[INFO] crate junitxml2subunit 1.0.0 is already in cache
[INFO] extracting crate junitxml2subunit 1.0.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/junitxml2subunit/1.0.0
[INFO] extracting crate junitxml2subunit 1.0.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/junitxml2subunit/1.0.0
[INFO] validating manifest of junitxml2subunit-1.0.0 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 junitxml2subunit-1.0.0 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 junitxml2subunit-1.0.0
[INFO] finished frobbing junitxml2subunit-1.0.0
[INFO] frobbed toml for junitxml2subunit-1.0.0 written to work/ex/beta-1.38-1/sources/1.37.0/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/beta-1.38-1/sources/beta-2019-08-13/reg/junitxml2subunit/1.0.0/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] 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 junitxml2subunit-1.0.0 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/junitxml2subunit/1.0.0:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 7b2742cfb53877b12688c6921043879f7987a12c69c451d3bf7379b8955442ec
[INFO] running `"docker" "start" "-a" "7b2742cfb53877b12688c6921043879f7987a12c69c451d3bf7379b8955442ec"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling clap v2.31.2
[INFO] [stderr]    Compiling subunit-rust v0.1.2
[INFO] [stderr]    Compiling quick-xml v0.12.4
[INFO] [stderr]    Compiling 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: 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 18.18s
[INFO] running `"docker" "inspect" "7b2742cfb53877b12688c6921043879f7987a12c69c451d3bf7379b8955442ec"`
[INFO] running `"docker" "rm" "-f" "7b2742cfb53877b12688c6921043879f7987a12c69c451d3bf7379b8955442ec"`
[INFO] [stdout] 7b2742cfb53877b12688c6921043879f7987a12c69c451d3bf7379b8955442ec
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/junitxml2subunit/1.0.0:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] b8d39674fc1d237342444a0ace0882e872f0d203bf4d85f132cb572771436da8
[INFO] running `"docker" "start" "-a" "b8d39674fc1d237342444a0ace0882e872f0d203bf4d85f132cb572771436da8"`
[INFO] [stderr]    Compiling 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: 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 1.07s
[INFO] running `"docker" "inspect" "b8d39674fc1d237342444a0ace0882e872f0d203bf4d85f132cb572771436da8"`
[INFO] running `"docker" "rm" "-f" "b8d39674fc1d237342444a0ace0882e872f0d203bf4d85f132cb572771436da8"`
[INFO] [stdout] b8d39674fc1d237342444a0ace0882e872f0d203bf4d85f132cb572771436da8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/junitxml2subunit/1.0.0:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] abe2f83d004a8d5bc099f8ab2f94f1008a8f7d72f4bbb52566761fbb351d0d43
[INFO] running `"docker" "start" "-a" "abe2f83d004a8d5bc099f8ab2f94f1008a8f7d72f4bbb52566761fbb351d0d43"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/junitxml2subunit-4630d5472e92cb0d
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "abe2f83d004a8d5bc099f8ab2f94f1008a8f7d72f4bbb52566761fbb351d0d43"`
[INFO] running `"docker" "rm" "-f" "abe2f83d004a8d5bc099f8ab2f94f1008a8f7d72f4bbb52566761fbb351d0d43"`
[INFO] [stdout] abe2f83d004a8d5bc099f8ab2f94f1008a8f7d72f4bbb52566761fbb351d0d43