[INFO] crate mozrunner 0.9.0 is already in cache
[INFO] extracting crate mozrunner 0.9.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/mozrunner/0.9.0
[INFO] extracting crate mozrunner 0.9.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mozrunner/0.9.0
[INFO] validating manifest of mozrunner-0.9.0 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 mozrunner-0.9.0 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 mozrunner-0.9.0
[INFO] finished frobbing mozrunner-0.9.0
[INFO] frobbed toml for mozrunner-0.9.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/mozrunner/0.9.0/Cargo.toml
[INFO] started frobbing mozrunner-0.9.0
[INFO] finished frobbing mozrunner-0.9.0
[INFO] frobbed toml for mozrunner-0.9.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mozrunner/0.9.0/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 mozrunner-0.9.0 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/mozrunner/0.9.0:/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] 3718450a437273765ec4004c7f73f2a6aba1351e4c574540977d8986c136f1e6
[INFO] running `"docker" "start" "-a" "3718450a437273765ec4004c7f73f2a6aba1351e4c574540977d8986c136f1e6"`
[INFO] [stderr]    Compiling mozprofile v0.5.0
[INFO] [stderr]    Compiling mozrunner v0.9.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/runner.rs:109:32
[INFO] [stderr]     |
[INFO] [stderr] 109 |     fn cause(&self) -> Option<&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/runner.rs:111:49
[INFO] [stderr]     |
[INFO] [stderr] 111 |             RunnerError::Io(ref err) => err as &Error,
[INFO] [stderr]     |                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/runner.rs:112:57
[INFO] [stderr]     |
[INFO] [stderr] 112 |             RunnerError::PrefReader(ref err) => err as &Error,
[INFO] [stderr]     |                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bin/firefox-default-path.rs:11:25
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let mut writer: Box<Write> = match code {
[INFO] [stderr]    |                         ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.74s
[INFO] running `"docker" "inspect" "3718450a437273765ec4004c7f73f2a6aba1351e4c574540977d8986c136f1e6"`
[INFO] running `"docker" "rm" "-f" "3718450a437273765ec4004c7f73f2a6aba1351e4c574540977d8986c136f1e6"`
[INFO] [stdout] 3718450a437273765ec4004c7f73f2a6aba1351e4c574540977d8986c136f1e6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/mozrunner/0.9.0:/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] 1d9291846efc0f0eb7f153b9e982750faa5104029ce7ddfb3b83781185764f76
[INFO] running `"docker" "start" "-a" "1d9291846efc0f0eb7f153b9e982750faa5104029ce7ddfb3b83781185764f76"`
[INFO] [stderr]    Compiling mozrunner v0.9.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bin/firefox-default-path.rs:11:25
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let mut writer: Box<Write> = match code {
[INFO] [stderr]    |                         ^^^^^ help: use `dyn`: `dyn Write`
[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/runner.rs:109:32
[INFO] [stderr]     |
[INFO] [stderr] 109 |     fn cause(&self) -> Option<&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/runner.rs:111:49
[INFO] [stderr]     |
[INFO] [stderr] 111 |             RunnerError::Io(ref err) => err as &Error,
[INFO] [stderr]     |                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/runner.rs:112:57
[INFO] [stderr]     |
[INFO] [stderr] 112 |             RunnerError::PrefReader(ref err) => err as &Error,
[INFO] [stderr]     |                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `"docker" "inspect" "1d9291846efc0f0eb7f153b9e982750faa5104029ce7ddfb3b83781185764f76"`
[INFO] running `"docker" "rm" "-f" "1d9291846efc0f0eb7f153b9e982750faa5104029ce7ddfb3b83781185764f76"`
[INFO] [stdout] 1d9291846efc0f0eb7f153b9e982750faa5104029ce7ddfb3b83781185764f76
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/mozrunner/0.9.0:/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] 5c5944b74e82ecd7002fc14184403c889c3152d7878b8054a9c836b7a68c9251
[INFO] running `"docker" "start" "-a" "5c5944b74e82ecd7002fc14184403c889c3152d7878b8054a9c836b7a68c9251"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mozrunner-42ebf0c737c75f60
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test firefox_args::tests::test_parse_arg_name_non_windows ... ok
[INFO] [stdout] test firefox_args::tests::test_arg_from_osstring ... ok
[INFO] [stdout] test firefox_args::tests::test_parse_arg_name ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/firefox_default_path-de9d9f64d16a5cc4
[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]    Doc-tests mozrunner
[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" "5c5944b74e82ecd7002fc14184403c889c3152d7878b8054a9c836b7a68c9251"`
[INFO] running `"docker" "rm" "-f" "5c5944b74e82ecd7002fc14184403c889c3152d7878b8054a9c836b7a68c9251"`
[INFO] [stdout] 5c5944b74e82ecd7002fc14184403c889c3152d7878b8054a9c836b7a68c9251