[INFO] cloning repository https://github.com/02alexander/stack4
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/02alexander/stack4" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F02alexander%2Fstack4", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F02alexander%2Fstack4'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7722bb99a7e190daaa43a2ca056077c181da1bd2
[INFO] checking 02alexander/stack4 against try#5fee451ebd94296ea05214e819c311e164b30af6 for pr-139042
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F02alexander%2Fstack4" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/02alexander/stack4 on toolchain 5fee451ebd94296ea05214e819c311e164b30af6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5fee451ebd94296ea05214e819c311e164b30af6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/02alexander/stack4
[INFO] finished tweaking git repo https://github.com/02alexander/stack4
[INFO] tweaked toml for git repo https://github.com/02alexander/stack4 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/02alexander/stack4 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" "+5fee451ebd94296ea05214e819c311e164b30af6" "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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+5fee451ebd94296ea05214e819c311e164b30af6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] af318f0f1f280bbbd3375a007fe8d541d1b43fa7043f6fec7e8d75dcd202c8f3
[INFO] running `Command { std: "docker" "start" "-a" "af318f0f1f280bbbd3375a007fe8d541d1b43fa7043f6fec7e8d75dcd202c8f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af318f0f1f280bbbd3375a007fe8d541d1b43fa7043f6fec7e8d75dcd202c8f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af318f0f1f280bbbd3375a007fe8d541d1b43fa7043f6fec7e8d75dcd202c8f3", kill_on_drop: false }`
[INFO] [stdout] af318f0f1f280bbbd3375a007fe8d541d1b43fa7043f6fec7e8d75dcd202c8f3
[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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+5fee451ebd94296ea05214e819c311e164b30af6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e64a802b7a99ce76e1cb22814e54c27e704063880b3e7e22d66dbba4205548b
[INFO] running `Command { std: "docker" "start" "-a" "7e64a802b7a99ce76e1cb22814e54c27e704063880b3e7e22d66dbba4205548b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]    Compiling yansi v0.4.0
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling pear_codegen v0.1.2
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking smallvec v0.6.6
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]    Compiling syn v0.15.21
[INFO] [stderr]    Compiling unicode-normalization v0.1.7
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling safemem v0.3.0
[INFO] [stderr]    Compiling ucd-trie v0.1.1
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling pest v2.0.2
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking futures v0.1.25
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling untrusted v0.6.2
[INFO] [stderr]    Compiling maplit v1.0.1
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]     Checking slab v0.4.1
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]     Checking lazycell v1.2.0
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]    Compiling pest_meta v2.0.3
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]     Checking bytes v0.4.11
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling devise_core v0.1.0
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/devise_core-0.1.0/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-1949cf8c6b5b557f/devise_core-0.1.0/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] [stdout] error: expected identifier, found keyword `crate`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/devise_core-0.1.0/src/generator.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub struct DeriveGenerator {
[INFO] [stdout]    |            --------------- while parsing this struct
[INFO] [stdout] ...
[INFO] [stdout] 73 |     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-1949cf8c6b5b557f/devise_core-0.1.0/src/generator.rs:34:15
[INFO] [stdout]     |
[INFO] [stdout] 34  |           crate fn push_default_mappers(&mut self) {
[INFO] [stdout]     |                 ^^ expected one of `!` or `::`
[INFO] [stdout] ...
[INFO] [stdout] 192 | /     mappers! {
[INFO] [stdout] 193 | |         (map_struct, try_map_struct, struct_mapper): Struct, struct_mappers,
[INFO] [stdout] 194 | |         (map_enum, try_map_enum, enum_mapper): Enum, enum_mappers,
[INFO] [stdout] 195 | |         (map_variant, try_map_variant, variant_mapper): Variant, variant_mappers,
[INFO] [stdout] 196 | |         (map_fields, try_map_fields, fields_mapper): Fields, fields_mappers,
[INFO] [stdout] 197 | |         (map_field, try_map_field, field_mapper): Field, field_mappers
[INFO] [stdout] 198 | |     }
[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[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-1949cf8c6b5b557f/devise_core-0.1.0/src/generator.rs:94:22
[INFO] [stdout]    |
[INFO] [stdout] 94 |         .map(|v| gen.variant_mapper()(gen, v))
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^ method not found in `&DeriveGenerator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking unic-char-range v0.7.0
[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-1949cf8c6b5b557f/devise_core-0.1.0/src/generator.rs:110:22
[INFO] [stdout]     |
[INFO] [stdout] 110 |         .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-1949cf8c6b5b557f/devise_core-0.1.0/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 `fields_mapper` found for reference `&DeriveGenerator` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/devise_core-0.1.0/src/generator.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 121 |     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-1949cf8c6b5b557f/devise_core-0.1.0/src/generator.rs:130:24
[INFO] [stdout]     |
[INFO] [stdout] 130 |         .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-1949cf8c6b5b557f/devise_core-0.1.0/src/generator.rs:188:14
[INFO] [stdout]     |
[INFO] [stdout] 188 |         self.push_default_mappers();
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^ method not found in `&mut DeriveGenerator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]     Checking unic-common v0.7.0
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stdout] Some errors have detailed explanations: E0557, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `devise_core` (lib) due to 10 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "7e64a802b7a99ce76e1cb22814e54c27e704063880b3e7e22d66dbba4205548b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e64a802b7a99ce76e1cb22814e54c27e704063880b3e7e22d66dbba4205548b", kill_on_drop: false }`
[INFO] [stdout] 7e64a802b7a99ce76e1cb22814e54c27e704063880b3e7e22d66dbba4205548b
