[INFO] fetching crate refren 0.1.0...
[INFO] extracting crate refren 0.1.0 into work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/refren/0.1.0
[INFO] extracting crate refren 0.1.0 into work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/refren/0.1.0
[INFO] validating manifest of refren-0.1.0 on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of refren-0.1.0 on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "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/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/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/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/refren/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking refren-0.1.0 against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-6/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/refren/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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=forbid" "-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" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 6c7b80ed1ec8fc8c458e0e784340d971fdf54be6db0bb89014e3f05eead3a2da
[INFO] running `"docker" "start" "-a" "6c7b80ed1ec8fc8c458e0e784340d971fdf54be6db0bb89014e3f05eead3a2da"`
[INFO] [stderr]     Checking 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] 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 0.69s
[INFO] running `"docker" "inspect" "6c7b80ed1ec8fc8c458e0e784340d971fdf54be6db0bb89014e3f05eead3a2da"`
[INFO] running `"docker" "rm" "-f" "6c7b80ed1ec8fc8c458e0e784340d971fdf54be6db0bb89014e3f05eead3a2da"`
[INFO] [stdout] 6c7b80ed1ec8fc8c458e0e784340d971fdf54be6db0bb89014e3f05eead3a2da