[INFO] cloning repository https://github.com/laxect/codeforces
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/laxect/codeforces" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flaxect%2Fcodeforces", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flaxect%2Fcodeforces'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7c9aad55956ad3ec5621c9be65f7779131b9db53
[INFO] testing laxect/codeforces against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flaxect%2Fcodeforces" "/workspace/builds/worker-93/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-93/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/laxect/codeforces on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/laxect/codeforces
[INFO] finished tweaking git repo https://github.com/laxect/codeforces
[INFO] tweaked toml for git repo https://github.com/laxect/codeforces written to /workspace/builds/worker-93/source/Cargo.toml
[INFO] crate git repo https://github.com/laxect/codeforces already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d919e3ce2c6ce362521376851c766f8ecab6cba300ab104666c0fa8a431c92a
[INFO] running `Command { std: "docker" "start" "-a" "8d919e3ce2c6ce362521376851c766f8ecab6cba300ab104666c0fa8a431c92a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d919e3ce2c6ce362521376851c766f8ecab6cba300ab104666c0fa8a431c92a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d919e3ce2c6ce362521376851c766f8ecab6cba300ab104666c0fa8a431c92a", kill_on_drop: false }`
[INFO] [stdout] 8d919e3ce2c6ce362521376851c766f8ecab6cba300ab104666c0fa8a431c92a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ad405223022f7c7464e699dec7ed8d0da267e362623ee9f247d7bd870217f7d
[INFO] running `Command { std: "docker" "start" "-a" "5ad405223022f7c7464e699dec7ed8d0da267e362623ee9f247d7bd870217f7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling codeforces v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]  --> src/c552d3/c.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn solve(f: i32, r: i32, c: i32) -> i32 {
[INFO] [stdout]   |          ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]  --> src/c552d3/c.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn solve(f: i32, r: i32, c: i32) -> i32 {
[INFO] [stdout]   |                  ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]  --> src/c552d3/c.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn solve(f: i32, r: i32, c: i32) -> i32 {
[INFO] [stdout]   |                          ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `main`
[INFO] [stdout]  --> src/c552d3/a.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn main() {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve`
[INFO] [stdout]  --> src/c552d3/c.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn solve(f: i32, r: i32, c: i32) -> i32 {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `main`
[INFO] [stdout]  --> src/c552d3/c.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `Command { std: "docker" "inspect" "5ad405223022f7c7464e699dec7ed8d0da267e362623ee9f247d7bd870217f7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ad405223022f7c7464e699dec7ed8d0da267e362623ee9f247d7bd870217f7d", kill_on_drop: false }`
[INFO] [stdout] 5ad405223022f7c7464e699dec7ed8d0da267e362623ee9f247d7bd870217f7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62dbf4f82613eb89d30b4d5d190c2e5393079754bacce126f0b40987ad89c25f
[INFO] running `Command { std: "docker" "start" "-a" "62dbf4f82613eb89d30b4d5d190c2e5393079754bacce126f0b40987ad89c25f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling codeforces v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]  --> src/c552d3/c.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn solve(f: i32, r: i32, c: i32) -> i32 {
[INFO] [stdout]   |          ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]  --> src/c552d3/c.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn solve(f: i32, r: i32, c: i32) -> i32 {
[INFO] [stdout]   |                  ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]  --> src/c552d3/c.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn solve(f: i32, r: i32, c: i32) -> i32 {
[INFO] [stdout]   |                          ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `main`
[INFO] [stdout]  --> src/c552d3/a.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn main() {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve`
[INFO] [stdout]  --> src/c552d3/c.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn solve(f: i32, r: i32, c: i32) -> i32 {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `main`
[INFO] [stdout]  --> src/c552d3/c.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "62dbf4f82613eb89d30b4d5d190c2e5393079754bacce126f0b40987ad89c25f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62dbf4f82613eb89d30b4d5d190c2e5393079754bacce126f0b40987ad89c25f", kill_on_drop: false }`
[INFO] [stdout] 62dbf4f82613eb89d30b4d5d190c2e5393079754bacce126f0b40987ad89c25f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3368126bbbe7b5414ec1fc4cca984fffb32bcacccc5681dbec64a5a2214f1c06
[INFO] running `Command { std: "docker" "start" "-a" "3368126bbbe7b5414ec1fc4cca984fffb32bcacccc5681dbec64a5a2214f1c06", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]  --> src/c552d3/c.rs:1:10
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn solve(f: i32, r: i32, c: i32) -> i32 {
[INFO] [stderr]   |          ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r`
[INFO] [stderr]  --> src/c552d3/c.rs:1:18
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn solve(f: i32, r: i32, c: i32) -> i32 {
[INFO] [stderr]   |                  ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]  --> src/c552d3/c.rs:1:26
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn solve(f: i32, r: i32, c: i32) -> i32 {
[INFO] [stderr]   |                          ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `main`
[INFO] [stderr]  --> src/c552d3/a.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn main() {
[INFO] [stderr]   |        ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `solve`
[INFO] [stderr]  --> src/c552d3/c.rs:1:4
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn solve(f: i32, r: i32, c: i32) -> i32 {
[INFO] [stderr]   |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `main`
[INFO] [stderr]  --> src/c552d3/c.rs:5:4
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn main() {
[INFO] [stderr]   |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `codeforces` (bin "codeforces" test) generated 6 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/codeforces-1b1b73b47421b3e0)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3368126bbbe7b5414ec1fc4cca984fffb32bcacccc5681dbec64a5a2214f1c06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3368126bbbe7b5414ec1fc4cca984fffb32bcacccc5681dbec64a5a2214f1c06", kill_on_drop: false }`
[INFO] [stdout] 3368126bbbe7b5414ec1fc4cca984fffb32bcacccc5681dbec64a5a2214f1c06