[INFO] fetching crate suan 0.0.3...
[INFO] testing suan-0.0.3 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate suan 0.0.3 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate suan 0.0.3 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate suan 0.0.3
[INFO] finished tweaking crates.io crate suan 0.0.3
[INFO] tweaked toml for crates.io crate suan 0.0.3 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate suan 0.0.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", 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] f6518669a06f72db9d4aa0373823b190c745924c384b86472f66baa1c4a41d5c
[INFO] running `Command { std: "docker" "start" "-a" "f6518669a06f72db9d4aa0373823b190c745924c384b86472f66baa1c4a41d5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6518669a06f72db9d4aa0373823b190c745924c384b86472f66baa1c4a41d5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6518669a06f72db9d4aa0373823b190c745924c384b86472f66baa1c4a41d5c", kill_on_drop: false }`
[INFO] [stdout] f6518669a06f72db9d4aa0373823b190c745924c384b86472f66baa1c4a41d5c
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] e7e6b04513992235027e1abf9cf210f1277d4819b4b81e83053e771eef11fe81
[INFO] running `Command { std: "docker" "start" "-a" "e7e6b04513992235027e1abf9cf210f1277d4819b4b81e83053e771eef11fe81", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling pyo3-build-config v0.16.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling lock_api v0.4.6
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling num-modular v0.1.1
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling getrandom v0.2.5
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling pyo3-ffi v0.16.0
[INFO] [stderr]    Compiling pyo3 v0.16.0
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling lru v0.7.3
[INFO] [stderr]    Compiling num-modular v0.0.2
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling pyo3-macros-backend v0.16.0
[INFO] [stderr]    Compiling num-prime v0.3.0-alpha
[INFO] [stderr]    Compiling num-irrational v0.2.0-alpha
[INFO] [stderr]    Compiling pyo3-macros v0.16.0
[INFO] [stderr]    Compiling suan-core v0.0.3
[INFO] [stderr]    Compiling suan v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/lib.rs:403:10
[INFO] [stdout]     |
[INFO] [stdout] 403 | fn parse(s: &str, ty: Option<u8>) -> PyResult<PySubject> {
[INFO] [stdout]     |          ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 09s
[INFO] running `Command { std: "docker" "inspect" "e7e6b04513992235027e1abf9cf210f1277d4819b4b81e83053e771eef11fe81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7e6b04513992235027e1abf9cf210f1277d4819b4b81e83053e771eef11fe81", kill_on_drop: false }`
[INFO] [stdout] e7e6b04513992235027e1abf9cf210f1277d4819b4b81e83053e771eef11fe81
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 355b0497c3bd5d40f97d282840a57919854e8c95d4bcd2257a763d11fb684227
[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" "355b0497c3bd5d40f97d282840a57919854e8c95d4bcd2257a763d11fb684227", kill_on_drop: false }`
[INFO] [stderr]    Compiling suan v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/lib.rs:403:10
[INFO] [stdout]     |
[INFO] [stdout] 403 | fn parse(s: &str, ty: Option<u8>) -> PyResult<PySubject> {
[INFO] [stdout]     |          ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` 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 4.01s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/suan-0e7c99babf7ff32b)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/suan-5fad08023fa9809f)
[INFO] running `Command { std: "docker" "inspect" "355b0497c3bd5d40f97d282840a57919854e8c95d4bcd2257a763d11fb684227", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "355b0497c3bd5d40f97d282840a57919854e8c95d4bcd2257a763d11fb684227", kill_on_drop: false }`
[INFO] [stdout] 355b0497c3bd5d40f97d282840a57919854e8c95d4bcd2257a763d11fb684227
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 5e53ee20582442c75f61132815c58263cf0d4883bfe6374ad097db7d2c748ccd
[INFO] running `Command { std: "docker" "start" "-a" "5e53ee20582442c75f61132815c58263cf0d4883bfe6374ad097db7d2c748ccd", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]    --> src/lib.rs:403:10
[INFO] [stderr]     |
[INFO] [stderr] 403 | fn parse(s: &str, ty: Option<u8>) -> PyResult<PySubject> {
[INFO] [stderr]     |          ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `suan` (lib test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[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] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/suan-0e7c99babf7ff32b)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/suan-5fad08023fa9809f)
[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" "5e53ee20582442c75f61132815c58263cf0d4883bfe6374ad097db7d2c748ccd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e53ee20582442c75f61132815c58263cf0d4883bfe6374ad097db7d2c748ccd", kill_on_drop: false }`
[INFO] [stdout] 5e53ee20582442c75f61132815c58263cf0d4883bfe6374ad097db7d2c748ccd