[INFO] cloning repository https://github.com/Cyclip/guessing_game
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Cyclip/guessing_game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCyclip%2Fguessing_game", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCyclip%2Fguessing_game'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 710dda4f51637543a1d594debbe3604c83eb1c6b
[INFO] testing Cyclip/guessing_game against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCyclip%2Fguessing_game" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Cyclip/guessing_game on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Cyclip/guessing_game
[INFO] finished tweaking git repo https://github.com/Cyclip/guessing_game
[INFO] tweaked toml for git repo https://github.com/Cyclip/guessing_game written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/Cyclip/guessing_game already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b2f6539a89754bce6c07e76bdf4f9aeea6cf196a5609d17533e1474e030d1cc3
[INFO] running `Command { std: "docker" "start" "-a" "b2f6539a89754bce6c07e76bdf4f9aeea6cf196a5609d17533e1474e030d1cc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2f6539a89754bce6c07e76bdf4f9aeea6cf196a5609d17533e1474e030d1cc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2f6539a89754bce6c07e76bdf4f9aeea6cf196a5609d17533e1474e030d1cc3", kill_on_drop: false }`
[INFO] [stdout] b2f6539a89754bce6c07e76bdf4f9aeea6cf196a5609d17533e1474e030d1cc3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a2023e06ed9ef0f3181ad815f2ef4620e5a78c062ff33a63963f9776031e4d2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7a2023e06ed9ef0f3181ad815f2ef4620e5a78c062ff33a63963f9776031e4d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt; // String formatting
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `min` should have an upper case name
[INFO] [stdout]   --> src/main.rs:31:11
[INFO] [stdout]    |
[INFO] [stdout] 31 |     const min: i32 = 1;
[INFO] [stdout]    |           ^^^ help: convert the identifier to upper case: `MIN`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `max` should have an upper case name
[INFO] [stdout]   --> src/main.rs:32:11
[INFO] [stdout]    |
[INFO] [stdout] 32 |     const max: i32 = 100;
[INFO] [stdout]    |           ^^^ help: convert the identifier to upper case: `MAX`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.15s
[INFO] running `Command { std: "docker" "inspect" "7a2023e06ed9ef0f3181ad815f2ef4620e5a78c062ff33a63963f9776031e4d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a2023e06ed9ef0f3181ad815f2ef4620e5a78c062ff33a63963f9776031e4d2", kill_on_drop: false }`
[INFO] [stdout] 7a2023e06ed9ef0f3181ad815f2ef4620e5a78c062ff33a63963f9776031e4d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 555d7853ec7bf5c8ea313be9e7f8911f7034b3b7b0d93a68a29cc9b726b5f740
[INFO] running `Command { std: "docker" "start" "-a" "555d7853ec7bf5c8ea313be9e7f8911f7034b3b7b0d93a68a29cc9b726b5f740", kill_on_drop: false }`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt; // String formatting
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `min` should have an upper case name
[INFO] [stdout]   --> src/main.rs:31:11
[INFO] [stdout]    |
[INFO] [stdout] 31 |     const min: i32 = 1;
[INFO] [stdout]    |           ^^^ help: convert the identifier to upper case: `MIN`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `max` should have an upper case name
[INFO] [stdout]   --> src/main.rs:32:11
[INFO] [stdout]    |
[INFO] [stdout] 32 |     const max: i32 = 100;
[INFO] [stdout]    |           ^^^ help: convert the identifier to upper case: `MAX`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "555d7853ec7bf5c8ea313be9e7f8911f7034b3b7b0d93a68a29cc9b726b5f740", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "555d7853ec7bf5c8ea313be9e7f8911f7034b3b7b0d93a68a29cc9b726b5f740", kill_on_drop: false }`
[INFO] [stdout] 555d7853ec7bf5c8ea313be9e7f8911f7034b3b7b0d93a68a29cc9b726b5f740
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f92cd36ef478fea0150b58905b8cf70414ac1114d26badb2924fa67353250a74
[INFO] running `Command { std: "docker" "start" "-a" "f92cd36ef478fea0150b58905b8cf70414ac1114d26badb2924fa67353250a74", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `std::fmt`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 2 | use std::fmt; // String formatting
[INFO] [stdout] 
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `min` should have an upper case name
[INFO] [stderr]   --> src/main.rs:31:11
[INFO] [stderr]    |
[INFO] [stderr] 31 |     const min: i32 = 1;
[INFO] [stderr]    |           ^^^ help: convert the identifier to upper case: `MIN`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `max` should have an upper case name
[INFO] [stderr]   --> src/main.rs:32:11
[INFO] [stderr]    |
[INFO] [stderr] 32 |     const max: i32 = 100;
[INFO] [stderr]    |           ^^^ help: convert the identifier to upper case: `MAX`
[INFO] [stderr] 
[INFO] [stderr] warning: `guessing_game` (bin "guessing_game" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.24s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/guessing_game-f4ab54917c499f4d)
[INFO] running `Command { std: "docker" "inspect" "f92cd36ef478fea0150b58905b8cf70414ac1114d26badb2924fa67353250a74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f92cd36ef478fea0150b58905b8cf70414ac1114d26badb2924fa67353250a74", kill_on_drop: false }`
[INFO] [stdout] f92cd36ef478fea0150b58905b8cf70414ac1114d26badb2924fa67353250a74