[INFO] cloning repository https://github.com/danlucraft/risp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/danlucraft/risp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanlucraft%2Frisp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanlucraft%2Frisp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1813887ee74836280cb12657ba2e904d3fc67093
[INFO] checking danlucraft/risp against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanlucraft%2Frisp" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/danlucraft/risp on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/danlucraft/risp
[INFO] finished tweaking git repo https://github.com/danlucraft/risp
[INFO] tweaked toml for git repo https://github.com/danlucraft/risp written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/danlucraft/risp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lazy_static v1.3.0
[INFO] [stderr]   Downloaded aho-corasick v0.7.3
[INFO] [stderr]   Downloaded regex-syntax v0.6.7
[INFO] [stderr]   Downloaded ucd-util v0.1.3
[INFO] [stderr]   Downloaded regex v1.1.7
[INFO] [stderr]   Downloaded utf8-ranges v1.0.3
[INFO] [stderr]   Downloaded memchr v2.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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] a17ee51f6fdc1b29f3a33b2b00eef11794e2480966a25e4a8b182d8c7aeb7dca
[INFO] running `Command { std: "docker" "start" "-a" "a17ee51f6fdc1b29f3a33b2b00eef11794e2480966a25e4a8b182d8c7aeb7dca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a17ee51f6fdc1b29f3a33b2b00eef11794e2480966a25e4a8b182d8c7aeb7dca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a17ee51f6fdc1b29f3a33b2b00eef11794e2480966a25e4a8b182d8c7aeb7dca", kill_on_drop: false }`
[INFO] [stdout] a17ee51f6fdc1b29f3a33b2b00eef11794e2480966a25e4a8b182d8c7aeb7dca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=forbid" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 709a671f5f2565313e3eb8024adcb3a44468090bcc617b4c4689c522bf802da8
[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" "709a671f5f2565313e3eb8024adcb3a44468090bcc617b4c4689c522bf802da8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling regex v1.1.7
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]     Checking utf8-ranges v1.0.3
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.6.7
[INFO] [stderr]     Checking aho-corasick v0.7.3
[INFO] [stderr]     Checking risp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::risp::loader`
[INFO] [stdout]  --> src/risp/prelude.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::risp::loader;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::risp::environment::Env`
[INFO] [stdout]  --> src/risp/prelude.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::risp::environment::Env;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Exception`
[INFO] [stdout]   --> src/risp/expressions.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Exception(exceptions::Exception)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SyntaxError`
[INFO] [stdout]   --> src/risp/exceptions.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     SyntaxError,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Exception`
[INFO] [stdout]   --> src/risp/expressions.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Exception(exceptions::Exception)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SyntaxError`
[INFO] [stdout]   --> src/risp/exceptions.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     SyntaxError,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.15s
[INFO] running `Command { std: "docker" "inspect" "709a671f5f2565313e3eb8024adcb3a44468090bcc617b4c4689c522bf802da8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "709a671f5f2565313e3eb8024adcb3a44468090bcc617b4c4689c522bf802da8", kill_on_drop: false }`
[INFO] [stdout] 709a671f5f2565313e3eb8024adcb3a44468090bcc617b4c4689c522bf802da8