[INFO] crate libmultilog 0.1.0 is already in cache
[INFO] extracting crate libmultilog 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/libmultilog/0.1.0
[INFO] extracting crate libmultilog 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/libmultilog/0.1.0
[INFO] validating manifest of libmultilog-0.1.0 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of libmultilog-0.1.0 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing libmultilog-0.1.0
[INFO] finished frobbing libmultilog-0.1.0
[INFO] frobbed toml for libmultilog-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/libmultilog/0.1.0/Cargo.toml
[INFO] started frobbing libmultilog-0.1.0
[INFO] finished frobbing libmultilog-0.1.0
[INFO] frobbed toml for libmultilog-0.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/libmultilog/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing libmultilog-0.1.0 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/libmultilog/0.1.0:/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=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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 16a14eab30648c0cddfd8a6b10f7502f80eee193cf970705e558eacd4ff2e352
[INFO] running `"docker" "start" "-a" "16a14eab30648c0cddfd8a6b10f7502f80eee193cf970705e558eacd4ff2e352"`
[INFO] [stderr]    Compiling blastfig v0.3.3
[INFO] [stderr]    Compiling libmultilog v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Log`
[INFO] [stderr]  --> src/multi.rs:3:17
[INFO] [stderr]   |
[INFO] [stderr] 3 | use log::{self, Log, LogLevel, LogLevelFilter, LogMetadata, LogRecord, SetLoggerError};
[INFO] [stderr]   |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::prelude`
[INFO] [stderr]  --> src/file.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `"docker" "inspect" "16a14eab30648c0cddfd8a6b10f7502f80eee193cf970705e558eacd4ff2e352"`
[INFO] running `"docker" "rm" "-f" "16a14eab30648c0cddfd8a6b10f7502f80eee193cf970705e558eacd4ff2e352"`
[INFO] [stdout] 16a14eab30648c0cddfd8a6b10f7502f80eee193cf970705e558eacd4ff2e352
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/libmultilog/0.1.0:/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=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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 7cb7527ade283c1f1cc4df3ef604b6ef0514c6fbdfa48f7782d83db8ba2bf7df
[INFO] running `"docker" "start" "-a" "7cb7527ade283c1f1cc4df3ef604b6ef0514c6fbdfa48f7782d83db8ba2bf7df"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libmultilog v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Log`
[INFO] [stderr]  --> src/multi.rs:3:17
[INFO] [stderr]   |
[INFO] [stderr] 3 | use log::{self, Log, LogLevel, LogLevelFilter, LogMetadata, LogRecord, SetLoggerError};
[INFO] [stderr]   |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::prelude`
[INFO] [stderr]  --> src/file.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `"docker" "inspect" "7cb7527ade283c1f1cc4df3ef604b6ef0514c6fbdfa48f7782d83db8ba2bf7df"`
[INFO] running `"docker" "rm" "-f" "7cb7527ade283c1f1cc4df3ef604b6ef0514c6fbdfa48f7782d83db8ba2bf7df"`
[INFO] [stdout] 7cb7527ade283c1f1cc4df3ef604b6ef0514c6fbdfa48f7782d83db8ba2bf7df
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/libmultilog/0.1.0:/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=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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 4fc92304778ad407718a105b129131ae85a7503593e6d8f427081527aeb9221a
[INFO] running `"docker" "start" "-a" "4fc92304778ad407718a105b129131ae85a7503593e6d8f427081527aeb9221a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/libmultilog-50d15e0cc403ee18
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test multi::test::test_stdout_bitflag ... ok
[INFO] [stdout] test multi::test::test_loggers_bitflags ... ok
[INFO] [stdout] test multi::test::test_file_bitflag ... ok
[INFO] [stdout] test test::test_version ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/lib-6bbbab62e6cdfe5e
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_chained_loggers ... 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 libmultilog
[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" "4fc92304778ad407718a105b129131ae85a7503593e6d8f427081527aeb9221a"`
[INFO] running `"docker" "rm" "-f" "4fc92304778ad407718a105b129131ae85a7503593e6d8f427081527aeb9221a"`
[INFO] [stdout] 4fc92304778ad407718a105b129131ae85a7503593e6d8f427081527aeb9221a