[INFO] updating cached repository https://github.com/harry75369/scheme-rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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] b6d825ff41acfe0fb97179b5f472189e6c8af3e4
[INFO] testing harry75369/scheme-rs against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharry75369%2Fscheme-rs" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/harry75369/scheme-rs on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/harry75369/scheme-rs
[INFO] finished tweaking git repo https://github.com/harry75369/scheme-rs
[INFO] tweaked toml for git repo https://github.com/harry75369/scheme-rs written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/harry75369/scheme-rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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" "+28742a1146f10a4f09369baad027a464acb7a766" "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] 906af10c65917060683bead23929ea9333403f6a7d008086ded372fd2ccffc6b
[INFO] running `"docker" "start" "-a" "906af10c65917060683bead23929ea9333403f6a7d008086ded372fd2ccffc6b"`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling static_assertions v0.3.4
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling utf8parse v0.1.1
[INFO] [stderr]    Compiling nom v5.0.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling stackvector v1.0.6
[INFO] [stderr]    Compiling lexical-core v0.4.3
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling rustyline v5.0.2
[INFO] [stderr]    Compiling scheme-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `rem`
[INFO] [stderr]   --> src/main.rs:69:10
[INFO] [stderr]    |
[INFO] [stderr] 69 |     let (rem, val) = lisp_expr(s)?;
[INFO] [stderr]    |          ^^^ help: if this is intentional, prefix it with an underscore: `_rem`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LList`
[INFO] [stderr]   --> src/main.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     LList(Vec<LispVal>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LDottedList`
[INFO] [stderr]   --> src/main.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     LDottedList((Vec<LispVal>, Box<LispVal>)),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.99s
[INFO] running `"docker" "inspect" "906af10c65917060683bead23929ea9333403f6a7d008086ded372fd2ccffc6b"`
[INFO] running `"docker" "rm" "-f" "906af10c65917060683bead23929ea9333403f6a7d008086ded372fd2ccffc6b"`
[INFO] [stdout] 906af10c65917060683bead23929ea9333403f6a7d008086ded372fd2ccffc6b
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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" "+28742a1146f10a4f09369baad027a464acb7a766" "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] 1db5aa0049863a8a9c285d4c1ff26da031b70a0753a6a677ba962963696aaacb
[INFO] running `"docker" "start" "-a" "1db5aa0049863a8a9c285d4c1ff26da031b70a0753a6a677ba962963696aaacb"`
[INFO] [stderr]    Compiling scheme-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `rem`
[INFO] [stderr]   --> src/main.rs:69:10
[INFO] [stderr]    |
[INFO] [stderr] 69 |     let (rem, val) = lisp_expr(s)?;
[INFO] [stderr]    |          ^^^ help: if this is intentional, prefix it with an underscore: `_rem`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LList`
[INFO] [stderr]   --> src/main.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     LList(Vec<LispVal>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LDottedList`
[INFO] [stderr]   --> src/main.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     LDottedList((Vec<LispVal>, Box<LispVal>)),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.20s
[INFO] running `"docker" "inspect" "1db5aa0049863a8a9c285d4c1ff26da031b70a0753a6a677ba962963696aaacb"`
[INFO] running `"docker" "rm" "-f" "1db5aa0049863a8a9c285d4c1ff26da031b70a0753a6a677ba962963696aaacb"`
[INFO] [stdout] 1db5aa0049863a8a9c285d4c1ff26da031b70a0753a6a677ba962963696aaacb
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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" "+28742a1146f10a4f09369baad027a464acb7a766" "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] c0ae6ba595380aba05de4ccc2fd2d4a0dfe0e89233b39bd2ada5717900b3196c
[INFO] running `"docker" "start" "-a" "c0ae6ba595380aba05de4ccc2fd2d4a0dfe0e89233b39bd2ada5717900b3196c"`
[INFO] [stderr] warning: unused variable: `rem`
[INFO] [stderr]   --> src/main.rs:69:10
[INFO] [stderr]    |
[INFO] [stderr] 69 |     let (rem, val) = lisp_expr(s)?;
[INFO] [stderr]    |          ^^^ help: if this is intentional, prefix it with an underscore: `_rem`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LList`
[INFO] [stderr]   --> src/main.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     LList(Vec<LispVal>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LDottedList`
[INFO] [stderr]   --> src/main.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     LDottedList((Vec<LispVal>, Box<LispVal>)),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.33s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/scheme_rs-17dfeaf162c1ae22
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_basic_parsers ... ok
[INFO] [stdout] test test_lisp_atom ... ok
[INFO] [stdout] test test_lisp_number ... ok
[INFO] [stdout] test test_lisp_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "c0ae6ba595380aba05de4ccc2fd2d4a0dfe0e89233b39bd2ada5717900b3196c"`
[INFO] running `"docker" "rm" "-f" "c0ae6ba595380aba05de4ccc2fd2d4a0dfe0e89233b39bd2ada5717900b3196c"`
[INFO] [stdout] c0ae6ba595380aba05de4ccc2fd2d4a0dfe0e89233b39bd2ada5717900b3196c