[INFO] cloning repository https://github.com/WilliamVenner/prefer-dynamic [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/WilliamVenner/prefer-dynamic" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWilliamVenner%2Fprefer-dynamic", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWilliamVenner%2Fprefer-dynamic'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ffd8b6a0a2dbedd892899e6c9b2176df6f233337 [INFO] checking WilliamVenner/prefer-dynamic against try#4c35efa5bf9c956a3bd39021cc9699d125584977 for pr-104746-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWilliamVenner%2Fprefer-dynamic" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/WilliamVenner/prefer-dynamic on toolchain 4c35efa5bf9c956a3bd39021cc9699d125584977 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c35efa5bf9c956a3bd39021cc9699d125584977" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/WilliamVenner/prefer-dynamic [INFO] finished tweaking git repo https://github.com/WilliamVenner/prefer-dynamic [INFO] tweaked toml for git repo https://github.com/WilliamVenner/prefer-dynamic written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/WilliamVenner/prefer-dynamic already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c35efa5bf9c956a3bd39021cc9699d125584977" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+4c35efa5bf9c956a3bd39021cc9699d125584977" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c5876510b970543dc70c368a15f6bcfdd590c4a8895c4a6398380f62be3d15c9 [INFO] running `Command { std: "docker" "start" "-a" "c5876510b970543dc70c368a15f6bcfdd590c4a8895c4a6398380f62be3d15c9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c5876510b970543dc70c368a15f6bcfdd590c4a8895c4a6398380f62be3d15c9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c5876510b970543dc70c368a15f6bcfdd590c4a8895c4a6398380f62be3d15c9", kill_on_drop: false }` [INFO] [stdout] c5876510b970543dc70c368a15f6bcfdd590c4a8895c4a6398380f62be3d15c9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+4c35efa5bf9c956a3bd39021cc9699d125584977" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b01f52c3758da1c80584a19723c170bc29d32ed76902e47e3b818d523075be58 [INFO] running `Command { std: "docker" "start" "-a" "b01f52c3758da1c80584a19723c170bc29d32ed76902e47e3b818d523075be58", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.38 [INFO] [stderr] Compiling unicode-xid v0.2.3 [INFO] [stderr] Compiling syn v1.0.92 [INFO] [stderr] Compiling convert_case v0.4.0 [INFO] [stderr] Compiling quote v1.0.18 [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-1.0.92/src/buffer.rs:122:20 [INFO] [stdout] | [INFO] [stdout] 122 | 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-1.0.92/src/parse.rs:1163:52 [INFO] [stdout] | [INFO] [stdout] 1163 | 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" "b01f52c3758da1c80584a19723c170bc29d32ed76902e47e3b818d523075be58", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b01f52c3758da1c80584a19723c170bc29d32ed76902e47e3b818d523075be58", kill_on_drop: false }` [INFO] [stdout] b01f52c3758da1c80584a19723c170bc29d32ed76902e47e3b818d523075be58