[INFO] cloning repository https://github.com/jmacmoe/lisp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jmacmoe/lisp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmacmoe%2Flisp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmacmoe%2Flisp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b793484be1dccc17d4e0826a75888c9224993310
[INFO] testing jmacmoe/lisp against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmacmoe%2Flisp" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jmacmoe/lisp on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jmacmoe/lisp
[INFO] finished tweaking git repo https://github.com/jmacmoe/lisp
[INFO] tweaked toml for git repo https://github.com/jmacmoe/lisp written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/jmacmoe/lisp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", 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] e1de00ad859bbb21bcad840d747a585ba6641f5a09ed3c9f77ba47281941dd52
[INFO] running `Command { std: "docker" "start" "-a" "e1de00ad859bbb21bcad840d747a585ba6641f5a09ed3c9f77ba47281941dd52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1de00ad859bbb21bcad840d747a585ba6641f5a09ed3c9f77ba47281941dd52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1de00ad859bbb21bcad840d747a585ba6641f5a09ed3c9f77ba47281941dd52", kill_on_drop: false }`
[INFO] [stdout] e1de00ad859bbb21bcad840d747a585ba6641f5a09ed3c9f77ba47281941dd52
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", 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] 94edeb9eaddf5f9af0fa7f8fdcf562fa21db3012d960a07766cb355a1c43e1d8
[INFO] running `Command { std: "docker" "start" "-a" "94edeb9eaddf5f9af0fa7f8fdcf562fa21db3012d960a07766cb355a1c43e1d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]    Compiling lisp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/parser.rs:26:21
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn parse_expression(input: &str) -> Option<ASTNode> {
[INFO] [stdout]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/parser.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn parse_number(input: &str) -> Option<ASTNode> {
[INFO] [stdout]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_expression`
[INFO] [stdout]   --> src/parser.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn parse_expression(input: &str) -> Option<ASTNode> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_number`
[INFO] [stdout]   --> src/parser.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn parse_number(input: &str) -> Option<ASTNode> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.62s
[INFO] running `Command { std: "docker" "inspect" "94edeb9eaddf5f9af0fa7f8fdcf562fa21db3012d960a07766cb355a1c43e1d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94edeb9eaddf5f9af0fa7f8fdcf562fa21db3012d960a07766cb355a1c43e1d8", kill_on_drop: false }`
[INFO] [stdout] 94edeb9eaddf5f9af0fa7f8fdcf562fa21db3012d960a07766cb355a1c43e1d8
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18d4b6e62a0fff74437006dbea07c26a915f52c4abe0a86a011b7c002c375d5e
[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" "18d4b6e62a0fff74437006dbea07c26a915f52c4abe0a86a011b7c002c375d5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling lisp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/parser.rs:26:21
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn parse_expression(input: &str) -> Option<ASTNode> {
[INFO] [stdout]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/parser.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn parse_number(input: &str) -> Option<ASTNode> {
[INFO] [stdout]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_expression`
[INFO] [stdout]   --> src/parser.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn parse_expression(input: &str) -> Option<ASTNode> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_number`
[INFO] [stdout]   --> src/parser.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn parse_number(input: &str) -> Option<ASTNode> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "18d4b6e62a0fff74437006dbea07c26a915f52c4abe0a86a011b7c002c375d5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18d4b6e62a0fff74437006dbea07c26a915f52c4abe0a86a011b7c002c375d5e", kill_on_drop: false }`
[INFO] [stdout] 18d4b6e62a0fff74437006dbea07c26a915f52c4abe0a86a011b7c002c375d5e
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4ef20af50f270047be6d870dde05933a2dc105263a8d95b574a673eed3a0833a
[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" "4ef20af50f270047be6d870dde05933a2dc105263a8d95b574a673eed3a0833a", kill_on_drop: false }`
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]   --> src/parser.rs:26:21
[INFO] [stderr]    |
[INFO] [stderr] 26 | fn parse_expression(input: &str) -> Option<ASTNode> {
[INFO] [stderr]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]   --> src/parser.rs:44:17
[INFO] [stderr]    |
[INFO] [stderr] 44 | fn parse_number(input: &str) -> Option<ASTNode> {
[INFO] [stderr]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_expression`
[INFO] [stderr]   --> src/parser.rs:26:4
[INFO] [stderr]    |
[INFO] [stderr] 26 | fn parse_expression(input: &str) -> Option<ASTNode> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_number`
[INFO] [stderr]   --> src/parser.rs:44:4
[INFO] [stderr]    |
[INFO] [stderr] 44 | fn parse_number(input: &str) -> Option<ASTNode> {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lisp-8020c95a32391e13
[INFO] running `Command { std: "docker" "inspect" "4ef20af50f270047be6d870dde05933a2dc105263a8d95b574a673eed3a0833a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ef20af50f270047be6d870dde05933a2dc105263a8d95b574a673eed3a0833a", kill_on_drop: false }`
[INFO] [stdout] 4ef20af50f270047be6d870dde05933a2dc105263a8d95b574a673eed3a0833a