[INFO] cloning repository https://github.com/sebmaz93/rust_challenges
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sebmaz93/rust_challenges" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebmaz93%2Frust_challenges", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebmaz93%2Frust_challenges'...
[INFO] [stderr] error: copy-fd: write returned: No space left on device
[INFO] [stderr] fatal: cannot copy '/usr/share/git-core/templates/hooks/pre-receive.sample' to '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebmaz93%2Frust_challenges/hooks/pre-receive.sample': No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/sebmaz93/rust_challenges
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sebmaz93/rust_challenges" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebmaz93%2Frust_challenges", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebmaz93%2Frust_challenges'...
[INFO] [stderr] error: unable to write symref for HEAD: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 2)
[INFO] cloning repository https://github.com/sebmaz93/rust_challenges
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sebmaz93/rust_challenges" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebmaz93%2Frust_challenges", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebmaz93%2Frust_challenges'...
[INFO] [stderr] error: copy-fd: write returned: No space left on device
[INFO] [stderr] fatal: cannot copy '/usr/share/git-core/templates/hooks/push-to-checkout.sample' to '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebmaz93%2Frust_challenges/hooks/push-to-checkout.sample': No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 3)
[INFO] cloning repository https://github.com/sebmaz93/rust_challenges
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sebmaz93/rust_challenges" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebmaz93%2Frust_challenges", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebmaz93%2Frust_challenges'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebmaz93%2Frust_challenges: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 4)
[INFO] cloning repository https://github.com/sebmaz93/rust_challenges
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sebmaz93/rust_challenges" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebmaz93%2Frust_challenges", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebmaz93%2Frust_challenges'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebmaz93%2Frust_challenges: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 5)
[INFO] cloning repository https://github.com/sebmaz93/rust_challenges
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sebmaz93/rust_challenges" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebmaz93%2Frust_challenges", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebmaz93%2Frust_challenges'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebmaz93%2Frust_challenges: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 6)
[INFO] cloning repository https://github.com/sebmaz93/rust_challenges
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sebmaz93/rust_challenges" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebmaz93%2Frust_challenges", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebmaz93%2Frust_challenges'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebmaz93%2Frust_challenges: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 7)
[INFO] cloning repository https://github.com/sebmaz93/rust_challenges
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sebmaz93/rust_challenges" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebmaz93%2Frust_challenges", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebmaz93%2Frust_challenges'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebmaz93%2Frust_challenges: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 8)
[INFO] cloning repository https://github.com/sebmaz93/rust_challenges
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sebmaz93/rust_challenges" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebmaz93%2Frust_challenges", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebmaz93%2Frust_challenges'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebmaz93%2Frust_challenges: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 9)
[INFO] cloning repository https://github.com/sebmaz93/rust_challenges
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sebmaz93/rust_challenges" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebmaz93%2Frust_challenges", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebmaz93%2Frust_challenges'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebmaz93%2Frust_challenges: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 10)
[INFO] cloning repository https://github.com/sebmaz93/rust_challenges
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sebmaz93/rust_challenges" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebmaz93%2Frust_challenges", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebmaz93%2Frust_challenges'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebmaz93%2Frust_challenges: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 11)
[INFO] cloning repository https://github.com/sebmaz93/rust_challenges
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sebmaz93/rust_challenges" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebmaz93%2Frust_challenges", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebmaz93%2Frust_challenges'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebmaz93%2Frust_challenges: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 12)
[INFO] cloning repository https://github.com/sebmaz93/rust_challenges
