[INFO] fetching crate junitxml2subunit 1.0.0...
[INFO] extracting crate junitxml2subunit 1.0.0 into work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/junitxml2subunit/1.0.0
[INFO] extracting crate junitxml2subunit 1.0.0 into work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/junitxml2subunit/1.0.0
[INFO] validating manifest of junitxml2subunit-1.0.0 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 junitxml2subunit-1.0.0 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 junitxml2subunit-1.0.0
[INFO] finished frobbing junitxml2subunit-1.0.0
[INFO] frobbed toml for junitxml2subunit-1.0.0 written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/junitxml2subunit/1.0.0/Cargo.toml
[INFO] started frobbing junitxml2subunit-1.0.0
[INFO] finished frobbing junitxml2subunit-1.0.0
[INFO] frobbed toml for junitxml2subunit-1.0.0 written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/junitxml2subunit/1.0.0/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 junitxml2subunit-1.0.0 against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-4/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/junitxml2subunit/1.0.0:/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" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 5677191fbb8ecd4c3317497841fe3dd935778c339bdf38078528ad967880759b
[INFO] running `"docker" "start" "-a" "5677191fbb8ecd4c3317497841fe3dd935778c339bdf38078528ad967880759b"`
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking subunit-rust v0.1.2
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]     Checking junitxml2subunit v1.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:39:21
[INFO] [stderr]    |
[INFO] [stderr] 39 | type GenError = Box<Error>;
[INFO] [stderr]    |                     ^^^^^ help: use `dyn`: `dyn Error`
[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/main.rs:117:25
[INFO] [stderr]     |
[INFO] [stderr] 117 |     let mut stdout: Box<Write>;
[INFO] [stderr]     |                         ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:39:21
[INFO] [stderr]    |
[INFO] [stderr] 39 | type GenError = Box<Error>;
[INFO] [stderr]    |                     ^^^^^ help: use `dyn`: `dyn Error`
[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/main.rs:117:25
[INFO] [stderr]     |
[INFO] [stderr] 117 |     let mut stdout: Box<Write>;
[INFO] [stderr]     |                         ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `test_id`
[INFO] [stderr]    --> src/main.rs:261:25
[INFO] [stderr]     |
[INFO] [stderr] 261 |                 let mut test_id = "".to_string();
[INFO] [stderr]     |                         ^^^^^^^ help: consider prefixing with an underscore: `_test_id`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:261:21
[INFO] [stderr]     |
[INFO] [stderr] 261 |                 let mut test_id = "".to_string();
[INFO] [stderr]     |                     ----^^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused comparison that must be used
[INFO] [stderr]    --> src/main.rs:230:21
[INFO] [stderr]     |
[INFO] [stderr] 230 |                     test_id == "".to_string();
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `test_id`
[INFO] [stderr]    --> src/main.rs:261:25
[INFO] [stderr]     |
[INFO] [stderr] 261 |                 let mut test_id = "".to_string();
[INFO] [stderr]     |                         ^^^^^^^ help: consider prefixing with an underscore: `_test_id`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:261:21
[INFO] [stderr]     |
[INFO] [stderr] 261 |                 let mut test_id = "".to_string();
[INFO] [stderr]     |                     ----^^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused comparison that must be used
[INFO] [stderr]    --> src/main.rs:230:21
[INFO] [stderr]     |
[INFO] [stderr] 230 |                     test_id == "".to_string();
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.39s
[INFO] running `"docker" "inspect" "5677191fbb8ecd4c3317497841fe3dd935778c339bdf38078528ad967880759b"`
[INFO] running `"docker" "rm" "-f" "5677191fbb8ecd4c3317497841fe3dd935778c339bdf38078528ad967880759b"`
[INFO] [stdout] 5677191fbb8ecd4c3317497841fe3dd935778c339bdf38078528ad967880759b