[INFO] crate currency 0.4.0 is already in cache
[INFO] extracting crate currency 0.4.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/currency/0.4.0
[INFO] extracting crate currency 0.4.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/currency/0.4.0
[INFO] validating manifest of currency-0.4.0 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 currency-0.4.0 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 currency-0.4.0
[INFO] finished frobbing currency-0.4.0
[INFO] frobbed toml for currency-0.4.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/currency/0.4.0/Cargo.toml
[INFO] started frobbing currency-0.4.0
[INFO] finished frobbing currency-0.4.0
[INFO] frobbed toml for currency-0.4.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/currency/0.4.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 currency-0.4.0 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-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/currency/0.4.0:/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] dcd02c334c966fd00415a8a3c46f180cf8f22a2c8ae6719da04cfda7e63afcb9
[INFO] running `"docker" "start" "-a" "dcd02c334c966fd00415a8a3c46f180cf8f22a2c8ae6719da04cfda7e63afcb9"`
[INFO] [stderr]    Compiling currency v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `BigUint` is imported redundantly
[INFO] [stderr]   --> src/lib.rs:85:27
[INFO] [stderr]    |
[INFO] [stderr] 46 | use num::bigint::{BigInt, BigUint, Sign};
[INFO] [stderr]    |                           ------- the item `BigUint` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 85 |         use num::bigint::{BigUint, Sign};
[INFO] [stderr]    |                           ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Sign` is imported redundantly
[INFO] [stderr]   --> src/lib.rs:85:36
[INFO] [stderr]    |
[INFO] [stderr] 46 | use num::bigint::{BigInt, BigUint, Sign};
[INFO] [stderr]    |                                    ---- the item `Sign` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 85 |         use num::bigint::{BigUint, Sign};
[INFO] [stderr]    |                                    ^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `"docker" "inspect" "dcd02c334c966fd00415a8a3c46f180cf8f22a2c8ae6719da04cfda7e63afcb9"`
[INFO] running `"docker" "rm" "-f" "dcd02c334c966fd00415a8a3c46f180cf8f22a2c8ae6719da04cfda7e63afcb9"`
[INFO] [stdout] dcd02c334c966fd00415a8a3c46f180cf8f22a2c8ae6719da04cfda7e63afcb9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/currency/0.4.0:/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" "test" "--frozen" "--no-run"`
[INFO] [stdout] 72515816208d7f833aef4b69fab61506b88c832b4e4f26de07239d557eea9289
[INFO] running `"docker" "start" "-a" "72515816208d7f833aef4b69fab61506b88c832b4e4f26de07239d557eea9289"`
[INFO] [stderr]    Compiling currency v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `BigUint` is imported redundantly
[INFO] [stderr]   --> src/lib.rs:85:27
[INFO] [stderr]    |
[INFO] [stderr] 46 | use num::bigint::{BigInt, BigUint, Sign};
[INFO] [stderr]    |                           ------- the item `BigUint` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 85 |         use num::bigint::{BigUint, Sign};
[INFO] [stderr]    |                           ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Sign` is imported redundantly
[INFO] [stderr]   --> src/lib.rs:85:36
[INFO] [stderr]    |
[INFO] [stderr] 46 | use num::bigint::{BigInt, BigUint, Sign};
[INFO] [stderr]    |                                    ---- the item `Sign` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 85 |         use num::bigint::{BigUint, Sign};
[INFO] [stderr]    |                                    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str::FromStr`
[INFO] [stderr]    --> src/lib.rs:752:13
[INFO] [stderr]     |
[INFO] [stderr] 752 |         use std::str::FromStr;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `"docker" "inspect" "72515816208d7f833aef4b69fab61506b88c832b4e4f26de07239d557eea9289"`
[INFO] running `"docker" "rm" "-f" "72515816208d7f833aef4b69fab61506b88c832b4e4f26de07239d557eea9289"`
[INFO] [stdout] 72515816208d7f833aef4b69fab61506b88c832b4e4f26de07239d557eea9289
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/currency/0.4.0:/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" "test" "--frozen"`
[INFO] [stdout] 80640fd6591e642f295554cd8a5924dbae7f123fb6a9964becf33458b7bb752c
[INFO] running `"docker" "start" "-a" "80640fd6591e642f295554cd8a5924dbae7f123fb6a9964becf33458b7bb752c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/currency-806c31db918f1c27
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test tests::test_foreign_display ... ok
[INFO] [stdout] test tests::test_div ... ok
[INFO] [stdout] test tests::test_eq ... ok
[INFO] [stdout] test tests::test_display ... ok
[INFO] [stdout] test tests::test_add_commutative ... ok
[INFO] [stdout] test tests::test_neg ... ok
[INFO] [stdout] test tests::test_ord ... ok
[INFO] [stdout] test tests::test_mul ... ok
[INFO] [stdout] test tests::test_mul_commutative ... ok
[INFO] [stdout] test tests::test_sub ... ok
[INFO] [stdout] test tests::test_convert ... ok
[INFO] [stdout] test tests::test_add ... ok
[INFO] [stdout] test tests::test_from_str ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests currency
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - Currency (line 312) ... ok
[INFO] [stdout] test src/lib.rs - Currency::value (line 166) ... ok
[INFO] [stdout] test src/lib.rs - Currency::from_str (line 76) ... ok
[INFO] [stdout] test src/lib.rs - Currency::convert (line 190) ... ok
[INFO] [stdout] test src/lib.rs - Currency (line 218) ... ok
[INFO] [stdout] test src/lib.rs -  (line 19) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "80640fd6591e642f295554cd8a5924dbae7f123fb6a9964becf33458b7bb752c"`
[INFO] running `"docker" "rm" "-f" "80640fd6591e642f295554cd8a5924dbae7f123fb6a9964becf33458b7bb752c"`
[INFO] [stdout] 80640fd6591e642f295554cd8a5924dbae7f123fb6a9964becf33458b7bb752c