[INFO] fetching crate swifer 0.1.0...
[INFO] testing swifer-0.1.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate swifer 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] removed /workspace/builds/worker-0-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate swifer 0.1.0
[INFO] finished tweaking crates.io crate swifer 0.1.0
[INFO] tweaked toml for crates.io crate swifer 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate swifer 0.1.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f176356226ed1c932b14a05a76c97611640b84c1f62ce8f41dfa58e2d91dfa8
[INFO] running `Command { std: "docker" "start" "-a" "6f176356226ed1c932b14a05a76c97611640b84c1f62ce8f41dfa58e2d91dfa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f176356226ed1c932b14a05a76c97611640b84c1f62ce8f41dfa58e2d91dfa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f176356226ed1c932b14a05a76c97611640b84c1f62ce8f41dfa58e2d91dfa8", kill_on_drop: false }`
[INFO] [stdout] 6f176356226ed1c932b14a05a76c97611640b84c1f62ce8f41dfa58e2d91dfa8
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7bce3bdc1d2b3e832a1251b7158c0231d6d7c19d142ee18e23de1adfc0fc1f9
[INFO] running `Command { std: "docker" "start" "-a" "a7bce3bdc1d2b3e832a1251b7158c0231d6d7c19d142ee18e23de1adfc0fc1f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling swifer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "a7bce3bdc1d2b3e832a1251b7158c0231d6d7c19d142ee18e23de1adfc0fc1f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7bce3bdc1d2b3e832a1251b7158c0231d6d7c19d142ee18e23de1adfc0fc1f9", kill_on_drop: false }`
[INFO] [stdout] a7bce3bdc1d2b3e832a1251b7158c0231d6d7c19d142ee18e23de1adfc0fc1f9
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c541750008d7e66564409f07860d95cbe0c053ee6e5607d5cd890a17a98db80
[INFO] running `Command { std: "docker" "start" "-a" "2c541750008d7e66564409f07860d95cbe0c053ee6e5607d5cd890a17a98db80", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling transmute v0.1.1
[INFO] [stderr]    Compiling dyn_struct2 v0.1.0
[INFO] [stderr]    Compiling dyn_struct_derive2 v0.1.0
[INFO] [stdout] error[E0603]: enum `TokenTree` is private
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/dyn_struct_derive2-0.1.0/src/lib.rs:176:27
[INFO] [stdout]     |
[INFO] [stdout] 176 |         quote::__private::TokenTree::Group(group) => find_ident(group.stream()),
[INFO] [stdout]     |                           ^^^^^^^^^ private enum
[INFO] [stdout]     |
[INFO] [stdout] note: the enum `TokenTree` is defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/quote-1.0.45/src/runtime.rs:6:49
[INFO] [stdout]     |
[INFO] [stdout]   6 | use proc_macro2::{Group, Ident, Punct, Spacing, TokenTree};
[INFO] [stdout]     |                                                 ^^^^^^^^^
[INFO] [stdout] help: consider importing this tuple variant instead
[INFO] [stdout]     |
[INFO] [stdout] 176 -         quote::__private::TokenTree::Group(group) => find_ident(group.stream()),
[INFO] [stdout] 176 +         proc_macro2::TokenTree::Group(group) => find_ident(group.stream()),
[INFO] [stdout]     |
[INFO] [stdout] help: import `TokenTree` directly
[INFO] [stdout]     |
[INFO] [stdout] 176 -         quote::__private::TokenTree::Group(group) => find_ident(group.stream()),
[INFO] [stdout] 176 +         proc_macro2::TokenTree(group) => find_ident(group.stream()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: enum `TokenTree` is private
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/dyn_struct_derive2-0.1.0/src/lib.rs:177:27
[INFO] [stdout]     |
[INFO] [stdout] 177 |         quote::__private::TokenTree::Ident(ident) => Some(ident.clone()),
[INFO] [stdout]     |                           ^^^^^^^^^ private enum
[INFO] [stdout]     |
[INFO] [stdout] note: the enum `TokenTree` is defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/quote-1.0.45/src/runtime.rs:6:49
[INFO] [stdout]     |
[INFO] [stdout]   6 | use proc_macro2::{Group, Ident, Punct, Spacing, TokenTree};
[INFO] [stdout]     |                                                 ^^^^^^^^^
[INFO] [stdout] help: consider importing this tuple variant instead
[INFO] [stdout]     |
[INFO] [stdout] 177 -         quote::__private::TokenTree::Ident(ident) => Some(ident.clone()),
[INFO] [stdout] 177 +         proc_macro2::TokenTree::Ident(ident) => Some(ident.clone()),
[INFO] [stdout]     |
[INFO] [stdout] help: import `TokenTree` directly
[INFO] [stdout]     |
[INFO] [stdout] 177 -         quote::__private::TokenTree::Ident(ident) => Some(ident.clone()),
[INFO] [stdout] 177 +         proc_macro2::TokenTree(ident) => Some(ident.clone()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0603`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dyn_struct_derive2` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "2c541750008d7e66564409f07860d95cbe0c053ee6e5607d5cd890a17a98db80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c541750008d7e66564409f07860d95cbe0c053ee6e5607d5cd890a17a98db80", kill_on_drop: false }`
[INFO] [stdout] 2c541750008d7e66564409f07860d95cbe0c053ee6e5607d5cd890a17a98db80