[INFO] crate muon-rs 0.1.1 is already in cache
[INFO] extracting crate muon-rs 0.1.1 into work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/muon-rs/0.1.1
[INFO] extracting crate muon-rs 0.1.1 into work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/muon-rs/0.1.1
[INFO] validating manifest of muon-rs-0.1.1 on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of muon-rs-0.1.1 on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing muon-rs-0.1.1
[INFO] finished frobbing muon-rs-0.1.1
[INFO] frobbed toml for muon-rs-0.1.1 written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/muon-rs/0.1.1/Cargo.toml
[INFO] started frobbing muon-rs-0.1.1
[INFO] finished frobbing muon-rs-0.1.1
[INFO] frobbed toml for muon-rs-0.1.1 written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/muon-rs/0.1.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking muon-rs-0.1.1 against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-5/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/muon-rs/0.1.1:/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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 8f86cb7ea68bd3a76e365450d180f0cbefc304d983af711527c2fa7d3244dcc9
[INFO] running `"docker" "start" "-a" "8f86cb7ea68bd3a76e365450d180f0cbefc304d983af711527c2fa7d3244dcc9"`
[INFO] [stderr]     Checking muon-rs v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `muon`
[INFO] [stderr]   --> tests/roundtrip.rs:11:24
[INFO] [stderr]    |
[INFO] [stderr] 11 | fn derived_ser_de() -> muon::Result<()> {
[INFO] [stderr]    |                        ^^^^ use of undeclared type or module `muon`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `muon`
[INFO] [stderr]   --> tests/roundtrip.rs:17:13
[INFO] [stderr]    |
[INFO] [stderr] 17 |     let s = muon::to_string(&a)?;
[INFO] [stderr]    |             ^^^^ use of undeclared type or module `muon`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `muon`
[INFO] [stderr]   --> tests/roundtrip.rs:18:17
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let aa: A = muon::from_str(&s)?;
[INFO] [stderr]    |                 ^^^^ use of undeclared type or module `muon`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `muon`
[INFO] [stderr]   --> tests/roundtrip.rs:24:24
[INFO] [stderr]    |
[INFO] [stderr] 24 | fn derived_de_ser() -> muon::Result<()> {
[INFO] [stderr]    |                        ^^^^ use of undeclared type or module `muon`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `muon`
[INFO] [stderr]   --> tests/roundtrip.rs:26:16
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let a: A = muon::from_str(&s)?;
[INFO] [stderr]    |                ^^^^ use of undeclared type or module `muon`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `muon`
[INFO] [stderr]   --> tests/roundtrip.rs:27:14
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let ss = muon::to_string(&a)?;
[INFO] [stderr]    |              ^^^^ use of undeclared type or module `muon`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `muon`
[INFO] [stderr]   --> tests/roundtrip.rs:43:19
[INFO] [stderr]    |
[INFO] [stderr] 43 | fn dict_list() -> muon::Result<()> {
[INFO] [stderr]    |                   ^^^^ use of undeclared type or module `muon`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `muon`
[INFO] [stderr]   --> tests/roundtrip.rs:45:16
[INFO] [stderr]    |
[INFO] [stderr] 45 |     let b: B = muon::from_str(&s)?;
[INFO] [stderr]    |                ^^^^ use of undeclared type or module `muon`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `muon`
[INFO] [stderr]   --> tests/roundtrip.rs:46:14
[INFO] [stderr]    |
[INFO] [stderr] 46 |     let ss = muon::to_string(&b)?;
[INFO] [stderr]    |              ^^^^ use of undeclared type or module `muon`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 9 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0433`.
[INFO] [stderr] error: Could not compile `muon-rs`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "8f86cb7ea68bd3a76e365450d180f0cbefc304d983af711527c2fa7d3244dcc9"`
[INFO] running `"docker" "rm" "-f" "8f86cb7ea68bd3a76e365450d180f0cbefc304d983af711527c2fa7d3244dcc9"`
[INFO] [stdout] 8f86cb7ea68bd3a76e365450d180f0cbefc304d983af711527c2fa7d3244dcc9