[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] 7c4bd92fe5ff3416d075d81ec6d3dc73150a0fe6
[INFO] testing Johan-Mi/linear_lisp against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohan-Mi%2Flinear_lisp" "/workspace/builds/worker-102/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-102/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Johan-Mi/linear_lisp on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-102/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" "+1.60.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v1.0.59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a09fb213f9a70b2c290f6d784368d3472d8aa423f62ecae5f564c85e04a18f92
[INFO] running `Command { std: "docker" "start" "-a" "a09fb213f9a70b2c290f6d784368d3472d8aa423f62ecae5f564c85e04a18f92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a09fb213f9a70b2c290f6d784368d3472d8aa423f62ecae5f564c85e04a18f92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a09fb213f9a70b2c290f6d784368d3472d8aa423f62ecae5f564c85e04a18f92", kill_on_drop: false }`
[INFO] [stdout] a09fb213f9a70b2c290f6d784368d3472d8aa423f62ecae5f564c85e04a18f92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7b7ef709bcb25d9f3aedf671b74291c4835ed00fd9de585258c7aac0ab4f5da
[INFO] running `Command { std: "docker" "start" "-a" "e7b7ef709bcb25d9f3aedf671b74291c4835ed00fd9de585258c7aac0ab4f5da", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.59
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]    Compiling 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] note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/error.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[derive(Debug, Error)]
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[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] note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/error.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[derive(Debug, Error)]
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[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] note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/error.rs:3:10
[INFO] [stdout]    |
[INFO] [stdout] 3  | #[derive(Debug, Error)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[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] note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/error.rs:3:10
[INFO] [stdout]    |
[INFO] [stdout] 3  | #[derive(Debug, Error)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[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] note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/error.rs:3:10
[INFO] [stdout]    |
[INFO] [stdout] 3  | #[derive(Debug, Error)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `swap_with_car`
[INFO] [stdout]  --> src/functions.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | 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:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | 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:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | 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:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | 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:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | 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:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | 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:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 | 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:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 | 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:68:8
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub fn equal(lhs: &Value, rhs: &Value) -> bool {
[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] note: `Atom` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/types.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(Clone)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Cons`
[INFO] [stdout]   --> src/types.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     Cons(Cons),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Value` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/types.rs:23:10
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(Clone)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_nil`
[INFO] [stdout]   --> src/types.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |     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:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn is_atom(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.95s
[INFO] running `Command { std: "docker" "inspect" "e7b7ef709bcb25d9f3aedf671b74291c4835ed00fd9de585258c7aac0ab4f5da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7b7ef709bcb25d9f3aedf671b74291c4835ed00fd9de585258c7aac0ab4f5da", kill_on_drop: false }`
[INFO] [stdout] e7b7ef709bcb25d9f3aedf671b74291c4835ed00fd9de585258c7aac0ab4f5da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43241fe3d59588137047b22ce54e483d8447c96053e2d046ffc7c43ad0095eeb
[INFO] running `Command { std: "docker" "start" "-a" "43241fe3d59588137047b22ce54e483d8447c96053e2d046ffc7c43ad0095eeb", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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] note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/error.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[derive(Debug, Error)]
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[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] note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/error.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[derive(Debug, Error)]
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[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] note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/error.rs:3:10
[INFO] [stdout]    |
[INFO] [stdout] 3  | #[derive(Debug, Error)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[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] note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/error.rs:3:10
[INFO] [stdout]    |
[INFO] [stdout] 3  | #[derive(Debug, Error)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[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] note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/error.rs:3:10
[INFO] [stdout]    |
[INFO] [stdout] 3  | #[derive(Debug, Error)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `swap_with_car`
[INFO] [stdout]  --> src/functions.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | 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:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | 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:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | 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:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | 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:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | 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:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | 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:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 | 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:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 | 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:68:8
