[INFO] crate slog-extra 0.1.2 is already in cache
[INFO] extracting crate slog-extra 0.1.2 into work/ex/beta-1.37-6/sources/1.36.0/reg/slog-extra/0.1.2
[INFO] extracting crate slog-extra 0.1.2 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/slog-extra/0.1.2
[INFO] validating manifest of slog-extra-0.1.2 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 slog-extra-0.1.2 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 slog-extra-0.1.2
[INFO] finished frobbing slog-extra-0.1.2
[INFO] frobbed toml for slog-extra-0.1.2 written to work/ex/beta-1.37-6/sources/1.36.0/reg/slog-extra/0.1.2/Cargo.toml
[INFO] started frobbing slog-extra-0.1.2
[INFO] finished frobbing slog-extra-0.1.2
[INFO] frobbed toml for slog-extra-0.1.2 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/slog-extra/0.1.2/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] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing slog-extra-0.1.2 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-6/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/slog-extra/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] f88d61a514f6d8eae5cc0e69133d34b01d7821222dd31e77f695c112a9190f99
[INFO] running `"docker" "start" "-a" "f88d61a514f6d8eae5cc0e69133d34b01d7821222dd31e77f695c112a9190f99"`
[INFO] [stderr]    Compiling slog-extra v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> lib.rs:54:62
[INFO] [stderr]    |
[INFO] [stderr] 54 |                                 .map(|&(k, ref v)| (k, v as &Serialize))
[INFO] [stderr]    |                                                              ^^^^^^^^^ help: use `dyn`: `dyn Serialize`
[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]   --> lib.rs:94:44
[INFO] [stderr]    |
[INFO] [stderr] 94 | type RecordValues = Vec<(&'static str, Box<Serialize + Send>)>;
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Serialize + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> lib.rs:222:43
[INFO] [stderr]     |
[INFO] [stderr] 222 |     record_values: Vec<(&'static str, Box<Serialize + Send>)>,
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Serialize + Send`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `"docker" "inspect" "f88d61a514f6d8eae5cc0e69133d34b01d7821222dd31e77f695c112a9190f99"`
[INFO] running `"docker" "rm" "-f" "f88d61a514f6d8eae5cc0e69133d34b01d7821222dd31e77f695c112a9190f99"`
[INFO] [stdout] f88d61a514f6d8eae5cc0e69133d34b01d7821222dd31e77f695c112a9190f99
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/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/slog-extra/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 30639ef89f306d81169ec455b4e45412353bc6006a0161371b1cecca7185be75
[INFO] running `"docker" "start" "-a" "30639ef89f306d81169ec455b4e45412353bc6006a0161371b1cecca7185be75"`
[INFO] [stderr]    Compiling slog-extra v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> lib.rs:54:62
[INFO] [stderr]    |
[INFO] [stderr] 54 |                                 .map(|&(k, ref v)| (k, v as &Serialize))
[INFO] [stderr]    |                                                              ^^^^^^^^^ help: use `dyn`: `dyn Serialize`
[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]   --> lib.rs:94:44
[INFO] [stderr]    |
[INFO] [stderr] 94 | type RecordValues = Vec<(&'static str, Box<Serialize + Send>)>;
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Serialize + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> lib.rs:222:43
[INFO] [stderr]     |
[INFO] [stderr] 222 |     record_values: Vec<(&'static str, Box<Serialize + Send>)>,
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Serialize + Send`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `"docker" "inspect" "30639ef89f306d81169ec455b4e45412353bc6006a0161371b1cecca7185be75"`
[INFO] running `"docker" "rm" "-f" "30639ef89f306d81169ec455b4e45412353bc6006a0161371b1cecca7185be75"`
[INFO] [stdout] 30639ef89f306d81169ec455b4e45412353bc6006a0161371b1cecca7185be75
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/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/slog-extra/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] b53d7a122bb6ca695631fdcff0b96d42a1723cb26fc04855d10658b158744975
[INFO] running `"docker" "start" "-a" "b53d7a122bb6ca695631fdcff0b96d42a1723cb26fc04855d10658b158744975"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/slog_extra-c81dd221c53fb0ad
[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 slog-extra
[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" "b53d7a122bb6ca695631fdcff0b96d42a1723cb26fc04855d10658b158744975"`
[INFO] running `"docker" "rm" "-f" "b53d7a122bb6ca695631fdcff0b96d42a1723cb26fc04855d10658b158744975"`
[INFO] [stdout] b53d7a122bb6ca695631fdcff0b96d42a1723cb26fc04855d10658b158744975