[INFO] crate factorial 0.1.1 is already in cache
[INFO] testing factorial-0.1.1 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate factorial 0.1.1 into work/builds/worker-2/source
[INFO] validating manifest of crates.io crate factorial 0.1.1 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate factorial 0.1.1
[INFO] finished tweaking crates.io crate factorial 0.1.1
[INFO] tweaked toml for crates.io crate factorial 0.1.1 written to work/builds/worker-2/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] fbde79d98626d364f8e281febc0f8ea5445459cbfc2ef661b00c97bcc51bc8e1
[INFO] running `"docker" "start" "-a" "fbde79d98626d364f8e281febc0f8ea5445459cbfc2ef661b00c97bcc51bc8e1"`
[INFO] [stderr]    Compiling factorial v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Signed`
[INFO] [stderr]   --> src/lib.rs:12:30
[INFO] [stderr]    |
[INFO] [stderr] 12 | use num_traits::{CheckedMul, Signed, Unsigned};
[INFO] [stderr]    |                              ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::RangeInclusive`
[INFO] [stderr]   --> src/lib.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::ops::RangeInclusive;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `"docker" "inspect" "fbde79d98626d364f8e281febc0f8ea5445459cbfc2ef661b00c97bcc51bc8e1"`
[INFO] running `"docker" "rm" "-f" "fbde79d98626d364f8e281febc0f8ea5445459cbfc2ef661b00c97bcc51bc8e1"`
[INFO] [stdout] fbde79d98626d364f8e281febc0f8ea5445459cbfc2ef661b00c97bcc51bc8e1
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] ff8a52910e0c6ff985ef9c2371010ccd336cad81807c632bfc697dd9640a038d
[INFO] running `"docker" "start" "-a" "ff8a52910e0c6ff985ef9c2371010ccd336cad81807c632bfc697dd9640a038d"`
[INFO] [stderr]    Compiling factorial v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Signed`
[INFO] [stderr]   --> src/lib.rs:12:30
[INFO] [stderr]    |
[INFO] [stderr] 12 | use num_traits::{CheckedMul, Signed, Unsigned};
[INFO] [stderr]    |                              ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::RangeInclusive`
[INFO] [stderr]   --> src/lib.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::ops::RangeInclusive;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `"docker" "inspect" "ff8a52910e0c6ff985ef9c2371010ccd336cad81807c632bfc697dd9640a038d"`
[INFO] running `"docker" "rm" "-f" "ff8a52910e0c6ff985ef9c2371010ccd336cad81807c632bfc697dd9640a038d"`
[INFO] [stdout] ff8a52910e0c6ff985ef9c2371010ccd336cad81807c632bfc697dd9640a038d
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] d0d44141369f9cd4f2b48ce5b6123fcd57aed17fb06cea490a5454a754ecb63a
[INFO] running `"docker" "start" "-a" "d0d44141369f9cd4f2b48ce5b6123fcd57aed17fb06cea490a5454a754ecb63a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/factorial-d915f2241e5f9b5b
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::one_fact_is_one ... ok
[INFO] [stdout] test tests::biguint_support ... ok
[INFO] [stdout] test tests::ten_fact ... ok
[INFO] [stdout] test tests::two_fact_is_two ... ok
[INFO] [stdout] test tests::too_large_safe ... ok
[INFO] [stdout] test tests::zero_fact_is_one ... ok
[INFO] [stdout] test tests::too_large ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests factorial
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - Factorial::factorial (line 32) ... ok
[INFO] [stdout] test src/lib.rs - Factorial::checked_factorial (line 23) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "d0d44141369f9cd4f2b48ce5b6123fcd57aed17fb06cea490a5454a754ecb63a"`
[INFO] running `"docker" "rm" "-f" "d0d44141369f9cd4f2b48ce5b6123fcd57aed17fb06cea490a5454a754ecb63a"`
[INFO] [stdout] d0d44141369f9cd4f2b48ce5b6123fcd57aed17fb06cea490a5454a754ecb63a