[INFO] cloning repository https://github.com/aochagavia/rust_meets_csharp [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aochagavia/rust_meets_csharp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faochagavia%2Frust_meets_csharp", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faochagavia%2Frust_meets_csharp'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d06af332fbc9c03486de7a0b2209cab699000072 [INFO] testing aochagavia/rust_meets_csharp against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faochagavia%2Frust_meets_csharp" "/workspace/builds/worker-77/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-77/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/aochagavia/rust_meets_csharp on toolchain 62efba8a050c64249dab942951bb28f710208bc8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/aochagavia/rust_meets_csharp [INFO] finished tweaking git repo https://github.com/aochagavia/rust_meets_csharp [INFO] tweaked toml for git repo https://github.com/aochagavia/rust_meets_csharp written to /workspace/builds/worker-77/source/Cargo.toml [INFO] crate git repo https://github.com/aochagavia/rust_meets_csharp already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f34e4fe2de69980432afb0b69f7c107fe4f473fc53a38f052af9817c7f2854d6 [INFO] running `Command { std: "docker" "start" "-a" "f34e4fe2de69980432afb0b69f7c107fe4f473fc53a38f052af9817c7f2854d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f34e4fe2de69980432afb0b69f7c107fe4f473fc53a38f052af9817c7f2854d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f34e4fe2de69980432afb0b69f7c107fe4f473fc53a38f052af9817c7f2854d6", kill_on_drop: false }` [INFO] [stdout] f34e4fe2de69980432afb0b69f7c107fe4f473fc53a38f052af9817c7f2854d6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 56e8c7323cd8525a1a510b322f6fc6f031bf804951b4f114567f0f17ea721b0f [INFO] running `Command { std: "docker" "start" "-a" "56e8c7323cd8525a1a510b322f6fc6f031bf804951b4f114567f0f17ea721b0f", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling frontend v0.1.0 (/opt/rustwide/workdir/frontend) [INFO] [stderr] Compiling libc v0.2.33 [INFO] [stdout] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable [INFO] [stdout] --> frontend/src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(conservative_impl_trait)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling type_checker v0.1.0 (/opt/rustwide/workdir/type_checker) [INFO] [stderr] Compiling time v0.1.38 [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling interpreter v0.1.0 (/opt/rustwide/workdir/interpreter) [INFO] [stderr] Compiling benchmarks v0.1.0 (/opt/rustwide/workdir/benchmarks) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 18.14s [INFO] running `Command { std: "docker" "inspect" "56e8c7323cd8525a1a510b322f6fc6f031bf804951b4f114567f0f17ea721b0f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "56e8c7323cd8525a1a510b322f6fc6f031bf804951b4f114567f0f17ea721b0f", kill_on_drop: false }` [INFO] [stdout] 56e8c7323cd8525a1a510b322f6fc6f031bf804951b4f114567f0f17ea721b0f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 44f48cf11acc55fdc1e79093899142409329838bcfe0b963b0824190a3bc84b3 [INFO] running `Command { std: "docker" "start" "-a" "44f48cf11acc55fdc1e79093899142409329838bcfe0b963b0824190a3bc84b3", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stdout] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable [INFO] [stdout] --> frontend/src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(conservative_impl_trait)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling frontend v0.1.0 (/opt/rustwide/workdir/frontend) [INFO] [stderr] Compiling type_checker v0.1.0 (/opt/rustwide/workdir/type_checker) [INFO] [stderr] Compiling interpreter v0.1.0 (/opt/rustwide/workdir/interpreter) [INFO] [stderr] Compiling benchmarks v0.1.0 (/opt/rustwide/workdir/benchmarks) [INFO] [stdout] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable [INFO] [stdout] --> frontend/src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(conservative_impl_trait)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 8.98s [INFO] running `Command { std: "docker" "inspect" "44f48cf11acc55fdc1e79093899142409329838bcfe0b963b0824190a3bc84b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "44f48cf11acc55fdc1e79093899142409329838bcfe0b963b0824190a3bc84b3", kill_on_drop: false }` [INFO] [stdout] 44f48cf11acc55fdc1e79093899142409329838bcfe0b963b0824190a3bc84b3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 098b2254fff0b8a41466e5672ee02413f024c27759977b57aa82a213a7ffd71e [INFO] running `Command { std: "docker" "start" "-a" "098b2254fff0b8a41466e5672ee02413f024c27759977b57aa82a213a7ffd71e", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable [INFO] [stderr] --> frontend/src/lib.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(conservative_impl_trait)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(stable_features)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `frontend` (lib) generated 1 warning [INFO] [stderr] warning: `frontend` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 4.07s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/benchmarks-38eaebfc72709a0b) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/frontend-aa8659b87f1c3ab4) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/interpreter-41ecc0e1152ea8d5) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test test::does_not_crash ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/type_checker-bace41bb10bc29f3) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests frontend [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests type_checker [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "098b2254fff0b8a41466e5672ee02413f024c27759977b57aa82a213a7ffd71e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "098b2254fff0b8a41466e5672ee02413f024c27759977b57aa82a213a7ffd71e", kill_on_drop: false }` [INFO] [stdout] 098b2254fff0b8a41466e5672ee02413f024c27759977b57aa82a213a7ffd71e