[INFO] fetching crate bystr-impl 0.1.3...
[INFO] checking bystr-impl-0.1.3 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] extracting crate bystr-impl 0.1.3 into /workspace/builds/worker-81/source
[INFO] validating manifest of crates.io crate bystr-impl 0.1.3 on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bystr-impl 0.1.3
[INFO] finished tweaking crates.io crate bystr-impl 0.1.3
[INFO] tweaked toml for crates.io crate bystr-impl 0.1.3 written to /workspace/builds/worker-81/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 19721036116f3e615c2104c0c03b543ca6c37da358e6b8f9c8b05e3072eb479d
[INFO] running `Command { std: "docker" "start" "-a" "19721036116f3e615c2104c0c03b543ca6c37da358e6b8f9c8b05e3072eb479d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19721036116f3e615c2104c0c03b543ca6c37da358e6b8f9c8b05e3072eb479d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19721036116f3e615c2104c0c03b543ca6c37da358e6b8f9c8b05e3072eb479d", kill_on_drop: false }`
[INFO] [stdout] 19721036116f3e615c2104c0c03b543ca6c37da358e6b8f9c8b05e3072eb479d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4786f37d7d3b2ce6f1b6d33eadce55379e2f79ccb257a8a754b6876cb7b7ae37
[INFO] running `Command { std: "docker" "start" "-a" "4786f37d7d3b2ce6f1b6d33eadce55379e2f79ccb257a8a754b6876cb7b7ae37", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking syn v1.0.75
[INFO] [stderr]     Checking bystr-impl v0.1.3 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stdout] error[E0433]: failed to resolve: could not find `export` in `syn`
[INFO] [stdout]   --> 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]   --> 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]   --> 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]   --> 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] error: aborting due to 4 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 `bystr-impl` due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0433]: failed to resolve: could not find `export` in `syn`
[INFO] [stdout]   --> 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]   --> 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]   --> 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]   --> 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] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] [stderr] error: failed to migrate to next edition
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `cargo fix --edition --allow-no-vcs --allow-dirty --frozen --all --all-targets --message-format=json` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "4786f37d7d3b2ce6f1b6d33eadce55379e2f79ccb257a8a754b6876cb7b7ae37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4786f37d7d3b2ce6f1b6d33eadce55379e2f79ccb257a8a754b6876cb7b7ae37", kill_on_drop: false }`
[INFO] [stdout] 4786f37d7d3b2ce6f1b6d33eadce55379e2f79ccb257a8a754b6876cb7b7ae37