[INFO] cloning repository https://github.com/Guaschman/hm-interpreter [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Guaschman/hm-interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGuaschman%2Fhm-interpreter", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGuaschman%2Fhm-interpreter'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4a94ae4fa5d4dd7c3849dc6d9075a3e1748a973d [INFO] testing Guaschman/hm-interpreter against beta-2022-02-22 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGuaschman%2Fhm-interpreter" "/workspace/builds/worker-49/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-49/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Guaschman/hm-interpreter on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Guaschman/hm-interpreter [INFO] finished tweaking git repo https://github.com/Guaschman/hm-interpreter [INFO] tweaked toml for git repo https://github.com/Guaschman/hm-interpreter written to /workspace/builds/worker-49/source/Cargo.toml [INFO] crate git repo https://github.com/Guaschman/hm-interpreter already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded nom-trace v0.1.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 39667782f540fe8d12953bcb94fbfcec181daf6c19dacf988c552e1941f32d28 [INFO] running `Command { std: "docker" "start" "-a" "39667782f540fe8d12953bcb94fbfcec181daf6c19dacf988c552e1941f32d28", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "39667782f540fe8d12953bcb94fbfcec181daf6c19dacf988c552e1941f32d28", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "39667782f540fe8d12953bcb94fbfcec181daf6c19dacf988c552e1941f32d28", kill_on_drop: false }` [INFO] [stdout] 39667782f540fe8d12953bcb94fbfcec181daf6c19dacf988c552e1941f32d28 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 03edf9388f7adeac759a24825e02cca46d9f7353a740aaea3f5ce8267aefd674 [INFO] running `Command { std: "docker" "start" "-a" "03edf9388f7adeac759a24825e02cca46d9f7353a740aaea3f5ce8267aefd674", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling libc v0.2.119 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling lexical-core v0.7.6 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling arrayvec v0.5.2 [INFO] [stderr] Compiling ryu v1.0.9 [INFO] [stderr] Compiling static_assertions v1.1.0 [INFO] [stderr] Compiling rustc-serialize v0.3.24 [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Compiling nom v5.1.2 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling rand v0.3.23 [INFO] [stderr] Compiling nom-trace v0.1.0 [INFO] [stderr] Compiling uuid v0.1.18 [INFO] [stderr] Compiling hm-interpreter v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function is never used: `extend` [INFO] [stdout] --> src/type_checker.rs:48:8 [INFO] [stdout] | [INFO] [stdout] 48 | fn extend(mut self, (v, s): (Var, Scheme)) { [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: `remove` [INFO] [stdout] --> src/type_checker.rs:53:8 [INFO] [stdout] | [INFO] [stdout] 53 | fn remove(mut self, var: Var) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::collections::btree_set::Union` that must be used [INFO] [stdout] --> src/type_checker.rs:100:17 [INFO] [stdout] | [INFO] [stdout] 100 | set.union(&a1.ftv()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this returns the union as an iterator, without modifying either input set [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::collections::btree_set::Union` that must be used [INFO] [stdout] --> src/type_checker.rs:101:17 [INFO] [stdout] | [INFO] [stdout] 101 | set.union(&a2.ftv()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this returns the union as an iterator, without modifying either input set [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::collections::btree_set::Union` that must be used [INFO] [stdout] --> src/type_checker.rs:127:17 [INFO] [stdout] | [INFO] [stdout] 127 | set.union(&t.ftv()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this returns the union as an iterator, without modifying either input set [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::collections::btree_set::Difference` that must be used [INFO] [stdout] --> src/type_checker.rs:128:17 [INFO] [stdout] | [INFO] [stdout] 128 | set.difference(&BTreeSet::from_iter(tv.iter().cloned())); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this returns the difference as an iterator, without modifying either input set [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 27s [INFO] running `Command { std: "docker" "inspect" "03edf9388f7adeac759a24825e02cca46d9f7353a740aaea3f5ce8267aefd674", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "03edf9388f7adeac759a24825e02cca46d9f7353a740aaea3f5ce8267aefd674", kill_on_drop: false }` [INFO] [stdout] 03edf9388f7adeac759a24825e02cca46d9f7353a740aaea3f5ce8267aefd674 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b08ab38b439894f8895b0ec6c307364d5df6653c83236464313be3a706d9f33d [INFO] running `Command { std: "docker" "start" "-a" "b08ab38b439894f8895b0ec6c307364d5df6653c83236464313be3a706d9f33d", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling hm-interpreter v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function is never used: `extend` [INFO] [stdout] --> src/type_checker.rs:48:8 [INFO] [stdout] | [INFO] [stdout] 48 | fn extend(mut self, (v, s): (Var, Scheme)) { [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: `remove` [INFO] [stdout] --> src/type_checker.rs:53:8 [INFO] [stdout] | [INFO] [stdout] 53 | fn remove(mut self, var: Var) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::collections::btree_set::Union` that must be used [INFO] [stdout] --> src/type_checker.rs:100:17 [INFO] [stdout] | [INFO] [stdout] 100 | set.union(&a1.ftv()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this returns the union as an iterator, without modifying either input set [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::collections::btree_set::Union` that must be used [INFO] [stdout] --> src/type_checker.rs:101:17 [INFO] [stdout] | [INFO] [stdout] 101 | set.union(&a2.ftv()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this returns the union as an iterator, without modifying either input set [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::collections::btree_set::Union` that must be used [INFO] [stdout] --> src/type_checker.rs:127:17 [INFO] [stdout] | [INFO] [stdout] 127 | set.union(&t.ftv()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this returns the union as an iterator, without modifying either input set [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::collections::btree_set::Difference` that must be used [INFO] [stdout] --> src/type_checker.rs:128:17 [INFO] [stdout] | [INFO] [stdout] 128 | set.difference(&BTreeSet::from_iter(tv.iter().cloned())); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this returns the difference as an iterator, without modifying either input set [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.08s [INFO] running `Command { std: "docker" "inspect" "b08ab38b439894f8895b0ec6c307364d5df6653c83236464313be3a706d9f33d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b08ab38b439894f8895b0ec6c307364d5df6653c83236464313be3a706d9f33d", kill_on_drop: false }` [INFO] [stdout] b08ab38b439894f8895b0ec6c307364d5df6653c83236464313be3a706d9f33d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 64ac50b35a9b46229945bbbd40e32db713a0350401c69f3597e824048f5da293 [INFO] running `Command { std: "docker" "start" "-a" "64ac50b35a9b46229945bbbd40e32db713a0350401c69f3597e824048f5da293", kill_on_drop: false }` [INFO] [stderr] warning: associated function is never used: `extend` [INFO] [stderr] --> src/type_checker.rs:48:8 [INFO] [stderr] | [INFO] [stderr] 48 | fn extend(mut self, (v, s): (Var, Scheme)) { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `remove` [INFO] [stderr] --> src/type_checker.rs:53:8 [INFO] [stderr] | [INFO] [stderr] 53 | fn remove(mut self, var: Var) { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::collections::btree_set::Union` that must be used [INFO] [stderr] --> src/type_checker.rs:100:17 [INFO] [stderr] | [INFO] [stderr] 100 | set.union(&a1.ftv()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this returns the union as an iterator, without modifying either input set [INFO] [stderr] [INFO] [stderr] warning: unused `std::collections::btree_set::Union` that must be used [INFO] [stderr] --> src/type_checker.rs:101:17 [INFO] [stderr] | [INFO] [stderr] 101 | set.union(&a2.ftv()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this returns the union as an iterator, without modifying either input set [INFO] [stderr] [INFO] [stderr] warning: unused `std::collections::btree_set::Union` that must be used [INFO] [stderr] --> src/type_checker.rs:127:17 [INFO] [stderr] | [INFO] [stderr] 127 | set.union(&t.ftv()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this returns the union as an iterator, without modifying either input set [INFO] [stderr] [INFO] [stderr] warning: unused `std::collections::btree_set::Difference` that must be used [INFO] [stderr] --> src/type_checker.rs:128:17 [INFO] [stderr] | [INFO] [stderr] 128 | set.difference(&BTreeSet::from_iter(tv.iter().cloned())); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this returns the difference as an iterator, without modifying either input set [INFO] [stderr] [INFO] [stderr] warning: `hm-interpreter` (bin "hm-interpreter" test) generated 6 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/hm_interpreter-2f06c80350458fa7) [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" "64ac50b35a9b46229945bbbd40e32db713a0350401c69f3597e824048f5da293", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "64ac50b35a9b46229945bbbd40e32db713a0350401c69f3597e824048f5da293", kill_on_drop: false }` [INFO] [stdout] 64ac50b35a9b46229945bbbd40e32db713a0350401c69f3597e824048f5da293