[INFO] cloning repository https://github.com/jevankovich/scheme
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jevankovich/scheme" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjevankovich%2Fscheme"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjevankovich%2Fscheme'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e63c01d41c286a1b887ce03984ca05f50d8f9d7d
[INFO] testing jevankovich/scheme against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjevankovich%2Fscheme" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jevankovich/scheme on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/jevankovich/scheme
[INFO] finished tweaking git repo https://github.com/jevankovich/scheme
[INFO] tweaked toml for git repo https://github.com/jevankovich/scheme written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/jevankovich/scheme already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] af3c32275c4be491b6f4c6a172618c0cfc50555cc5fc2ab0b57a29c40ad3d799
[INFO] running `"docker" "start" "-a" "af3c32275c4be491b6f4c6a172618c0cfc50555cc5fc2ab0b57a29c40ad3d799"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling scheme v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `car`
[INFO] [stderr]   --> main.rs:52:24
[INFO] [stderr]    |
[INFO] [stderr] 52 |             SExp::Cons(ref car, ref cdr) => {
[INFO] [stderr]    |                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_car`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cdr`
[INFO] [stderr]   --> main.rs:52:33
[INFO] [stderr]    |
[INFO] [stderr] 52 |             SExp::Cons(ref car, ref cdr) => {
[INFO] [stderr]    |                                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cdr`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Nil`
[INFO] [stderr]  --> main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Nil,
[INFO] [stderr]   |     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Cons`
[INFO] [stderr]  --> main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Cons(Box<SExp>, Box<SExp>),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Int`
[INFO] [stderr]   --> main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     Int(i64),
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Float`
[INFO] [stderr]   --> main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     Float(f64),
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Sym`
[INFO] [stderr]   --> main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     Sym(String),
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `nil`
[INFO] [stderr]   --> main.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     fn nil() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `cons`
[INFO] [stderr]   --> main.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn cons(car: LispVal, cdr: LispVal) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `int`
[INFO] [stderr]   --> main.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn int(x: i64) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `float`
[INFO] [stderr]   --> main.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn float(x: f64) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `sym`
[INFO] [stderr]   --> main.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn sym(s: &str) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 12 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `"docker" "inspect" "af3c32275c4be491b6f4c6a172618c0cfc50555cc5fc2ab0b57a29c40ad3d799"`
[INFO] running `"docker" "rm" "-f" "af3c32275c4be491b6f4c6a172618c0cfc50555cc5fc2ab0b57a29c40ad3d799"`
[INFO] [stdout] af3c32275c4be491b6f4c6a172618c0cfc50555cc5fc2ab0b57a29c40ad3d799
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4c616419dac88197bb8710b7965e12d4b4935eb8cea4549e2a9b78a8ed6ed69c
[INFO] running `"docker" "start" "-a" "4c616419dac88197bb8710b7965e12d4b4935eb8cea4549e2a9b78a8ed6ed69c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling scheme v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `car`
[INFO] [stderr]   --> main.rs:52:24
[INFO] [stderr]    |
[INFO] [stderr] 52 |             SExp::Cons(ref car, ref cdr) => {
[INFO] [stderr]    |                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_car`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cdr`
[INFO] [stderr]   --> main.rs:52:33
[INFO] [stderr]    |
[INFO] [stderr] 52 |             SExp::Cons(ref car, ref cdr) => {
[INFO] [stderr]    |                                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cdr`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Nil`
[INFO] [stderr]  --> main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Nil,
[INFO] [stderr]   |     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Cons`
[INFO] [stderr]  --> main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Cons(Box<SExp>, Box<SExp>),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Int`
[INFO] [stderr]   --> main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     Int(i64),
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Float`
[INFO] [stderr]   --> main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     Float(f64),
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Sym`
[INFO] [stderr]   --> main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     Sym(String),
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `nil`
[INFO] [stderr]   --> main.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     fn nil() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `cons`
[INFO] [stderr]   --> main.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn cons(car: LispVal, cdr: LispVal) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `int`
[INFO] [stderr]   --> main.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn int(x: i64) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `float`
[INFO] [stderr]   --> main.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn float(x: f64) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `sym`
[INFO] [stderr]   --> main.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn sym(s: &str) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 12 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `"docker" "inspect" "4c616419dac88197bb8710b7965e12d4b4935eb8cea4549e2a9b78a8ed6ed69c"`
[INFO] running `"docker" "rm" "-f" "4c616419dac88197bb8710b7965e12d4b4935eb8cea4549e2a9b78a8ed6ed69c"`
[INFO] [stdout] 4c616419dac88197bb8710b7965e12d4b4935eb8cea4549e2a9b78a8ed6ed69c
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4aeaa9cafd7c9ecb1d6eccf724aa43d44d0474721c16fbbe3f7ac89f9420bb45
[INFO] running `"docker" "start" "-a" "4aeaa9cafd7c9ecb1d6eccf724aa43d44d0474721c16fbbe3f7ac89f9420bb45"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused variable: `car`
[INFO] [stderr]   --> main.rs:52:24
[INFO] [stderr]    |
[INFO] [stderr] 52 |             SExp::Cons(ref car, ref cdr) => {
[INFO] [stderr]    |                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_car`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cdr`
[INFO] [stderr]   --> main.rs:52:33
[INFO] [stderr]    |
[INFO] [stderr] 52 |             SExp::Cons(ref car, ref cdr) => {
[INFO] [stderr]    |                                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cdr`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Nil`
[INFO] [stderr]  --> main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Nil,
[INFO] [stderr]   |     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Cons`
[INFO] [stderr]  --> main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Cons(Box<SExp>, Box<SExp>),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Int`
[INFO] [stderr]   --> main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     Int(i64),
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Float`
[INFO] [stderr]   --> main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     Float(f64),
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Sym`
[INFO] [stderr]   --> main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     Sym(String),
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `nil`
[INFO] [stderr]   --> main.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     fn nil() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `cons`
[INFO] [stderr]   --> main.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn cons(car: LispVal, cdr: LispVal) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `int`
[INFO] [stderr]   --> main.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn int(x: i64) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `float`
[INFO] [stderr]   --> main.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn float(x: f64) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `sym`
[INFO] [stderr]   --> main.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn sym(s: &str) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 12 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/scheme-4bf5de44c943f6b6
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "4aeaa9cafd7c9ecb1d6eccf724aa43d44d0474721c16fbbe3f7ac89f9420bb45"`
[INFO] running `"docker" "rm" "-f" "4aeaa9cafd7c9ecb1d6eccf724aa43d44d0474721c16fbbe3f7ac89f9420bb45"`
[INFO] [stdout] 4aeaa9cafd7c9ecb1d6eccf724aa43d44d0474721c16fbbe3f7ac89f9420bb45