[INFO] cloning repository https://github.com/AR2202/RustySKI
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AR2202/RustySKI" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAR2202%2FRustySKI", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAR2202%2FRustySKI'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c1c8a945f9a13f7e6402350464c16ebd1e739352
[INFO] building AR2202/RustySKI against try#334963c956d25708feab489a3816ae63f639355d for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAR2202%2FRustySKI" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AR2202/RustySKI on toolchain 334963c956d25708feab489a3816ae63f639355d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AR2202/RustySKI
[INFO] finished tweaking git repo https://github.com/AR2202/RustySKI
[INFO] tweaked toml for git repo https://github.com/AR2202/RustySKI written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/AR2202/RustySKI already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 19 packages to latest compatible versions
[INFO] [stderr]       Adding aho-corasick v1.1.3
[INFO] [stderr]       Adding cfg-if v1.0.0
[INFO] [stderr]       Adding env_logger v0.8.4
[INFO] [stderr]       Adding getrandom v0.2.15
[INFO] [stderr]       Adding libc v0.2.169
[INFO] [stderr]       Adding log v0.4.22
[INFO] [stderr]       Adding memchr v2.7.4
[INFO] [stderr]       Adding proc-macro2 v1.0.92
[INFO] [stderr]       Adding quickcheck v1.0.3
[INFO] [stderr]       Adding quickcheck_macros v1.0.0
[INFO] [stderr]       Adding quote v1.0.38
[INFO] [stderr]       Adding rand v0.8.5
[INFO] [stderr]       Adding rand_core v0.6.4
[INFO] [stderr]       Adding regex v1.11.1
[INFO] [stderr]       Adding regex-automata v0.4.9
[INFO] [stderr]       Adding regex-syntax v0.8.5
[INFO] [stderr]       Adding syn v1.0.109
[INFO] [stderr]       Adding unicode-ident v1.0.14
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3eb244c2385300aa5a7f5a4d3431b89a0cf413f1c45c45460f62fba61241736b
[INFO] running `Command { std: "docker" "start" "-a" "3eb244c2385300aa5a7f5a4d3431b89a0cf413f1c45c45460f62fba61241736b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3eb244c2385300aa5a7f5a4d3431b89a0cf413f1c45c45460f62fba61241736b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3eb244c2385300aa5a7f5a4d3431b89a0cf413f1c45c45460f62fba61241736b", kill_on_drop: false }`
[INFO] [stdout] 3eb244c2385300aa5a7f5a4d3431b89a0cf413f1c45c45460f62fba61241736b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49307bcac38e74ce06fd294c9f440c41a304fc05a52b02f9a751e32f865f7dd9
[INFO] running `Command { std: "docker" "start" "-a" "49307bcac38e74ce06fd294c9f440c41a304fc05a52b02f9a751e32f865f7dd9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling quickcheck_macros v1.0.0
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling quickcheck v1.0.3
[INFO] [stderr]    Compiling RustySKI v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/ast.rs:50:30
[INFO] [stdout]    |
[INFO] [stdout] 50 |             SKI::Application(x) => write!(f, "{:?}({:?})", self.combinator, self.arg),
[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: unused variable: `i`
[INFO] [stdout]   --> src/parser.rs:24:19
[INFO] [stdout]    |
[INFO] [stdout] 24 |         .filter(|(i, c)| *c == '(')
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/parser.rs:25:19
[INFO] [stdout]    |
[INFO] [stdout] 25 |         .map(|(i, c)| i)
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/parser.rs:29:19
[INFO] [stdout]    |
[INFO] [stdout] 29 |         .filter(|(i, c)| *c == ')')
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/parser.rs:30:19
[INFO] [stdout]    |
[INFO] [stdout] 30 |         .map(|(i, c)| i)
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `reverse` is never used
[INFO] [stdout]   --> src/eval.rs:49:4
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn reverse<T: Clone>(xs: &[T]) -> Vec<T> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `RustySKI` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `rusty_ski`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[macro_use]` only has an effect on `extern crate` and modules
[INFO] [stdout]  --> src/main.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.08s
[INFO] running `Command { std: "docker" "inspect" "49307bcac38e74ce06fd294c9f440c41a304fc05a52b02f9a751e32f865f7dd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49307bcac38e74ce06fd294c9f440c41a304fc05a52b02f9a751e32f865f7dd9", kill_on_drop: false }`
[INFO] [stdout] 49307bcac38e74ce06fd294c9f440c41a304fc05a52b02f9a751e32f865f7dd9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0060057e812743e39c5663bd153646e268e0115c4ba96bace96bae54ae67b8a6
[INFO] running `Command { std: "docker" "start" "-a" "0060057e812743e39c5663bd153646e268e0115c4ba96bace96bae54ae67b8a6", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/ast.rs:50:30
[INFO] [stdout]    |
[INFO] [stdout] 50 |             SKI::Application(x) => write!(f, "{:?}({:?})", self.combinator, self.arg),
[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: unused variable: `i`
[INFO] [stdout]   --> src/parser.rs:24:19
[INFO] [stdout]    |
[INFO] [stdout] 24 |         .filter(|(i, c)| *c == '(')
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/parser.rs:25:19
[INFO] [stdout]    |
[INFO] [stdout] 25 |         .map(|(i, c)| i)
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/parser.rs:29:19
[INFO] [stdout]    |
[INFO] [stdout] 29 |         .filter(|(i, c)| *c == ')')
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/parser.rs:30:19
[INFO] [stdout]    |
[INFO] [stdout] 30 |         .map(|(i, c)| i)
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling RustySKI v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `reverse` is never used
[INFO] [stdout]   --> src/eval.rs:49:4
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn reverse<T: Clone>(xs: &[T]) -> Vec<T> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `RustySKI` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `rusty_ski`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[macro_use]` only has an effect on `extern crate` and modules
[INFO] [stdout]  --> src/main.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/ast.rs:50:30
[INFO] [stdout]    |
[INFO] [stdout] 50 |             SKI::Application(x) => write!(f, "{:?}({:?})", self.combinator, self.arg),
[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: unused variable: `i`
[INFO] [stdout]   --> src/parser.rs:24:19
[INFO] [stdout]    |
[INFO] [stdout] 24 |         .filter(|(i, c)| *c == '(')
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/parser.rs:25:19
[INFO] [stdout]    |
[INFO] [stdout] 25 |         .map(|(i, c)| i)
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/parser.rs:29:19
[INFO] [stdout]    |
[INFO] [stdout] 29 |         .filter(|(i, c)| *c == ')')
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/parser.rs:30:19
[INFO] [stdout]    |
[INFO] [stdout] 30 |         .map(|(i, c)| i)
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `reverse` is never used
[INFO] [stdout]   --> src/eval.rs:49:4
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn reverse<T: Clone>(xs: &[T]) -> Vec<T> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `prop_I_identity` should have a snake case name
[INFO] [stdout]   --> src/eval.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 |     fn prop_I_identity(ski: ast::SKI) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `prop_i_identity`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "0060057e812743e39c5663bd153646e268e0115c4ba96bace96bae54ae67b8a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0060057e812743e39c5663bd153646e268e0115c4ba96bace96bae54ae67b8a6", kill_on_drop: false }`
[INFO] [stdout] 0060057e812743e39c5663bd153646e268e0115c4ba96bace96bae54ae67b8a6
