[INFO] fetching crate macgyver-lock 0.2.0...
[INFO] testing macgyver-lock-0.2.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate macgyver-lock 0.2.0 into /workspace/builds/worker-37/source
[INFO] validating manifest of crates.io crate macgyver-lock 0.2.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate macgyver-lock 0.2.0
[INFO] finished tweaking crates.io crate macgyver-lock 0.2.0
[INFO] tweaked toml for crates.io crate macgyver-lock 0.2.0 written to /workspace/builds/worker-37/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memcache v0.14.0
[INFO] [stderr]   Downloaded enum_dispatch v0.2.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2484d44f9c73fd7409bdedefd8d6e43a762e7ba789cd9edaaacc8ebb9cc68705
[INFO] running `Command { std: "docker" "start" "-a" "2484d44f9c73fd7409bdedefd8d6e43a762e7ba789cd9edaaacc8ebb9cc68705", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2484d44f9c73fd7409bdedefd8d6e43a762e7ba789cd9edaaacc8ebb9cc68705", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2484d44f9c73fd7409bdedefd8d6e43a762e7ba789cd9edaaacc8ebb9cc68705", kill_on_drop: false }`
[INFO] [stdout] 2484d44f9c73fd7409bdedefd8d6e43a762e7ba789cd9edaaacc8ebb9cc68705
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e0dfe5c29a64315a27529d0f26d3da2cb79d8e4cf3b91b6719ac91149c703489
[INFO] running `Command { std: "docker" "start" "-a" "e0dfe5c29a64315a27529d0f26d3da2cb79d8e4cf3b91b6719ac91149c703489", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling pkg-config v0.3.22
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling unicode-bidi v0.3.7
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling tinyvec v1.5.1
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling openssl-sys v0.9.71
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling enum_dispatch v0.2.4
[INFO] [stdout] error[E0433]: failed to resolve: could not find `export` in `syn`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/enum_dispatch-0.2.4/src/enum_dispatch_item.rs:58:11
[INFO] [stdout]    |
[INFO] [stdout] 58 | impl syn::export::quote::ToTokens for EnumDispatchItem {
[INFO] [stdout]    |           ^^^^^^ could not find `export` in `syn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `export` in `syn`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/enum_dispatch-0.2.4/src/enum_dispatch_variant.rs:51:11
[INFO] [stdout]    |
[INFO] [stdout] 51 | impl syn::export::quote::ToTokens for EnumDispatchVariant {
[INFO] [stdout]    |           ^^^^^^ could not find `export` in `syn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `export` in `syn`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/enum_dispatch-0.2.4/src/expansion.rs:243:69
[INFO] [stdout]     |
[INFO] [stdout] 243 |                         ident: syn::Ident::new("self", syn::export::Span::call_site()),
[INFO] [stdout]     |                                                                     ^^^^ not found in `syn::export`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 3   | use crate::expansion::proc_macro::Span;
[INFO] [stdout]     |
[INFO] [stdout] 3   | use crate::expansion::proc_macro::bridge::server::Span;
[INFO] [stdout]     |
[INFO] [stdout] 3   | use crate::expansion::syn::__private::Span;
[INFO] [stdout]     |
[INFO] [stdout] 3   | use proc_macro2::Span;
[INFO] [stdout]     |
[INFO] [stdout]       and 4 other candidates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `enum_dispatch` due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "e0dfe5c29a64315a27529d0f26d3da2cb79d8e4cf3b91b6719ac91149c703489", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0dfe5c29a64315a27529d0f26d3da2cb79d8e4cf3b91b6719ac91149c703489", kill_on_drop: false }`
[INFO] [stdout] e0dfe5c29a64315a27529d0f26d3da2cb79d8e4cf3b91b6719ac91149c703489