[INFO] cloning repository https://github.com/seanaye/doppleganger [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/seanaye/doppleganger" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseanaye%2Fdoppleganger", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseanaye%2Fdoppleganger'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e70f40191b46ecc25e5d419fb2e1cdd2f836e7e7 [INFO] checking seanaye/doppleganger against try#50f413885985a8b0a0b6ca0766a0aedd45304953 for pr-155657-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseanaye%2Fdoppleganger" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/seanaye/doppleganger [INFO] finished tweaking git repo https://github.com/seanaye/doppleganger [INFO] tweaked toml for git repo https://github.com/seanaye/doppleganger written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/seanaye/doppleganger on toolchain 50f413885985a8b0a0b6ca0766a0aedd45304953 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/seanaye/doppleganger already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f4c3740ca69e75e1ab233c72cedc25bf73b5a5438a6e9bd668f963ba92bd7362 [INFO] running `Command { std: "docker" "start" "-a" "f4c3740ca69e75e1ab233c72cedc25bf73b5a5438a6e9bd668f963ba92bd7362", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f4c3740ca69e75e1ab233c72cedc25bf73b5a5438a6e9bd668f963ba92bd7362", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f4c3740ca69e75e1ab233c72cedc25bf73b5a5438a6e9bd668f963ba92bd7362", kill_on_drop: false }` [INFO] [stdout] f4c3740ca69e75e1ab233c72cedc25bf73b5a5438a6e9bd668f963ba92bd7362 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a59fd839b397de50540964b1bc41663e79ecf94be1a81660321418c45501e98e [INFO] running `Command { std: "docker" "start" "-a" "a59fd839b397de50540964b1bc41663e79ecf94be1a81660321418c45501e98e", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.103 [INFO] [stderr] Compiling mutants v0.0.3 [INFO] [stderr] Compiling rustc-hash v2.1.1 [INFO] [stderr] Checking unicode-ident v1.0.22 [INFO] [stderr] Checking doppleganger-core v0.4.0 (/opt/rustwide/workdir/doppleganger-core) [INFO] [stderr] Compiling quote v1.0.42 [INFO] [stderr] Checking indent_write v2.2.0 [INFO] [stderr] Checking cool_asserts v2.0.3 [INFO] [stderr] Checking unsynn v0.3.0 [INFO] [stdout] error[E0277]: the trait bound `(): std::error::Error` is not satisfied [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/unsynn-0.3.0/src/rust_types.rs:21:73 [INFO] [stdout] | [INFO] [stdout] 21 | .or_else(|e| Error::dynamic::(at, tokens, e)) [INFO] [stdout] | ---------------------- ^ the trait `std::error::Error` is not implemented for `()` [INFO] [stdout] | | [INFO] [stdout] | required by a bound introduced by this call [INFO] [stdout] ... [INFO] [stdout] 44 | impl_unsigned_integer! {u8, u16, u32, u64, u128, usize} [INFO] [stdout] | ------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] note: required by a bound in `error::Error::dynamic` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/unsynn-0.3.0/src/error.rs:192:21 [INFO] [stdout] | [INFO] [stdout] 189 | pub fn dynamic( [INFO] [stdout] | ------- required by a bound in this associated function [INFO] [stdout] ... [INFO] [stdout] 192 | error: impl std::error::Error + Send + Sync + 'static, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ required by this bound in `Error::dynamic` [INFO] [stdout] = note: this error originates in the macro `impl_unsigned_integer` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: could not compile `unsynn` (lib) due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0277]: the trait bound `(): std::error::Error` is not satisfied [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/unsynn-0.3.0/src/rust_types.rs:21:73 [INFO] [stdout] | [INFO] [stdout] 21 | .or_else(|e| Error::dynamic::(at, tokens, e)) [INFO] [stdout] | ---------------------- ^ the trait `std::error::Error` is not implemented for `()` [INFO] [stdout] | | [INFO] [stdout] | required by a bound introduced by this call [INFO] [stdout] ... [INFO] [stdout] 44 | impl_unsigned_integer! {u8, u16, u32, u64, u128, usize} [INFO] [stdout] | ------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] note: required by a bound in `error::Error::dynamic` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/unsynn-0.3.0/src/error.rs:192:21 [INFO] [stdout] | [INFO] [stdout] 189 | pub fn dynamic( [INFO] [stdout] | ------- required by a bound in this associated function [INFO] [stdout] ... [INFO] [stdout] 192 | error: impl std::error::Error + Send + Sync + 'static, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ required by this bound in `Error::dynamic` [INFO] [stdout] = note: this error originates in the macro `impl_unsigned_integer` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: could not compile `unsynn` (lib) due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "a59fd839b397de50540964b1bc41663e79ecf94be1a81660321418c45501e98e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a59fd839b397de50540964b1bc41663e79ecf94be1a81660321418c45501e98e", kill_on_drop: false }` [INFO] [stdout] a59fd839b397de50540964b1bc41663e79ecf94be1a81660321418c45501e98e