[INFO] crate multi_log 0.1.2 is already in cache
[INFO] extracting crate multi_log 0.1.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/multi_log/0.1.2
[INFO] extracting crate multi_log 0.1.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/multi_log/0.1.2
[INFO] validating manifest of multi_log-0.1.2 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 multi_log-0.1.2 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 multi_log-0.1.2
[INFO] finished frobbing multi_log-0.1.2
[INFO] frobbed toml for multi_log-0.1.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/multi_log/0.1.2/Cargo.toml
[INFO] started frobbing multi_log-0.1.2
[INFO] finished frobbing multi_log-0.1.2
[INFO] frobbed toml for multi_log-0.1.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/multi_log/0.1.2/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 multi_log-0.1.2 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/multi_log/0.1.2:/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] 05037f9bad5de463f7eac790a1902e50ae97b8599202eb0a63e92b93aea58629
[INFO] running `"docker" "start" "-a" "05037f9bad5de463f7eac790a1902e50ae97b8599202eb0a63e92b93aea58629"`
[INFO] [stderr]    Compiling multi_log v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:25:22
[INFO] [stderr]    |
[INFO] [stderr] 25 |     loggers: Vec<Box<log::Log>>,
[INFO] [stderr]    |                      ^^^^^^^^ help: use `dyn`: `dyn log::Log`
[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:34:33
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub fn new(loggers: Vec<Box<log::Log>>) -> Self {
[INFO] [stderr]    |                                 ^^^^^^^^ help: use `dyn`: `dyn log::Log`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:48:34
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub fn init(loggers: Vec<Box<log::Log>>, level: log::Level) -> Result<(), log::SetLoggerError> {
[INFO] [stderr]    |                                  ^^^^^^^^ help: use `dyn`: `dyn log::Log`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `"docker" "inspect" "05037f9bad5de463f7eac790a1902e50ae97b8599202eb0a63e92b93aea58629"`
[INFO] running `"docker" "rm" "-f" "05037f9bad5de463f7eac790a1902e50ae97b8599202eb0a63e92b93aea58629"`
[INFO] [stdout] 05037f9bad5de463f7eac790a1902e50ae97b8599202eb0a63e92b93aea58629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/multi_log/0.1.2:/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] 8303fc0a029faffd59d44c5679435f3a8f80f530005b2584fb266d7b066e2c7a
[INFO] running `"docker" "start" "-a" "8303fc0a029faffd59d44c5679435f3a8f80f530005b2584fb266d7b066e2c7a"`
[INFO] [stderr]    Compiling multi_log v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:25:22
[INFO] [stderr]    |
[INFO] [stderr] 25 |     loggers: Vec<Box<log::Log>>,
[INFO] [stderr]    |                      ^^^^^^^^ help: use `dyn`: `dyn log::Log`
[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:34:33
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub fn new(loggers: Vec<Box<log::Log>>) -> Self {
[INFO] [stderr]    |                                 ^^^^^^^^ help: use `dyn`: `dyn log::Log`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:48:34
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub fn init(loggers: Vec<Box<log::Log>>, level: log::Level) -> Result<(), log::SetLoggerError> {
[INFO] [stderr]    |                                  ^^^^^^^^ help: use `dyn`: `dyn log::Log`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `"docker" "inspect" "8303fc0a029faffd59d44c5679435f3a8f80f530005b2584fb266d7b066e2c7a"`
[INFO] running `"docker" "rm" "-f" "8303fc0a029faffd59d44c5679435f3a8f80f530005b2584fb266d7b066e2c7a"`
[INFO] [stdout] 8303fc0a029faffd59d44c5679435f3a8f80f530005b2584fb266d7b066e2c7a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/multi_log/0.1.2:/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] d789e280cd0f99000cb57b44583de27d55041ff0a6b69f5e7c1f5c22b23bd04a
[INFO] running `"docker" "start" "-a" "d789e280cd0f99000cb57b44583de27d55041ff0a6b69f5e7c1f5c22b23bd04a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/multi_log-ff67efcc23bc6994
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::multiple_vec_loggers ... ok
[INFO] [stderr]    Doc-tests multi_log
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 9) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "d789e280cd0f99000cb57b44583de27d55041ff0a6b69f5e7c1f5c22b23bd04a"`
[INFO] running `"docker" "rm" "-f" "d789e280cd0f99000cb57b44583de27d55041ff0a6b69f5e7c1f5c22b23bd04a"`
[INFO] [stdout] d789e280cd0f99000cb57b44583de27d55041ff0a6b69f5e7c1f5c22b23bd04a