[INFO] fetching crate varlink_generator 7.1.0...
[INFO] extracting crate varlink_generator 7.1.0 into work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/varlink_generator/7.1.0
[INFO] extracting crate varlink_generator 7.1.0 into work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/varlink_generator/7.1.0
[INFO] validating manifest of varlink_generator-7.1.0 on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of varlink_generator-7.1.0 on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing varlink_generator-7.1.0
[INFO] finished frobbing varlink_generator-7.1.0
[INFO] frobbed toml for varlink_generator-7.1.0 written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/varlink_generator/7.1.0/Cargo.toml
[INFO] started frobbing varlink_generator-7.1.0
[INFO] finished frobbing varlink_generator-7.1.0
[INFO] frobbed toml for varlink_generator-7.1.0 written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/varlink_generator/7.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing varlink_generator-7.1.0 against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/varlink_generator/7.1.0:/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=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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] f9396575950d0b664b873856260f54a346753cfc6c2f44c3b1ade5b54add9276
[INFO] running `"docker" "start" "-a" "f9396575950d0b664b873856260f54a346753cfc6c2f44c3b1ade5b54add9276"`
[INFO] [stderr]    Compiling varlink_parser v4.0.2
[INFO] [stderr]    Compiling chainerror v0.4.3
[INFO] [stderr]    Compiling syn v0.15.35
[INFO] [stderr]    Compiling varlink_generator v7.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:777:30
[INFO] [stderr]     |
[INFO] [stderr] 777 | pub fn generate(reader: &mut Read, writer: &mut Write, tosource: bool) -> Result<()> {
[INFO] [stderr]     |                              ^^^^ help: use `dyn`: `dyn Read`
[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/lib.rs:777:49
[INFO] [stderr]     |
[INFO] [stderr] 777 | pub fn generate(reader: &mut Read, writer: &mut Write, tosource: bool) -> Result<()> {
[INFO] [stderr]     |                                                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:791:18
[INFO] [stderr]     |
[INFO] [stderr] 791 |     reader: &mut Read,
[INFO] [stderr]     |                  ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:792:18
[INFO] [stderr]     |
[INFO] [stderr] 792 |     writer: &mut Write,
[INFO] [stderr]     |                  ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:934:26
[INFO] [stderr]     |
[INFO] [stderr] 934 |         let writer: &mut Write = &mut (File::create(&rust_path).unwrap_or_else(|e| {
[INFO] [stderr]     |                          ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:943:26
[INFO] [stderr]     |
[INFO] [stderr] 943 |         let reader: &mut Read = &mut (File::open(input_path).unwrap_or_else(|e| {
[INFO] [stderr]     |                          ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1051:22
[INFO] [stderr]      |
[INFO] [stderr] 1051 |     let writer: &mut Write = &mut (File::create(&rust_path).unwrap_or_else(|e| {
[INFO] [stderr]      |                      ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1060:22
[INFO] [stderr]      |
[INFO] [stderr] 1060 |     let reader: &mut Read = &mut (File::open(input_path).unwrap_or_else(|e| {
[INFO] [stderr]      |                      ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bin/varlink-rust-generator.rs:30:42
[INFO] [stderr]    |
[INFO] [stderr] 30 | fn main() -> std::result::Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::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/bin/varlink-rust-generator.rs:54:25
[INFO] [stderr]    |
[INFO] [stderr] 54 |     let mut reader: Box<Read> = match matches.free.len() {
[INFO] [stderr]    |                         ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bin/varlink-rust-generator.rs:67:22
[INFO] [stderr]    |
[INFO] [stderr] 67 |     let writer: &mut Write = &mut io::stdout();
[INFO] [stderr]    |                      ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.77s
[INFO] running `"docker" "inspect" "f9396575950d0b664b873856260f54a346753cfc6c2f44c3b1ade5b54add9276"`
[INFO] running `"docker" "rm" "-f" "f9396575950d0b664b873856260f54a346753cfc6c2f44c3b1ade5b54add9276"`
[INFO] [stdout] f9396575950d0b664b873856260f54a346753cfc6c2f44c3b1ade5b54add9276
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/varlink_generator/7.1.0:/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=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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 1b2541094c5d56ba1bd5f8344d1e54da2eb92fd5a700dfd3eaab8eb50cbe9b0b
