[INFO] cloning repository https://github.com/harry75369/scheme-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/harry75369/scheme-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharry75369%2Fscheme-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharry75369%2Fscheme-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b6d825ff41acfe0fb97179b5f472189e6c8af3e4
[INFO] testing harry75369/scheme-rs against 1.52.1 for beta-1.52-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharry75369%2Fscheme-rs" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/harry75369/scheme-rs on toolchain 1.52.1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.52.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-8/source/Cargo.toml
[INFO] crate git repo https://github.com/harry75369/scheme-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.52.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2faa973da544ae222d0cd4cb80a1c4732b83d8f9555048f07a40b59c452d4de1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2faa973da544ae222d0cd4cb80a1c4732b83d8f9555048f07a40b59c452d4de1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2faa973da544ae222d0cd4cb80a1c4732b83d8f9555048f07a40b59c452d4de1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2faa973da544ae222d0cd4cb80a1c4732b83d8f9555048f07a40b59c452d4de1", kill_on_drop: false }`
[INFO] [stdout] 2faa973da544ae222d0cd4cb80a1c4732b83d8f9555048f07a40b59c452d4de1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 686eaf411b3cc00fb1a31ccf4f349818b46134c8291b76968cabfde9c6fd8789
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "686eaf411b3cc00fb1a31ccf4f349818b46134c8291b76968cabfde9c6fd8789", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling utf8parse v0.1.1
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling nom v5.0.1
[INFO] [stderr]    Compiling stackvector v1.0.6
[INFO] [stderr]    Compiling lexical-core v0.4.3
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[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] [stdout] warning: unused variable: `rem`
[INFO] [stdout]   --> src/main.rs:69:10
[INFO] [stdout]    |
[INFO] [stdout] 69 |     let (rem, val) = lisp_expr(s)?;
[INFO] [stdout]    |          ^^^ help: if this is intentional, prefix it with an underscore: `_rem`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LList`
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     LList(Vec<LispVal>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LDottedList`
[INFO] [stdout]   --> src/main.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     LDottedList((Vec<LispVal>, Box<LispVal>)),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.06s
[INFO] running `Command { std: "docker" "inspect" "686eaf411b3cc00fb1a31ccf4f349818b46134c8291b76968cabfde9c6fd8789", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "686eaf411b3cc00fb1a31ccf4f349818b46134c8291b76968cabfde9c6fd8789", kill_on_drop: false }`
[INFO] [stdout] 686eaf411b3cc00fb1a31ccf4f349818b46134c8291b76968cabfde9c6fd8789
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd23405f49e47e80add79ad5826d442883c9d6e2a828e9ff917574b7c3bcdbf9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fd23405f49e47e80add79ad5826d442883c9d6e2a828e9ff917574b7c3bcdbf9", kill_on_drop: false }`
[INFO] [stderr]    Compiling scheme-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `rem`
[INFO] [stdout]   --> src/main.rs:69:10
[INFO] [stdout]    |
[INFO] [stdout] 69 |     let (rem, val) = lisp_expr(s)?;
[INFO] [stdout]    |          ^^^ help: if this is intentional, prefix it with an underscore: `_rem`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LList`
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     LList(Vec<LispVal>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LDottedList`
[INFO] [stdout]   --> src/main.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     LDottedList((Vec<LispVal>, Box<LispVal>)),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.03s
[INFO] running `Command { std: "docker" "inspect" "fd23405f49e47e80add79ad5826d442883c9d6e2a828e9ff917574b7c3bcdbf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd23405f49e47e80add79ad5826d442883c9d6e2a828e9ff917574b7c3bcdbf9", kill_on_drop: false }`
[INFO] [stdout] fd23405f49e47e80add79ad5826d442883c9d6e2a828e9ff917574b7c3bcdbf9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9f8d7ed7c082b08f6e37fc28a408eee2d80b2e9441a3f77bdd77071d99f73729
[INFO] running `Command { std: "docker" "start" "-a" "9f8d7ed7c082b08f6e37fc28a408eee2d80b2e9441a3f77bdd77071d99f73729", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `rem`
[INFO] [stdout] running 4 tests
[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 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/scheme_rs-0f6380d0184e8d90)
[INFO] [stdout] test test_basic_parsers ... ok
[INFO] [stdout] test test_lisp_string ... ok
[INFO] [stdout] test test_lisp_number ... ok
[INFO] [stdout] test test_lisp_atom ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9f8d7ed7c082b08f6e37fc28a408eee2d80b2e9441a3f77bdd77071d99f73729", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f8d7ed7c082b08f6e37fc28a408eee2d80b2e9441a3f77bdd77071d99f73729", kill_on_drop: false }`
[INFO] [stdout] 9f8d7ed7c082b08f6e37fc28a408eee2d80b2e9441a3f77bdd77071d99f73729