[INFO] fetching crate rug-maths 0.2.5...
[INFO] crate rug-maths 0.2.5 is already in cache
[INFO] crate rug-maths 0.2.5 is already in cache
[INFO] crate rug-maths 0.2.5 is already in cache
[INFO] crate rug-maths 0.2.5 is already in cache
[INFO] crate rug-maths 0.2.5 is already in cache
[INFO] crate rug-maths 0.2.5 is already in cache
[INFO] crate rug-maths 0.2.5 is already in cache
[INFO] crate rug-maths 0.2.5 is already in cache
[INFO] crate rug-maths 0.2.5 is already in cache
[INFO] crate rug-maths 0.2.5 is already in cache
[INFO] crate rug-maths 0.2.5 is already in cache
[INFO] crate rug-maths 0.2.5 is already in cache
[INFO] crate rug-maths 0.2.5 is already in cache
[INFO] crate rug-maths 0.2.5 is already in cache
[INFO] checking rug-maths-0.2.5 against try#7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e for pr-99880
[INFO] extracting crate rug-maths 0.2.5 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate rug-maths 0.2.5 on toolchain 7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rug-maths 0.2.5
[INFO] finished tweaking crates.io crate rug-maths 0.2.5
[INFO] tweaked toml for crates.io crate rug-maths 0.2.5 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad4bcd1ed185be771acc021348b1372b32e4c982d3de7391cb944c6ba8a711f0
[INFO] running `Command { std: "docker" "start" "-a" "ad4bcd1ed185be771acc021348b1372b32e4c982d3de7391cb944c6ba8a711f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad4bcd1ed185be771acc021348b1372b32e4c982d3de7391cb944c6ba8a711f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad4bcd1ed185be771acc021348b1372b32e4c982d3de7391cb944c6ba8a711f0", kill_on_drop: false }`
[INFO] [stdout] ad4bcd1ed185be771acc021348b1372b32e4c982d3de7391cb944c6ba8a711f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 807006c2052ef00a35675889da622b546a4178f0e4a140d61625d8fe21dc37be
[INFO] running `Command { std: "docker" "start" "-a" "807006c2052ef00a35675889da622b546a4178f0e4a140d61625d8fe21dc37be", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.127
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.9
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling rug v1.16.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking maths-traits v0.2.1
[INFO] [stderr]     Checking rug-maths v0.2.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5m 06s
[INFO] running `Command { std: "docker" "inspect" "807006c2052ef00a35675889da622b546a4178f0e4a140d61625d8fe21dc37be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "807006c2052ef00a35675889da622b546a4178f0e4a140d61625d8fe21dc37be", kill_on_drop: false }`
[INFO] [stdout] 807006c2052ef00a35675889da622b546a4178f0e4a140d61625d8fe21dc37be