[INFO] cloning repository https://github.com/zero-frost/church-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zero-frost/church-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzero-frost%2Fchurch-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzero-frost%2Fchurch-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6247f8c86a2f1457e7d27098701ca55c085142ff [INFO] testing zero-frost/church-rs against 1.55.0 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzero-frost%2Fchurch-rs" "/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/zero-frost/church-rs on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/zero-frost/church-rs [INFO] finished tweaking git repo https://github.com/zero-frost/church-rs [INFO] tweaked toml for git repo https://github.com/zero-frost/church-rs written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/zero-frost/church-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4b097c9fbea98395e3994407d4fe7aa83f52e739e4ad7d477a2647a8a92466b2 [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" "4b097c9fbea98395e3994407d4fe7aa83f52e739e4ad7d477a2647a8a92466b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4b097c9fbea98395e3994407d4fe7aa83f52e739e4ad7d477a2647a8a92466b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4b097c9fbea98395e3994407d4fe7aa83f52e739e4ad7d477a2647a8a92466b2", kill_on_drop: false }` [INFO] [stdout] 4b097c9fbea98395e3994407d4fe7aa83f52e739e4ad7d477a2647a8a92466b2 [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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 246b88b8de7490ca0222619d3b804b0006017e564af26549bf9e99335c8b100a [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" "246b88b8de7490ca0222619d3b804b0006017e564af26549bf9e99335c8b100a", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.36 [INFO] [stderr] Compiling memchr v1.0.2 [INFO] [stderr] Compiling nom v3.2.1 [INFO] [stderr] Compiling church v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning[E0170]: pattern binding `ChurchIntParseError` is named the same as one of the variants of the type `ChurchParseError` [INFO] [stdout] --> src/main.rs:24:13 [INFO] [stdout] | [INFO] [stdout] 24 | ChurchIntParseError => "Failed to parse value into integer", [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: to match on the variant, qualify the path: `ChurchParseError::ChurchIntParseError` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bindings_with_variant_name)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning[E0170]: pattern binding `ChurchBoolParseError` is named the same as one of the variants of the type `ChurchParseError` [INFO] [stdout] --> src/main.rs:25:13 [INFO] [stdout] | [INFO] [stdout] 25 | ChurchBoolParseError => "Failed to parse value into boolean", [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ help: to match on the variant, qualify the path: `ChurchParseError::ChurchBoolParseError` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/main.rs:25:13 [INFO] [stdout] | [INFO] [stdout] 24 | ChurchIntParseError => "Failed to parse value into integer", [INFO] [stdout] | ------------------- matches any value [INFO] [stdout] 25 | ChurchBoolParseError => "Failed to parse value into boolean", [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ unreachable pattern [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ChurchIntParseError` [INFO] [stdout] --> src/main.rs:24:13 [INFO] [stdout] | [INFO] [stdout] 24 | ChurchIntParseError => "Failed to parse value into integer", [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ChurchIntParseError` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ChurchBoolParseError` [INFO] [stdout] --> src/main.rs:25:13 [INFO] [stdout] | [INFO] [stdout] 25 | ChurchBoolParseError => "Failed to parse value into boolean", [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ChurchBoolParseError` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ret` [INFO] [stdout] --> src/main.rs:55:25 [INFO] [stdout] | [INFO] [stdout] 55 | Err(ret) => Err(ChurchParseError::ChurchIntParseError), [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_ret` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `ChurchIntParseError` should have a snake case name [INFO] [stdout] --> src/main.rs:24:13 [INFO] [stdout] | [INFO] [stdout] 24 | ChurchIntParseError => "Failed to parse value into integer", [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `church_int_parse_error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `ChurchBoolParseError` should have a snake case name [INFO] [stdout] --> src/main.rs:25:13 [INFO] [stdout] | [INFO] [stdout] 25 | ChurchBoolParseError => "Failed to parse value into boolean", [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `church_bool_parse_error` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0170`. [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.44s [INFO] running `Command { std: "docker" "inspect" "246b88b8de7490ca0222619d3b804b0006017e564af26549bf9e99335c8b100a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "246b88b8de7490ca0222619d3b804b0006017e564af26549bf9e99335c8b100a", kill_on_drop: false }` [INFO] [stdout] 246b88b8de7490ca0222619d3b804b0006017e564af26549bf9e99335c8b100a [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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3d65496ccec03fc9555768d7187620d82286998718c235a89b96e89fc0b24975 [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" "3d65496ccec03fc9555768d7187620d82286998718c235a89b96e89fc0b24975", kill_on_drop: false }` [INFO] [stderr] Compiling church v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning[E0170]: pattern binding `ChurchIntParseError` is named the same as one of the variants of the type `ChurchParseError` [INFO] [stdout] --> src/main.rs:24:13 [INFO] [stdout] | [INFO] [stdout] 24 | ChurchIntParseError => "Failed to parse value into integer", [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: to match on the variant, qualify the path: `ChurchParseError::ChurchIntParseError` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bindings_with_variant_name)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning[E0170]: pattern binding `ChurchBoolParseError` is named the same as one of the variants of the type `ChurchParseError` [INFO] [stdout] --> src/main.rs:25:13 [INFO] [stdout] | [INFO] [stdout] 25 | ChurchBoolParseError => "Failed to parse value into boolean", [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ help: to match on the variant, qualify the path: `ChurchParseError::ChurchBoolParseError` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/main.rs:25:13 [INFO] [stdout] | [INFO] [stdout] 24 | ChurchIntParseError => "Failed to parse value into integer", [INFO] [stdout] | ------------------- matches any value [INFO] [stdout] 25 | ChurchBoolParseError => "Failed to parse value into boolean", [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ unreachable pattern [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ChurchIntParseError` [INFO] [stdout] --> src/main.rs:24:13 [INFO] [stdout] | [INFO] [stdout] 24 | ChurchIntParseError => "Failed to parse value into integer", [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ChurchIntParseError` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ChurchBoolParseError` [INFO] [stdout] --> src/main.rs:25:13 [INFO] [stdout] | [INFO] [stdout] 25 | ChurchBoolParseError => "Failed to parse value into boolean", [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ChurchBoolParseError` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ret` [INFO] [stdout] --> src/main.rs:55:25 [INFO] [stdout] | [INFO] [stdout] 55 | Err(ret) => Err(ChurchParseError::ChurchIntParseError), [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_ret` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `ChurchIntParseError` should have a snake case name [INFO] [stdout] --> src/main.rs:24:13 [INFO] [stdout] | [INFO] [stdout] 24 | ChurchIntParseError => "Failed to parse value into integer", [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `church_int_parse_error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `ChurchBoolParseError` should have a snake case name [INFO] [stdout] --> src/main.rs:25:13 [INFO] [stdout] | [INFO] [stdout] 25 | ChurchBoolParseError => "Failed to parse value into boolean", [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `church_bool_parse_error` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0170`. [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.80s [INFO] running `Command { std: "docker" "inspect" "3d65496ccec03fc9555768d7187620d82286998718c235a89b96e89fc0b24975", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3d65496ccec03fc9555768d7187620d82286998718c235a89b96e89fc0b24975", kill_on_drop: false }` [INFO] [stdout] 3d65496ccec03fc9555768d7187620d82286998718c235a89b96e89fc0b24975 [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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] f10cd711fd1578b8840b82ca69dbfb792bf87a135e88c0dc9ec3183a307f6c70 [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" "f10cd711fd1578b8840b82ca69dbfb792bf87a135e88c0dc9ec3183a307f6c70", kill_on_drop: false }` [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] warning[E0170]: pattern binding `ChurchIntParseError` is named the same as one of the variants of the type `ChurchParseError` [INFO] [stderr] --> src/main.rs:24:13 [INFO] [stderr] | [INFO] [stderr] 24 | ChurchIntParseError => "Failed to parse value into integer", [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ help: to match on the variant, qualify the path: `ChurchParseError::ChurchIntParseError` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bindings_with_variant_name)]` on by default [INFO] [stderr] [INFO] [stderr] warning[E0170]: pattern binding `ChurchBoolParseError` is named the same as one of the variants of the type `ChurchParseError` [INFO] [stderr] --> src/main.rs:25:13 [INFO] [stderr] | [INFO] [stderr] 25 | ChurchBoolParseError => "Failed to parse value into boolean", [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ help: to match on the variant, qualify the path: `ChurchParseError::ChurchBoolParseError` [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/main.rs:25:13 [INFO] [stderr] | [INFO] [stderr] 24 | ChurchIntParseError => "Failed to parse value into integer", [INFO] [stderr] | ------------------- matches any value [INFO] [stderr] 25 | ChurchBoolParseError => "Failed to parse value into boolean", [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ unreachable pattern [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `ChurchIntParseError` [INFO] [stderr] --> src/main.rs:24:13 [INFO] [stderr] | [INFO] [stderr] 24 | ChurchIntParseError => "Failed to parse value into integer", [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ChurchIntParseError` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `ChurchBoolParseError` [INFO] [stderr] --> src/main.rs:25:13 [INFO] [stderr] | [INFO] [stderr] 25 | ChurchBoolParseError => "Failed to parse value into boolean", [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ChurchBoolParseError` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `ret` [INFO] [stderr] --> src/main.rs:55:25 [INFO] [stderr] | [INFO] [stderr] 55 | Err(ret) => Err(ChurchParseError::ChurchIntParseError), [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_ret` [INFO] [stderr] [INFO] [stderr] warning: variable `ChurchIntParseError` should have a snake case name [INFO] [stderr] --> src/main.rs:24:13 [INFO] [stderr] | [INFO] [stderr] 24 | ChurchIntParseError => "Failed to parse value into integer", [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `church_int_parse_error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `ChurchBoolParseError` should have a snake case name [INFO] [stderr] --> src/main.rs:25:13 [INFO] [stderr] | [INFO] [stderr] 25 | ChurchBoolParseError => "Failed to parse value into boolean", [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `church_bool_parse_error` [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0170`. [INFO] [stderr] warning: `church` (bin "church" test) generated 8 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/church-c7175808c9d5f3a5) [INFO] running `Command { std: "docker" "inspect" "f10cd711fd1578b8840b82ca69dbfb792bf87a135e88c0dc9ec3183a307f6c70", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f10cd711fd1578b8840b82ca69dbfb792bf87a135e88c0dc9ec3183a307f6c70", kill_on_drop: false }` [INFO] [stdout] f10cd711fd1578b8840b82ca69dbfb792bf87a135e88c0dc9ec3183a307f6c70