[INFO] crate slog-extra 0.1.2 is already in cache
[INFO] extracting crate slog-extra 0.1.2 into work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/slog-extra/0.1.2
[INFO] extracting crate slog-extra 0.1.2 into work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/slog-extra/0.1.2
[INFO] validating manifest of slog-extra-0.1.2 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 slog-extra-0.1.2 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 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/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/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/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/slog-extra/0.1.2/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking slog-extra-0.1.2 against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-4/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/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=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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 9d5ffd8d78e91fc30e3f280f41230ade33689164c09a5b4bdff113637de525e2
[INFO] running `"docker" "start" "-a" "9d5ffd8d78e91fc30e3f280f41230ade33689164c09a5b4bdff113637de525e2"`
[INFO] [stderr]     Checking 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] 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 0.63s
[INFO] running `"docker" "inspect" "9d5ffd8d78e91fc30e3f280f41230ade33689164c09a5b4bdff113637de525e2"`
[INFO] running `"docker" "rm" "-f" "9d5ffd8d78e91fc30e3f280f41230ade33689164c09a5b4bdff113637de525e2"`
[INFO] [stdout] 9d5ffd8d78e91fc30e3f280f41230ade33689164c09a5b4bdff113637de525e2