[INFO] updating cached repository https://github.com/ashir342/alpha
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0002d2d776bf19c892b08b601c4024d4111f646d
[INFO] checking ashir342/alpha against master#c9edc02e8320a9e5799d185910ece7d491f524e6 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fashir342%2Falpha" "work/builds/worker-0/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ashir342/alpha on toolchain c9edc02e8320a9e5799d185910ece7d491f524e6-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ashir342/alpha
[INFO] finished tweaking git repo https://github.com/ashir342/alpha
[INFO] tweaked toml for git repo https://github.com/ashir342/alpha written to work/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/ashir342/alpha already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e02a361b0768a7dcbb28fc9a68e84234f23b7e8be54432790a1dfe90a029799b
[INFO] running `"docker" "start" "-a" "e02a361b0768a7dcbb28fc9a68e84234f23b7e8be54432790a1dfe90a029799b"`
[INFO] [stderr]     Checking alpha v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::io::stdin`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::stdin;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `a`
[INFO] [stderr]  --> src/alpha.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub fn a() {
[INFO] [stderr]   | ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `b`
[INFO] [stderr]   --> src/alpha.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub fn b() {
[INFO] [stderr]    | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `c`
[INFO] [stderr]   --> src/alpha.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub fn c() {
[INFO] [stderr]    | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `d`
[INFO] [stderr]   --> src/alpha.rs:32:1
[INFO] [stderr]    |
[INFO] [stderr] 32 | pub fn d() {
[INFO] [stderr]    | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `e`
[INFO] [stderr]   --> src/alpha.rs:42:1
[INFO] [stderr]    |
[INFO] [stderr] 42 | pub fn e() {
[INFO] [stderr]    | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `f`
[INFO] [stderr]   --> src/alpha.rs:52:1
[INFO] [stderr]    |
[INFO] [stderr] 52 | pub fn f() {
[INFO] [stderr]    | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `g`
[INFO] [stderr]   --> src/alpha.rs:62:1
[INFO] [stderr]    |
[INFO] [stderr] 62 | pub fn g() {
[INFO] [stderr]    | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `h`
[INFO] [stderr]   --> src/alpha.rs:72:1
[INFO] [stderr]    |
[INFO] [stderr] 72 | pub fn h() {
[INFO] [stderr]    | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `i`
[INFO] [stderr]   --> src/alpha.rs:82:1
[INFO] [stderr]    |
[INFO] [stderr] 82 | pub fn i() {
[INFO] [stderr]    | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `j`
[INFO] [stderr]   --> src/alpha.rs:92:1
[INFO] [stderr]    |
[INFO] [stderr] 92 | pub fn j() {
[INFO] [stderr]    | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `k`
[INFO] [stderr]    --> src/alpha.rs:102:1
[INFO] [stderr]     |
[INFO] [stderr] 102 | pub fn k() {
[INFO] [stderr]     | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `l`
[INFO] [stderr]    --> src/alpha.rs:112:1
[INFO] [stderr]     |
[INFO] [stderr] 112 | pub fn l() {
[INFO] [stderr]     | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `m`
[INFO] [stderr]    --> src/alpha.rs:122:1
[INFO] [stderr]     |
[INFO] [stderr] 122 | pub fn m() {
[INFO] [stderr]     | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `n`
[INFO] [stderr]    --> src/alpha.rs:132:1
[INFO] [stderr]     |
[INFO] [stderr] 132 | pub fn n() {
[INFO] [stderr]     | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `o`
[INFO] [stderr]    --> src/alpha.rs:142:1
[INFO] [stderr]     |
[INFO] [stderr] 142 | pub fn o() {
[INFO] [stderr]     | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `p`
[INFO] [stderr]    --> src/alpha.rs:152:1
[INFO] [stderr]     |
[INFO] [stderr] 152 | pub fn p() {
[INFO] [stderr]     | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `q`
[INFO] [stderr]    --> src/alpha.rs:162:1
[INFO] [stderr]     |
[INFO] [stderr] 162 | pub fn q() {
[INFO] [stderr]     | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `r`
[INFO] [stderr]    --> src/alpha.rs:172:1
[INFO] [stderr]     |
[INFO] [stderr] 172 | pub fn r() {
[INFO] [stderr]     | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `s`
[INFO] [stderr]    --> src/alpha.rs:182:1
[INFO] [stderr]     |
[INFO] [stderr] 182 | pub fn s() {
[INFO] [stderr]     | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `t`
[INFO] [stderr]    --> src/alpha.rs:192:1
[INFO] [stderr]     |
[INFO] [stderr] 192 | pub fn t() {
[INFO] [stderr]     | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `u`
[INFO] [stderr]    --> src/alpha.rs:202:1
[INFO] [stderr]     |
[INFO] [stderr] 202 | pub fn u() {
[INFO] [stderr]     | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `v`
[INFO] [stderr]    --> src/alpha.rs:212:1
[INFO] [stderr]     |
[INFO] [stderr] 212 | pub fn v() {
[INFO] [stderr]     | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `w`
[INFO] [stderr]    --> src/alpha.rs:222:1
[INFO] [stderr]     |
[INFO] [stderr] 222 | pub fn w() {
[INFO] [stderr]     | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `x`
[INFO] [stderr]    --> src/alpha.rs:232:1
[INFO] [stderr]     |
[INFO] [stderr] 232 | pub fn x() {
