[INFO] fetching crate qr-api 0.1.0...
[INFO] checking qr-api-0.1.0 against master#39cb3386ddc6c71657418be28dbb3987eea4aa4b for pr-133536
[INFO] extracting crate qr-api 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate qr-api 0.1.0 on toolchain 39cb3386ddc6c71657418be28dbb3987eea4aa4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate qr-api 0.1.0
[INFO] finished tweaking crates.io crate qr-api 0.1.0
[INFO] tweaked toml for crates.io crate qr-api 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate qr-api 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e5fa33dd7848eb69a98fd731d1a66dc5a24678d1590f235ce601ed87215f3e6
[INFO] running `Command { std: "docker" "start" "-a" "7e5fa33dd7848eb69a98fd731d1a66dc5a24678d1590f235ce601ed87215f3e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e5fa33dd7848eb69a98fd731d1a66dc5a24678d1590f235ce601ed87215f3e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e5fa33dd7848eb69a98fd731d1a66dc5a24678d1590f235ce601ed87215f3e6", kill_on_drop: false }`
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[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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c1dd0c4d773fb833425278b27d95f9b49498cdeb453451f5fbd746247f5ab58
[INFO] running `Command { std: "docker" "start" "-a" "1c1dd0c4d773fb833425278b27d95f9b49498cdeb453451f5fbd746247f5ab58", kill_on_drop: false }`
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[INFO] [stderr]    Compiling devise_core v0.2.0
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/devise_core-0.2.0/src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(crate_visibility_modifier)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in favor of `pub(crate)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `!` or `::`, found keyword `enum`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/devise_core-0.2.0/src/field.rs:52:7
[INFO] [stdout]    |
[INFO] [stdout] 52 | crate enum FieldKind<'p> {
[INFO] [stdout]    |       ^^^^ expected one of `!` or `::`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stdout] error: expected identifier, found keyword `crate`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/devise_core-0.2.0/src/generator.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub struct DeriveGenerator {
[INFO] [stdout]    |            --------------- while parsing this struct
[INFO] [stdout] ...
[INFO] [stdout] 69 |     crate generic_support: GenericSupport,
[INFO] [stdout]    |     ^^^^^ expected identifier, found keyword
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `!` or `::`, found keyword `fn`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/devise_core-0.2.0/src/generator.rs:28:15
[INFO] [stdout]     |
[INFO] [stdout] 28  |           crate fn push_default_mappers(&mut self) {
[INFO] [stdout]     |                 ^^ expected one of `!` or `::`
[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] error[E0432]: unresolved imports `field::Field`, `field::Fields`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/devise_core-0.2.0/src/generator.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 | use field::{Field, Fields};
[INFO] [stdout]   |             ^^^^^  ^^^^^^ no `Fields` in `field`
[INFO] [stdout]   |             |
[INFO] [stdout]   |             no `Field` in `field`
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider importing one of these items instead:
[INFO] [stdout]           syn::Expr::Field
[INFO] [stdout]           syn::Field
[INFO] [stdout]   = help: consider importing this enum instead:
[INFO] [stdout]           syn::Fields
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `field::Field`, `field::FieldParent`, `field::Fields`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/devise_core-0.2.0/src/derived.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 | use field::{Field, FieldParent, Fields};
[INFO] [stdout]   |             ^^^^^  ^^^^^^^^^^^  ^^^^^^ no `Fields` in `field`
[INFO] [stdout]   |             |      |
[INFO] [stdout]   |             |      no `FieldParent` in `field`
[INFO] [stdout]   |             no `Field` in `field`
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider importing one of these items instead:
[INFO] [stdout]           syn::Expr::Field
[INFO] [stdout]           syn::Field
[INFO] [stdout]   = help: consider importing this enum instead:
[INFO] [stdout]           syn::Fields
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `variant_mapper` found for reference `&DeriveGenerator` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/devise_core-0.2.0/src/generator.rs:90:22
[INFO] [stdout]    |
[INFO] [stdout] 90 |         .map(|v| gen.variant_mapper()(gen, v))
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^ method not found in `&DeriveGenerator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `variant_mapper` found for reference `&DeriveGenerator` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/devise_core-0.2.0/src/generator.rs:106:22
[INFO] [stdout]     |
[INFO] [stdout] 106 |         .map(|v| gen.variant_mapper()(gen, v))
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^ method not found in `&DeriveGenerator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `fields_mapper` found for reference `&DeriveGenerator` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/devise_core-0.2.0/src/generator.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |     gen.fields_mapper()(gen, data.fields())
[INFO] [stdout]     |         ^^^^^^^^^^^^^ method not found in `&DeriveGenerator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `fields_mapper` found for reference `&DeriveGenerator` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/devise_core-0.2.0/src/generator.rs:117:9
[INFO] [stdout]     |
[INFO] [stdout] 117 |     gen.fields_mapper()(gen, data.fields())
[INFO] [stdout]     |         ^^^^^^^^^^^^^ method not found in `&DeriveGenerator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `field_mapper` found for reference `&DeriveGenerator` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/devise_core-0.2.0/src/generator.rs:126:24
[INFO] [stdout]     |
[INFO] [stdout] 126 |         .map(|field| g.field_mapper()(g, field))
[INFO] [stdout]     |                        ^^^^^^^^^^^^ method not found in `&DeriveGenerator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `push_default_mappers` found for mutable reference `&mut DeriveGenerator` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/devise_core-0.2.0/src/generator.rs:189:14
[INFO] [stdout]     |
[INFO] [stdout] 189 |         self.push_default_mappers();
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^ method not found in `&mut DeriveGenerator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0557, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `devise_core` (lib) due to 12 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "1c1dd0c4d773fb833425278b27d95f9b49498cdeb453451f5fbd746247f5ab58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c1dd0c4d773fb833425278b27d95f9b49498cdeb453451f5fbd746247f5ab58", kill_on_drop: false }`
[INFO] [stdout] 1c1dd0c4d773fb833425278b27d95f9b49498cdeb453451f5fbd746247f5ab58
