[INFO] fetching crate iascar 0.2.1...
[INFO] testing iascar-0.2.1 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate iascar 0.2.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate iascar 0.2.1
[INFO] finished tweaking crates.io crate iascar 0.2.1
[INFO] tweaked toml for crates.io crate iascar 0.2.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate iascar 0.2.1 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate iascar 0.2.1 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `edition` is set on library `iascar` which is deprecated
[INFO] [stderr] warning: `edition` is set on binary `iascar` which is deprecated
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded vec1 v1.10.1
[INFO] [stderr]   Downloaded thiserror v1.0.57
[INFO] [stderr]   Downloaded thiserror-impl v1.0.57
[INFO] [stderr]   Downloaded either v1.10.0
[INFO] [stderr]   Downloaded az v1.2.1
[INFO] [stderr]   Downloaded cmake v0.1.50
[INFO] [stderr]   Downloaded cc v1.0.86
[INFO] [stderr]   Downloaded libm v0.2.8
[INFO] [stderr]   Downloaded rayon v1.8.1
[INFO] [stderr]   Downloaded syn v2.0.50
[INFO] [stderr]   Downloaded rug v1.24.0
[INFO] [stderr]   Downloaded libc v0.2.153
[INFO] [stderr]   Downloaded savan v0.2.0
[INFO] [stderr]   Downloaded clingo v0.7.3
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.6.2
[INFO] [stderr]   Downloaded clingo-sys v0.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d50e1688259fc6ddb8537f63e64b2e3ab4211db8fb60056026c95a4d2f25cc05
[INFO] running `Command { std: "docker" "start" "-a" "d50e1688259fc6ddb8537f63e64b2e3ab4211db8fb60056026c95a4d2f25cc05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d50e1688259fc6ddb8537f63e64b2e3ab4211db8fb60056026c95a4d2f25cc05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d50e1688259fc6ddb8537f63e64b2e3ab4211db8fb60056026c95a4d2f25cc05", kill_on_drop: false }`
[INFO] [stdout] d50e1688259fc6ddb8537f63e64b2e3ab4211db8fb60056026c95a4d2f25cc05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d2b791f6d2253b5dfb093e999f1186d1a77bfca4b338e3104bc0e0717925abe
[INFO] running `Command { std: "docker" "start" "-a" "6d2b791f6d2253b5dfb093e999f1186d1a77bfca4b338e3104bc0e0717925abe", kill_on_drop: false }`
[INFO] [stderr] warning: `edition` is set on library `iascar` which is deprecated
[INFO] [stderr] warning: `edition` is set on binary `iascar` which is deprecated
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling cc v1.0.86
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.2
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling vec1 v1.10.1
[INFO] [stderr]    Compiling rug v1.24.0
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling syn v2.0.50
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling cmake v0.1.50
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling clingo-sys v0.7.1
[INFO] [stderr]    Compiling rayon v1.8.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "6d2b791f6d2253b5dfb093e999f1186d1a77bfca4b338e3104bc0e0717925abe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d2b791f6d2253b5dfb093e999f1186d1a77bfca4b338e3104bc0e0717925abe", kill_on_drop: false }`
[INFO] [stdout] 6d2b791f6d2253b5dfb093e999f1186d1a77bfca4b338e3104bc0e0717925abe