[INFO] updating cached repository bellskinling/rust_big_number [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/bellskinling/rust_big_number [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/bellskinling/rust_big_number" "work/ex/beta-1.38-1/sources/1.37.0/gh/bellskinling/rust_big_number"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/bellskinling/rust_big_number'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/bellskinling/rust_big_number" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bellskinling/rust_big_number"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bellskinling/rust_big_number'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] a820d69fd7f61e7c4b02f4aaefa206527030107c [INFO] sha for GitHub repo bellskinling/rust_big_number: a820d69fd7f61e7c4b02f4aaefa206527030107c [INFO] validating manifest of bellskinling/rust_big_number on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of bellskinling/rust_big_number on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing bellskinling/rust_big_number [INFO] finished frobbing bellskinling/rust_big_number [INFO] frobbed toml for bellskinling/rust_big_number written to work/ex/beta-1.38-1/sources/1.37.0/gh/bellskinling/rust_big_number/Cargo.toml [INFO] started frobbing bellskinling/rust_big_number [INFO] finished frobbing bellskinling/rust_big_number [INFO] frobbed toml for bellskinling/rust_big_number written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bellskinling/rust_big_number/Cargo.toml [INFO] crate bellskinling/rust_big_number already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing bellskinling/rust_big_number against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bellskinling/rust_big_number:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"` [INFO] [stdout] 332ae42fa88418e1d62536cd277dbe40f7ff908d0b9dff134305025e9a104a91 [INFO] running `"docker" "start" "-a" "332ae42fa88418e1d62536cd277dbe40f7ff908d0b9dff134305025e9a104a91"` [INFO] [stderr] Compiling big_number v0.1.0 (/opt/crater/workdir) [INFO] [stderr] error[E0637]: `'_` cannot be used here [INFO] [stderr] --> src/big_number_core/big_number.rs:23:30 [INFO] [stderr] | [INFO] [stderr] 23 | pub type BigNumberRevIterMut<'_> = iter::Take>>>; [INFO] [stderr] | ^^ `'_` is a reserved lifetime name [INFO] [stderr] [INFO] [stderr] error[E0637]: `'_` cannot be used here [INFO] [stderr] --> src/big_number_core/big_number.rs:24:27 [INFO] [stderr] | [INFO] [stderr] 24 | pub type BigNumberRevIter<'_> = iter::Take>>>; [INFO] [stderr] | ^^ `'_` is a reserved lifetime name [INFO] [stderr] [INFO] [stderr] error[E0637]: `'_` cannot be used here [INFO] [stderr] --> src/big_number_core/big_number.rs:26:27 [INFO] [stderr] | [INFO] [stderr] 26 | pub type BigNumberIterMut<'_> = iter::Take>>; [INFO] [stderr] | ^^ `'_` is a reserved lifetime name [INFO] [stderr] [INFO] [stderr] error[E0637]: `'_` cannot be used here [INFO] [stderr] --> src/big_number_core/big_number.rs:27:24 [INFO] [stderr] | [INFO] [stderr] 27 | pub type BigNumberIter<'_> = iter::Take>>; [INFO] [stderr] | ^^ `'_` is a reserved lifetime name [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::cmp` [INFO] [stderr] --> src/big_number_core/big_number.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::cmp; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `from_digit`, `pow10`, `to_base_length`, `to_digit` [INFO] [stderr] --> src/big_number_core/big_number.rs:5:20 [INFO] [stderr] | [INFO] [stderr] 5 | use super::tools::{to_base_length, from_digit, to_digit, pow10}; [INFO] [stderr] | ^^^^^^^^^^^^^^ ^^^^^^^^^^ ^^^^^^^^ ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::cmp` [INFO] [stderr] --> src/big_number_core/tools.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::cmp; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `super::big_number::BigNumber` [INFO] [stderr] --> src/big_number_core/tools.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use super::big_number::BigNumber; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `super::big_number::Sign` [INFO] [stderr] --> src/big_number_core/tools.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use super::big_number::Sign; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0106]: missing lifetime specifier [INFO] [stderr] --> src/big_number_core/big_number.rs:23:83 [INFO] [stderr] | [INFO] [stderr] 23 | pub type BigNumberRevIterMut<'_> = iter::Take>>>; [INFO] [stderr] | ^^ expected lifetime parameter [INFO] [stderr] [INFO] [stderr] error[E0106]: missing lifetime specifier [INFO] [stderr] --> src/big_number_core/big_number.rs:24:77 [INFO] [stderr] | [INFO] [stderr] 24 | pub type BigNumberRevIter<'_> = iter::Take>>>; [INFO] [stderr] | ^^ expected lifetime parameter [INFO] [stderr] [INFO] [stderr] error[E0106]: missing lifetime specifier [INFO] [stderr] --> src/big_number_core/big_number.rs:26:70 [INFO] [stderr] | [INFO] [stderr] 26 | pub type BigNumberIterMut<'_> = iter::Take>>; [INFO] [stderr] | ^^ expected lifetime parameter [INFO] [stderr] [INFO] [stderr] error[E0106]: missing lifetime specifier [INFO] [stderr] --> src/big_number_core/big_number.rs:27:64 [INFO] [stderr] | [INFO] [stderr] 27 | pub type BigNumberIter<'_> = iter::Take>>; [INFO] [stderr] | ^^ expected lifetime parameter [INFO] [stderr] [INFO] [stderr] error: aborting due to 8 previous errors [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0106`. [INFO] [stderr] error: Could not compile `big_number`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "332ae42fa88418e1d62536cd277dbe40f7ff908d0b9dff134305025e9a104a91"` [INFO] running `"docker" "rm" "-f" "332ae42fa88418e1d62536cd277dbe40f7ff908d0b9dff134305025e9a104a91"` [INFO] [stdout] 332ae42fa88418e1d62536cd277dbe40f7ff908d0b9dff134305025e9a104a91