[INFO] updating cached repository https://github.com/jevankovich/scheme
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e63c01d41c286a1b887ce03984ca05f50d8f9d7d
[INFO] testing jevankovich/scheme against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjevankovich%2Fscheme" "work/builds/worker-2/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jevankovich/scheme on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "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 work/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/jevankovich/scheme already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] c2425b4cac946bfa6e4e492a099f9038b8c367a1983af45022cc8ea1fabfe203
[INFO] running `"docker" "start" "-a" "c2425b4cac946bfa6e4e492a099f9038b8c367a1983af45022cc8ea1fabfe203"`
[INFO] [stderr]    Compiling scheme v0.1.0 (/opt/rustwide/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 0.60s
[INFO] running `"docker" "inspect" "c2425b4cac946bfa6e4e492a099f9038b8c367a1983af45022cc8ea1fabfe203"`
[INFO] running `"docker" "rm" "-f" "c2425b4cac946bfa6e4e492a099f9038b8c367a1983af45022cc8ea1fabfe203"`
[INFO] [stdout] c2425b4cac946bfa6e4e492a099f9038b8c367a1983af45022cc8ea1fabfe203
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 3913e5fbd6449e4752601d9d4cca3ddd0d55b17ca28c7528855b8f63001dd2a2
[INFO] running `"docker" "start" "-a" "3913e5fbd6449e4752601d9d4cca3ddd0d55b17ca28c7528855b8f63001dd2a2"`
[INFO] [stderr]    Compiling scheme v0.1.0 (/opt/rustwide/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 0.51s
[INFO] running `"docker" "inspect" "3913e5fbd6449e4752601d9d4cca3ddd0d55b17ca28c7528855b8f63001dd2a2"`
[INFO] running `"docker" "rm" "-f" "3913e5fbd6449e4752601d9d4cca3ddd0d55b17ca28c7528855b8f63001dd2a2"`
[INFO] [stdout] 3913e5fbd6449e4752601d9d4cca3ddd0d55b17ca28c7528855b8f63001dd2a2
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] e39d6f323fe8d6e215776be8bbca93971777dd63bb8a702f62534e1ac2923b6f
[INFO] running `"docker" "start" "-a" "e39d6f323fe8d6e215776be8bbca93971777dd63bb8a702f62534e1ac2923b6f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/scheme-49530a589a3ecb41
[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" "e39d6f323fe8d6e215776be8bbca93971777dd63bb8a702f62534e1ac2923b6f"`
[INFO] running `"docker" "rm" "-f" "e39d6f323fe8d6e215776be8bbca93971777dd63bb8a702f62534e1ac2923b6f"`
[INFO] [stdout] e39d6f323fe8d6e215776be8bbca93971777dd63bb8a702f62534e1ac2923b6f