[INFO] crate refren 0.1.0 is already in cache
[INFO] extracting crate refren 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/refren/0.1.0
[INFO] extracting crate refren 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/refren/0.1.0
[INFO] validating manifest of refren-0.1.0 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of refren-0.1.0 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing refren-0.1.0
[INFO] finished frobbing refren-0.1.0
[INFO] frobbed toml for refren-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/refren/0.1.0/Cargo.toml
[INFO] started frobbing refren-0.1.0
[INFO] finished frobbing refren-0.1.0
[INFO] frobbed toml for refren-0.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/refren/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing refren-0.1.0 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/refren/0.1.0:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] a9c91b20d3bea8e0c21f2df702821624827893f3dd6b297c0e1f00c6cc656382
[INFO] running `"docker" "start" "-a" "a9c91b20d3bea8e0c21f2df702821624827893f3dd6b297c0e1f00c6cc656382"`
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling refren v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/name.rs:41:42
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn singular<'a>(&'a self) -> Box<Iterator<Item = &'a Token> + 'a> {
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = &'a Token> + 'a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/name.rs:68:32
[INFO] [stderr]    |
[INFO] [stderr] 68 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/transform.rs:4:38
[INFO] [stderr]   |
[INFO] [stderr] 4 |     fn transform(&self, reader: &mut io::Read, writer: &mut io::Write) -> io::Result<()>;
[INFO] [stderr]   |                                      ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/transform.rs:4:61
[INFO] [stderr]   |
[INFO] [stderr] 4 |     fn transform(&self, reader: &mut io::Read, writer: &mut io::Write) -> io::Result<()>;
[INFO] [stderr]   |                                                             ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/transform.rs:138:42
[INFO] [stderr]     |
[INFO] [stderr] 138 |         fn transform(&self, reader: &mut io::Read, writer: &mut io::Write) -> io::Result<()> {
[INFO] [stderr]     |                                          ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/transform.rs:138:65
[INFO] [stderr]     |
[INFO] [stderr] 138 |         fn transform(&self, reader: &mut io::Read, writer: &mut io::Write) -> io::Result<()> {
[INFO] [stderr]     |                                                                 ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/transform.rs:228:85
[INFO] [stderr]     |
[INFO] [stderr] 228 | pub fn default_transformer<I: IntoIterator<Item = (String, String)>>(map: I) -> Box<Transform> {
[INFO] [stderr]     |                                                                                     ^^^^^^^^^ help: use `dyn`: `dyn Transform`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:24:61
[INFO] [stderr]    |
[INFO] [stderr] 24 | fn run_command(args_os: std::env::ArgsOs) -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                                                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:77:31
[INFO] [stderr]    |
[INFO] [stderr] 77 | fn process_file(transformer: &Transform, file_name: &str) -> io::Result<()> {
[INFO] [stderr]    |                               ^^^^^^^^^ help: use `dyn`: `dyn Transform`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.92s
[INFO] running `"docker" "inspect" "a9c91b20d3bea8e0c21f2df702821624827893f3dd6b297c0e1f00c6cc656382"`
[INFO] running `"docker" "rm" "-f" "a9c91b20d3bea8e0c21f2df702821624827893f3dd6b297c0e1f00c6cc656382"`
[INFO] [stdout] a9c91b20d3bea8e0c21f2df702821624827893f3dd6b297c0e1f00c6cc656382
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/refren/0.1.0:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] ed5de999f70764a33713b8222c8bf103c42c910215cb7cc6679a4bd0e7d9af68
[INFO] running `"docker" "start" "-a" "ed5de999f70764a33713b8222c8bf103c42c910215cb7cc6679a4bd0e7d9af68"`
[INFO] [stderr]    Compiling refren v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/name.rs:41:42
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn singular<'a>(&'a self) -> Box<Iterator<Item = &'a Token> + 'a> {
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = &'a Token> + 'a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/name.rs:68:32
[INFO] [stderr]    |
[INFO] [stderr] 68 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/transform.rs:4:38
[INFO] [stderr]   |
[INFO] [stderr] 4 |     fn transform(&self, reader: &mut io::Read, writer: &mut io::Write) -> io::Result<()>;
[INFO] [stderr]   |                                      ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/transform.rs:4:61
[INFO] [stderr]   |
[INFO] [stderr] 4 |     fn transform(&self, reader: &mut io::Read, writer: &mut io::Write) -> io::Result<()>;
[INFO] [stderr]   |                                                             ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/transform.rs:138:42
[INFO] [stderr]     |
[INFO] [stderr] 138 |         fn transform(&self, reader: &mut io::Read, writer: &mut io::Write) -> io::Result<()> {
[INFO] [stderr]     |                                          ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/transform.rs:138:65
[INFO] [stderr]     |
[INFO] [stderr] 138 |         fn transform(&self, reader: &mut io::Read, writer: &mut io::Write) -> io::Result<()> {
[INFO] [stderr]     |                                                                 ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/transform.rs:228:85
[INFO] [stderr]     |
[INFO] [stderr] 228 | pub fn default_transformer<I: IntoIterator<Item = (String, String)>>(map: I) -> Box<Transform> {
[INFO] [stderr]     |                                                                                     ^^^^^^^^^ help: use `dyn`: `dyn Transform`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:24:61
[INFO] [stderr]    |
[INFO] [stderr] 24 | fn run_command(args_os: std::env::ArgsOs) -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                                                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:77:31
[INFO] [stderr]    |
[INFO] [stderr] 77 | fn process_file(transformer: &Transform, file_name: &str) -> io::Result<()> {
[INFO] [stderr]    |                               ^^^^^^^^^ help: use `dyn`: `dyn Transform`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.01s
[INFO] running `"docker" "inspect" "ed5de999f70764a33713b8222c8bf103c42c910215cb7cc6679a4bd0e7d9af68"`
[INFO] running `"docker" "rm" "-f" "ed5de999f70764a33713b8222c8bf103c42c910215cb7cc6679a4bd0e7d9af68"`
[INFO] [stdout] ed5de999f70764a33713b8222c8bf103c42c910215cb7cc6679a4bd0e7d9af68
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/refren/0.1.0:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 90b35ccd165c408774213ad805841490b180f944227e17426f8595cb0fd7db6b
[INFO] running `"docker" "start" "-a" "90b35ccd165c408774213ad805841490b180f944227e17426f8595cb0fd7db6b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/refren-c28f1ff66abf6944
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test name::test_mixed_case_error ... ok
[INFO] [stdout] test name::test_simple ... ok
[INFO] [stdout] test transform::aho_corasick::test_utf8 ... ok
[INFO] [stdout] test transform::aho_corasick::test_dict_suffix_link ... ok
[INFO] [stdout] test transform::aho_corasick::test_suffix_link ... ok
[INFO] [stdout] test style::test_simple_style ... 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" "90b35ccd165c408774213ad805841490b180f944227e17426f8595cb0fd7db6b"`
[INFO] running `"docker" "rm" "-f" "90b35ccd165c408774213ad805841490b180f944227e17426f8595cb0fd7db6b"`
[INFO] [stdout] 90b35ccd165c408774213ad805841490b180f944227e17426f8595cb0fd7db6b