[INFO] crate varlink_generator 8.0.0 is already in cache
[INFO] extracting crate varlink_generator 8.0.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/varlink_generator/8.0.0
[INFO] extracting crate varlink_generator 8.0.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/varlink_generator/8.0.0
[INFO] validating manifest of varlink_generator-8.0.0 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 varlink_generator-8.0.0 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 varlink_generator-8.0.0
[INFO] finished frobbing varlink_generator-8.0.0
[INFO] frobbed toml for varlink_generator-8.0.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/varlink_generator/8.0.0/Cargo.toml
[INFO] started frobbing varlink_generator-8.0.0
[INFO] finished frobbing varlink_generator-8.0.0
[INFO] frobbed toml for varlink_generator-8.0.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/varlink_generator/8.0.0/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 varlink_generator-8.0.0 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/varlink_generator/8.0.0:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 7974c45d9ad9991c3113031b8797e3ff75991f1418bfcf0f5d2e824d852891d6
[INFO] running `"docker" "start" "-a" "7974c45d9ad9991c3113031b8797e3ff75991f1418bfcf0f5d2e824d852891d6"`
[INFO] [stderr]    Compiling varlink_generator v8.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:801:30
[INFO] [stderr]     |
[INFO] [stderr] 801 | 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:801:49
[INFO] [stderr]     |
[INFO] [stderr] 801 | 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:815:18
[INFO] [stderr]     |
[INFO] [stderr] 815 |     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:816:18
[INFO] [stderr]     |
[INFO] [stderr] 816 |     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:958:26
[INFO] [stderr]     |
[INFO] [stderr] 958 |         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:967:26
[INFO] [stderr]     |
[INFO] [stderr] 967 |         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:1080:22
[INFO] [stderr]      |
[INFO] [stderr] 1080 |     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:1089:22
[INFO] [stderr]      |
[INFO] [stderr] 1089 |     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 5.31s
[INFO] running `"docker" "inspect" "7974c45d9ad9991c3113031b8797e3ff75991f1418bfcf0f5d2e824d852891d6"`
[INFO] running `"docker" "rm" "-f" "7974c45d9ad9991c3113031b8797e3ff75991f1418bfcf0f5d2e824d852891d6"`
[INFO] [stdout] 7974c45d9ad9991c3113031b8797e3ff75991f1418bfcf0f5d2e824d852891d6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/varlink_generator/8.0.0:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 0da9cc0e28e46f20768fecee8ea849bcf3c7c9c2aca59a55df1a77ded0ec6fdf
[INFO] running `"docker" "start" "-a" "0da9cc0e28e46f20768fecee8ea849bcf3c7c9c2aca59a55df1a77ded0ec6fdf"`
[INFO] [stderr]    Compiling varlink_generator v8.0.0 (/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:801:30
[INFO] [stderr]     |
[INFO] [stderr] 801 | 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:801:49
[INFO] [stderr]     |
[INFO] [stderr] 801 | 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:815:18
[INFO] [stderr]     |
[INFO] [stderr] 815 |     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:816:18
[INFO] [stderr]     |
[INFO] [stderr] 816 |     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:958:26
[INFO] [stderr]     |
[INFO] [stderr] 958 |         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:967:26
[INFO] [stderr]     |
[INFO] [stderr] 967 |         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:1080:22
[INFO] [stderr]      |
[INFO] [stderr] 1080 |     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:1089:22
[INFO] [stderr]      |
[INFO] [stderr] 1089 |     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 2.93s
[INFO] running `"docker" "inspect" "0da9cc0e28e46f20768fecee8ea849bcf3c7c9c2aca59a55df1a77ded0ec6fdf"`
[INFO] running `"docker" "rm" "-f" "0da9cc0e28e46f20768fecee8ea849bcf3c7c9c2aca59a55df1a77ded0ec6fdf"`
[INFO] [stdout] 0da9cc0e28e46f20768fecee8ea849bcf3c7c9c2aca59a55df1a77ded0ec6fdf
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/varlink_generator/8.0.0:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 1ac8e60228d893500e19453421595404897fd3d1660c55d56e701fb9e76245d6
[INFO] running `"docker" "start" "-a" "1ac8e60228d893500e19453421595404897fd3d1660c55d56e701fb9e76245d6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/varlink_generator-a6f0ffe7cdd2bbd5
[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] [stderr]      Running /opt/crater/target/debug/deps/varlink_rust_generator-7ed90b2261fdf0b2
[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] [stderr]      Running /opt/crater/target/debug/deps/generator-1d08b93c99d66172
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[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_many (line 870) ... ok
[INFO] [stdout] test src/lib.rs - cargo_build_tosource_options (line 1048) ... ok
[INFO] [stdout] test src/lib.rs - cargo_build (line 844) ... ok
[INFO] [stdout] test src/lib.rs - cargo_build_tosource (line 1013) ... ok
[INFO] [stdout] test src/lib.rs - cargo_build_options (line 903) ... ok
[INFO] [stdout] test src/lib.rs - cargo_build_options_many (line 929) ... 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" "1ac8e60228d893500e19453421595404897fd3d1660c55d56e701fb9e76245d6"`
[INFO] running `"docker" "rm" "-f" "1ac8e60228d893500e19453421595404897fd3d1660c55d56e701fb9e76245d6"`
[INFO] [stdout] 1ac8e60228d893500e19453421595404897fd3d1660c55d56e701fb9e76245d6