[INFO] fetching crate hindley-milner 0.1.0... [INFO] testing hindley-milner-0.1.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799 [INFO] extracting crate hindley-milner 0.1.0 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate hindley-milner 0.1.0 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 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-0/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f9afe0c82c3d7cc384e43398cd8c6f958990a0be350381bc9badbf863ca97052 [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" "f9afe0c82c3d7cc384e43398cd8c6f958990a0be350381bc9badbf863ca97052", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f9afe0c82c3d7cc384e43398cd8c6f958990a0be350381bc9badbf863ca97052", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f9afe0c82c3d7cc384e43398cd8c6f958990a0be350381bc9badbf863ca97052", kill_on_drop: false }` [INFO] [stdout] f9afe0c82c3d7cc384e43398cd8c6f958990a0be350381bc9badbf863ca97052 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] cf60d1d06052ad03f3f824c9ad758dd25d0a1e57b7c8296b1bf9a8b133ac5ce6 [INFO] running `Command { std: "docker" "start" "-a" "cf60d1d06052ad03f3f824c9ad758dd25d0a1e57b7c8296b1bf9a8b133ac5ce6", kill_on_drop: false }` [INFO] [stderr] Compiling maplit v0.1.6 [INFO] [stderr] Compiling hindley-milner v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred [INFO] [stdout] --> src/lib.rs:206:1 [INFO] [stdout] | [INFO] [stdout] 206 | / lazy_static! { [INFO] [stdout] 207 | | // Basic integer [INFO] [stdout] 208 | | static ref INTEGER: Type = Type::new_operator(0, "int", &[]); [INFO] [stdout] 209 | | // Basic bool [INFO] [stdout] 210 | | static ref BOOL: Type = Type::new_operator(1, "bool", &[]); [INFO] [stdout] 211 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred [INFO] [stdout] --> src/lib.rs:206:1 [INFO] [stdout] | [INFO] [stdout] 206 | / lazy_static! { [INFO] [stdout] 207 | | // Basic integer [INFO] [stdout] 208 | | static ref INTEGER: Type = Type::new_operator(0, "int", &[]); [INFO] [stdout] 209 | | // Basic bool [INFO] [stdout] 210 | | static ref BOOL: Type = Type::new_operator(1, "bool", &[]); [INFO] [stdout] 211 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Namer` [INFO] [stdout] --> src/lib.rs:77:8 [INFO] [stdout] | [INFO] [stdout] 77 | struct Namer { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `next` [INFO] [stdout] --> src/lib.rs:83:8 [INFO] [stdout] | [INFO] [stdout] 83 | fn next(&mut self) -> String { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `name` [INFO] [stdout] --> src/lib.rs:89:8 [INFO] [stdout] | [INFO] [stdout] 89 | fn name(&mut self, t: ArenaType) -> String { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `id` [INFO] [stdout] --> src/lib.rs:124:8 [INFO] [stdout] | [INFO] [stdout] 124 | fn id(&self) -> usize { [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `as_string` [INFO] [stdout] --> src/lib.rs:146:8 [INFO] [stdout] | [INFO] [stdout] 146 | fn as_string(&self, a: &Vec, namer: &mut Namer) -> String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_env` [INFO] [stdout] --> src/lib.rs:537:4 [INFO] [stdout] | [INFO] [stdout] 537 | fn test_env() -> (Vec, Env) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.24s [INFO] running `Command { std: "docker" "inspect" "cf60d1d06052ad03f3f824c9ad758dd25d0a1e57b7c8296b1bf9a8b133ac5ce6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cf60d1d06052ad03f3f824c9ad758dd25d0a1e57b7c8296b1bf9a8b133ac5ce6", kill_on_drop: false }` [INFO] [stdout] cf60d1d06052ad03f3f824c9ad758dd25d0a1e57b7c8296b1bf9a8b133ac5ce6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] ee315fbfda6292cc1458caf6c1a50b5581439e5d0111dede96b02aaa1c63d84f [INFO] running `Command { std: "docker" "start" "-a" "ee315fbfda6292cc1458caf6c1a50b5581439e5d0111dede96b02aaa1c63d84f", kill_on_drop: false }` [INFO] [stderr] Compiling hindley-milner v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred [INFO] [stdout] --> src/lib.rs:206:1 [INFO] [stdout] | [INFO] [stdout] 206 | / lazy_static! { [INFO] [stdout] 207 | | // Basic integer [INFO] [stdout] 208 | | static ref INTEGER: Type = Type::new_operator(0, "int", &[]); [INFO] [stdout] 209 | | // Basic bool [INFO] [stdout] 210 | | static ref BOOL: Type = Type::new_operator(1, "bool", &[]); [INFO] [stdout] 211 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred [INFO] [stdout] --> src/lib.rs:206:1 [INFO] [stdout] | [INFO] [stdout] 206 | / lazy_static! { [INFO] [stdout] 207 | | // Basic integer [INFO] [stdout] 208 | | static ref INTEGER: Type = Type::new_operator(0, "int", &[]); [INFO] [stdout] 209 | | // Basic bool [INFO] [stdout] 210 | | static ref BOOL: Type = Type::new_operator(1, "bool", &[]); [INFO] [stdout] 211 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.67s [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "ee315fbfda6292cc1458caf6c1a50b5581439e5d0111dede96b02aaa1c63d84f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ee315fbfda6292cc1458caf6c1a50b5581439e5d0111dede96b02aaa1c63d84f", kill_on_drop: false }` [INFO] [stdout] ee315fbfda6292cc1458caf6c1a50b5581439e5d0111dede96b02aaa1c63d84f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 284cb704abaccb7f4553159bc6775860a5107ad5ed93124b7da58fcaf1d770aa [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" "284cb704abaccb7f4553159bc6775860a5107ad5ed93124b7da58fcaf1d770aa", kill_on_drop: false }` [INFO] [stderr] warning: use of deprecated constant `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 the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: use of deprecated constant `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 the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: `hindley-milner` (lib test) generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/hindley_milner-fbb893667b307918) [INFO] [stdout] [INFO] [stdout] running 9 tests [INFO] [stdout] test test_factorial ... ok [INFO] [stdout] test test_fun ... ok [INFO] [stdout] test test_mul ... ok [INFO] [stdout] test test_int ... ok [INFO] [stdout] test test_composition ... ok [INFO] [stdout] test test_generic_nongeneric ... ok [INFO] [stdout] test test_recursive - should panic ... ok [INFO] [stdout] test test_mismatch - should panic ... ok [INFO] [stdout] test test_pair - should panic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "284cb704abaccb7f4553159bc6775860a5107ad5ed93124b7da58fcaf1d770aa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "284cb704abaccb7f4553159bc6775860a5107ad5ed93124b7da58fcaf1d770aa", kill_on_drop: false }` [INFO] [stdout] 284cb704abaccb7f4553159bc6775860a5107ad5ed93124b7da58fcaf1d770aa