[INFO] updating cached repository https://github.com/memoryleak47/constraint-lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a17e347d8fe9b30c8533ab65fc57a1288bbf5dc6
[INFO] testing memoryleak47/constraint-lang against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmemoryleak47%2Fconstraint-lang" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/memoryleak47/constraint-lang on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/memoryleak47/constraint-lang
[INFO] finished tweaking git repo https://github.com/memoryleak47/constraint-lang
[INFO] tweaked toml for git repo https://github.com/memoryleak47/constraint-lang written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/memoryleak47/constraint-lang already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c682278aac24a0443ea9848cb996df0fe4f298271872a6aa817ca291df42f35
[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" "0c682278aac24a0443ea9848cb996df0fe4f298271872a6aa817ca291df42f35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c682278aac24a0443ea9848cb996df0fe4f298271872a6aa817ca291df42f35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c682278aac24a0443ea9848cb996df0fe4f298271872a6aa817ca291df42f35", kill_on_drop: false }`
[INFO] [stdout] 0c682278aac24a0443ea9848cb996df0fe4f298271872a6aa817ca291df42f35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=forbid" "-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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39787ba0e1b765e2a1dfb967b1849121b270d9cae9aadf8f3af7ceb96c85cfe6
[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" "39787ba0e1b765e2a1dfb967b1849121b270d9cae9aadf8f3af7ceb96c85cfe6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.39
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling productivity-lang-compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `String`
[INFO] [stdout]    --> src/ast/mod.rs:154:2
[INFO] [stdout]     |
[INFO] [stdout] 154 |     String(String),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Null`
[INFO] [stdout]    --> src/ast/mod.rs:156:2
[INFO] [stdout]     |
[INFO] [stdout] 156 |     Null, // the `null` expression
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Array`
[INFO] [stdout]    --> src/ast/mod.rs:159:2
[INFO] [stdout]     |
[INFO] [stdout] 159 |     Array(Vec<Expr>),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Tuple`
[INFO] [stdout]    --> src/ast/mod.rs:160:2
[INFO] [stdout]     |
[INFO] [stdout] 160 |     Tuple(Vec<Expr>),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Object`
[INFO] [stdout]    --> src/ast/mod.rs:161:2
[INFO] [stdout]     |
[INFO] [stdout] 161 |     Object(HashMap<String, Box<Expr>>), // { f = 2 }
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `dealloc`
[INFO] [stdout]   --> src/exec/heap.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn dealloc(&mut self, index: usize) -> Option<V> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.64s
[INFO] running `Command { std: "docker" "inspect" "39787ba0e1b765e2a1dfb967b1849121b270d9cae9aadf8f3af7ceb96c85cfe6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39787ba0e1b765e2a1dfb967b1849121b270d9cae9aadf8f3af7ceb96c85cfe6", kill_on_drop: false }`
[INFO] [stdout] 39787ba0e1b765e2a1dfb967b1849121b270d9cae9aadf8f3af7ceb96c85cfe6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=forbid" "-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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c6f824b9871a90ec2593b3bbeb6ead48045fb976781d82591f7bb53bfe676fa
[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" "9c6f824b9871a90ec2593b3bbeb6ead48045fb976781d82591f7bb53bfe676fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling productivity-lang-compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `String`
[INFO] [stdout]    --> src/ast/mod.rs:154:2
[INFO] [stdout]     |
[INFO] [stdout] 154 |     String(String),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Null`
[INFO] [stdout]    --> src/ast/mod.rs:156:2
[INFO] [stdout]     |
[INFO] [stdout] 156 |     Null, // the `null` expression
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Array`
[INFO] [stdout]    --> src/ast/mod.rs:159:2
[INFO] [stdout]     |
[INFO] [stdout] 159 |     Array(Vec<Expr>),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Tuple`
[INFO] [stdout]    --> src/ast/mod.rs:160:2
[INFO] [stdout]     |
[INFO] [stdout] 160 |     Tuple(Vec<Expr>),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Object`
[INFO] [stdout]    --> src/ast/mod.rs:161:2
[INFO] [stdout]     |
[INFO] [stdout] 161 |     Object(HashMap<String, Box<Expr>>), // { f = 2 }
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `dealloc`
[INFO] [stdout]   --> src/exec/heap.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn dealloc(&mut self, index: usize) -> Option<V> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.28s
[INFO] running `Command { std: "docker" "inspect" "9c6f824b9871a90ec2593b3bbeb6ead48045fb976781d82591f7bb53bfe676fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c6f824b9871a90ec2593b3bbeb6ead48045fb976781d82591f7bb53bfe676fa", kill_on_drop: false }`
[INFO] [stdout] 9c6f824b9871a90ec2593b3bbeb6ead48045fb976781d82591f7bb53bfe676fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=forbid" "-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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b9926565f079125b12f287134986d1149c9b1a8e9eae139e2cb24a51e5faf6ca
[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" "b9926565f079125b12f287134986d1149c9b1a8e9eae139e2cb24a51e5faf6ca", kill_on_drop: false }`
[INFO] [stderr] warning: variant is never constructed: `String`
[INFO] [stderr]    --> src/ast/mod.rs:154:2
[INFO] [stderr]     |
[INFO] [stderr] 154 |     String(String),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Null`
[INFO] [stderr]    --> src/ast/mod.rs:156:2
[INFO] [stderr]     |
[INFO] [stderr] 156 |     Null, // the `null` expression
[INFO] [stderr]     |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Array`
[INFO] [stderr]    --> src/ast/mod.rs:159:2
[INFO] [stderr]     |
[INFO] [stderr] 159 |     Array(Vec<Expr>),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Tuple`
[INFO] [stderr]    --> src/ast/mod.rs:160:2
[INFO] [stderr]     |
[INFO] [stderr] 160 |     Tuple(Vec<Expr>),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Object`
[INFO] [stderr]    --> src/ast/mod.rs:161:2
[INFO] [stderr]     |
[INFO] [stderr] 161 |     Object(HashMap<String, Box<Expr>>), // { f = 2 }
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `dealloc`
[INFO] [stderr]   --> src/exec/heap.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn dealloc(&mut self, index: usize) -> Option<V> {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/productivity_lang_compiler-393cfca58b480e31
[INFO] [stdout] running 8 tests
[INFO] [stdout] test ast::parse::expr::fun::test_empty_fun ... ok
[INFO] [stdout] test ast::parse::expr::fun_call::test1 ... ok
[INFO] [stdout] test ast::parse::keyword::test_parse_keyword_good ... ok
[INFO] [stdout] test ast::parse::test_fun_call ... ok
[INFO] [stdout] test ast::parse::expr::test_fun_call_expr_statement ... ok
[INFO] [stdout] test ast::parse::expr::test_fun_call_expr ... ok
[INFO] [stdout] test ast::parse::expr::fun::test_fun ... ok
[INFO] [stdout] test ast::parse::keyword::test_parse_keyword_bad ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b9926565f079125b12f287134986d1149c9b1a8e9eae139e2cb24a51e5faf6ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9926565f079125b12f287134986d1149c9b1a8e9eae139e2cb24a51e5faf6ca", kill_on_drop: false }`
[INFO] [stdout] b9926565f079125b12f287134986d1149c9b1a8e9eae139e2cb24a51e5faf6ca