[INFO] fetching crate hindley-milner 0.1.0... [INFO] testing hindley-milner-0.1.0 against beta-2020-06-03 for beta-1.45-1 [INFO] extracting crate hindley-milner 0.1.0 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate hindley-milner 0.1.0 on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate hindley-milner 0.1.0 [INFO] finished tweaking crates.io crate hindley-milner 0.1.0 [INFO] tweaked toml for crates.io crate hindley-milner 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 85617d5b57f46528c3fb6181ef25f4a495e9d8435c66340c3479ef7c734f12f1 [INFO] running `"docker" "start" "-a" "85617d5b57f46528c3fb6181ef25f4a495e9d8435c66340c3479ef7c734f12f1"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling maplit v0.1.6 [INFO] [stderr] Compiling hindley-milner v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred [INFO] [stderr] --> src/lib.rs:206:1 [INFO] [stderr] | [INFO] [stderr] 206 | / lazy_static! { [INFO] [stderr] 207 | | // Basic integer [INFO] [stderr] 208 | | static ref INTEGER: Type = Type::new_operator(0, "int", &[]); [INFO] [stderr] 209 | | // Basic bool [INFO] [stderr] 210 | | static ref BOOL: Type = Type::new_operator(1, "bool", &[]); [INFO] [stderr] 211 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred [INFO] [stderr] --> src/lib.rs:206:1 [INFO] [stderr] | [INFO] [stderr] 206 | / lazy_static! { [INFO] [stderr] 207 | | // Basic integer [INFO] [stderr] 208 | | static ref INTEGER: Type = Type::new_operator(0, "int", &[]); [INFO] [stderr] 209 | | // Basic bool [INFO] [stderr] 210 | | static ref BOOL: Type = Type::new_operator(1, "bool", &[]); [INFO] [stderr] 211 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Namer` [INFO] [stderr] --> src/lib.rs:77:8 [INFO] [stderr] | [INFO] [stderr] 77 | struct Namer { [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `next` [INFO] [stderr] --> src/lib.rs:83:8 [INFO] [stderr] | [INFO] [stderr] 83 | fn next(&mut self) -> String { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `name` [INFO] [stderr] --> src/lib.rs:89:8 [INFO] [stderr] | [INFO] [stderr] 89 | fn name(&mut self, t: ArenaType) -> String { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `id` [INFO] [stderr] --> src/lib.rs:124:8 [INFO] [stderr] | [INFO] [stderr] 124 | fn id(&self) -> usize { [INFO] [stderr] | ^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `as_string` [INFO] [stderr] --> src/lib.rs:146:8 [INFO] [stderr] | [INFO] [stderr] 146 | fn as_string(&self, a: &Vec, namer: &mut Namer) -> String { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test_env` [INFO] [stderr] --> src/lib.rs:537:4 [INFO] [stderr] | [INFO] [stderr] 537 | fn test_env() -> (Vec, Env) { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 8 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.35s [INFO] running `"docker" "inspect" "85617d5b57f46528c3fb6181ef25f4a495e9d8435c66340c3479ef7c734f12f1"` [INFO] running `"docker" "rm" "-f" "85617d5b57f46528c3fb6181ef25f4a495e9d8435c66340c3479ef7c734f12f1"` [INFO] [stdout] 85617d5b57f46528c3fb6181ef25f4a495e9d8435c66340c3479ef7c734f12f1 [INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] e625b014b500b3ab633edd1b415977d066329413f77f7946ec1f2018b04feceb [INFO] running `"docker" "start" "-a" "e625b014b500b3ab633edd1b415977d066329413f77f7946ec1f2018b04feceb"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling hindley-milner v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred [INFO] [stderr] --> src/lib.rs:206:1 [INFO] [stderr] | [INFO] [stderr] 206 | / lazy_static! { [INFO] [stderr] 207 | | // Basic integer [INFO] [stderr] 208 | | static ref INTEGER: Type = Type::new_operator(0, "int", &[]); [INFO] [stderr] 209 | | // Basic bool [INFO] [stderr] 210 | | static ref BOOL: Type = Type::new_operator(1, "bool", &[]); [INFO] [stderr] 211 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred [INFO] [stderr] --> src/lib.rs:206:1 [INFO] [stderr] | [INFO] [stderr] 206 | / lazy_static! { [INFO] [stderr] 207 | | // Basic integer [INFO] [stderr] 208 | | static ref INTEGER: Type = Type::new_operator(0, "int", &[]); [INFO] [stderr] 209 | | // Basic bool [INFO] [stderr] 210 | | static ref BOOL: Type = Type::new_operator(1, "bool", &[]); [INFO] [stderr] 211 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.70s [INFO] running `"docker" "inspect" "e625b014b500b3ab633edd1b415977d066329413f77f7946ec1f2018b04feceb"` [INFO] running `"docker" "rm" "-f" "e625b014b500b3ab633edd1b415977d066329413f77f7946ec1f2018b04feceb"` [INFO] [stdout] e625b014b500b3ab633edd1b415977d066329413f77f7946ec1f2018b04feceb [INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 9894b923584c90baf5eda1ae09bbfdbe36624ce088e40b0f8bf2ac53953ae7ea [INFO] running `"docker" "start" "-a" "9894b923584c90baf5eda1ae09bbfdbe36624ce088e40b0f8bf2ac53953ae7ea"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred [INFO] [stderr] --> src/lib.rs:206:1 [INFO] [stderr] | [INFO] [stderr] 206 | / lazy_static! { [INFO] [stderr] 207 | | // Basic integer [INFO] [stderr] 208 | | static ref INTEGER: Type = Type::new_operator(0, "int", &[]); [INFO] [stderr] 209 | | // Basic bool [INFO] [stderr] 210 | | static ref BOOL: Type = Type::new_operator(1, "bool", &[]); [INFO] [stderr] 211 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred [INFO] [stderr] --> src/lib.rs:206:1 [INFO] [stderr] | [INFO] [stderr] 206 | / lazy_static! { [INFO] [stderr] 207 | | // Basic integer [INFO] [stderr] 208 | | static ref INTEGER: Type = Type::new_operator(0, "int", &[]); [INFO] [stderr] 209 | | // Basic bool [INFO] [stderr] 210 | | static ref BOOL: Type = Type::new_operator(1, "bool", &[]); [INFO] [stderr] 211 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/hindley_milner-44a49d0dd0285572 [INFO] [stdout] [INFO] [stdout] running 9 tests [INFO] [stdout] test test_composition ... ok [INFO] [stdout] test test_generic_nongeneric ... ok [INFO] [stdout] test test_factorial ... ok [INFO] [stdout] test test_int ... ok [INFO] [stdout] test test_mul ... ok [INFO] [stdout] test test_fun ... ok [INFO] [stdout] test test_pair ... ok [INFO] [stdout] test test_mismatch ... ok [INFO] [stdout] test test_recursive ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "9894b923584c90baf5eda1ae09bbfdbe36624ce088e40b0f8bf2ac53953ae7ea"` [INFO] running `"docker" "rm" "-f" "9894b923584c90baf5eda1ae09bbfdbe36624ce088e40b0f8bf2ac53953ae7ea"` [INFO] [stdout] 9894b923584c90baf5eda1ae09bbfdbe36624ce088e40b0f8bf2ac53953ae7ea