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sebmaz93/rust_challenges" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebmaz93%2Frust_challenges", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebmaz93%2Frust_challenges'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebmaz93%2Frust_challenges: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 13)
[INFO] cloning repository https://github.com/sebmaz93/rust_challenges
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sebmaz93/rust_challenges" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebmaz93%2Frust_challenges", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebmaz93%2Frust_challenges'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9b93175c6cd50e06a2bfaf4dca161dc57af6d6b1
[INFO] checking sebmaz93/rust_challenges against master#8a65ee08296b36342bf7c3cdc15312ccbc357227 for pr-142704
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebmaz93%2Frust_challenges" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sebmaz93/rust_challenges on toolchain 8a65ee08296b36342bf7c3cdc15312ccbc357227
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sebmaz93/rust_challenges
[INFO] finished tweaking git repo https://github.com/sebmaz93/rust_challenges
[INFO] tweaked toml for git repo https://github.com/sebmaz93/rust_challenges written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/sebmaz93/rust_challenges 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" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bacc90c33ea54eb34e01e83934f17ee2c1355e33ccd674abce309f6c31c968d0
[INFO] running `Command { std: "docker" "start" "-a" "bacc90c33ea54eb34e01e83934f17ee2c1355e33ccd674abce309f6c31c968d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bacc90c33ea54eb34e01e83934f17ee2c1355e33ccd674abce309f6c31c968d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bacc90c33ea54eb34e01e83934f17ee2c1355e33ccd674abce309f6c31c968d0", kill_on_drop: false }`
[INFO] [stdout] bacc90c33ea54eb34e01e83934f17ee2c1355e33ccd674abce309f6c31c968d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ddf351ab446c63ee03a29d879b922ecc0ced0d7e48103fd1494675eec9e2afb
[INFO] running `Command { std: "docker" "start" "-a" "9ddf351ab446c63ee03a29d879b922ecc0ced0d7e48103fd1494675eec9e2afb", kill_on_drop: false }`
[INFO] [stderr]    Compiling time-core v0.1.1
[INFO] [stderr]     Checking time v0.3.22
[INFO] [stderr]    Compiling time-macros v0.2.9
[INFO] [stderr]     Checking rust_challenges v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Date`, `Month`, and `Time`
[INFO] [stdout]  --> src/giga_second.rs:1:54
[INFO] [stdout]   |
[INFO] [stdout] 1 | use time::{ PrimitiveDateTime as DateTime, Duration, Date, Time, Month };
[INFO] [stdout]   |                                                      ^^^^  ^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `date` and `time`
[INFO] [stdout]  --> src/giga_second.rs:2:20
[INFO] [stdout]   |
[INFO] [stdout] 2 | use time_macros::{ date, time };
[INFO] [stdout]   |                    ^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Date`, `Month`, and `Time`
[INFO] [stdout]  --> src/giga_second.rs:1:54
[INFO] [stdout]   |
[INFO] [stdout] 1 | use time::{ PrimitiveDateTime as DateTime, Duration, Date, Time, Month };
[INFO] [stdout]   |                                                      ^^^^  ^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `info` is never used
[INFO] [stdout]  --> src/challenge_3.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn info<T: Display>(text: &T) {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `reverse` is never used
[INFO] [stdout]  --> src/reverse_string.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn reverse(input: &str) -> String {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_giga_second` is never used
[INFO] [stdout]  --> src/giga_second.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn add_giga_second(date: DateTime) -> DateTime {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `grain_on_square` is never used
[INFO] [stdout]   --> src/grains.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn grain_on_square(sq: u32, total_sq: u32) -> isize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `total_grains` is never used
[INFO] [stdout]   --> src/grains.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn total_grains(total_sq: u32) -> isize {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_raindrop_sounds` is never used
[INFO] [stdout]   --> src/raindrops.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn make_raindrop_sounds(n: i32) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_multiplies` is never used
[INFO] [stdout]   --> src/sum_of_multiples.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn get_multiplies(n: &i32, limit: i32) -> Vec<i32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calc_energy` is never used
[INFO] [stdout]   --> src/sum_of_multiples.rs:55:4
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn calc_energy(limit: i32, factors: &[i32]) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_armstrong` is never used
[INFO] [stdout]   --> src/armstrong.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn is_armstrong(num: u32) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_leap_year` is never used
[INFO] [stdout]   --> src/leap_year.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn is_leap_year(year: u64) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_proverb` is never used
[INFO] [stdout]  --> src/proverb.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn make_proverb(list: &[&str]) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "9ddf351ab446c63ee03a29d879b922ecc0ced0d7e48103fd1494675eec9e2afb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ddf351ab446c63ee03a29d879b922ecc0ced0d7e48103fd1494675eec9e2afb", kill_on_drop: false }`
[INFO] [stdout] 9ddf351ab446c63ee03a29d879b922ecc0ced0d7e48103fd1494675eec9e2afb