[INFO] [stderr]     | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `y`
[INFO] [stderr]    --> src/alpha.rs:242:1
[INFO] [stderr]     |
[INFO] [stderr] 242 | pub fn y() {
[INFO] [stderr]     | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `z`
[INFO] [stderr]    --> src/alpha.rs:252:1
[INFO] [stderr]     |
[INFO] [stderr] 252 | pub fn z() {
[INFO] [stderr]     | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::stdin`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::stdin;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `a`
[INFO] [stderr]  --> src/alpha.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub fn a() {
[INFO] [stderr]   | ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `b`
[INFO] [stderr]   --> src/alpha.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub fn b() {
[INFO] [stderr]    | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `c`
[INFO] [stderr]   --> src/alpha.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub fn c() {
[INFO] [stderr]    | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `d`
[INFO] [stderr]   --> src/alpha.rs:32:1
[INFO] [stderr]    |
[INFO] [stderr] 32 | pub fn d() {
[INFO] [stderr]    | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `e`
[INFO] [stderr]   --> src/alpha.rs:42:1
[INFO] [stderr]    |
[INFO] [stderr] 42 | pub fn e() {
[INFO] [stderr]    | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `f`
[INFO] [stderr]   --> src/alpha.rs:52:1
[INFO] [stderr]    |
[INFO] [stderr] 52 | pub fn f() {
[INFO] [stderr]    | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `g`
[INFO] [stderr]   --> src/alpha.rs:62:1
[INFO] [stderr]    |
[INFO] [stderr] 62 | pub fn g() {
[INFO] [stderr]    | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `h`
[INFO] [stderr]   --> src/alpha.rs:72:1
[INFO] [stderr]    |
[INFO] [stderr] 72 | pub fn h() {
[INFO] [stderr]    | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `i`
[INFO] [stderr]   --> src/alpha.rs:82:1
[INFO] [stderr]    |
[INFO] [stderr] 82 | pub fn i() {
[INFO] [stderr]    | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `j`
[INFO] [stderr]   --> src/alpha.rs:92:1
[INFO] [stderr]    |
[INFO] [stderr] 92 | pub fn j() {
[INFO] [stderr]    | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `k`
[INFO] [stderr]    --> src/alpha.rs:102:1
[INFO] [stderr]     |
[INFO] [stderr] 102 | pub fn k() {
[INFO] [stderr]     | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `l`
[INFO] [stderr]    --> src/alpha.rs:112:1
[INFO] [stderr]     |
[INFO] [stderr] 112 | pub fn l() {
[INFO] [stderr]     | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `m`
[INFO] [stderr]    --> src/alpha.rs:122:1
[INFO] [stderr]     |
[INFO] [stderr] 122 | pub fn m() {
[INFO] [stderr]     | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `n`
[INFO] [stderr]    --> src/alpha.rs:132:1
[INFO] [stderr]     |
[INFO] [stderr] 132 | pub fn n() {
[INFO] [stderr]     | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `o`
[INFO] [stderr]    --> src/alpha.rs:142:1
[INFO] [stderr]     |
[INFO] [stderr] 142 | pub fn o() {
[INFO] [stderr]     | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `p`
[INFO] [stderr]    --> src/alpha.rs:152:1
[INFO] [stderr]     |
[INFO] [stderr] 152 | pub fn p() {
[INFO] [stderr]     | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `q`
[INFO] [stderr]    --> src/alpha.rs:162:1
[INFO] [stderr]     |
[INFO] [stderr] 162 | pub fn q() {
[INFO] [stderr]     | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `r`
[INFO] [stderr]    --> src/alpha.rs:172:1
[INFO] [stderr]     |
[INFO] [stderr] 172 | pub fn r() {
[INFO] [stderr]     | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `s`
[INFO] [stderr]    --> src/alpha.rs:182:1
[INFO] [stderr]     |
[INFO] [stderr] 182 | pub fn s() {
[INFO] [stderr]     | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `t`
[INFO] [stderr]    --> src/alpha.rs:192:1
[INFO] [stderr]     |
[INFO] [stderr] 192 | pub fn t() {
[INFO] [stderr]     | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `u`
[INFO] [stderr]    --> src/alpha.rs:202:1
[INFO] [stderr]     |
[INFO] [stderr] 202 | pub fn u() {
[INFO] [stderr]     | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `v`
[INFO] [stderr]    --> src/alpha.rs:212:1
[INFO] [stderr]     |
[INFO] [stderr] 212 | pub fn v() {
[INFO] [stderr]     | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `w`
[INFO] [stderr]    --> src/alpha.rs:222:1
[INFO] [stderr]     |
[INFO] [stderr] 222 | pub fn w() {
[INFO] [stderr]     | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `x`
[INFO] [stderr]    --> src/alpha.rs:232:1
[INFO] [stderr]     |
[INFO] [stderr] 232 | pub fn x() {
[INFO] [stderr]     | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `y`
[INFO] [stderr]    --> src/alpha.rs:242:1
[INFO] [stderr]     |
[INFO] [stderr] 242 | pub fn y() {
[INFO] [stderr]     | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `z`
[INFO] [stderr]    --> src/alpha.rs:252:1
[INFO] [stderr]     |
[INFO] [stderr] 252 | pub fn z() {
[INFO] [stderr]     | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.86s
[INFO] running `"docker" "inspect" "e02a361b0768a7dcbb28fc9a68e84234f23b7e8be54432790a1dfe90a029799b"`
[INFO] running `"docker" "rm" "-f" "e02a361b0768a7dcbb28fc9a68e84234f23b7e8be54432790a1dfe90a029799b"`
[INFO] [stdout] e02a361b0768a7dcbb28fc9a68e84234f23b7e8be54432790a1dfe90a029799b