[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 1.49.0 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-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 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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" "+1.49.0" "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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7ca01e3a3e8b63d2b2026d74cfb33791b0491cd1200901e1f4e0ca33f3043a2
[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" "f7ca01e3a3e8b63d2b2026d74cfb33791b0491cd1200901e1f4e0ca33f3043a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7ca01e3a3e8b63d2b2026d74cfb33791b0491cd1200901e1f4e0ca33f3043a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7ca01e3a3e8b63d2b2026d74cfb33791b0491cd1200901e1f4e0ca33f3043a2", kill_on_drop: false }`
[INFO] [stdout] f7ca01e3a3e8b63d2b2026d74cfb33791b0491cd1200901e1f4e0ca33f3043a2
[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=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" "+1.49.0" "build" "--frozen" "--message-format=json", 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] ec51c7516f968ccac219a1cf9d2bb5731aebffe961c79c9ca11d1058bc6a7e07
[INFO] running `Command { std: "docker" "start" "-a" "ec51c7516f968ccac219a1cf9d2bb5731aebffe961c79c9ca11d1058bc6a7e07", 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 0.86s
[INFO] running `Command { std: "docker" "inspect" "ec51c7516f968ccac219a1cf9d2bb5731aebffe961c79c9ca11d1058bc6a7e07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec51c7516f968ccac219a1cf9d2bb5731aebffe961c79c9ca11d1058bc6a7e07", kill_on_drop: false }`
[INFO] [stdout] ec51c7516f968ccac219a1cf9d2bb5731aebffe961c79c9ca11d1058bc6a7e07
[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=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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dcfc5bac8091588ca5bfd58c607774539b2b232bdd782fcc1e8ea240110f5db0
[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" "dcfc5bac8091588ca5bfd58c607774539b2b232bdd782fcc1e8ea240110f5db0", 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 1.38s
[INFO] running `Command { std: "docker" "inspect" "dcfc5bac8091588ca5bfd58c607774539b2b232bdd782fcc1e8ea240110f5db0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcfc5bac8091588ca5bfd58c607774539b2b232bdd782fcc1e8ea240110f5db0", kill_on_drop: false }`
[INFO] [stdout] dcfc5bac8091588ca5bfd58c607774539b2b232bdd782fcc1e8ea240110f5db0
[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=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" "+1.49.0" "test" "--frozen", 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] a163b724eb5ec1f242f739dbe0b25ec73859e13937d7b5a50e8cd37eb730f1c4
[INFO] running `Command { std: "docker" "start" "-a" "a163b724eb5ec1f242f739dbe0b25ec73859e13937d7b5a50e8cd37eb730f1c4", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused imports: `Div`, `Rem`
[INFO] [stdout] running 7 tests
[INFO] [stderr]   --> src/integer.rs:12:26
[INFO] [stdout] test integer::integer_equality_test ... ok
[INFO] [stderr]    |
[INFO] [stdout] test integer::interger_mul_test ... ok
[INFO] [stderr] 12 | use std::ops::{Add, Sub, Div, Mul, Rem, Neg};
[INFO] [stdout] test integer::integer_ordering_test ... ok
[INFO] [stderr]    |                          ^^^       ^^^
[INFO] [stdout] test integer::integer_loop_mul_test ... ok
[INFO] [stderr]    |
[INFO] [stdout] test integer::integer_add_test ... ok
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] test integer::integer_loop_add_test ... ok
[INFO] [stderr] 
[INFO] [stdout] test integer::integer_loop_pow_test ... ok
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stdout] 
[INFO] [stderr]   --> src/integer.rs:90:12
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr]    |
[INFO] [stdout] 
[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-823dcf5098fa522d
[INFO] running `Command { std: "docker" "inspect" "a163b724eb5ec1f242f739dbe0b25ec73859e13937d7b5a50e8cd37eb730f1c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a163b724eb5ec1f242f739dbe0b25ec73859e13937d7b5a50e8cd37eb730f1c4", kill_on_drop: false }`
[INFO] [stdout] a163b724eb5ec1f242f739dbe0b25ec73859e13937d7b5a50e8cd37eb730f1c4