[INFO] fetching crate big_num_math 5.4.7...
[INFO] checking big_num_math-5.4.7 against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] extracting crate big_num_math 5.4.7 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate big_num_math 5.4.7
[INFO] finished tweaking crates.io crate big_num_math 5.4.7
[INFO] tweaked toml for crates.io crate big_num_math 5.4.7 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate big_num_math 5.4.7 on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate big_num_math 5.4.7 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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c39d91b7213082101c3e03e955bf3fa21f1f3054dba075e4bdfc250ab55258e
[INFO] running `Command { std: "docker" "start" "-a" "0c39d91b7213082101c3e03e955bf3fa21f1f3054dba075e4bdfc250ab55258e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c39d91b7213082101c3e03e955bf3fa21f1f3054dba075e4bdfc250ab55258e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c39d91b7213082101c3e03e955bf3fa21f1f3054dba075e4bdfc250ab55258e", kill_on_drop: false }`
[INFO] [stdout] 0c39d91b7213082101c3e03e955bf3fa21f1f3054dba075e4bdfc250ab55258e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] caf67ffa75750551c7b1323a93f2823715cc0868f84690db4cb30fe4065a27a0
[INFO] running `Command { std: "docker" "start" "-a" "caf67ffa75750551c7b1323a93f2823715cc0868f84690db4cb30fe4065a27a0", kill_on_drop: false }`
[INFO] [stderr]     Checking big_num_math v5.4.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `Command { std: "docker" "inspect" "caf67ffa75750551c7b1323a93f2823715cc0868f84690db4cb30fe4065a27a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "caf67ffa75750551c7b1323a93f2823715cc0868f84690db4cb30fe4065a27a0", kill_on_drop: false }`
[INFO] [stdout] caf67ffa75750551c7b1323a93f2823715cc0868f84690db4cb30fe4065a27a0