[INFO] crate libmultilog 0.1.0 is already in cache
[INFO] extracting crate libmultilog 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/libmultilog/0.1.0
[INFO] extracting crate libmultilog 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/libmultilog/0.1.0
[INFO] validating manifest of libmultilog-0.1.0 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 libmultilog-0.1.0 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 libmultilog-0.1.0
[INFO] finished frobbing libmultilog-0.1.0
[INFO] frobbed toml for libmultilog-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/reg/libmultilog/0.1.0/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 libmultilog-0.1.0 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-3/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/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 9846e39fec8afadf5e6e0ac350fcafeb72ae09a5d5418cb6ff2d87aa25f95f6f
[INFO] running `"docker" "start" "-a" "9846e39fec8afadf5e6e0ac350fcafeb72ae09a5d5418cb6ff2d87aa25f95f6f"`
[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 0.95s
[INFO] running `"docker" "inspect" "9846e39fec8afadf5e6e0ac350fcafeb72ae09a5d5418cb6ff2d87aa25f95f6f"`
[INFO] running `"docker" "rm" "-f" "9846e39fec8afadf5e6e0ac350fcafeb72ae09a5d5418cb6ff2d87aa25f95f6f"`
[INFO] [stdout] 9846e39fec8afadf5e6e0ac350fcafeb72ae09a5d5418cb6ff2d87aa25f95f6f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] ee4a2cef38aa48a7616a4d65c7dcf0cca2051e6b374086173c590477036d563b
[INFO] running `"docker" "start" "-a" "ee4a2cef38aa48a7616a4d65c7dcf0cca2051e6b374086173c590477036d563b"`
[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 1.30s
[INFO] running `"docker" "inspect" "ee4a2cef38aa48a7616a4d65c7dcf0cca2051e6b374086173c590477036d563b"`
[INFO] running `"docker" "rm" "-f" "ee4a2cef38aa48a7616a4d65c7dcf0cca2051e6b374086173c590477036d563b"`
[INFO] [stdout] ee4a2cef38aa48a7616a4d65c7dcf0cca2051e6b374086173c590477036d563b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 714c0e211d916bfa416958b75d421ad1046f614978e8a7c6e7eafed394e9ade5
[INFO] running `"docker" "start" "-a" "714c0e211d916bfa416958b75d421ad1046f614978e8a7c6e7eafed394e9ade5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/libmultilog-d90a032062730d89
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test multi::test::test_file_bitflag ... ok
[INFO] [stdout] test multi::test::test_stdout_bitflag ... ok
[INFO] [stdout] test multi::test::test_loggers_bitflags ... 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-a625f6ed2bcae7db
[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" "714c0e211d916bfa416958b75d421ad1046f614978e8a7c6e7eafed394e9ade5"`
[INFO] running `"docker" "rm" "-f" "714c0e211d916bfa416958b75d421ad1046f614978e8a7c6e7eafed394e9ade5"`
[INFO] [stdout] 714c0e211d916bfa416958b75d421ad1046f614978e8a7c6e7eafed394e9ade5