[INFO] fetching crate cw-bigint 0.4.3...
[INFO] checking cw-bigint-0.4.3 against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1
[INFO] extracting crate cw-bigint 0.4.3 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate cw-bigint 0.4.3 on toolchain ff1737bb00913444173658b4e0b274fd79aabf66
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cw-bigint 0.4.3
[INFO] finished tweaking crates.io crate cw-bigint 0.4.3
[INFO] tweaked toml for crates.io crate cw-bigint 0.4.3 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 17 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c8cb238fd291ab2b134114f78a29a3cd170416822745660d1aba9dbe2b874fa3
[INFO] running `Command { std: "docker" "start" "-a" "c8cb238fd291ab2b134114f78a29a3cd170416822745660d1aba9dbe2b874fa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8cb238fd291ab2b134114f78a29a3cd170416822745660d1aba9dbe2b874fa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8cb238fd291ab2b134114f78a29a3cd170416822745660d1aba9dbe2b874fa3", kill_on_drop: false }`
[INFO] [stdout] c8cb238fd291ab2b134114f78a29a3cd170416822745660d1aba9dbe2b874fa3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f2cef505531f6347fbf2d43340bcd9dcb374ece88daa6aa8c034eebe22391dfe
[INFO] running `Command { std: "docker" "start" "-a" "f2cef505531f6347fbf2d43340bcd9dcb374ece88daa6aa8c034eebe22391dfe", kill_on_drop: false }`
[INFO] [stderr]    Compiling cw-bigint v0.4.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `num_bigint`
[INFO] [stdout]   --> benches/shootout-pidigits.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | use num_bigint::BigInt;
[INFO] [stdout]    |     ^^^^^^^^^^ use of undeclared crate or module `num_bigint`
[INFO] [stdout]    |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 44 | use cw_bigint::BigInt;
[INFO] [stdout]    |     ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `num_bigint`
[INFO] [stdout]  --> benches/factorial.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use num_bigint::BigUint;
[INFO] [stdout]   |     ^^^^^^^^^^ use of undeclared crate or module `num_bigint`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 5 | use cw_bigint::BigUint;
[INFO] [stdout]   |     ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cw-bigint` (bench "shootout-pidigits") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `cw-bigint` (bench "factorial") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "f2cef505531f6347fbf2d43340bcd9dcb374ece88daa6aa8c034eebe22391dfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2cef505531f6347fbf2d43340bcd9dcb374ece88daa6aa8c034eebe22391dfe", kill_on_drop: false }`
[INFO] [stdout] f2cef505531f6347fbf2d43340bcd9dcb374ece88daa6aa8c034eebe22391dfe