[INFO] running `"docker" "start" "-a" "1b2541094c5d56ba1bd5f8344d1e54da2eb92fd5a700dfd3eaab8eb50cbe9b0b"`
[INFO] [stderr]    Compiling varlink_generator v7.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bin/varlink-rust-generator.rs:30:42
[INFO] [stderr]    |
[INFO] [stderr] 30 | fn main() -> std::result::Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::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/bin/varlink-rust-generator.rs:54:25
[INFO] [stderr]    |
[INFO] [stderr] 54 |     let mut reader: Box<Read> = match matches.free.len() {
[INFO] [stderr]    |                         ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bin/varlink-rust-generator.rs:67:22
[INFO] [stderr]    |
[INFO] [stderr] 67 |     let writer: &mut Write = &mut io::stdout();
[INFO] [stderr]    |                      ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:777:30
[INFO] [stderr]     |
[INFO] [stderr] 777 | pub fn generate(reader: &mut Read, writer: &mut Write, tosource: bool) -> Result<()> {
[INFO] [stderr]     |                              ^^^^ help: use `dyn`: `dyn Read`
[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/lib.rs:777:49
[INFO] [stderr]     |
[INFO] [stderr] 777 | pub fn generate(reader: &mut Read, writer: &mut Write, tosource: bool) -> Result<()> {
[INFO] [stderr]     |                                                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:791:18
[INFO] [stderr]     |
[INFO] [stderr] 791 |     reader: &mut Read,
[INFO] [stderr]     |                  ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:792:18
[INFO] [stderr]     |
[INFO] [stderr] 792 |     writer: &mut Write,
[INFO] [stderr]     |                  ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:934:26
[INFO] [stderr]     |
[INFO] [stderr] 934 |         let writer: &mut Write = &mut (File::create(&rust_path).unwrap_or_else(|e| {
[INFO] [stderr]     |                          ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:943:26
[INFO] [stderr]     |
[INFO] [stderr] 943 |         let reader: &mut Read = &mut (File::open(input_path).unwrap_or_else(|e| {
[INFO] [stderr]     |                          ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1051:22
[INFO] [stderr]      |
[INFO] [stderr] 1051 |     let writer: &mut Write = &mut (File::create(&rust_path).unwrap_or_else(|e| {
[INFO] [stderr]      |                      ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1060:22
[INFO] [stderr]      |
[INFO] [stderr] 1060 |     let reader: &mut Read = &mut (File::open(input_path).unwrap_or_else(|e| {
[INFO] [stderr]      |                      ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.74s
[INFO] running `"docker" "inspect" "1b2541094c5d56ba1bd5f8344d1e54da2eb92fd5a700dfd3eaab8eb50cbe9b0b"`
[INFO] running `"docker" "rm" "-f" "1b2541094c5d56ba1bd5f8344d1e54da2eb92fd5a700dfd3eaab8eb50cbe9b0b"`
[INFO] [stdout] 1b2541094c5d56ba1bd5f8344d1e54da2eb92fd5a700dfd3eaab8eb50cbe9b0b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/varlink_generator/7.1.0:/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=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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"`
[INFO] [stdout] 66a19ce0a280e7a7a4d8257a70afd7b7234fa7b16b790fcbd7394ec2c4af26a1
[INFO] running `"docker" "start" "-a" "66a19ce0a280e7a7a4d8257a70afd7b7234fa7b16b790fcbd7394ec2c4af26a1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/varlink_generator-db7f97298d81067d
[INFO] [stderr]      Running /opt/crater/target/debug/deps/varlink_rust_generator-8bc7fa63707d5567
[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] [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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running /opt/crater/target/debug/deps/generator-0cd5722c2ef26b3c
[INFO] [stdout] test test_generate ... 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 varlink_generator
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs -  (line 18) ... ignored
[INFO] [stdout] test src/lib.rs - cargo_build_options (line 879) ... ok
[INFO] [stdout] test src/lib.rs - cargo_build (line 820) ... ok
[INFO] [stdout] test src/lib.rs - cargo_build_many (line 846) ... ok
[INFO] [stdout] test src/lib.rs - cargo_build_tosource (line 984) ... ok
[INFO] [stdout] test src/lib.rs - cargo_build_options_many (line 905) ... ok
[INFO] [stdout] test src/lib.rs - cargo_build_tosource_options (line 1019) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "66a19ce0a280e7a7a4d8257a70afd7b7234fa7b16b790fcbd7394ec2c4af26a1"`
[INFO] running `"docker" "rm" "-f" "66a19ce0a280e7a7a4d8257a70afd7b7234fa7b16b790fcbd7394ec2c4af26a1"`
[INFO] [stdout] 66a19ce0a280e7a7a4d8257a70afd7b7234fa7b16b790fcbd7394ec2c4af26a1