Scanner` is never constructed
[INFO] [stdout]  --> src/problems/koshary.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Scanner<R> {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `next` are never used
[INFO] [stdout]   --> src/problems/koshary.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl<R: BufRead> Scanner<R> {
[INFO] [stdout]    | --------------------------- associated items in this implementation
[INFO] [stdout] 12 |     fn new(reader: R) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     fn next<T: std::str::FromStr>(&mut self) -> T {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/problems/koshary.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn solve() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Scanner` is never constructed
[INFO] [stdout]  --> src/problems/party_monster.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Scanner<R> {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `next` are never used
[INFO] [stdout]   --> src/problems/party_monster.rs:9:8
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl<R: BufRead> Scanner<R> {
[INFO] [stdout]    | --------------------------- associated items in this implementation
[INFO] [stdout]  9 |     fn new(reader: R) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     fn next<T: std::str::FromStr>(&mut self) -> T {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/problems/party_monster.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub fn solve() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "0e1053af84ec11aa5ad8aea41c789c57d92ae1cbc7fb814038d4c58b3caf2c97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e1053af84ec11aa5ad8aea41c789c57d92ae1cbc7fb814038d4c58b3caf2c97", kill_on_drop: false }`
[INFO] [stdout] 0e1053af84ec11aa5ad8aea41c789c57d92ae1cbc7fb814038d4c58b3caf2c97
