[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] testing Jon-Davis/calc 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%2FJon-Davis%2Fcalc" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Jon-Davis/calc 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/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-0/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-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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] c381ab2d5793622b512cc40232f6d7a3e665ea27351dfefe1275f3bba65657e5
[INFO] running `Command { std: "docker" "start" "-a" "c381ab2d5793622b512cc40232f6d7a3e665ea27351dfefe1275f3bba65657e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c381ab2d5793622b512cc40232f6d7a3e665ea27351dfefe1275f3bba65657e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c381ab2d5793622b512cc40232f6d7a3e665ea27351dfefe1275f3bba65657e5", kill_on_drop: false }`
[INFO] [stdout] c381ab2d5793622b512cc40232f6d7a3e665ea27351dfefe1275f3bba65657e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stdout] 5762cebbdd007dcee6949a6ca199f3eb00dde5b7f59f4fa6e5a690d5b314eeff
[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" "5762cebbdd007dcee6949a6ca199f3eb00dde5b7f59f4fa6e5a690d5b314eeff", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "5762cebbdd007dcee6949a6ca199f3eb00dde5b7f59f4fa6e5a690d5b314eeff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5762cebbdd007dcee6949a6ca199f3eb00dde5b7f59f4fa6e5a690d5b314eeff", kill_on_drop: false }`
[INFO] [stdout] 5762cebbdd007dcee6949a6ca199f3eb00dde5b7f59f4fa6e5a690d5b314eeff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] decc268d2980ad700f55422ea70ee6e76c915adf80a411271ded5150e8a188bf
[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" "decc268d2980ad700f55422ea70ee6e76c915adf80a411271ded5150e8a188bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `Command { std: "docker" "inspect" "decc268d2980ad700f55422ea70ee6e76c915adf80a411271ded5150e8a188bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "decc268d2980ad700f55422ea70ee6e76c915adf80a411271ded5150e8a188bf", kill_on_drop: false }`
[INFO] [stdout] decc268d2980ad700f55422ea70ee6e76c915adf80a411271ded5150e8a188bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] fa3094c53023476646c498b4b6074f30ae93f0775aa3482035f85c426956a67b
[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" "fa3094c53023476646c498b4b6074f30ae93f0775aa3482035f85c426956a67b", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `Div`, `Rem`
[INFO] [stderr]   --> src/integer.rs:12:26
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::ops::{Add, Sub, Div, Mul, Rem, Neg};
[INFO] [stderr]    |                          ^^^       ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/integer.rs:90:12
[INFO] [stderr]    |
[INFO] [stderr] 90 |         if (other.negative) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/calc-20d57c637fcff2ec
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test integer::integer_equality_test ... ok
[INFO] [stdout] test integer::integer_add_test ... ok
[INFO] [stdout] test integer::integer_loop_mul_test ... ok
[INFO] [stdout] test integer::integer_ordering_test ... ok
[INFO] [stdout] test integer::interger_mul_test ... ok
[INFO] [stdout] test integer::integer_loop_add_test ... ok
[INFO] [stdout] test integer::integer_loop_pow_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fa3094c53023476646c498b4b6074f30ae93f0775aa3482035f85c426956a67b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa3094c53023476646c498b4b6074f30ae93f0775aa3482035f85c426956a67b", kill_on_drop: false }`
[INFO] [stdout] fa3094c53023476646c498b4b6074f30ae93f0775aa3482035f85c426956a67b