[INFO] cloning repository https://github.com/valdemarceccon/fib_rust_memo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/valdemarceccon/fib_rust_memo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvaldemarceccon%2Ffib_rust_memo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvaldemarceccon%2Ffib_rust_memo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3d279ee436513076a9cb9f71f02d537b6ab54034
[INFO] checking valdemarceccon/fib_rust_memo against try#78c81ee3917a99dcff6e2e6822800f0492c415c3 for pr-148967
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvaldemarceccon%2Ffib_rust_memo" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/valdemarceccon/fib_rust_memo
[INFO] finished tweaking git repo https://github.com/valdemarceccon/fib_rust_memo
[INFO] tweaked toml for git repo https://github.com/valdemarceccon/fib_rust_memo written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/valdemarceccon/fib_rust_memo on toolchain 78c81ee3917a99dcff6e2e6822800f0492c415c3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/valdemarceccon/fib_rust_memo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a4362f66ef3149100acb48fe427ec4ac0f2325d3de4f2af34fe0b1d938bacb3e
[INFO] running `Command { std: "docker" "start" "-a" "a4362f66ef3149100acb48fe427ec4ac0f2325d3de4f2af34fe0b1d938bacb3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4362f66ef3149100acb48fe427ec4ac0f2325d3de4f2af34fe0b1d938bacb3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4362f66ef3149100acb48fe427ec4ac0f2325d3de4f2af34fe0b1d938bacb3e", kill_on_drop: false }`
[INFO] [stdout] a4362f66ef3149100acb48fe427ec4ac0f2325d3de4f2af34fe0b1d938bacb3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74770e7a98277bbeffff4336b12a1d86ba5947739631d258291a3fe3dbff6742
[INFO] running `Command { std: "docker" "start" "-a" "74770e7a98277bbeffff4336b12a1d86ba5947739631d258291a3fe3dbff6742", kill_on_drop: false }`
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.3
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling rug v1.11.0
[INFO] [stderr]     Checking az v1.1.0
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "74770e7a98277bbeffff4336b12a1d86ba5947739631d258291a3fe3dbff6742", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74770e7a98277bbeffff4336b12a1d86ba5947739631d258291a3fe3dbff6742", kill_on_drop: false }`
[INFO] [stdout] 74770e7a98277bbeffff4336b12a1d86ba5947739631d258291a3fe3dbff6742