[INFO] crate monster 0.1.28 is already in cache
[INFO] extracting crate monster 0.1.28 into work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/reg/monster/0.1.28
[INFO] extracting crate monster 0.1.28 into work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/monster/0.1.28
[INFO] validating manifest of monster-0.1.28 on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of monster-0.1.28 on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing monster-0.1.28
[INFO] finished frobbing monster-0.1.28
[INFO] frobbed toml for monster-0.1.28 written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/reg/monster/0.1.28/Cargo.toml
[INFO] started frobbing monster-0.1.28
[INFO] finished frobbing monster-0.1.28
[INFO] frobbed toml for monster-0.1.28 written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/monster/0.1.28/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking monster-0.1.28 against try#d3301713b54af69ca9de941a8c6b0d8287dbd6df for pr-61874
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-4/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/monster/0.1.28:/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" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4f7243cc8c8a71c09971c0c56a96eb27a83620382f0c03411a07d3506140c4e1
[INFO] running `"docker" "start" "-a" "4f7243cc8c8a71c09971c0c56a96eb27a83620382f0c03411a07d3506140c4e1"`
[INFO] [stderr]     Checking monster v0.1.28 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/incubation/fmt/mod.rs:30:35
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub fn format(fmt: &str, args: &[&Display]) -> Result<String> {
[INFO] [stderr]    |                                   ^^^^^^^ help: use `dyn`: `dyn Display`
[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/incubation/fmt/mod.rs:39:67
[INFO] [stderr]    |
[INFO] [stderr] 39 | pub fn write_format<W: Write>(buffer: &mut W, fmt: &str, args: &[&Display]) -> Result<()> {
[INFO] [stderr]    |                                                                   ^^^^^^^ help: use `dyn`: `dyn Display`
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/incubation/fmt/mod.rs:71:22
[INFO] [stderr]    |
[INFO] [stderr] 71 |                 _ => return return Err(Error::UnexpectedRightBrace) // No standalone right brace allowed
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/incubation/fmt/mod.rs:30:35
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub fn format(fmt: &str, args: &[&Display]) -> Result<String> {
[INFO] [stderr]    |                                   ^^^^^^^ help: use `dyn`: `dyn Display`
[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/incubation/fmt/mod.rs:39:67
[INFO] [stderr]    |
[INFO] [stderr] 39 | pub fn write_format<W: Write>(buffer: &mut W, fmt: &str, args: &[&Display]) -> Result<()> {
[INFO] [stderr]    |                                                                   ^^^^^^^ help: use `dyn`: `dyn Display`
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/incubation/fmt/mod.rs:71:22
[INFO] [stderr]    |
[INFO] [stderr] 71 |                 _ => return return Err(Error::UnexpectedRightBrace) // No standalone right brace allowed
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `"docker" "inspect" "4f7243cc8c8a71c09971c0c56a96eb27a83620382f0c03411a07d3506140c4e1"`
[INFO] running `"docker" "rm" "-f" "4f7243cc8c8a71c09971c0c56a96eb27a83620382f0c03411a07d3506140c4e1"`
[INFO] [stdout] 4f7243cc8c8a71c09971c0c56a96eb27a83620382f0c03411a07d3506140c4e1