[INFO] fetching crate prefer-dynamic 0.1.2... [INFO] building prefer-dynamic-0.1.2 against try#434cce50d8e9a9de0ddaaccaca51e3e3f4bbb275 for pr-101591 [INFO] extracting crate prefer-dynamic 0.1.2 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate prefer-dynamic 0.1.2 on toolchain 434cce50d8e9a9de0ddaaccaca51e3e3f4bbb275 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+434cce50d8e9a9de0ddaaccaca51e3e3f4bbb275" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate prefer-dynamic 0.1.2 [INFO] finished tweaking crates.io crate prefer-dynamic 0.1.2 [INFO] tweaked toml for crates.io crate prefer-dynamic 0.1.2 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+434cce50d8e9a9de0ddaaccaca51e3e3f4bbb275" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+434cce50d8e9a9de0ddaaccaca51e3e3f4bbb275" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+434cce50d8e9a9de0ddaaccaca51e3e3f4bbb275" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] aa6ba7ed4ca9673ea591f4db64282ce4395e6b1fcfc742c178a3c61d92aed312 [INFO] running `Command { std: "docker" "start" "-a" "aa6ba7ed4ca9673ea591f4db64282ce4395e6b1fcfc742c178a3c61d92aed312", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "aa6ba7ed4ca9673ea591f4db64282ce4395e6b1fcfc742c178a3c61d92aed312", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aa6ba7ed4ca9673ea591f4db64282ce4395e6b1fcfc742c178a3c61d92aed312", kill_on_drop: false }` [INFO] [stdout] aa6ba7ed4ca9673ea591f4db64282ce4395e6b1fcfc742c178a3c61d92aed312 [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" "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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+434cce50d8e9a9de0ddaaccaca51e3e3f4bbb275" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 31f3e4d6c00323d91491bb438f220b0695dbbb6dfe215c7a30f4bbd4a700b66e [INFO] running `Command { std: "docker" "start" "-a" "31f3e4d6c00323d91491bb438f220b0695dbbb6dfe215c7a30f4bbd4a700b66e", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.43 [INFO] [stderr] Compiling quote v1.0.21 [INFO] [stderr] Compiling unicode-ident v1.0.3 [INFO] [stderr] Compiling syn v1.0.99 [INFO] [stderr] Compiling convert_case v0.4.0 [INFO] [stdout] error[E0277]: the trait bound `proc_macro2::TokenStream: From` is not satisfied [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.99/src/buffer.rs:150:20 [INFO] [stdout] | [INFO] [stdout] 150 | Self::new2(stream.into()) [INFO] [stdout] | ^^^^^^ ---- required by a bound introduced by this call [INFO] [stdout] | | [INFO] [stdout] | the trait `From` is not implemented for `proc_macro2::TokenStream` [INFO] [stdout] | [INFO] [stdout] = help: the trait `From` is implemented for `proc_macro2::TokenStream` [INFO] [stdout] = note: required for `proc_macro::TokenStream` to implement `Into` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `proc_macro2::TokenStream: From` is not satisfied [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.99/src/parse.rs:1164:52 [INFO] [stdout] | [INFO] [stdout] 1164 | self.parse2(proc_macro2::TokenStream::from(tokens)) [INFO] [stdout] | ------------------------------ ^^^^^^ the trait `From` is not implemented for `proc_macro2::TokenStream` [INFO] [stdout] | | [INFO] [stdout] | required by a bound introduced by this call [INFO] [stdout] | [INFO] [stdout] = help: the trait `From` is implemented for `proc_macro2::TokenStream` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: could not compile `syn` due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "31f3e4d6c00323d91491bb438f220b0695dbbb6dfe215c7a30f4bbd4a700b66e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "31f3e4d6c00323d91491bb438f220b0695dbbb6dfe215c7a30f4bbd4a700b66e", kill_on_drop: false }` [INFO] [stdout] 31f3e4d6c00323d91491bb438f220b0695dbbb6dfe215c7a30f4bbd4a700b66e