[INFO] cloning repository https://github.com/shdblowers/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/shdblowers/guessing_game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshdblowers%2Fguessing_game", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshdblowers%2Fguessing_game'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b134f742c2ea1794f4ae53fd2ee6e5fd490f3486
[INFO] testing shdblowers/guessing_game against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshdblowers%2Fguessing_game" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shdblowers/guessing_game on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/shdblowers/guessing_game
[INFO] finished tweaking git repo https://github.com/shdblowers/guessing_game
[INFO] tweaked toml for git repo https://github.com/shdblowers/guessing_game written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/shdblowers/guessing_game already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be11f3286279bc51644e7654c840e57a3097d0fb49b12596b1d95f7b9df286a8
[INFO] running `Command { std: "docker" "start" "-a" "be11f3286279bc51644e7654c840e57a3097d0fb49b12596b1d95f7b9df286a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be11f3286279bc51644e7654c840e57a3097d0fb49b12596b1d95f7b9df286a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be11f3286279bc51644e7654c840e57a3097d0fb49b12596b1d95f7b9df286a8", kill_on_drop: false }`
[INFO] [stdout] be11f3286279bc51644e7654c840e57a3097d0fb49b12596b1d95f7b9df286a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e773dfe83f3eb298ff68d34925c73cd8798419be0941535f8642bacb54a48fae
[INFO] running `Command { std: "docker" "start" "-a" "e773dfe83f3eb298ff68d34925c73cd8798419be0941535f8642bacb54a48fae", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling rand v0.4.3
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.93s
[INFO] running `Command { std: "docker" "inspect" "e773dfe83f3eb298ff68d34925c73cd8798419be0941535f8642bacb54a48fae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e773dfe83f3eb298ff68d34925c73cd8798419be0941535f8642bacb54a48fae", kill_on_drop: false }`
[INFO] [stdout] e773dfe83f3eb298ff68d34925c73cd8798419be0941535f8642bacb54a48fae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c8da3d99f978f6c08a58027a86b54b839c1a3a21122d36a18f0933624a261f26
[INFO] running `Command { std: "docker" "start" "-a" "c8da3d99f978f6c08a58027a86b54b839c1a3a21122d36a18f0933624a261f26", kill_on_drop: false }`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "c8da3d99f978f6c08a58027a86b54b839c1a3a21122d36a18f0933624a261f26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8da3d99f978f6c08a58027a86b54b839c1a3a21122d36a18f0933624a261f26", kill_on_drop: false }`
[INFO] [stdout] c8da3d99f978f6c08a58027a86b54b839c1a3a21122d36a18f0933624a261f26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4af86343b7f5cfdef72aeec6e873f35230686901c4a1fecd7e40c31aaf467833
[INFO] running `Command { std: "docker" "start" "-a" "4af86343b7f5cfdef72aeec6e873f35230686901c4a1fecd7e40c31aaf467833", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/guessing_game-6cf386a180958820)
[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" "4af86343b7f5cfdef72aeec6e873f35230686901c4a1fecd7e40c31aaf467833", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4af86343b7f5cfdef72aeec6e873f35230686901c4a1fecd7e40c31aaf467833", kill_on_drop: false }`
[INFO] [stdout] 4af86343b7f5cfdef72aeec6e873f35230686901c4a1fecd7e40c31aaf467833