[INFO] cloning repository https://github.com/Jon-Davis/calc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jon-Davis/calc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJon-Davis%2Fcalc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJon-Davis%2Fcalc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 13b1de91d032ba24ca1775141210df957100ae33
[INFO] checking Jon-Davis/calc against beta-2020-07-24 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJon-Davis%2Fcalc" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Jon-Davis/calc on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Jon-Davis/calc
[INFO] finished tweaking git repo https://github.com/Jon-Davis/calc
[INFO] tweaked toml for git repo https://github.com/Jon-Davis/calc written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/Jon-Davis/calc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cd4291c41e47b79695f31a4da8353bd08c56056356fe5d31b5f315fb261e19fd
[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" "cd4291c41e47b79695f31a4da8353bd08c56056356fe5d31b5f315fb261e19fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd4291c41e47b79695f31a4da8353bd08c56056356fe5d31b5f315fb261e19fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd4291c41e47b79695f31a4da8353bd08c56056356fe5d31b5f315fb261e19fd", kill_on_drop: false }`
[INFO] [stdout] cd4291c41e47b79695f31a4da8353bd08c56056356fe5d31b5f315fb261e19fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52c6e9e5c2030a70837c469f5c33c43fd9542968d332361d17d813e790bce367
[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" "52c6e9e5c2030a70837c469f5c33c43fd9542968d332361d17d813e790bce367", kill_on_drop: false }`
[INFO] [stderr]     Checking calc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Div`, `Rem`
[INFO] [stdout]   --> src/integer.rs:12:26
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::ops::{Add, Sub, Div, Mul, Rem, Neg};
[INFO] [stdout]    |                          ^^^       ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/integer.rs:90:12
[INFO] [stdout]    |
[INFO] [stdout] 90 |         if (other.negative) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Div`, `Rem`
[INFO] [stdout]   --> src/integer.rs:12:26
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::ops::{Add, Sub, Div, Mul, Rem, Neg};
[INFO] [stdout]    |                          ^^^       ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/integer.rs:90:12
[INFO] [stdout]    |
[INFO] [stdout] 90 |         if (other.negative) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "52c6e9e5c2030a70837c469f5c33c43fd9542968d332361d17d813e790bce367", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52c6e9e5c2030a70837c469f5c33c43fd9542968d332361d17d813e790bce367", kill_on_drop: false }`
[INFO] [stdout] 52c6e9e5c2030a70837c469f5c33c43fd9542968d332361d17d813e790bce367
