[INFO] cloning repository https://github.com/calebwin/fern [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/calebwin/fern" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcalebwin%2Ffern", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcalebwin%2Ffern'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9e5da73a0152faa92f4cf96b504e42d82d9448f4 [INFO] checking calebwin/fern against master#de32266a1780aa4ef748ce7f6200a1554fad0aca for pr-75585 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcalebwin%2Ffern" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/calebwin/fern on toolchain de32266a1780aa4ef748ce7f6200a1554fad0aca [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/calebwin/fern [INFO] finished tweaking git repo https://github.com/calebwin/fern [INFO] tweaked toml for git repo https://github.com/calebwin/fern written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/calebwin/fern already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cd2c0826bf9a5ac95eefa7d26e456a503581853eebebec23c7bf79a74af6beaf [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "cd2c0826bf9a5ac95eefa7d26e456a503581853eebebec23c7bf79a74af6beaf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cd2c0826bf9a5ac95eefa7d26e456a503581853eebebec23c7bf79a74af6beaf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cd2c0826bf9a5ac95eefa7d26e456a503581853eebebec23c7bf79a74af6beaf", kill_on_drop: false }` [INFO] [stdout] cd2c0826bf9a5ac95eefa7d26e456a503581853eebebec23c7bf79a74af6beaf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3e93a766cc64d9b80692214fefd1bfd987f4768eada94627c1cfb1ce3ccbfeca [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "3e93a766cc64d9b80692214fefd1bfd987f4768eada94627c1cfb1ce3ccbfeca", kill_on_drop: false }` [INFO] [stderr] Compiling cc v1.0.29 [INFO] [stderr] Compiling libc v0.2.48 [INFO] [stderr] Compiling autocfg v0.1.2 [INFO] [stderr] Checking rustc-demangle v0.1.13 [INFO] [stderr] Compiling backtrace v0.3.13 [INFO] [stderr] Compiling backtrace-sys v0.1.28 [INFO] [stderr] Checking error-chain v0.12.0 [INFO] [stderr] Checking rsmt2 v0.10.0 [INFO] [stderr] Checking fern v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `SmtRes` [INFO] [stdout] --> src/main.rs:4:13 [INFO] [stdout] | [INFO] [stdout] 4 | use rsmt2::{SmtRes, Solver}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `SmtRes` [INFO] [stdout] --> src/main.rs:4:13 [INFO] [stdout] | [INFO] [stdout] 4 | use rsmt2::{SmtRes, Solver}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: `rsmt2::example::simple::Cst` doesn't implement `std::fmt::Debug` [INFO] [stdout] --> src/main.rs:32:26 [INFO] [stdout] | [INFO] [stdout] 32 | println!("{:?}", model); [INFO] [stdout] | ^^^^^ `rsmt2::example::simple::Cst` cannot be formatted using `{:?}` because it doesn't implement `std::fmt::Debug` [INFO] [stdout] | [INFO] [stdout] = help: the trait `std::fmt::Debug` is not implemented for `rsmt2::example::simple::Cst` [INFO] [stdout] = note: required because of the requirements on the impl of `std::fmt::Debug` for `(std::string::String, std::string::String, rsmt2::example::simple::Cst)` [INFO] [stdout] = note: required because of the requirements on the impl of `std::fmt::Debug` for `std::vec::Vec<(std::string::String, std::string::String, rsmt2::example::simple::Cst)>` [INFO] [stdout] = note: required by `std::fmt::Debug::fmt` [INFO] [stdout] = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: `rsmt2::example::simple::Cst` doesn't implement `std::fmt::Debug` [INFO] [stdout] --> src/main.rs:32:26 [INFO] [stdout] | [INFO] [stdout] 32 | println!("{:?}", model); [INFO] [stdout] | ^^^^^ `rsmt2::example::simple::Cst` cannot be formatted using `{:?}` because it doesn't implement `std::fmt::Debug` [INFO] [stdout] | [INFO] [stdout] = help: the trait `std::fmt::Debug` is not implemented for `rsmt2::example::simple::Cst` [INFO] [stdout] = note: required because of the requirements on the impl of `std::fmt::Debug` for `(std::string::String, std::string::String, rsmt2::example::simple::Cst)` [INFO] [stdout] = note: required because of the requirements on the impl of `std::fmt::Debug` for `std::vec::Vec<(std::string::String, std::string::String, rsmt2::example::simple::Cst)>` [INFO] [stdout] = note: required by `std::fmt::Debug::fmt` [INFO] [stdout] = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: could not compile `fern`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "3e93a766cc64d9b80692214fefd1bfd987f4768eada94627c1cfb1ce3ccbfeca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3e93a766cc64d9b80692214fefd1bfd987f4768eada94627c1cfb1ce3ccbfeca", kill_on_drop: false }` [INFO] [stdout] 3e93a766cc64d9b80692214fefd1bfd987f4768eada94627c1cfb1ce3ccbfeca