[INFO] cloning repository https://github.com/JonathanArns/skim-lisp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JonathanArns/skim-lisp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJonathanArns%2Fskim-lisp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJonathanArns%2Fskim-lisp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c4d1b8a767e17d703ad1bbf85679c9fcbc023c4b
[INFO] checking JonathanArns/skim-lisp against try#9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c for pr-79472
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJonathanArns%2Fskim-lisp" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JonathanArns/skim-lisp on toolchain 9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JonathanArns/skim-lisp
[INFO] finished tweaking git repo https://github.com/JonathanArns/skim-lisp
[INFO] tweaked toml for git repo https://github.com/JonathanArns/skim-lisp written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/JonathanArns/skim-lisp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dirs-next v1.0.1
[INFO] [stderr]   Downloaded utf8parse v0.2.0
[INFO] [stderr]   Downloaded rustyline v6.3.0
[INFO] [stderr]   Downloaded cc v1.0.60
[INFO] [stderr]   Downloaded dirs-sys-next v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec1f74861cd92310dbb07c5bef457a68d83a6d97042c1fbc944815fe1a640ba9
[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" "ec1f74861cd92310dbb07c5bef457a68d83a6d97042c1fbc944815fe1a640ba9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec1f74861cd92310dbb07c5bef457a68d83a6d97042c1fbc944815fe1a640ba9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec1f74861cd92310dbb07c5bef457a68d83a6d97042c1fbc944815fe1a640ba9", kill_on_drop: false }`
[INFO] [stdout] ec1f74861cd92310dbb07c5bef457a68d83a6d97042c1fbc944815fe1a640ba9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b67af4aae27c9ab06fa06e6173e5448e20956689a5d73d0a8146dfc3a505b5a
[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" "2b67af4aae27c9ab06fa06e6173e5448e20956689a5d73d0a8146dfc3a505b5a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking dirs-sys-next v0.1.0
[INFO] [stderr]     Checking dirs-next v1.0.1
[INFO] [stderr]     Checking rustyline v6.3.0
[INFO] [stderr]     Checking skim-lisp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/primitives/primitives.rs:80:13
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let x = loop {
[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: `clause`
[INFO] [stdout]   --> src/primitives/primitives.rs:82:32
[INFO] [stdout]    |
[INFO] [stdout] 82 |                 Some(Exp::Pair(clause)) => {
[INFO] [stdout]    |                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_clause`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/primitives/primitives.rs:174:19
[INFO] [stdout]     |
[INFO] [stdout] 174 | pub fn prim_quote(env: &mut Env, args: Exp) -> Result<Exp, LispErr> {
[INFO] [stdout]     |                   ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/primitives/primitives.rs:174:34
[INFO] [stdout]     |
[INFO] [stdout] 174 | pub fn prim_quote(env: &mut Env, args: Exp) -> Result<Exp, LispErr> {
[INFO] [stdout]     |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/primitives/primitives.rs:80:13
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let x = loop {
[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: `clause`
[INFO] [stdout]   --> src/primitives/primitives.rs:82:32
[INFO] [stdout]    |
[INFO] [stdout] 82 |                 Some(Exp::Pair(clause)) => {
[INFO] [stdout]    |                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_clause`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/primitives/primitives.rs:174:19
[INFO] [stdout]     |
[INFO] [stdout] 174 | pub fn prim_quote(env: &mut Env, args: Exp) -> Result<Exp, LispErr> {
[INFO] [stdout]     |                   ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/primitives/primitives.rs:174:34
[INFO] [stdout]     |
[INFO] [stdout] 174 | pub fn prim_quote(env: &mut Env, args: Exp) -> Result<Exp, LispErr> {
[INFO] [stdout]     |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/primitives/util.rs:193:26
[INFO] [stdout]     |
[INFO] [stdout] 193 |         if let Exp::Pair(mut list) = $ex {
[INFO] [stdout]     |                          ----^^^^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          help: remove this `mut`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/primitives/primitives.rs:8:16
[INFO] [stdout]     |
[INFO] [stdout] 8   |     let list = args!(env, args, ""; (->..Exp::Number))?;
[INFO] [stdout]     |                --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Boolean`
[INFO] [stdout]   --> src/ast.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     Boolean(bool),
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Char`
[INFO] [stdout]   --> src/ast.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     Char(char),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Vector`
[INFO] [stdout]   --> src/ast.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     Vector(Vec<Exp>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `prim_quote`
[INFO] [stdout]    --> src/primitives/primitives.rs:174:8
[INFO] [stdout]     |
[INFO] [stdout] 174 | pub fn prim_quote(env: &mut Env, args: Exp) -> Result<Exp, LispErr> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/primitives/util.rs:193:26
[INFO] [stdout]     |
[INFO] [stdout] 193 |         if let Exp::Pair(mut list) = $ex {
[INFO] [stdout]     |                          ----^^^^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          help: remove this `mut`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/primitives/primitives.rs:8:16
[INFO] [stdout]     |
[INFO] [stdout] 8   |     let list = args!(env, args, ""; (->..Exp::Number))?;
[INFO] [stdout]     |                --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Boolean`
[INFO] [stdout]   --> src/ast.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     Boolean(bool),
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Char`
[INFO] [stdout]   --> src/ast.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     Char(char),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Vector`
[INFO] [stdout]   --> src/ast.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     Vector(Vec<Exp>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `prim_quote`
[INFO] [stdout]    --> src/primitives/primitives.rs:174:8
[INFO] [stdout]     |
[INFO] [stdout] 174 | pub fn prim_quote(env: &mut Env, args: Exp) -> Result<Exp, LispErr> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.81s
[INFO] running `Command { std: "docker" "inspect" "2b67af4aae27c9ab06fa06e6173e5448e20956689a5d73d0a8146dfc3a505b5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b67af4aae27c9ab06fa06e6173e5448e20956689a5d73d0a8146dfc3a505b5a", kill_on_drop: false }`
[INFO] [stdout] 2b67af4aae27c9ab06fa06e6173e5448e20956689a5d73d0a8146dfc3a505b5a