[INFO] cloning repository https://github.com/khzh/rustimp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/khzh/rustimp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhzh%2Frustimp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhzh%2Frustimp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 71c428678d3dbe00266b85df78d875694acb5d8b
[INFO] checking khzh/rustimp against e3d12f3322cb00126b2208c6b9df3ac4467951f5 for pr-159706
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhzh%2Frustimp" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/khzh/rustimp
[INFO] finished tweaking git repo https://github.com/khzh/rustimp
[INFO] tweaked toml for git repo https://github.com/khzh/rustimp written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/khzh/rustimp on toolchain e3d12f3322cb00126b2208c6b9df3ac4467951f5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e3d12f3322cb00126b2208c6b9df3ac4467951f5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/khzh/rustimp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e3d12f3322cb00126b2208c6b9df3ac4467951f5" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking khzh/rustimp against e3d12f3322cb00126b2208c6b9df3ac4467951f5 for pr-159706
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhzh%2Frustimp" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/khzh/rustimp
[INFO] finished tweaking git repo https://github.com/khzh/rustimp
[INFO] tweaked toml for git repo https://github.com/khzh/rustimp written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/khzh/rustimp on toolchain e3d12f3322cb00126b2208c6b9df3ac4467951f5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e3d12f3322cb00126b2208c6b9df3ac4467951f5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/khzh/rustimp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e3d12f3322cb00126b2208c6b9df3ac4467951f5" "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-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:00c5645b54fe3ce5dae1417175e3c7fb6a6646c021d554ecd63a097b8b9f3602" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] c03fed5943bb89fd0faf365a5158dd983d943bcbc459db1d79aa4df6a89e5c47
[INFO] running `Command { std: "docker" "start" "c03fed5943bb89fd0faf365a5158dd983d943bcbc459db1d79aa4df6a89e5c47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c03fed5943bb89fd0faf365a5158dd983d943bcbc459db1d79aa4df6a89e5c47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c03fed5943bb89fd0faf365a5158dd983d943bcbc459db1d79aa4df6a89e5c47" "/opt/rustwide/cargo-home/bin/cargo" "+e3d12f3322cb00126b2208c6b9df3ac4467951f5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c03fed5943bb89fd0faf365a5158dd983d943bcbc459db1d79aa4df6a89e5c47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c03fed5943bb89fd0faf365a5158dd983d943bcbc459db1d79aa4df6a89e5c47" "/opt/rustwide/cargo-home/bin/cargo" "+e3d12f3322cb00126b2208c6b9df3ac4467951f5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking interp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/main.rs:25:33
[INFO] [stdout]    |
[INFO] [stdout] 25 |             Arith::Add(a, b) => (Arith::eval(*a, &environment) + Arith::eval(*b, &environment)),
[INFO] [stdout]    |                                 ^                                                             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 25 -             Arith::Add(a, b) => (Arith::eval(*a, &environment) + Arith::eval(*b, &environment)),
[INFO] [stdout] 25 +             Arith::Add(a, b) => Arith::eval(*a, &environment) + Arith::eval(*b, &environment),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/main.rs:26:33
[INFO] [stdout]    |
[INFO] [stdout] 26 |             Arith::Mul(a, b) => (Arith::eval(*a, &environment) * Arith::eval(*b, &environment))
[INFO] [stdout]    |                                 ^                                                             ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 26 -             Arith::Mul(a, b) => (Arith::eval(*a, &environment) * Arith::eval(*b, &environment))
[INFO] [stdout] 26 +             Arith::Mul(a, b) => Arith::eval(*a, &environment) * Arith::eval(*b, &environment)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/main.rs:46:40
[INFO] [stdout]    |
[INFO] [stdout] 46 |             Booln::LessThan(a1, a2) => (Arith::eval(*a1, &environment) < Arith::eval(*a2, &environment)),
[INFO] [stdout]    |                                        ^                                                               ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 46 -             Booln::LessThan(a1, a2) => (Arith::eval(*a1, &environment) < Arith::eval(*a2, &environment)),
[INFO] [stdout] 46 +             Booln::LessThan(a1, a2) => Arith::eval(*a1, &environment) < Arith::eval(*a2, &environment),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/main.rs:25:33
[INFO] [stdout]    |
[INFO] [stdout] 25 |             Arith::Add(a, b) => (Arith::eval(*a, &environment) + Arith::eval(*b, &environment)),
[INFO] [stdout]    |                                 ^                                                             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 25 -             Arith::Add(a, b) => (Arith::eval(*a, &environment) + Arith::eval(*b, &environment)),
[INFO] [stdout] 25 +             Arith::Add(a, b) => Arith::eval(*a, &environment) + Arith::eval(*b, &environment),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/main.rs:26:33
[INFO] [stdout]    |
[INFO] [stdout] 26 |             Arith::Mul(a, b) => (Arith::eval(*a, &environment) * Arith::eval(*b, &environment))
[INFO] [stdout]    |                                 ^                                                             ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 26 -             Arith::Mul(a, b) => (Arith::eval(*a, &environment) * Arith::eval(*b, &environment))
[INFO] [stdout] 26 +             Arith::Mul(a, b) => Arith::eval(*a, &environment) * Arith::eval(*b, &environment)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/main.rs:46:40
[INFO] [stdout]    |
[INFO] [stdout] 46 |             Booln::LessThan(a1, a2) => (Arith::eval(*a1, &environment) < Arith::eval(*a2, &environment)),
[INFO] [stdout]    |                                        ^                                                               ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 46 -             Booln::LessThan(a1, a2) => (Arith::eval(*a1, &environment) < Arith::eval(*a2, &environment)),
[INFO] [stdout] 46 +             Booln::LessThan(a1, a2) => Arith::eval(*a1, &environment) < Arith::eval(*a2, &environment),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `eval` is never used
[INFO] [stdout]   --> src/main.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Arith {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 16 |     /* evaluates an arith */
[INFO] [stdout] 17 |     fn eval(arith : Arith, environment : &HashMap<String, u64>) -> u64 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `eval` is never used
[INFO] [stdout]   --> src/main.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | impl Booln{
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 41 |     /* evaluates a booln */
[INFO] [stdout] 42 |     fn eval(booln : Booln, environment : &HashMap<String, u64>) -> bool {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `assgn` and `eval` are never used
[INFO] [stdout]   --> src/main.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | impl Commd{
[INFO] [stdout]    | ---------- associated functions in this implementation
[INFO] [stdout] 63 |     /* simplifies construction of Commd::Assgn construction */
[INFO] [stdout] 64 |     fn assgn(name : String, arith: Arith) -> Self {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |     fn eval(commd : Commd, mut environment : HashMap<String, u64>) -> HashMap<String, u64> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "c03fed5943bb89fd0faf365a5158dd983d943bcbc459db1d79aa4df6a89e5c47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c03fed5943bb89fd0faf365a5158dd983d943bcbc459db1d79aa4df6a89e5c47", kill_on_drop: false }`
[INFO] [stdout] c03fed5943bb89fd0faf365a5158dd983d943bcbc459db1d79aa4df6a89e5c47
