[INFO] fetching crate suan 0.0.4...
[INFO] testing suan-0.0.4 against 1.99.0-beta.8 for beta-1.100-2
[INFO] extracting crate suan 0.0.4 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate suan 0.0.4
[INFO] finished tweaking crates.io crate suan 0.0.4
[INFO] tweaked toml for crates.io crate suan 0.0.4 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate suan 0.0.4 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate suan 0.0.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded suan-core v0.0.4
[INFO] [stderr]   Downloaded unindent v0.1.9
[INFO] [stderr]   Downloaded pyo3-macros v0.16.5
[INFO] [stderr]   Downloaded target-lexicon v0.12.4
[INFO] [stderr]   Downloaded once_cell v1.12.0
[INFO] [stderr]   Downloaded lru v0.7.6
[INFO] [stderr]   Downloaded indoc v1.0.6
[INFO] [stderr]   Downloaded redox_syscall v0.2.13
[INFO] [stderr]   Downloaded wyz v0.5.0
[INFO] [stderr]   Downloaded num-irrational v0.3.0
[INFO] [stderr]   Downloaded parking_lot v0.12.0
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.16
[INFO] [stderr]   Downloaded pyo3-build-config v0.16.5
[INFO] [stderr]   Downloaded num-complex v0.4.1
[INFO] [stderr]   Downloaded num-order v1.0.4
[INFO] [stderr]   Downloaded smallvec v1.8.0
[INFO] [stderr]   Downloaded wasi v0.10.2+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded num-rational v0.4.0
[INFO] [stderr]   Downloaded num-modular v0.5.1
[INFO] [stderr]   Downloaded bigdecimal v0.3.0
[INFO] [stderr]   Downloaded unicode-ident v1.0.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.39
[INFO] [stderr]   Downloaded pyo3-ffi v0.16.5
[INFO] [stderr]   Downloaded getrandom v0.2.6
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.16.5
[INFO] [stderr]   Downloaded num-bigint v0.4.3
[INFO] [stderr]   Downloaded libm v0.2.2
[INFO] [stderr]   Downloaded syn v1.0.95
[INFO] [stderr]   Downloaded num-prime v0.4.1
[INFO] [stderr]   Downloaded bitvec v1.0.0
[INFO] [stderr]   Downloaded pyo3 v0.16.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 315eca0c399672fb96341a8949cbc83575049ed298115579f4360091a4c06bd1
[INFO] running `Command { std: "docker" "start" "315eca0c399672fb96341a8949cbc83575049ed298115579f4360091a4c06bd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "315eca0c399672fb96341a8949cbc83575049ed298115579f4360091a4c06bd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "315eca0c399672fb96341a8949cbc83575049ed298115579f4360091a4c06bd1" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "315eca0c399672fb96341a8949cbc83575049ed298115579f4360091a4c06bd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "315eca0c399672fb96341a8949cbc83575049ed298115579f4360091a4c06bd1" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling once_cell v1.12.0
[INFO] [stderr]    Compiling target-lexicon v0.12.4
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling libm v0.2.2
[INFO] [stderr]    Compiling pyo3-build-config v0.16.5
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling wyz v0.5.0
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling funty v2.0.0
[INFO] [stderr]    Compiling parking_lot v0.12.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling num-complex v0.4.1
[INFO] [stderr]    Compiling lru v0.7.6
[INFO] [stderr]    Compiling bitvec v1.0.0
[INFO] [stderr]    Compiling indoc v1.0.6
[INFO] [stderr]    Compiling unindent v0.1.9
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling pyo3-ffi v0.16.5
[INFO] [stderr]    Compiling pyo3 v0.16.5
[INFO] [stderr]    Compiling num-modular v0.5.1
[INFO] [stderr]    Compiling bigdecimal v0.3.0
[INFO] [stderr]    Compiling num-irrational v0.3.0
[INFO] [stderr]    Compiling num-order v1.0.4
[INFO] [stderr]    Compiling pyo3-macros-backend v0.16.5
[INFO] [stderr]    Compiling num-prime v0.4.1
[INFO] [stderr]    Compiling pyo3-macros v0.16.5
[INFO] [stderr]    Compiling suan-core v0.0.4
[INFO] [stderr]    Compiling suan v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/lib.rs:581:10
[INFO] [stdout]     |
[INFO] [stdout] 581 | 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 33.36s
[INFO] running `Command { std: "docker" "inspect" "315eca0c399672fb96341a8949cbc83575049ed298115579f4360091a4c06bd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "315eca0c399672fb96341a8949cbc83575049ed298115579f4360091a4c06bd1" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling suan v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/lib.rs:581:10
[INFO] [stdout]     |
[INFO] [stdout] 581 | 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `Command { std: "docker" "inspect" "315eca0c399672fb96341a8949cbc83575049ed298115579f4360091a4c06bd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "315eca0c399672fb96341a8949cbc83575049ed298115579f4360091a4c06bd1" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]    --> src/lib.rs:581:10
[INFO] [stderr]     |
[INFO] [stderr] 581 | 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `suan` (lib test) generated 1 warning (run `cargo fix --lib -p suan --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/suan-8b3d6fb0b6de1e6d)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/suan-53c660be55518c9a)
[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] [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" "315eca0c399672fb96341a8949cbc83575049ed298115579f4360091a4c06bd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "315eca0c399672fb96341a8949cbc83575049ed298115579f4360091a4c06bd1", kill_on_drop: false }`
[INFO] [stdout] 315eca0c399672fb96341a8949cbc83575049ed298115579f4360091a4c06bd1
