[INFO] fetching crate rocket_json 0.1.4...
[INFO] testing rocket_json-0.1.4 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate rocket_json 0.1.4 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate rocket_json 0.1.4
[INFO] finished tweaking crates.io crate rocket_json 0.1.4
[INFO] tweaked toml for crates.io crate rocket_json 0.1.4 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rocket_json 0.1.4 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 137 packages to latest compatible versions
[INFO] [stderr]       Adding rocket v0.4.11 (available: v0.5.1)
[INFO] [stderr]       Adding subtle v2.4.1 (available: v2.6.1)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 457b32b9f48ef082f66086381ee7a632aa82b0a5e2dd436dd6f6521c487addea
[INFO] running `Command { std: "docker" "start" "-a" "457b32b9f48ef082f66086381ee7a632aa82b0a5e2dd436dd6f6521c487addea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "457b32b9f48ef082f66086381ee7a632aa82b0a5e2dd436dd6f6521c487addea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "457b32b9f48ef082f66086381ee7a632aa82b0a5e2dd436dd6f6521c487addea", kill_on_drop: false }`
[INFO] [stdout] 457b32b9f48ef082f66086381ee7a632aa82b0a5e2dd436dd6f6521c487addea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b4f6a83404da7c2ed57ab64d11e918877ca658b2eb4ce6abc8f2bc3b87e8185
[INFO] running `Command { std: "docker" "start" "-a" "6b4f6a83404da7c2ed57ab64d11e918877ca658b2eb4ce6abc8f2bc3b87e8185", kill_on_drop: false }`
[INFO] [stderr]    Compiling generic-array v0.14.9
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling yansi v0.5.1
[INFO] [stderr]    Compiling opaque-debug v0.3.1
[INFO] [stderr]    Compiling cpuid-bool v0.2.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.18
[INFO] [stderr]    Compiling unicode-normalization v0.1.25
[INFO] [stderr]    Compiling matches v0.1.10
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling devise_core v0.2.1
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling traitobject v0.1.1
[INFO] [stderr]    Compiling base64 v0.13.1
[INFO] [stderr]    Compiling net2 v0.2.39
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/devise_core-0.2.1/src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(concat_idents)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in 1.90.0; see <https://github.com/rust-lang/rust/pull/142704> for more information
[INFO] [stdout]   = note: use the `${concat(..)}` metavariable expression instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling state v0.4.2
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stdout] error: cannot find macro `concat_idents` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/devise_core-0.2.1/src/generator.rs:29:39
[INFO] [stdout]     |
[INFO] [stdout]  29 |               $(self.$vec.push(Box::new(concat_idents!(default_, $get_f)));)*
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 193 | /     mappers! {
[INFO] [stdout] 194 | |         (map_struct, try_map_struct, struct_mapper): Struct, struct_mappers,
[INFO] [stdout] 195 | |         (map_enum, try_map_enum, enum_mapper): Enum, enum_mappers,
[INFO] [stdout] 196 | |         (map_variant, try_map_variant, variant_mapper): Variant, variant_mappers,
[INFO] [stdout] 197 | |         (map_fields, try_map_fields, fields_mapper): Fields, fields_mappers,
[INFO] [stdout] 198 | |         (map_field, try_map_field, field_mapper): Field, field_mappers
[INFO] [stdout] 199 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `mappers` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling pear_codegen v0.1.5
[INFO] [stderr]    Compiling rocket_codegen v0.4.11
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rocket v0.4.11
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling inotify v0.7.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling filetime v0.2.26
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `devise_core` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "6b4f6a83404da7c2ed57ab64d11e918877ca658b2eb4ce6abc8f2bc3b87e8185", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b4f6a83404da7c2ed57ab64d11e918877ca658b2eb4ce6abc8f2bc3b87e8185", kill_on_drop: false }`
[INFO] [stdout] 6b4f6a83404da7c2ed57ab64d11e918877ca658b2eb4ce6abc8f2bc3b87e8185
