[INFO] cloning repository https://github.com/llamicron/lab_grader
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/llamicron/lab_grader" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fllamicron%2Flab_grader", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fllamicron%2Flab_grader'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b6ed054bca8d3f20efc7ed995e23197ee089e6eb
[INFO] checking llamicron/lab_grader/b6ed054bca8d3f20efc7ed995e23197ee089e6eb against master#c9af9c1dc85a55e309345030ff9cb7ea247953fa for pr-151146
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fllamicron%2Flab_grader" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/llamicron/lab_grader
[INFO] finished tweaking git repo https://github.com/llamicron/lab_grader
[INFO] tweaked toml for git repo https://github.com/llamicron/lab_grader written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/llamicron/lab_grader on toolchain c9af9c1dc85a55e309345030ff9cb7ea247953fa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c9af9c1dc85a55e309345030ff9cb7ea247953fa" "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" "+c9af9c1dc85a55e309345030ff9cb7ea247953fa" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 262 packages to latest compatible versions
[INFO] [stderr]       Adding pretty_assertions v0.6.1 (available: v1.4.1)
[INFO] [stderr]       Adding reqwest v0.10.10 (available: v0.13.1)
[INFO] [stderr]       Adding rocket v0.4.11 (available: v0.5.1)
[INFO] [stderr]       Adding serde_yaml v0.8.26 (available: v0.9.34+deprecated)
[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" "+c9af9c1dc85a55e309345030ff9cb7ea247953fa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pear_codegen v0.1.5
[INFO] [stderr]   Downloaded devise v0.2.1
[INFO] [stderr]   Downloaded cookie v0.11.5
[INFO] [stderr]   Downloaded rocket_contrib v0.4.11
[INFO] [stderr]   Downloaded traitobject v0.1.1
[INFO] [stderr]   Downloaded pear v0.1.5
[INFO] [stderr]   Downloaded devise_codegen v0.2.1
[INFO] [stderr]   Downloaded devise_core v0.2.1
[INFO] [stderr]   Downloaded rocket_codegen v0.4.11
[INFO] [stderr]   Downloaded paris v1.5.15
[INFO] [stderr]   Downloaded notify v4.0.18
[INFO] [stderr]   Downloaded rocket_http v0.4.11
[INFO] [stderr]   Downloaded rocket v0.4.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+c9af9c1dc85a55e309345030ff9cb7ea247953fa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5b25b79a5361886f44b4f7c28cfa928e98d092995aa927a9f36bcf69062c595
[INFO] running `Command { std: "docker" "start" "-a" "b5b25b79a5361886f44b4f7c28cfa928e98d092995aa927a9f36bcf69062c595", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5b25b79a5361886f44b4f7c28cfa928e98d092995aa927a9f36bcf69062c595", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5b25b79a5361886f44b4f7c28cfa928e98d092995aa927a9f36bcf69062c595", kill_on_drop: false }`
[INFO] [stdout] b5b25b79a5361886f44b4f7c28cfa928e98d092995aa927a9f36bcf69062c595
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+c9af9c1dc85a55e309345030ff9cb7ea247953fa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2f31da6fcd2d02c8cf954b24d773628f8b8dcd4c8d8fd61d74b9120eb853a9c
[INFO] running `Command { std: "docker" "start" "-a" "a2f31da6fcd2d02c8cf954b24d773628f8b8dcd4c8d8fd61d74b9120eb853a9c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.44
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[INFO] [stderr]    Compiling proc-macro2 v0.4.30
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[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling opaque-debug v0.3.1
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling find-msvc-tools v0.1.8
[INFO] [stderr]    Compiling tinyvec v1.10.0
[INFO] [stderr]     Checking smallvec v1.15.1
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[INFO] [stderr]    Compiling cc v1.2.54
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[INFO] [stderr]    Compiling num-traits v0.2.19
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[INFO] [stderr]    Compiling mime_guess v2.0.5
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[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]     Checking serde_json v1.0.149
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking filetime v0.2.27
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking encoding_rs v0.8.35
[INFO] [stderr]     Checking notify v4.0.18
[INFO] [stderr]     Checking paris v1.5.15
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]    Compiling cookie v0.11.5
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]    Compiling devise_core v0.2.1
[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] [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] [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" "a2f31da6fcd2d02c8cf954b24d773628f8b8dcd4c8d8fd61d74b9120eb853a9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2f31da6fcd2d02c8cf954b24d773628f8b8dcd4c8d8fd61d74b9120eb853a9c", kill_on_drop: false }`
[INFO] [stdout] a2f31da6fcd2d02c8cf954b24d773628f8b8dcd4c8d8fd61d74b9120eb853a9c
