[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 beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnsclass%2Frust-calculator" "/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/nsclass/rust-calculator on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-0/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" "+beta-2022-02-22" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02a65d280381fb0bfa6b1eb0ff3eebd3931a7c30388f1e1f9ee2114562e32a45
[INFO] running `Command { std: "docker" "start" "-a" "02a65d280381fb0bfa6b1eb0ff3eebd3931a7c30388f1e1f9ee2114562e32a45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02a65d280381fb0bfa6b1eb0ff3eebd3931a7c30388f1e1f9ee2114562e32a45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02a65d280381fb0bfa6b1eb0ff3eebd3931a7c30388f1e1f9ee2114562e32a45", kill_on_drop: false }`
[INFO] [stdout] 02a65d280381fb0bfa6b1eb0ff3eebd3931a7c30388f1e1f9ee2114562e32a45
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25deafac5c0702de866674a73c8fe653e96a28890462ead7776bf34b7c8b15a9
[INFO] running `Command { std: "docker" "start" "-a" "25deafac5c0702de866674a73c8fe653e96a28890462ead7776bf34b7c8b15a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.84
[INFO] [stderr]    Compiling serde_derive v1.0.133
[INFO] [stderr]    Compiling serde v1.0.133
[INFO] [stderr]    Compiling serde_json v1.0.74
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling thiserror v1.0.30
[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 12.61s
[INFO] running `Command { std: "docker" "inspect" "25deafac5c0702de866674a73c8fe653e96a28890462ead7776bf34b7c8b15a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25deafac5c0702de866674a73c8fe653e96a28890462ead7776bf34b7c8b15a9", kill_on_drop: false }`
[INFO] [stdout] 25deafac5c0702de866674a73c8fe653e96a28890462ead7776bf34b7c8b15a9
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29b266bffdd24fa84d29b7b707cf82f54b1d1206e64c8530aa9edb99d2d12adf
[INFO] running `Command { std: "docker" "start" "-a" "29b266bffdd24fa84d29b7b707cf82f54b1d1206e64c8530aa9edb99d2d12adf", kill_on_drop: false }`
[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] [stderr]    Compiling calculator-engine v0.1.0 (/opt/rustwide/workdir/calculator-engine)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "29b266bffdd24fa84d29b7b707cf82f54b1d1206e64c8530aa9edb99d2d12adf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29b266bffdd24fa84d29b7b707cf82f54b1d1206e64c8530aa9edb99d2d12adf", kill_on_drop: false }`
[INFO] [stdout] 29b266bffdd24fa84d29b7b707cf82f54b1d1206e64c8530aa9edb99d2d12adf
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fef75bd29249a8a78fa0e74ba979791431089a3743edd008accb87916886ef52
[INFO] running `Command { std: "docker" "start" "-a" "fef75bd29249a8a78fa0e74ba979791431089a3743edd008accb87916886ef52", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: associated function is never used: `is_operator`
[INFO] [stdout] running 2 tests
[INFO] [stderr]   --> calculator-engine/src/token.rs:54:19
[INFO] [stdout] test calculator::tests::divide_by_zero ... ok
[INFO] [stderr]    |
[INFO] [stdout] test calculator::tests::it_works ... ok
[INFO] [stderr] 54 |     pub(crate) fn is_operator(&self) -> bool {
[INFO] [stdout] 
[INFO] [stderr]    |                   ^^^^^^^^^^^
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] running 0 tests
[INFO] [stderr] warning: `calculator-engine` (lib) generated 1 warning
[INFO] [stdout] 
[INFO] [stderr] warning: `calculator-engine` (lib test) generated 1 warning (1 duplicate)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/calculator_engine-d6f25a5c0ac2a441)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/calculator_service-2bff204efb18fdd1)
[INFO] [stderr]    Doc-tests calculator-engine
[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" "fef75bd29249a8a78fa0e74ba979791431089a3743edd008accb87916886ef52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fef75bd29249a8a78fa0e74ba979791431089a3743edd008accb87916886ef52", kill_on_drop: false }`
[INFO] [stdout] fef75bd29249a8a78fa0e74ba979791431089a3743edd008accb87916886ef52