[INFO] updating cached repository jevankovich/scheme
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jevankovich/scheme
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jevankovich/scheme" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/jevankovich/scheme"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/jevankovich/scheme'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jevankovich/scheme" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/jevankovich/scheme"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/jevankovich/scheme'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e63c01d41c286a1b887ce03984ca05f50d8f9d7d
[INFO] sha for GitHub repo jevankovich/scheme: e63c01d41c286a1b887ce03984ca05f50d8f9d7d
[INFO] validating manifest of jevankovich/scheme on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jevankovich/scheme on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jevankovich/scheme
[INFO] finished frobbing jevankovich/scheme
[INFO] frobbed toml for jevankovich/scheme written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/jevankovich/scheme/Cargo.toml
[INFO] started frobbing jevankovich/scheme
[INFO] finished frobbing jevankovich/scheme
[INFO] frobbed toml for jevankovich/scheme written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/jevankovich/scheme/Cargo.toml
[INFO] crate jevankovich/scheme has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing jevankovich/scheme against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/jevankovich/scheme:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] 32f94e60dbd87e1f253735ab6e1ab397d9ba0771f60580a22bb23e593290a7b2
[INFO] running `"docker" "start" "-a" "32f94e60dbd87e1f253735ab6e1ab397d9ba0771f60580a22bb23e593290a7b2"`
[INFO] [stderr]    Compiling scheme v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `car`
[INFO] [stderr]   --> main.rs:52:28
[INFO] [stderr]    |
[INFO] [stderr] 52 |             SExp::Cons(ref car, ref cdr) => {
[INFO] [stderr]    |                            ^^^ help: consider prefixing 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:52:37
[INFO] [stderr]    |
[INFO] [stderr] 52 |             SExp::Cons(ref car, ref cdr) => {
[INFO] [stderr]    |                                     ^^^ help: consider prefixing 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]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `"docker" "inspect" "32f94e60dbd87e1f253735ab6e1ab397d9ba0771f60580a22bb23e593290a7b2"`
[INFO] running `"docker" "rm" "-f" "32f94e60dbd87e1f253735ab6e1ab397d9ba0771f60580a22bb23e593290a7b2"`
[INFO] [stdout] 32f94e60dbd87e1f253735ab6e1ab397d9ba0771f60580a22bb23e593290a7b2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/jevankovich/scheme:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 8211057ea90590afd58e9409471f64a88a1d90279adcb9f22c2ece4b1ffee408
[INFO] running `"docker" "start" "-a" "8211057ea90590afd58e9409471f64a88a1d90279adcb9f22c2ece4b1ffee408"`
[INFO] [stderr]    Compiling scheme v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `car`
[INFO] [stderr]   --> main.rs:52:28
[INFO] [stderr]    |
[INFO] [stderr] 52 |             SExp::Cons(ref car, ref cdr) => {
[INFO] [stderr]    |                            ^^^ help: consider prefixing 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:52:37
[INFO] [stderr]    |
[INFO] [stderr] 52 |             SExp::Cons(ref car, ref cdr) => {
[INFO] [stderr]    |                                     ^^^ help: consider prefixing 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]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "8211057ea90590afd58e9409471f64a88a1d90279adcb9f22c2ece4b1ffee408"`
[INFO] running `"docker" "rm" "-f" "8211057ea90590afd58e9409471f64a88a1d90279adcb9f22c2ece4b1ffee408"`
[INFO] [stdout] 8211057ea90590afd58e9409471f64a88a1d90279adcb9f22c2ece4b1ffee408
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/jevankovich/scheme:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"`
[INFO] [stdout] 620c5e12dfc7aa5cfd3bc57d95c6e5fad5d7e4f984e77516f828923aeb2f9c4b
[INFO] running `"docker" "start" "-a" "620c5e12dfc7aa5cfd3bc57d95c6e5fad5d7e4f984e77516f828923aeb2f9c4b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/scheme-e1d4a77eb916d860
[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" "620c5e12dfc7aa5cfd3bc57d95c6e5fad5d7e4f984e77516f828923aeb2f9c4b"`
[INFO] running `"docker" "rm" "-f" "620c5e12dfc7aa5cfd3bc57d95c6e5fad5d7e4f984e77516f828923aeb2f9c4b"`
[INFO] [stdout] 620c5e12dfc7aa5cfd3bc57d95c6e5fad5d7e4f984e77516f828923aeb2f9c4b