[INFO] cloning repository https://github.com/iluvpy/calc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iluvpy/calc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Filuvpy%2Fcalc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Filuvpy%2Fcalc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d10ac263fef09501796f2ed569dd413ff19b9042
[INFO] checking iluvpy/calc against try#42d1facfffa1a5357d6d62815f7be91f8ad69ed8 for pr-95474
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Filuvpy%2Fcalc" "/workspace/builds/worker-68/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-68/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iluvpy/calc on toolchain 42d1facfffa1a5357d6d62815f7be91f8ad69ed8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+42d1facfffa1a5357d6d62815f7be91f8ad69ed8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/iluvpy/calc
[INFO] finished tweaking git repo https://github.com/iluvpy/calc
[INFO] tweaked toml for git repo https://github.com/iluvpy/calc written to /workspace/builds/worker-68/source/Cargo.toml
[INFO] crate git repo https://github.com/iluvpy/calc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+42d1facfffa1a5357d6d62815f7be91f8ad69ed8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+42d1facfffa1a5357d6d62815f7be91f8ad69ed8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 30fb2772fd2705efa54e91ee44bf4e15d73b7764c604c6cc572c9d3fad690584
[INFO] running `Command { std: "docker" "start" "-a" "30fb2772fd2705efa54e91ee44bf4e15d73b7764c604c6cc572c9d3fad690584", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30fb2772fd2705efa54e91ee44bf4e15d73b7764c604c6cc572c9d3fad690584", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30fb2772fd2705efa54e91ee44bf4e15d73b7764c604c6cc572c9d3fad690584", kill_on_drop: false }`
[INFO] [stdout] 30fb2772fd2705efa54e91ee44bf4e15d73b7764c604c6cc572c9d3fad690584
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+42d1facfffa1a5357d6d62815f7be91f8ad69ed8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9daa025f3d9074586b2bbef26db64d17eb0019c2032054a8ac298f7d68e5137b
[INFO] running `Command { std: "docker" "start" "-a" "9daa025f3d9074586b2bbef26db64d17eb0019c2032054a8ac298f7d68e5137b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking calc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `break_subexpr`
[INFO] [stdout]   --> src/interp/utils/mod.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn break_subexpr(expr: &String) -> Vec<String>{
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `break_subexpr`
[INFO] [stdout]   --> src/interp/utils/mod.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn break_subexpr(expr: &String) -> Vec<String>{
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_int`
[INFO] [stdout]   --> src/interp/utils/mod.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub fn is_int(strn: &String) -> bool {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_float`
[INFO] [stdout]   --> src/interp/utils/mod.rs:69:8
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub fn is_float(strn: &String) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_int`
[INFO] [stdout]   --> src/interp/utils/mod.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub fn is_int(strn: &String) -> bool {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_float`
[INFO] [stdout]   --> src/interp/utils/mod.rs:69:8
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub fn is_float(strn: &String) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "9daa025f3d9074586b2bbef26db64d17eb0019c2032054a8ac298f7d68e5137b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9daa025f3d9074586b2bbef26db64d17eb0019c2032054a8ac298f7d68e5137b", kill_on_drop: false }`
[INFO] [stdout] 9daa025f3d9074586b2bbef26db64d17eb0019c2032054a8ac298f7d68e5137b