[INFO] cloning repository https://github.com/Johan-Mi/linear_lisp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Johan-Mi/linear_lisp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohan-Mi%2Flinear_lisp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohan-Mi%2Flinear_lisp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3c58ab6d0cbf29d878d92c21300268ec591ddb71
[INFO] checking Johan-Mi/linear_lisp against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohan-Mi%2Flinear_lisp" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Johan-Mi/linear_lisp on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Johan-Mi/linear_lisp
[INFO] finished tweaking git repo https://github.com/Johan-Mi/linear_lisp
[INFO] tweaked toml for git repo https://github.com/Johan-Mi/linear_lisp written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/Johan-Mi/linear_lisp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 99c013630f432fddadceb5f14bbbcc7c308814b90b164343545f56c9e0a949ec
[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" "99c013630f432fddadceb5f14bbbcc7c308814b90b164343545f56c9e0a949ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99c013630f432fddadceb5f14bbbcc7c308814b90b164343545f56c9e0a949ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99c013630f432fddadceb5f14bbbcc7c308814b90b164343545f56c9e0a949ec", kill_on_drop: false }`
[INFO] [stdout] 99c013630f432fddadceb5f14bbbcc7c308814b90b164343545f56c9e0a949ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1043ee74b60d0c15af4b35eb43524728bf24e35d54d59a66942c76d6d06134a
[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" "c1043ee74b60d0c15af4b35eb43524728bf24e35d54d59a66942c76d6d06134a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.59
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking linear_lisp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `SwapWithCarAtom`
[INFO] [stdout]  --> src/error.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     SwapWithCarAtom,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SwapWithCdrAtom`
[INFO] [stdout]  --> src/error.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     SwapWithCdrAtom,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PopIntoNonNil`
[INFO] [stdout]   --> src/error.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     PopIntoNonNil,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PopFromAtom`
[INFO] [stdout]   --> src/error.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     PopFromAtom,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `CopyIntoNonNil`
[INFO] [stdout]   --> src/error.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     CopyIntoNonNil,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `swap`
[INFO] [stdout]  --> src/functions.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn swap(a: &mut Value, b: &mut Value) {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `swap_with_car`
[INFO] [stdout]  --> src/functions.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn swap_with_car(a: &mut Value, b: &mut Value) -> Result<(), Error> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `swap_with_cdr`
[INFO] [stdout]   --> src/functions.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn swap_with_cdr(a: &mut Value, b: &mut Value) -> Result<(), Error> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `eq`
[INFO] [stdout]   --> src/functions.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn eq(lhs: &Atom, rhs: &Atom) -> bool {
[INFO] [stdout]    |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `assign`
[INFO] [stdout]   --> src/functions.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn assign(dest: &mut Atom, src: Atom) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `push`
[INFO] [stdout]   --> src/functions.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn push(a: &mut Value, b: &mut Value) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pop`
[INFO] [stdout]   --> src/functions.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub fn pop(a: &mut Value, b: &mut Value) -> Result<(), Error> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `free`
[INFO] [stdout]   --> src/functions.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub fn free(v: &mut Value) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `copy`
[INFO] [stdout]   --> src/functions.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub fn copy(src: &Value, dest: &mut Value) -> Result<(), Error> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `equal`
[INFO] [stdout]   --> src/functions.rs:74:8
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub fn equal(lhs: &Value, rhs: &Value) -> bool {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Nil`
[INFO] [stdout]   --> src/types.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Nil,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Symbol`
[INFO] [stdout]   --> src/types.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Symbol(Symbol),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Atom`
[INFO] [stdout]   --> src/types.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Atom(Atom),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Cons`
[INFO] [stdout]   --> src/types.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     Cons(Cons),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_nil`
[INFO] [stdout]   --> src/types.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn is_nil(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_atom`
[INFO] [stdout]   --> src/types.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn is_atom(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SwapWithCarAtom`
[INFO] [stdout]  --> src/error.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     SwapWithCarAtom,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SwapWithCdrAtom`
[INFO] [stdout]  --> src/error.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     SwapWithCdrAtom,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PopIntoNonNil`
[INFO] [stdout]   --> src/error.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     PopIntoNonNil,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PopFromAtom`
[INFO] [stdout]   --> src/error.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     PopFromAtom,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `CopyIntoNonNil`
[INFO] [stdout]   --> src/error.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     CopyIntoNonNil,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `swap`
[INFO] [stdout]  --> src/functions.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn swap(a: &mut Value, b: &mut Value) {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `swap_with_car`
[INFO] [stdout]  --> src/functions.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn swap_with_car(a: &mut Value, b: &mut Value) -> Result<(), Error> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `swap_with_cdr`
[INFO] [stdout]   --> src/functions.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn swap_with_cdr(a: &mut Value, b: &mut Value) -> Result<(), Error> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `eq`
[INFO] [stdout]   --> src/functions.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn eq(lhs: &Atom, rhs: &Atom) -> bool {
[INFO] [stdout]    |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `assign`
[INFO] [stdout]   --> src/functions.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn assign(dest: &mut Atom, src: Atom) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `push`
[INFO] [stdout]   --> src/functions.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn push(a: &mut Value, b: &mut Value) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pop`
[INFO] [stdout]   --> src/functions.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub fn pop(a: &mut Value, b: &mut Value) -> Result<(), Error> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `free`
[INFO] [stdout]   --> src/functions.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub fn free(v: &mut Value) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `copy`
[INFO] [stdout]   --> src/functions.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub fn copy(src: &Value, dest: &mut Value) -> Result<(), Error> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `equal`
[INFO] [stdout]   --> src/functions.rs:74:8
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub fn equal(lhs: &Value, rhs: &Value) -> bool {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Nil`
[INFO] [stdout]   --> src/types.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Nil,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Symbol`
[INFO] [stdout]   --> src/types.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Symbol(Symbol),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Atom`
[INFO] [stdout]   --> src/types.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Atom(Atom),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Cons`
[INFO] [stdout]   --> src/types.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     Cons(Cons),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_nil`
[INFO] [stdout]   --> src/types.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn is_nil(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_atom`
[INFO] [stdout]   --> src/types.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn is_atom(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.30s
[INFO] running `Command { std: "docker" "inspect" "c1043ee74b60d0c15af4b35eb43524728bf24e35d54d59a66942c76d6d06134a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1043ee74b60d0c15af4b35eb43524728bf24e35d54d59a66942c76d6d06134a", kill_on_drop: false }`
[INFO] [stdout] c1043ee74b60d0c15af4b35eb43524728bf24e35d54d59a66942c76d6d06134a