[INFO] fetching crate rug-maths 0.2.5...
[INFO] checking rug-maths-0.2.5 against try#1c4199da70f816f2239f41c55168ff75a3663718 for pr-155499
[INFO] extracting crate rug-maths 0.2.5 into /workspace/builds/worker-4-tc2/source
[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-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rug-maths 0.2.5 on toolchain 1c4199da70f816f2239f41c55168ff75a3663718
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1c4199da70f816f2239f41c55168ff75a3663718" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1c4199da70f816f2239f41c55168ff75a3663718" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 10 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1c4199da70f816f2239f41c55168ff75a3663718" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1c4199da70f816f2239f41c55168ff75a3663718" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a1b0ea44b90181c12b29a4724a2770523d085d5264717de1197b7c9d295005c
[INFO] running `Command { std: "docker" "start" "-a" "4a1b0ea44b90181c12b29a4724a2770523d085d5264717de1197b7c9d295005c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a1b0ea44b90181c12b29a4724a2770523d085d5264717de1197b7c9d295005c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a1b0ea44b90181c12b29a4724a2770523d085d5264717de1197b7c9d295005c", kill_on_drop: false }`
[INFO] [stdout] 4a1b0ea44b90181c12b29a4724a2770523d085d5264717de1197b7c9d295005c
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1c4199da70f816f2239f41c55168ff75a3663718" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a6b46c8b6c9c619d519e3c5cc4941d7ce344358ac72c4b8b5c39626cc469c8b
[INFO] running `Command { std: "docker" "start" "-a" "9a6b46c8b6c9c619d519e3c5cc4941d7ce344358ac72c4b8b5c39626cc469c8b", kill_on_drop: false }`
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.7.0
[INFO] [stderr]    Compiling libc v0.2.185
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling rug v1.29.0
[INFO] [stderr]     Checking az v1.3.0
[INFO] [stderr]     Checking maths-traits v0.2.1
[INFO] [stderr]     Checking rug-maths v0.2.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 45s
[INFO] running `Command { std: "docker" "inspect" "9a6b46c8b6c9c619d519e3c5cc4941d7ce344358ac72c4b8b5c39626cc469c8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a6b46c8b6c9c619d519e3c5cc4941d7ce344358ac72c4b8b5c39626cc469c8b", kill_on_drop: false }`
[INFO] [stdout] 9a6b46c8b6c9c619d519e3c5cc4941d7ce344358ac72c4b8b5c39626cc469c8b