[INFO] cloning repository https://github.com/lffg/rust-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/lffg/rust-guessing-game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flffg%2Frust-guessing-game", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flffg%2Frust-guessing-game'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e88ef417bb77c5cafa71bef059377e477a09fd34
[INFO] testing lffg/rust-guessing-game against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flffg%2Frust-guessing-game" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lffg/rust-guessing-game on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lffg/rust-guessing-game
[INFO] finished tweaking git repo https://github.com/lffg/rust-guessing-game
[INFO] tweaked toml for git repo https://github.com/lffg/rust-guessing-game written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/lffg/rust-guessing-game already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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] 03985e76f1f6f64fb17f22ee753772f85da6829ff08a2d1f30f0fb561e554b9b
[INFO] running `Command { std: "docker" "start" "-a" "03985e76f1f6f64fb17f22ee753772f85da6829ff08a2d1f30f0fb561e554b9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03985e76f1f6f64fb17f22ee753772f85da6829ff08a2d1f30f0fb561e554b9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03985e76f1f6f64fb17f22ee753772f85da6829ff08a2d1f30f0fb561e554b9b", kill_on_drop: false }`
[INFO] [stdout] 03985e76f1f6f64fb17f22ee753772f85da6829ff08a2d1f30f0fb561e554b9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--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] 11b892f2b182a1929779470f2cf9c81664a541c3bf7e401d064bf5a5ad49570c
[INFO] running `Command { std: "docker" "start" "-a" "11b892f2b182a1929779470f2cf9c81664a541c3bf7e401d064bf5a5ad49570c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling rand_core v0.6.0
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.0
[INFO] [stderr]    Compiling rust-guessing-game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.97s
[INFO] running `Command { std: "docker" "inspect" "11b892f2b182a1929779470f2cf9c81664a541c3bf7e401d064bf5a5ad49570c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11b892f2b182a1929779470f2cf9c81664a541c3bf7e401d064bf5a5ad49570c", kill_on_drop: false }`
[INFO] [stdout] 11b892f2b182a1929779470f2cf9c81664a541c3bf7e401d064bf5a5ad49570c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e217b87b5bc0dc9aea580cec9c18ed9d5f4992645e8a6a9838b68d5101555c4
[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" "8e217b87b5bc0dc9aea580cec9c18ed9d5f4992645e8a6a9838b68d5101555c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-guessing-game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "8e217b87b5bc0dc9aea580cec9c18ed9d5f4992645e8a6a9838b68d5101555c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e217b87b5bc0dc9aea580cec9c18ed9d5f4992645e8a6a9838b68d5101555c4", kill_on_drop: false }`
[INFO] [stdout] 8e217b87b5bc0dc9aea580cec9c18ed9d5f4992645e8a6a9838b68d5101555c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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] d6b144cfa2ad92a2a7086d9ea2141845f9e269b8603c0fc76c5b3aeea6e7d61a
[INFO] running `Command { std: "docker" "start" "-a" "d6b144cfa2ad92a2a7086d9ea2141845f9e269b8603c0fc76c5b3aeea6e7d61a", kill_on_drop: false }`
[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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_guessing_game-776801366e5ebf3e)
[INFO] running `Command { std: "docker" "inspect" "d6b144cfa2ad92a2a7086d9ea2141845f9e269b8603c0fc76c5b3aeea6e7d61a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6b144cfa2ad92a2a7086d9ea2141845f9e269b8603c0fc76c5b3aeea6e7d61a", kill_on_drop: false }`
[INFO] [stdout] d6b144cfa2ad92a2a7086d9ea2141845f9e269b8603c0fc76c5b3aeea6e7d61a