[INFO] fetching crate bigfactorial 0.1.2...
[INFO] checking bigfactorial-0.1.2 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate bigfactorial 0.1.2 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate bigfactorial 0.1.2 on toolchain 80399064afa4a2cd153f30d02c25f7ea0383ed65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bigfactorial 0.1.2
[INFO] finished tweaking crates.io crate bigfactorial 0.1.2
[INFO] tweaked toml for crates.io crate bigfactorial 0.1.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-bigint v0.3.3
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e1b8d9143081d6d3e5bede42e9305d509d9bccc4e4bb02def0a88378b6b1ff3
[INFO] running `Command { std: "docker" "start" "-a" "6e1b8d9143081d6d3e5bede42e9305d509d9bccc4e4bb02def0a88378b6b1ff3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e1b8d9143081d6d3e5bede42e9305d509d9bccc4e4bb02def0a88378b6b1ff3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e1b8d9143081d6d3e5bede42e9305d509d9bccc4e4bb02def0a88378b6b1ff3", kill_on_drop: false }`
[INFO] [stdout] 6e1b8d9143081d6d3e5bede42e9305d509d9bccc4e4bb02def0a88378b6b1ff3
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3cc74d141b2270c3a8e0c9c5a7804020c866ae8435adef6601ca80c958e466b0
[INFO] running `Command { std: "docker" "start" "-a" "3cc74d141b2270c3a8e0c9c5a7804020c866ae8435adef6601ca80c958e466b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]     Checking bigfactorial v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stdout] warning: the item `fact` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 10  | / macro_rules! fact {
[INFO] [stdout] 11  | |     (0) => (to_bigint!(b"1"));
[INFO] [stdout] 12  | |     (1) => (to_bigint!(b"1"));
[INFO] [stdout] 13  | |     (2) => (to_bigint!(b"2"));
[INFO] [stdout] ...   |
[INFO] [stdout] 110 | |     (99) => (to_bigint!(b"933262154439441526816992388562667004907159682643816214685929638952175999932299156089414639761565182862536979208...
[INFO] [stdout] 111 | | }
[INFO] [stdout]     | |_- the item `fact` is already defined here
[INFO] [stdout] ...
[INFO] [stdout] 115 |       use crate::fact;
[INFO] [stdout]     |           ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "3cc74d141b2270c3a8e0c9c5a7804020c866ae8435adef6601ca80c958e466b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cc74d141b2270c3a8e0c9c5a7804020c866ae8435adef6601ca80c958e466b0", kill_on_drop: false }`
[INFO] [stdout] 3cc74d141b2270c3a8e0c9c5a7804020c866ae8435adef6601ca80c958e466b0
