[INFO] cloning repository https://github.com/ShahirZain/Calc-in-Git
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ShahirZain/Calc-in-Git" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShahirZain%2FCalc-in-Git", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShahirZain%2FCalc-in-Git'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7a36aca90cbff7f46a131d48d422a3af0d6eb206
[INFO] testing ShahirZain/Calc-in-Git against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShahirZain%2FCalc-in-Git" "/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/ShahirZain/Calc-in-Git on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ShahirZain/Calc-in-Git
[INFO] finished tweaking git repo https://github.com/ShahirZain/Calc-in-Git
[INFO] tweaked toml for git repo https://github.com/ShahirZain/Calc-in-Git written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/ShahirZain/Calc-in-Git already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cbb29d8915d30aceb3a6d05d9348d43bbc06931c474a9c69c2056216c7813ff3
[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" "cbb29d8915d30aceb3a6d05d9348d43bbc06931c474a9c69c2056216c7813ff3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbb29d8915d30aceb3a6d05d9348d43bbc06931c474a9c69c2056216c7813ff3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbb29d8915d30aceb3a6d05d9348d43bbc06931c474a9c69c2056216c7813ff3", kill_on_drop: false }`
[INFO] [stdout] cbb29d8915d30aceb3a6d05d9348d43bbc06931c474a9c69c2056216c7813ff3
[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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ede671ada243aeefd4f811ece7475a39f9cd499e19e26b8e0bda98613bb3078
[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" "1ede671ada243aeefd4f811ece7475a39f9cd499e19e26b8e0bda98613bb3078", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling calculator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: denote infinite loops with `loop { ... }`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     while true {
[INFO] [stdout]   |     ^^^^^^^^^^ help: use `loop`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(while_true)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `x1` is never read
[INFO] [stdout]  --> src/main.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut x1 = String::new();
[INFO] [stdout]   |             ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `x2` is never read
[INFO] [stdout]  --> src/main.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut x2 = String::new();
[INFO] [stdout]   |             ^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "1ede671ada243aeefd4f811ece7475a39f9cd499e19e26b8e0bda98613bb3078", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ede671ada243aeefd4f811ece7475a39f9cd499e19e26b8e0bda98613bb3078", kill_on_drop: false }`
[INFO] [stdout] 1ede671ada243aeefd4f811ece7475a39f9cd499e19e26b8e0bda98613bb3078
[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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66d1df9e684a169d0e8f87547f73c37595086ea5f68d64ea4909f1682901d560
[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" "66d1df9e684a169d0e8f87547f73c37595086ea5f68d64ea4909f1682901d560", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling calculator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: denote infinite loops with `loop { ... }`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     while true {
[INFO] [stdout]   |     ^^^^^^^^^^ help: use `loop`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(while_true)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `x1` is never read
[INFO] [stdout]  --> src/main.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut x1 = String::new();
[INFO] [stdout]   |             ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `x2` is never read
[INFO] [stdout]  --> src/main.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut x2 = String::new();
[INFO] [stdout]   |             ^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "66d1df9e684a169d0e8f87547f73c37595086ea5f68d64ea4909f1682901d560", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66d1df9e684a169d0e8f87547f73c37595086ea5f68d64ea4909f1682901d560", kill_on_drop: false }`
[INFO] [stdout] 66d1df9e684a169d0e8f87547f73c37595086ea5f68d64ea4909f1682901d560
[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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f9cd2b75a7fe2855c18d7f7c5f82857963166ba744ae47c42cdfc0dda2de41d0
[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" "f9cd2b75a7fe2855c18d7f7c5f82857963166ba744ae47c42cdfc0dda2de41d0", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: denote infinite loops with `loop { ... }`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 7 |     while true {
[INFO] [stdout] 
[INFO] [stderr]   |     ^^^^^^^^^^ help: use `loop`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(while_true)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `x1` is never read
[INFO] [stderr]  --> src/main.rs:4:13
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let mut x1 = String::new();
[INFO] [stderr]   |             ^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]   = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `x2` is never read
[INFO] [stderr]  --> src/main.rs:5:13
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let mut x2 = String::new();
[INFO] [stderr]   |             ^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: `calculator` (bin "calculator" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/calculator-f19e809b9a26752e)
[INFO] running `Command { std: "docker" "inspect" "f9cd2b75a7fe2855c18d7f7c5f82857963166ba744ae47c42cdfc0dda2de41d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9cd2b75a7fe2855c18d7f7c5f82857963166ba744ae47c42cdfc0dda2de41d0", kill_on_drop: false }`
[INFO] [stdout] f9cd2b75a7fe2855c18d7f7c5f82857963166ba744ae47c42cdfc0dda2de41d0