[INFO] cloning repository https://github.com/AlexDikelsky/fp-interpreter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AlexDikelsky/fp-interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexDikelsky%2Ffp-interpreter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexDikelsky%2Ffp-interpreter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] af1be6b163d94234473f48054103869d22fb0320
[INFO] testing AlexDikelsky/fp-interpreter against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexDikelsky%2Ffp-interpreter" "/workspace/builds/worker-114/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-114/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AlexDikelsky/fp-interpreter on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AlexDikelsky/fp-interpreter
[INFO] finished tweaking git repo https://github.com/AlexDikelsky/fp-interpreter
[INFO] tweaked toml for git repo https://github.com/AlexDikelsky/fp-interpreter written to /workspace/builds/worker-114/source/Cargo.toml
[INFO] crate git repo https://github.com/AlexDikelsky/fp-interpreter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 658bd438bb3783edbaeb5fd1a66c5cec4c0333732d9674085da32bf48e29021c
[INFO] running `Command { std: "docker" "start" "-a" "658bd438bb3783edbaeb5fd1a66c5cec4c0333732d9674085da32bf48e29021c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "658bd438bb3783edbaeb5fd1a66c5cec4c0333732d9674085da32bf48e29021c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "658bd438bb3783edbaeb5fd1a66c5cec4c0333732d9674085da32bf48e29021c", kill_on_drop: false }`
[INFO] [stdout] 658bd438bb3783edbaeb5fd1a66c5cec4c0333732d9674085da32bf48e29021c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3c45286d6998cf4b14f2c0bb66ea016c0bb6ec2ce43eed4cc9e06782100c147
[INFO] running `Command { std: "docker" "start" "-a" "b3c45286d6998cf4b14f2c0bb66ea016c0bb6ec2ce43eed4cc9e06782100c147", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling itertools v0.10.0
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]    Compiling fp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bool_fns.rs:28:45
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn bool_fn<'a>(x: Option<AtomOrSeq>, f: Box<Fn(bool, bool) -> bool>) -> Option<AtomOrSeq> {
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(bool, bool) -> bool`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:49:21
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let fs: Vec<Box<Fn(usize) -> usize>> = vec![Box::new(p), Box::new(|x| x + 2)];
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize) -> usize`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/functional_forms.rs:78:19
[INFO] [stdout]    |
[INFO] [stdout] 78 |         Box::new(|x| None)
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Object`
[INFO] [stdout]  --> src/sets.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Object(Option<AtomOrSeq<'a>>),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Function`
[INFO] [stdout]  --> src/sets.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Function,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FunctionalForm`
[INFO] [stdout]   --> src/sets.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     FunctionalForm,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Definition`
[INFO] [stdout]   --> src/sets.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Definition
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.75s
[INFO] running `Command { std: "docker" "inspect" "b3c45286d6998cf4b14f2c0bb66ea016c0bb6ec2ce43eed4cc9e06782100c147", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3c45286d6998cf4b14f2c0bb66ea016c0bb6ec2ce43eed4cc9e06782100c147", kill_on_drop: false }`
[INFO] [stdout] b3c45286d6998cf4b14f2c0bb66ea016c0bb6ec2ce43eed4cc9e06782100c147
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c2160cde24ed032b3f50403641f2791a3e52cf6fe6198854ab39c8d7e945238
[INFO] running `Command { std: "docker" "start" "-a" "4c2160cde24ed032b3f50403641f2791a3e52cf6fe6198854ab39c8d7e945238", kill_on_drop: false }`
[INFO] [stderr]    Compiling fp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bool_fns.rs:28:45
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn bool_fn<'a>(x: Option<AtomOrSeq>, f: Box<Fn(bool, bool) -> bool>) -> Option<AtomOrSeq> {
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(bool, bool) -> bool`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:49:21
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let fs: Vec<Box<Fn(usize) -> usize>> = vec![Box::new(p), Box::new(|x| x + 2)];
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize) -> usize`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/functional_forms.rs:78:19
[INFO] [stdout]    |
[INFO] [stdout] 78 |         Box::new(|x| None)
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Object`
[INFO] [stdout]  --> src/sets.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Object(Option<AtomOrSeq<'a>>),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Function`
[INFO] [stdout]  --> src/sets.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Function,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FunctionalForm`
[INFO] [stdout]   --> src/sets.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     FunctionalForm,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Definition`
[INFO] [stdout]   --> src/sets.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Definition
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "4c2160cde24ed032b3f50403641f2791a3e52cf6fe6198854ab39c8d7e945238", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c2160cde24ed032b3f50403641f2791a3e52cf6fe6198854ab39c8d7e945238", kill_on_drop: false }`
[INFO] [stdout] 4c2160cde24ed032b3f50403641f2791a3e52cf6fe6198854ab39c8d7e945238
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2b0744f1770090b7d09e46ec62d0496d36ee37776ae4f3b527bf6e3d49afd1e2
[INFO] running `Command { std: "docker" "start" "-a" "2b0744f1770090b7d09e46ec62d0496d36ee37776ae4f3b527bf6e3d49afd1e2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bool_fns.rs:28:45
[INFO] [stderr]    |
[INFO] [stderr] 28 | fn bool_fn<'a>(x: Option<AtomOrSeq>, f: Box<Fn(bool, bool) -> bool>) -> Option<AtomOrSeq> {
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(bool, bool) -> bool`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:49:21
[INFO] [stderr]    |
[INFO] [stderr] 49 |     let fs: Vec<Box<Fn(usize) -> usize>> = vec![Box::new(p), Box::new(|x| x + 2)];
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize) -> usize`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/functional_forms.rs:78:19
[INFO] [stderr]    |
[INFO] [stderr] 78 |         Box::new(|x| None)
[INFO] [stderr]    |                   ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Object`
[INFO] [stderr]  --> src/sets.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Object(Option<AtomOrSeq<'a>>),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Function`
[INFO] [stderr]  --> src/sets.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Function,
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FunctionalForm`
[INFO] [stderr]   --> src/sets.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     FunctionalForm,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Definition`
[INFO] [stderr]   --> src/sets.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     Definition
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `fp` (bin "fp" test) generated 7 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.29s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fp-204517a3fa4b9f8c)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test bool_test::and_test ... ok
[INFO] [stdout] test bool_test::b2 ... ok
[INFO] [stdout] test bool_test::or_test ... ok
[INFO] [stdout] test bool_test::eq_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2b0744f1770090b7d09e46ec62d0496d36ee37776ae4f3b527bf6e3d49afd1e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b0744f1770090b7d09e46ec62d0496d36ee37776ae4f3b527bf6e3d49afd1e2", kill_on_drop: false }`
[INFO] [stdout] 2b0744f1770090b7d09e46ec62d0496d36ee37776ae4f3b527bf6e3d49afd1e2