[INFO] crate fern-journal 0.2.0 is already in cache
[INFO] extracting crate fern-journal 0.2.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/fern-journal/0.2.0
[INFO] extracting crate fern-journal 0.2.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/fern-journal/0.2.0
[INFO] validating manifest of fern-journal-0.2.0 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 fern-journal-0.2.0 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 fern-journal-0.2.0
[INFO] finished frobbing fern-journal-0.2.0
[INFO] frobbed toml for fern-journal-0.2.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/fern-journal/0.2.0/Cargo.toml
[INFO] started frobbing fern-journal-0.2.0
[INFO] finished frobbing fern-journal-0.2.0
[INFO] frobbed toml for fern-journal-0.2.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/fern-journal/0.2.0/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 fern-journal-0.2.0 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/fern-journal/0.2.0:/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] d24d4fb0684d9de5ee7ebc3cb5625efd43a7943aebf2b56f500192717a7a2a93
[INFO] running `"docker" "start" "-a" "d24d4fb0684d9de5ee7ebc3cb5625efd43a7943aebf2b56f500192717a7a2a93"`
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling utf8-cstr v0.1.6
[INFO] [stderr]    Compiling libsystemd-sys v0.1.0
[INFO] [stderr]    Compiling mbox v0.4.4
[INFO] [stderr]    Compiling fern v0.4.4
[INFO] [stderr]    Compiling systemd v0.1.1
[INFO] [stderr]    Compiling fern-journal v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:24:28
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub fn get_logger() -> Box<fern::FernLog> {
[INFO] [stderr]    |                            ^^^^^^^^^^^^^ help: use `dyn`: `dyn fern::FernLog`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.20s
[INFO] running `"docker" "inspect" "d24d4fb0684d9de5ee7ebc3cb5625efd43a7943aebf2b56f500192717a7a2a93"`
[INFO] running `"docker" "rm" "-f" "d24d4fb0684d9de5ee7ebc3cb5625efd43a7943aebf2b56f500192717a7a2a93"`
[INFO] [stdout] d24d4fb0684d9de5ee7ebc3cb5625efd43a7943aebf2b56f500192717a7a2a93
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/fern-journal/0.2.0:/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] c6ebdf0fff27589c8c9d7eb6417d26f741b0a84a9a5a1c7a8897394c79447871
[INFO] running `"docker" "start" "-a" "c6ebdf0fff27589c8c9d7eb6417d26f741b0a84a9a5a1c7a8897394c79447871"`
[INFO] [stderr]    Compiling fern-journal v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:24:28
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub fn get_logger() -> Box<fern::FernLog> {
[INFO] [stderr]    |                            ^^^^^^^^^^^^^ help: use `dyn`: `dyn fern::FernLog`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `"docker" "inspect" "c6ebdf0fff27589c8c9d7eb6417d26f741b0a84a9a5a1c7a8897394c79447871"`
[INFO] running `"docker" "rm" "-f" "c6ebdf0fff27589c8c9d7eb6417d26f741b0a84a9a5a1c7a8897394c79447871"`
[INFO] [stdout] c6ebdf0fff27589c8c9d7eb6417d26f741b0a84a9a5a1c7a8897394c79447871
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/fern-journal/0.2.0:/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] 75115f61a156e4740351c980cac83eab614892d05149b5ee6678caf55a68ef2f
[INFO] running `"docker" "start" "-a" "75115f61a156e4740351c980cac83eab614892d05149b5ee6678caf55a68ef2f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fern_journal-e667cf800d824260
[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 fern-journal
[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" "75115f61a156e4740351c980cac83eab614892d05149b5ee6678caf55a68ef2f"`
[INFO] running `"docker" "rm" "-f" "75115f61a156e4740351c980cac83eab614892d05149b5ee6678caf55a68ef2f"`
[INFO] [stdout] 75115f61a156e4740351c980cac83eab614892d05149b5ee6678caf55a68ef2f