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub fn equal(lhs: &Value, rhs: &Value) -> bool {
[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] note: `Atom` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/types.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(Clone)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Cons`
[INFO] [stdout]   --> src/types.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     Cons(Cons),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Value` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/types.rs:23:10
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(Clone)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_nil`
[INFO] [stdout]   --> src/types.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |     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:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn is_atom(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "43241fe3d59588137047b22ce54e483d8447c96053e2d046ffc7c43ad0095eeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43241fe3d59588137047b22ce54e483d8447c96053e2d046ffc7c43ad0095eeb", kill_on_drop: false }`
[INFO] [stdout] 43241fe3d59588137047b22ce54e483d8447c96053e2d046ffc7c43ad0095eeb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c61ecdd4aeb828f79ae6d00c22a6fec70d0cd78e67f005d1a9a882b5f512174b
[INFO] running `Command { std: "docker" "start" "-a" "c61ecdd4aeb828f79ae6d00c22a6fec70d0cd78e67f005d1a9a882b5f512174b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: variant is never constructed: `SwapWithCarAtom`
[INFO] [stderr]  --> src/error.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     SwapWithCarAtom,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]  --> src/error.rs:3:10
[INFO] [stderr]   |
[INFO] [stderr] 3 | #[derive(Debug, Error)]
[INFO] [stderr]   |          ^^^^^
[INFO] [stderr]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SwapWithCdrAtom`
[INFO] [stderr]  --> src/error.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     SwapWithCdrAtom,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]  --> src/error.rs:3:10
[INFO] [stderr]   |
[INFO] [stderr] 3 | #[derive(Debug, Error)]
[INFO] [stderr]   |          ^^^^^
[INFO] [stderr]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `PopIntoNonNil`
[INFO] [stderr]   --> src/error.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     PopIntoNonNil,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/error.rs:3:10
[INFO] [stderr]    |
[INFO] [stderr] 3  | #[derive(Debug, Error)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `PopFromAtom`
[INFO] [stderr]   --> src/error.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     PopFromAtom,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/error.rs:3:10
[INFO] [stderr]    |
[INFO] [stderr] 3  | #[derive(Debug, Error)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `CopyIntoNonNil`
[INFO] [stderr]   --> src/error.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     CopyIntoNonNil,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/error.rs:3:10
[INFO] [stderr]    |
[INFO] [stderr] 3  | #[derive(Debug, Error)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `swap_with_car`
[INFO] [stderr]  --> src/functions.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn swap_with_car(a: &mut Value, b: &mut Value) -> Result<(), Error> {
[INFO] [stderr]   |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `swap_with_cdr`
[INFO] [stderr]   --> src/functions.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub fn swap_with_cdr(a: &mut Value, b: &mut Value) -> Result<(), Error> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `eq`
[INFO] [stderr]   --> src/functions.rs:23:8
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub fn eq(lhs: &Atom, rhs: &Atom) -> bool {
[INFO] [stderr]    |        ^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `assign`
[INFO] [stderr]   --> src/functions.rs:31:8
[INFO] [stderr]    |
[INFO] [stderr] 31 | pub fn assign(dest: &mut Atom, src: Atom) {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `push`
[INFO] [stderr]   --> src/functions.rs:35:8
[INFO] [stderr]    |
[INFO] [stderr] 35 | pub fn push(a: &mut Value, b: &mut Value) {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `pop`
[INFO] [stderr]   --> src/functions.rs:41:8
[INFO] [stderr]    |
[INFO] [stderr] 41 | pub fn pop(a: &mut Value, b: &mut Value) -> Result<(), Error> {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `free`
[INFO] [stderr]   --> src/functions.rs:55:8
[INFO] [stderr]    |
[INFO] [stderr] 55 | pub fn free(v: &mut Value) {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `copy`
[INFO] [stderr]   --> src/functions.rs:59:8
[INFO] [stderr]    |
[INFO] [stderr] 59 | pub fn copy(src: &Value, dest: &mut Value) -> Result<(), Error> {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `equal`
[INFO] [stderr]   --> src/functions.rs:68:8
[INFO] [stderr]    |
[INFO] [stderr] 68 | pub fn equal(lhs: &Value, rhs: &Value) -> bool {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Symbol`
[INFO] [stderr]   --> src/types.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     Symbol(Symbol),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `Atom` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/types.rs:10:10
[INFO] [stderr]    |
[INFO] [stderr] 10 | #[derive(Clone)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Cons`
[INFO] [stderr]   --> src/types.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     Cons(Cons),
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `Value` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/types.rs:23:10
[INFO] [stderr]    |
[INFO] [stderr] 23 | #[derive(Clone)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_nil`
[INFO] [stderr]   --> src/types.rs:37:12
[INFO] [stderr]    |
[INFO] [stderr] 37 |     pub fn is_nil(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_atom`
[INFO] [stderr]   --> src/types.rs:41:12
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn is_atom(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `linear_lisp` (bin "linear_lisp" test) generated 18 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/linear_lisp-fec8a56191c9caae)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c61ecdd4aeb828f79ae6d00c22a6fec70d0cd78e67f005d1a9a882b5f512174b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c61ecdd4aeb828f79ae6d00c22a6fec70d0cd78e67f005d1a9a882b5f512174b", kill_on_drop: false }`
[INFO] [stdout] c61ecdd4aeb828f79ae6d00c22a6fec70d0cd78e67f005d1a9a882b5f512174b