[INFO] crate preftool-dirs 0.2.0 is already in cache
[INFO] extracting crate preftool-dirs 0.2.0 into work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/preftool-dirs/0.2.0
[INFO] extracting crate preftool-dirs 0.2.0 into work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/preftool-dirs/0.2.0
[INFO] validating manifest of preftool-dirs-0.2.0 on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of preftool-dirs-0.2.0 on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing preftool-dirs-0.2.0
[INFO] finished frobbing preftool-dirs-0.2.0
[INFO] frobbed toml for preftool-dirs-0.2.0 written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/preftool-dirs/0.2.0/Cargo.toml
[INFO] started frobbing preftool-dirs-0.2.0
[INFO] finished frobbing preftool-dirs-0.2.0
[INFO] frobbed toml for preftool-dirs-0.2.0 written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/preftool-dirs/0.2.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking preftool-dirs-0.2.0 against master#60960a260f7b5c695fd0717311d72ce62dd4eb43 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-5/master#60960a260f7b5c695fd0717311d72ce62dd4eb43:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/preftool-dirs/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=forbid" "-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" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ae412a16f9da7d89ba11f463c0ceaca6371de23c5ba4898b8483153a98a9747f
[INFO] running `"docker" "start" "-a" "ae412a16f9da7d89ba11f463c0ceaca6371de23c5ba4898b8483153a98a9747f"`
[INFO] [stderr]     Checking preftool-dirs v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:262:60
[INFO] [stderr]     |
[INFO] [stderr] 262 |   fn serialize(&self, rec: &slog::Record, serializer: &mut slog::Serializer) -> slog::Result {
[INFO] [stderr]     |                                                            ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn slog::Serializer`
[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:300:66
[INFO] [stderr]     |
[INFO] [stderr] 300 |     fn serialize(&self, rec: &Record, key: Key, serializer: &mut Serializer) -> Result {
[INFO] [stderr]     |                                                                  ^^^^^^^^^^ help: use `dyn`: `dyn Serializer`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:262:60
[INFO] [stderr]     |
[INFO] [stderr] 262 |   fn serialize(&self, rec: &slog::Record, serializer: &mut slog::Serializer) -> slog::Result {
[INFO] [stderr]     |                                                            ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn slog::Serializer`
[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:300:66
[INFO] [stderr]     |
[INFO] [stderr] 300 |     fn serialize(&self, rec: &Record, key: Key, serializer: &mut Serializer) -> Result {
[INFO] [stderr]     |                                                                  ^^^^^^^^^^ help: use `dyn`: `dyn Serializer`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.69s
[INFO] running `"docker" "inspect" "ae412a16f9da7d89ba11f463c0ceaca6371de23c5ba4898b8483153a98a9747f"`
[INFO] running `"docker" "rm" "-f" "ae412a16f9da7d89ba11f463c0ceaca6371de23c5ba4898b8483153a98a9747f"`
[INFO] [stdout] ae412a16f9da7d89ba11f463c0ceaca6371de23c5ba4898b8483153a98a9747f