[INFO] cloning repository https://github.com/Caleb-Barger/rusty-calculator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Caleb-Barger/rusty-calculator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCaleb-Barger%2Frusty-calculator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCaleb-Barger%2Frusty-calculator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9554fc2210426d20e2ff8e481bb1f702337bf032
[INFO] checking Caleb-Barger/rusty-calculator against master#c919f490bbcd2b29b74016101f7ec71aaa24bdbb for pr-79073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCaleb-Barger%2Frusty-calculator" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Caleb-Barger/rusty-calculator on toolchain c919f490bbcd2b29b74016101f7ec71aaa24bdbb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Caleb-Barger/rusty-calculator
[INFO] finished tweaking git repo https://github.com/Caleb-Barger/rusty-calculator
[INFO] tweaked toml for git repo https://github.com/Caleb-Barger/rusty-calculator written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/Caleb-Barger/rusty-calculator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fb853a885d1ef7dd501e4aabff9ec72dd680c7b090c5a45170a8633f25491972
[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" "fb853a885d1ef7dd501e4aabff9ec72dd680c7b090c5a45170a8633f25491972", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb853a885d1ef7dd501e4aabff9ec72dd680c7b090c5a45170a8633f25491972", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb853a885d1ef7dd501e4aabff9ec72dd680c7b090c5a45170a8633f25491972", kill_on_drop: false }`
[INFO] [stdout] fb853a885d1ef7dd501e4aabff9ec72dd680c7b090c5a45170a8633f25491972
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25667226f390dbdd04d756dec072b7f4016ef42e1bb4c76a504672c79c945a2d
[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" "25667226f390dbdd04d756dec072b7f4016ef42e1bb4c76a504672c79c945a2d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking calc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: `match` arms have incompatible types
[INFO] [stdout]    --> src/main.rs:117:30
[INFO] [stdout]     |
[INFO] [stdout] 110 |                       match t.kind {
[INFO] [stdout]     |                       ------------ `match` arms have incompatible types
[INFO] [stdout] 111 |                           Kind::Operator(o) => {
[INFO] [stdout] 112 | /                             match o.as_str() {
[INFO] [stdout] 113 | |                                 ")" => return d,
[INFO] [stdout] 114 | |                                 _ => panic!("expected )"),
[INFO] [stdout] 115 | |                             }
[INFO] [stdout]     | |_____________________________- this is found to be of type `f32`
[INFO] [stdout] 116 |                           },
[INFO] [stdout] 117 |                           _ => (),
[INFO] [stdout]     |                                ^^ expected `f32`, found `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: `match` arms have incompatible types
[INFO] [stdout]    --> src/main.rs:117:30
[INFO] [stdout]     |
[INFO] [stdout] 110 |                       match t.kind {
[INFO] [stdout]     |                       ------------ `match` arms have incompatible types
[INFO] [stdout] 111 |                           Kind::Operator(o) => {
[INFO] [stdout] 112 | /                             match o.as_str() {
[INFO] [stdout] 113 | |                                 ")" => return d,
[INFO] [stdout] 114 | |                                 _ => panic!("expected )"),
[INFO] [stdout] 115 | |                             }
[INFO] [stdout]     | |_____________________________- this is found to be of type `f32`
[INFO] [stdout] 116 |                           },
[INFO] [stdout] 117 |                           _ => (),
[INFO] [stdout]     |                                ^^ expected `f32`, found `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `calc`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "25667226f390dbdd04d756dec072b7f4016ef42e1bb4c76a504672c79c945a2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25667226f390dbdd04d756dec072b7f4016ef42e1bb4c76a504672c79c945a2d", kill_on_drop: false }`
[INFO] [stdout] 25667226f390dbdd04d756dec072b7f4016ef42e1bb4c76a504672c79c945a2d