[INFO] cloning repository https://github.com/rust-playground/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/rust-playground/guessing-game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-playground%2Fguessing-game", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-playground%2Fguessing-game'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c4671129fbda24f5eca7354636c0ddd2fde9e7cb
[INFO] checking rust-playground/guessing-game against try#7c3a44cf5f95fa5cf164a312bdcf845157af7093 for pr-77325
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-playground%2Fguessing-game" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rust-playground/guessing-game on toolchain 7c3a44cf5f95fa5cf164a312bdcf845157af7093
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rust-playground/guessing-game
[INFO] finished tweaking git repo https://github.com/rust-playground/guessing-game
[INFO] tweaked toml for git repo https://github.com/rust-playground/guessing-game written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/rust-playground/guessing-game already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2fe2e7aa50deb675a40300056b5e69903276d49ce82541969d49c556fc0d5afb
[INFO] running `Command { std: "docker" "start" "-a" "2fe2e7aa50deb675a40300056b5e69903276d49ce82541969d49c556fc0d5afb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fe2e7aa50deb675a40300056b5e69903276d49ce82541969d49c556fc0d5afb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fe2e7aa50deb675a40300056b5e69903276d49ce82541969d49c556fc0d5afb", kill_on_drop: false }`
[INFO] [stdout] 2fe2e7aa50deb675a40300056b5e69903276d49ce82541969d49c556fc0d5afb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a229c10f85fc5ae21dbcccdf87cfa4f75caa3045727aeceaa8cf4988bc36ff4
[INFO] running `Command { std: "docker" "start" "-a" "1a229c10f85fc5ae21dbcccdf87cfa4f75caa3045727aeceaa8cf4988bc36ff4", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.20
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking guessing-game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `Command { std: "docker" "inspect" "1a229c10f85fc5ae21dbcccdf87cfa4f75caa3045727aeceaa8cf4988bc36ff4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a229c10f85fc5ae21dbcccdf87cfa4f75caa3045727aeceaa8cf4988bc36ff4", kill_on_drop: false }`
[INFO] [stdout] 1a229c10f85fc5ae21dbcccdf87cfa4f75caa3045727aeceaa8cf4988bc36ff4