[INFO] fetching crate bystr 0.1.3...
[INFO] checking bystr-0.1.3 against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1
[INFO] extracting crate bystr 0.1.3 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate bystr 0.1.3 on toolchain ff1737bb00913444173658b4e0b274fd79aabf66
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bystr 0.1.3
[INFO] finished tweaking crates.io crate bystr 0.1.3
[INFO] tweaked toml for crates.io crate bystr 0.1.3 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bystr-impl v0.1.3
[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" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e36d407a388ae4d41f5af5ce21b3c9d4c3f189ff07d18a9f8b5ba29c32b98a9a
[INFO] running `Command { std: "docker" "start" "-a" "e36d407a388ae4d41f5af5ce21b3c9d4c3f189ff07d18a9f8b5ba29c32b98a9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e36d407a388ae4d41f5af5ce21b3c9d4c3f189ff07d18a9f8b5ba29c32b98a9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e36d407a388ae4d41f5af5ce21b3c9d4c3f189ff07d18a9f8b5ba29c32b98a9a", kill_on_drop: false }`
[INFO] [stdout] e36d407a388ae4d41f5af5ce21b3c9d4c3f189ff07d18a9f8b5ba29c32b98a9a
[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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0817a23e7761b5af60bff2a8b7f46841e98d183001a914a9b1d220926151ec94
[INFO] running `Command { std: "docker" "start" "-a" "0817a23e7761b5af60bff2a8b7f46841e98d183001a914a9b1d220926151ec94", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling bystr-impl v0.1.3
[INFO] [stdout] error[E0433]: failed to resolve: could not find `export` in `syn`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bystr-impl-0.1.3/src/lib.rs:15:83
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn stringify(input: &syn::parse::ParseStream) -> syn::parse::Result<(String, syn::export::Span)> {
[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/index.crates.io-6f17d22bba15001f/bystr-impl-0.1.3/src/lib.rs:30:16
[INFO] [stdout]    |
[INFO] [stdout] 30 |     span: syn::export::Span,
[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/index.crates.io-6f17d22bba15001f/bystr-impl-0.1.3/src/lib.rs:35:42
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let mut len: Option<(usize, syn::export::Span)> = None;
[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/index.crates.io-6f17d22bba15001f/bystr-impl-0.1.3/src/lib.rs:72:35
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn byte_to_expr(b: u8, span: syn::export::Span) -> syn::Expr {
[INFO] [stdout]    |                                   ^^^^^^ could not find `export` in `syn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bystr-impl` (lib) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "0817a23e7761b5af60bff2a8b7f46841e98d183001a914a9b1d220926151ec94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0817a23e7761b5af60bff2a8b7f46841e98d183001a914a9b1d220926151ec94", kill_on_drop: false }`
[INFO] [stdout] 0817a23e7761b5af60bff2a8b7f46841e98d183001a914a9b1d220926151ec94