[INFO] fetching crate saphir_macro 2.1.1...
[INFO] checking saphir_macro-2.1.1 against try#bb9dbf1d07454a99066eabaabd5819851281494b for pr-80920
[INFO] extracting crate saphir_macro 2.1.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate saphir_macro 2.1.1 on toolchain bb9dbf1d07454a99066eabaabd5819851281494b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate saphir_macro 2.1.1
[INFO] finished tweaking crates.io crate saphir_macro 2.1.1
[INFO] tweaked toml for crates.io crate saphir_macro 2.1.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ac2c0bea412d1e60864c00cf5c3410542c8822a38ab7026d8b8e2f446f9274c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7ac2c0bea412d1e60864c00cf5c3410542c8822a38ab7026d8b8e2f446f9274c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ac2c0bea412d1e60864c00cf5c3410542c8822a38ab7026d8b8e2f446f9274c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ac2c0bea412d1e60864c00cf5c3410542c8822a38ab7026d8b8e2f446f9274c", kill_on_drop: false }`
[INFO] [stdout] 7ac2c0bea412d1e60864c00cf5c3410542c8822a38ab7026d8b8e2f446f9274c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e0316271e1455c3ff931aff56356bc2d96d137858f7a33df7215f24093b75dd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7e0316271e1455c3ff931aff56356bc2d96d137858f7a33df7215f24093b75dd", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking proc-macro2 v1.0.24
[INFO] [stderr]     Checking quote v1.0.8
[INFO] [stderr]     Checking http v0.2.3
[INFO] [stderr]     Checking saphir_macro v2.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `syn::export`
[INFO] [stdout]  --> src/controller/mod.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use syn::{export::ToTokens, spanned::Spanned, AttributeArgs, Error, GenericArgument, ItemImpl, PathArguments, Result, Type};
[INFO] [stdout]   |           ^^^^^^ could not find `export` in `syn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `syn::export`
[INFO] [stdout]  --> src/controller/controller_attr.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | use syn::export::ToTokens;
[INFO] [stdout]   |          ^^^^^^ could not find `export` in `syn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `syn::export`
[INFO] [stdout]  --> src/controller/handler.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     export::ToTokens, spanned::Spanned, Attribute, Error, Expr, FnArg, GenericArgument, ImplItem, ImplItemMethod, ItemImpl, Lit, Meta, Me...
[INFO] [stdout]   |     ^^^^^^ could not find `export` in `syn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `syn::export`
[INFO] [stdout]  --> src/openapi/mod.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use syn::{export::ToTokens, AttributeArgs, Error, Item, Lit, Meta, NestedMeta, Result};
[INFO] [stdout]   |           ^^^^^^ could not find `export` in `syn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `syn::export`
[INFO] [stdout]  --> src/controller/mod.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use syn::{export::ToTokens, spanned::Spanned, AttributeArgs, Error, GenericArgument, ItemImpl, PathArguments, Result, Type};
[INFO] [stdout]   |           ^^^^^^ could not find `export` in `syn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `syn::export`
[INFO] [stdout]  --> src/controller/controller_attr.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | use syn::export::ToTokens;
[INFO] [stdout]   |          ^^^^^^ could not find `export` in `syn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `syn::export`
[INFO] [stdout]  --> src/controller/handler.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     export::ToTokens, spanned::Spanned, Attribute, Error, Expr, FnArg, GenericArgument, ImplItem, ImplItemMethod, ItemImpl, Lit, Meta, Me...
[INFO] [stdout]   |     ^^^^^^ could not find `export` in `syn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `syn::export`
[INFO] [stdout]  --> src/openapi/mod.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use syn::{export::ToTokens, AttributeArgs, Error, Item, Lit, Meta, NestedMeta, Result};
[INFO] [stdout]   |           ^^^^^^ could not find `export` in `syn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `saphir_macro`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "7e0316271e1455c3ff931aff56356bc2d96d137858f7a33df7215f24093b75dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e0316271e1455c3ff931aff56356bc2d96d137858f7a33df7215f24093b75dd", kill_on_drop: false }`
[INFO] [stdout] 7e0316271e1455c3ff931aff56356bc2d96d137858f7a33df7215f24093b75dd