[INFO] cloning repository https://github.com/ryanplusplus/guessing_game.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ryanplusplus/guessing_game.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryanplusplus%2Fguessing_game.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryanplusplus%2Fguessing_game.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 63a3598ace25602e8ec4f89e912935aab6732ef3
[INFO] testing ryanplusplus/guessing_game.rs against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryanplusplus%2Fguessing_game.rs" "/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/ryanplusplus/guessing_game.rs on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ryanplusplus/guessing_game.rs
[INFO] finished tweaking git repo https://github.com/ryanplusplus/guessing_game.rs
[INFO] tweaked toml for git repo https://github.com/ryanplusplus/guessing_game.rs written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/ryanplusplus/guessing_game.rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand v0.3.23
[INFO] [stderr]   Downloaded libc v0.2.58
[INFO] [stderr]   Downloaded rand v0.4.6
[INFO] [stderr]   Downloaded winapi v0.3.7
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dcb08f646f797505220b8fab2aa8c643458fecc7c63297b4fa36b2b0e76355db
[INFO] running `Command { std: "docker" "start" "-a" "dcb08f646f797505220b8fab2aa8c643458fecc7c63297b4fa36b2b0e76355db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dcb08f646f797505220b8fab2aa8c643458fecc7c63297b4fa36b2b0e76355db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcb08f646f797505220b8fab2aa8c643458fecc7c63297b4fa36b2b0e76355db", kill_on_drop: false }`
[INFO] [stdout] dcb08f646f797505220b8fab2aa8c643458fecc7c63297b4fa36b2b0e76355db
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e4bcf3befcfc27a7eb794dfe299aa9aa4a343b9cc768ad0a37da94c14211eaa
[INFO] running `Command { std: "docker" "start" "-a" "8e4bcf3befcfc27a7eb794dfe299aa9aa4a343b9cc768ad0a37da94c14211eaa", 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] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.96s
[INFO] running `Command { std: "docker" "inspect" "8e4bcf3befcfc27a7eb794dfe299aa9aa4a343b9cc768ad0a37da94c14211eaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e4bcf3befcfc27a7eb794dfe299aa9aa4a343b9cc768ad0a37da94c14211eaa", kill_on_drop: false }`
[INFO] [stdout] 8e4bcf3befcfc27a7eb794dfe299aa9aa4a343b9cc768ad0a37da94c14211eaa
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8625a2aa8c6dc11109fa2da683b63d9cec34295da05ed2c784fd906cf76e67e4
[INFO] running `Command { std: "docker" "start" "-a" "8625a2aa8c6dc11109fa2da683b63d9cec34295da05ed2c784fd906cf76e67e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "8625a2aa8c6dc11109fa2da683b63d9cec34295da05ed2c784fd906cf76e67e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8625a2aa8c6dc11109fa2da683b63d9cec34295da05ed2c784fd906cf76e67e4", kill_on_drop: false }`
[INFO] [stdout] 8625a2aa8c6dc11109fa2da683b63d9cec34295da05ed2c784fd906cf76e67e4
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 10589adbf9d34f984f141c905cca31a18814e03bc5deb0b683150df3018a01dc
[INFO] running `Command { std: "docker" "start" "-a" "10589adbf9d34f984f141c905cca31a18814e03bc5deb0b683150df3018a01dc", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/guessing_game-9090859aa858dae0)
[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" "10589adbf9d34f984f141c905cca31a18814e03bc5deb0b683150df3018a01dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10589adbf9d34f984f141c905cca31a18814e03bc5deb0b683150df3018a01dc", kill_on_drop: false }`
[INFO] [stdout] 10589adbf9d34f984f141c905cca31a18814e03bc5deb0b683150df3018a01dc