[INFO] cloning repository https://github.com/nsclass/rust-calculator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nsclass/rust-calculator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnsclass%2Frust-calculator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnsclass%2Frust-calculator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e4cd790f0caf9a0208d5d01d5f682572fa62604c
[INFO] testing nsclass/rust-calculator against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnsclass%2Frust-calculator" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nsclass/rust-calculator on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nsclass/rust-calculator
[INFO] finished tweaking git repo https://github.com/nsclass/rust-calculator
[INFO] tweaked toml for git repo https://github.com/nsclass/rust-calculator written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/nsclass/rust-calculator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53eb69e9fee91873b4cc0da55787fb461e09163432c10b01da31aa21116d4307
[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" "53eb69e9fee91873b4cc0da55787fb461e09163432c10b01da31aa21116d4307", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53eb69e9fee91873b4cc0da55787fb461e09163432c10b01da31aa21116d4307", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53eb69e9fee91873b4cc0da55787fb461e09163432c10b01da31aa21116d4307", kill_on_drop: false }`
[INFO] [stdout] 53eb69e9fee91873b4cc0da55787fb461e09163432c10b01da31aa21116d4307
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9349edf6ea7021a9f794a8502e670818016e5f3e173b36c9f157451ba7129906
[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" "9349edf6ea7021a9f794a8502e670818016e5f3e173b36c9f157451ba7129906", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.84
[INFO] [stderr]    Compiling serde_json v1.0.74
[INFO] [stderr]    Compiling serde_derive v1.0.133
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling serde v1.0.133
[INFO] [stderr]    Compiling calculator-engine v0.1.0 (/opt/rustwide/workdir/calculator-engine)
[INFO] [stdout] warning: associated function is never used: `is_operator`
[INFO] [stdout]   --> calculator-engine/src/token.rs:54:19
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub(crate) fn is_operator(&self) -> bool {
[INFO] [stdout]    |                   ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling calculator-service v0.1.0 (/opt/rustwide/workdir/calculator-service)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.68s
[INFO] running `Command { std: "docker" "inspect" "9349edf6ea7021a9f794a8502e670818016e5f3e173b36c9f157451ba7129906", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9349edf6ea7021a9f794a8502e670818016e5f3e173b36c9f157451ba7129906", kill_on_drop: false }`
[INFO] [stdout] 9349edf6ea7021a9f794a8502e670818016e5f3e173b36c9f157451ba7129906
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c393e15ed67931fc3f452896be15d77756f7d50e638111c8f197475e407aa9d
[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" "3c393e15ed67931fc3f452896be15d77756f7d50e638111c8f197475e407aa9d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling calculator-engine v0.1.0 (/opt/rustwide/workdir/calculator-engine)
[INFO] [stderr]    Compiling calculator-service v0.1.0 (/opt/rustwide/workdir/calculator-service)
[INFO] [stdout] warning: associated function is never used: `is_operator`
[INFO] [stdout]   --> calculator-engine/src/token.rs:54:19
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub(crate) fn is_operator(&self) -> bool {
[INFO] [stdout]    |                   ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_operator`
[INFO] [stdout]   --> calculator-engine/src/token.rs:54:19
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub(crate) fn is_operator(&self) -> bool {
[INFO] [stdout]    |                   ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.84s
[INFO] running `Command { std: "docker" "inspect" "3c393e15ed67931fc3f452896be15d77756f7d50e638111c8f197475e407aa9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c393e15ed67931fc3f452896be15d77756f7d50e638111c8f197475e407aa9d", kill_on_drop: false }`
[INFO] [stdout] 3c393e15ed67931fc3f452896be15d77756f7d50e638111c8f197475e407aa9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] c4b5f613466d025b2ba8f85c36a5143386b59bfdd3b1cd009db47a3e653539a8
[INFO] running `Command { std: "docker" "start" "-a" "c4b5f613466d025b2ba8f85c36a5143386b59bfdd3b1cd009db47a3e653539a8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: associated function is never used: `is_operator`
[INFO] [stderr]   --> calculator-engine/src/token.rs:54:19
[INFO] [stderr]    |
[INFO] [stderr] 54 |     pub(crate) fn is_operator(&self) -> bool {
[INFO] [stderr]    |                   ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `calculator-engine` (lib) generated 1 warning
[INFO] [stderr] warning: `calculator-engine` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.86s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/calculator_engine-4f9b0636174cae94)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/calculator_service-ccc6360096883d10)
[INFO] [stdout] test calculator::tests::divide_by_zero ... ok
[INFO] [stdout] test calculator::tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests calculator-engine
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c4b5f613466d025b2ba8f85c36a5143386b59bfdd3b1cd009db47a3e653539a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4b5f613466d025b2ba8f85c36a5143386b59bfdd3b1cd009db47a3e653539a8", kill_on_drop: false }`
[INFO] [stdout] c4b5f613466d025b2ba8f85c36a5143386b59bfdd3b1cd009db47a3e653539a8