[INFO] fetching crate rug 1.15.0...
[INFO] checking rug-1.15.0 against try#9b06ec641f3d05c126a54ceadba42a64366f72b4 for pr-95755
[INFO] extracting crate rug 1.15.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate rug 1.15.0 on toolchain 9b06ec641f3d05c126a54ceadba42a64366f72b4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b06ec641f3d05c126a54ceadba42a64366f72b4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rug 1.15.0
[INFO] finished tweaking crates.io crate rug 1.15.0
[INFO] tweaked toml for crates.io crate rug 1.15.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b06ec641f3d05c126a54ceadba42a64366f72b4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b06ec641f3d05c126a54ceadba42a64366f72b4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+9b06ec641f3d05c126a54ceadba42a64366f72b4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 49bc733617aa87afad2da2037af4bb02525ec402b685cca3d46a25688c88d63b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "49bc733617aa87afad2da2037af4bb02525ec402b685cca3d46a25688c88d63b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49bc733617aa87afad2da2037af4bb02525ec402b685cca3d46a25688c88d63b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49bc733617aa87afad2da2037af4bb02525ec402b685cca3d46a25688c88d63b", kill_on_drop: false }`
[INFO] [stdout] 49bc733617aa87afad2da2037af4bb02525ec402b685cca3d46a25688c88d63b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+9b06ec641f3d05c126a54ceadba42a64366f72b4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03d5abdd6b9be1c80fd72498c4f2f856814c3d103f2c98696bd9d7e1c96010d6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "03d5abdd6b9be1c80fd72498c4f2f856814c3d103f2c98696bd9d7e1c96010d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.8
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling az v1.2.0
[INFO] [stderr]    Compiling rug v1.15.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_test v1.0.136
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4m 19s
[INFO] running `Command { std: "docker" "inspect" "03d5abdd6b9be1c80fd72498c4f2f856814c3d103f2c98696bd9d7e1c96010d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03d5abdd6b9be1c80fd72498c4f2f856814c3d103f2c98696bd9d7e1c96010d6", kill_on_drop: false }`
[INFO] [stdout] 03d5abdd6b9be1c80fd72498c4f2f856814c3d103f2c98696bd9d7e1c96010d6