[INFO] crate spellcheck_toy 0.3.2 is already in cache
[INFO] extracting crate spellcheck_toy 0.3.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/spellcheck_toy/0.3.2
[INFO] extracting crate spellcheck_toy 0.3.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/spellcheck_toy/0.3.2
[INFO] validating manifest of spellcheck_toy-0.3.2 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 spellcheck_toy-0.3.2 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 spellcheck_toy-0.3.2
[INFO] finished frobbing spellcheck_toy-0.3.2
[INFO] frobbed toml for spellcheck_toy-0.3.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/spellcheck_toy/0.3.2/Cargo.toml
[INFO] started frobbing spellcheck_toy-0.3.2
[INFO] finished frobbing spellcheck_toy-0.3.2
[INFO] frobbed toml for spellcheck_toy-0.3.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/spellcheck_toy/0.3.2/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] 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 spellcheck_toy-0.3.2 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/reg/spellcheck_toy/0.3.2:/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] 85d834d465a88f4c0a143344c5cff03b9506cbfc09143f89b4b02dc764c8aea4
[INFO] running `"docker" "start" "-a" "85d834d465a88f4c0a143344c5cff03b9506cbfc09143f89b4b02dc764c8aea4"`
[INFO] [stderr]    Compiling stringedits v0.2.0
[INFO] [stderr]    Compiling spellcheck_toy v0.3.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::iter::FromIterator`
[INFO] [stderr]  --> src/lib.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::iter::FromIterator;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.45s
[INFO] running `"docker" "inspect" "85d834d465a88f4c0a143344c5cff03b9506cbfc09143f89b4b02dc764c8aea4"`
[INFO] running `"docker" "rm" "-f" "85d834d465a88f4c0a143344c5cff03b9506cbfc09143f89b4b02dc764c8aea4"`
[INFO] [stdout] 85d834d465a88f4c0a143344c5cff03b9506cbfc09143f89b4b02dc764c8aea4
[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/reg/spellcheck_toy/0.3.2:/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] a76ba0ded4716d4dd0ec108fcbe7acf605982d72851d4f39be6d3d8b1d3df5a4
[INFO] running `"docker" "start" "-a" "a76ba0ded4716d4dd0ec108fcbe7acf605982d72851d4f39be6d3d8b1d3df5a4"`
[INFO] [stderr]    Compiling spellcheck_toy v0.3.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `ASCII_LOWERCASE`
[INFO] [stderr]  --> src/test_dict.rs:1:19
[INFO] [stderr]   |
[INFO] [stderr] 1 | use super::{Dict, ASCII_LOWERCASE};
[INFO] [stderr]   |                   ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::iter::FromIterator`
[INFO] [stderr]  --> src/lib.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::iter::FromIterator;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.63s
[INFO] running `"docker" "inspect" "a76ba0ded4716d4dd0ec108fcbe7acf605982d72851d4f39be6d3d8b1d3df5a4"`
[INFO] running `"docker" "rm" "-f" "a76ba0ded4716d4dd0ec108fcbe7acf605982d72851d4f39be6d3d8b1d3df5a4"`
[INFO] [stdout] a76ba0ded4716d4dd0ec108fcbe7acf605982d72851d4f39be6d3d8b1d3df5a4
[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/reg/spellcheck_toy/0.3.2:/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] 68a5df78a3f9c8fd12b12150e27cd0bc147146f9b6d5f4e17a5c0272f2a0ab71
[INFO] running `"docker" "start" "-a" "68a5df78a3f9c8fd12b12150e27cd0bc147146f9b6d5f4e17a5c0272f2a0ab71"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/spellcheck_toy-f664c3b8154da946
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_dict::test_dict ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests spellcheck_toy
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - Dict::from_corpus (line 133) ... ok
[INFO] [stdout] test src/lib.rs - Dict::insert (line 114) ... ok
[INFO] [stdout] test src/lib.rs - Dict (line 33) ... ok
[INFO] [stdout] test src/lib.rs - Dict::get (line 60) ... ok
[INFO] [stdout] test src/lib.rs - Dict::save_to_writer (line 166) ... ok
[INFO] [stdout] test src/lib.rs - Dict::correction (line 88) ... 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" "68a5df78a3f9c8fd12b12150e27cd0bc147146f9b6d5f4e17a5c0272f2a0ab71"`
[INFO] running `"docker" "rm" "-f" "68a5df78a3f9c8fd12b12150e27cd0bc147146f9b6d5f4e17a5c0272f2a0ab71"`
[INFO] [stdout] 68a5df78a3f9c8fd12b12150e27cd0bc147146f9b6d5f4e17a5c0272f2a0ab71