[INFO] cloning repository https://github.com/DeviousCilantro/elgamal
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DeviousCilantro/elgamal" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDeviousCilantro%2Felgamal", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDeviousCilantro%2Felgamal'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8ff74f6ef4f7b014f0f312b2f44ecd19f78ff4bc
[INFO] checking DeviousCilantro/elgamal/8ff74f6ef4f7b014f0f312b2f44ecd19f78ff4bc against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDeviousCilantro%2Felgamal" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DeviousCilantro/elgamal on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DeviousCilantro/elgamal
[INFO] finished tweaking git repo https://github.com/DeviousCilantro/elgamal
[INFO] tweaked toml for git repo https://github.com/DeviousCilantro/elgamal written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/DeviousCilantro/elgamal 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1082af9d72f6a75cfce81d07533f5b7bf902ed03dd98c9d759fe81ad0a89ead0
[INFO] running `Command { std: "docker" "start" "-a" "1082af9d72f6a75cfce81d07533f5b7bf902ed03dd98c9d759fe81ad0a89ead0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1082af9d72f6a75cfce81d07533f5b7bf902ed03dd98c9d759fe81ad0a89ead0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1082af9d72f6a75cfce81d07533f5b7bf902ed03dd98c9d759fe81ad0a89ead0", kill_on_drop: false }`
[INFO] [stdout] 1082af9d72f6a75cfce81d07533f5b7bf902ed03dd98c9d759fe81ad0a89ead0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Dtail_expr_drop_order" "-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78d745d39fe3177b70448c59c29d6073ee8ab25ed2a40fcf80e92989d25eefcd
[INFO] running `Command { std: "docker" "start" "-a" "78d745d39fe3177b70448c59c29d6073ee8ab25ed2a40fcf80e92989d25eefcd", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.5.3
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling log v0.4.18
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling rug v1.19.2
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking base64 v0.20.0
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking num-complex v0.4.3
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]     Checking num-primes v0.3.0
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "78d745d39fe3177b70448c59c29d6073ee8ab25ed2a40fcf80e92989d25eefcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78d745d39fe3177b70448c59c29d6073ee8ab25ed2a40fcf80e92989d25eefcd", kill_on_drop: false }`
[INFO] [stdout] 78d745d39fe3177b70448c59c29d6073ee8ab25ed2a40fcf80e92989d25eefcd