[INFO] cloning repository https://github.com/storyfeet/prisoners_switches
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/storyfeet/prisoners_switches" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstoryfeet%2Fprisoners_switches", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstoryfeet%2Fprisoners_switches'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 75acb4afe6493288a1e7a23898a480dd74c0dbdc
[INFO] checking storyfeet/prisoners_switches against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstoryfeet%2Fprisoners_switches" "/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/storyfeet/prisoners_switches on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/storyfeet/prisoners_switches
[INFO] finished tweaking git repo https://github.com/storyfeet/prisoners_switches
[INFO] tweaked toml for git repo https://github.com/storyfeet/prisoners_switches written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/storyfeet/prisoners_switches already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f8e4941dd2c5dadcc9bb0c45cd1062afac2ed232b0d8e8d52efd2d4e65108b9b
[INFO] running `Command { std: "docker" "start" "-a" "f8e4941dd2c5dadcc9bb0c45cd1062afac2ed232b0d8e8d52efd2d4e65108b9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8e4941dd2c5dadcc9bb0c45cd1062afac2ed232b0d8e8d52efd2d4e65108b9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8e4941dd2c5dadcc9bb0c45cd1062afac2ed232b0d8e8d52efd2d4e65108b9b", kill_on_drop: false }`
[INFO] [stdout] f8e4941dd2c5dadcc9bb0c45cd1062afac2ed232b0d8e8d52efd2d4e65108b9b
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3efb9c856479c4e91fec9f5a3b4d9e076f0e0bf60fe81bfb258e922a9c53f509
[INFO] running `Command { std: "docker" "start" "-a" "3efb9c856479c4e91fec9f5a3b4d9e076f0e0bf60fe81bfb258e922a9c53f509", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking prisoners_switches v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.90s
[INFO] running `Command { std: "docker" "inspect" "3efb9c856479c4e91fec9f5a3b4d9e076f0e0bf60fe81bfb258e922a9c53f509", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3efb9c856479c4e91fec9f5a3b4d9e076f0e0bf60fe81bfb258e922a9c53f509", kill_on_drop: false }`
[INFO] [stdout] 3efb9c856479c4e91fec9f5a3b4d9e076f0e0bf60fe81bfb258e922a9c53f509