[INFO] cloning repository https://github.com/umatbro/rust-py [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/umatbro/rust-py" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fumatbro%2Frust-py", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fumatbro%2Frust-py'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 625536be4b6854986e65c30904614a6acdc58f66 [INFO] checking umatbro/rust-py against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fumatbro%2Frust-py" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/umatbro/rust-py on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/umatbro/rust-py [INFO] finished tweaking git repo https://github.com/umatbro/rust-py [INFO] tweaked toml for git repo https://github.com/umatbro/rust-py written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/umatbro/rust-py 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded closure v0.3.0 [INFO] [stderr] Downloaded pyo3-macros v0.19.0 [INFO] [stderr] Downloaded pyo3-build-config v0.19.0 [INFO] [stderr] Downloaded rstest v0.17.0 [INFO] [stderr] Downloaded pyo3-ffi v0.19.0 [INFO] [stderr] Downloaded pyo3-macros-backend v0.19.0 [INFO] [stderr] Downloaded pyo3 v0.19.0 [INFO] [stderr] Downloaded rstest_macros v0.17.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5af49f9c108a43953b9146bc8202cb22dba84a9762b64490175987195693905d [INFO] running `Command { std: "docker" "start" "-a" "5af49f9c108a43953b9146bc8202cb22dba84a9762b64490175987195693905d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5af49f9c108a43953b9146bc8202cb22dba84a9762b64490175987195693905d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5af49f9c108a43953b9146bc8202cb22dba84a9762b64490175987195693905d", kill_on_drop: false }` [INFO] [stdout] 5af49f9c108a43953b9146bc8202cb22dba84a9762b64490175987195693905d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c957265aeb3cdf5a9407a4fa8a6685552edb806c91254f84bf504ea73666e5a2 [INFO] running `Command { std: "docker" "start" "-a" "c957265aeb3cdf5a9407a4fa8a6685552edb806c91254f84bf504ea73666e5a2", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.60 [INFO] [stderr] Compiling libc v0.2.146 [INFO] [stderr] Compiling unicode-ident v1.0.9 [INFO] [stderr] Compiling quote v1.0.28 [INFO] [stderr] Compiling target-lexicon v0.12.7 [INFO] [stderr] Compiling crossbeam-utils v0.8.16 [INFO] [stderr] Compiling memoffset v0.9.0 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling crossbeam-epoch v0.9.15 [INFO] [stderr] Compiling semver v1.0.17 [INFO] [stderr] Compiling futures-core v0.3.28 [INFO] [stderr] Compiling slab v0.4.8 [INFO] [stderr] Compiling futures-channel v0.3.28 [INFO] [stderr] Compiling futures-task v0.3.28 [INFO] [stderr] Compiling lock_api v0.4.10 [INFO] [stderr] Compiling parking_lot_core v0.9.8 [INFO] [stderr] Checking futures-sink v0.3.28 [INFO] [stderr] Compiling pyo3-build-config v0.19.0 [INFO] [stderr] Compiling futures-util v0.3.28 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Checking crossbeam-deque v0.8.3 [INFO] [stderr] Compiling syn v2.0.18 [INFO] [stderr] Checking getrandom v0.2.10 [INFO] [stderr] Checking crossbeam-channel v0.5.8 [INFO] [stderr] Compiling crossbeam-queue v0.3.8 [INFO] [stderr] Compiling rayon-core v1.11.0 [INFO] [stderr] Checking futures-io v0.3.28 [INFO] [stderr] Checking smallvec v1.10.0 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Compiling rstest_macros v0.17.0 [INFO] [stderr] Checking num_cpus v1.15.0 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking unindent v0.1.11 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Compiling indoc v1.0.9 [INFO] [stderr] Checking either v1.8.1 [INFO] [stderr] Checking crossbeam v0.8.2 [INFO] [stderr] Checking futures-timer v3.0.2 [INFO] [stderr] Checking closure v0.3.0 [INFO] [stderr] Checking rayon v1.7.0 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Compiling pyo3-ffi v0.19.0 [INFO] [stderr] Compiling pyo3 v0.19.0 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling futures-macro v0.3.28 [INFO] [stderr] Compiling pyo3-macros-backend v0.19.0 [INFO] [stderr] Compiling pyo3-macros v0.19.0 [INFO] [stderr] Checking futures-executor v0.3.28 [INFO] [stderr] Checking futures v0.3.28 [INFO] [stderr] Checking rstest v0.17.0 [INFO] [stderr] Checking mtrx-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `num_cpus` is imported redundantly [INFO] [stdout] --> src/lib.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use num_cpus; [INFO] [stdout] | ^^^^^^^^ the item `num_cpus` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `num_cpus` is imported redundantly [INFO] [stdout] --> src/lib.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use num_cpus; [INFO] [stdout] | ^^^^^^^^ the item `num_cpus` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `multiply_matrices` is never used [INFO] [stdout] --> src/lib.rs:8:4 [INFO] [stdout] | [INFO] [stdout] 8 | fn multiply_matrices(matrix1: &[Vec], matrix2: &[Vec]) -> Vec> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `multiply_matrices` is never used [INFO] [stdout] --> src/lib.rs:8:4 [INFO] [stdout] | [INFO] [stdout] 8 | fn multiply_matrices(matrix1: &[Vec], matrix2: &[Vec]) -> Vec> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.31s [INFO] running `Command { std: "docker" "inspect" "c957265aeb3cdf5a9407a4fa8a6685552edb806c91254f84bf504ea73666e5a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c957265aeb3cdf5a9407a4fa8a6685552edb806c91254f84bf504ea73666e5a2", kill_on_drop: false }` [INFO] [stdout] c957265aeb3cdf5a9407a4fa8a6685552edb806c91254f84bf504ea73666e5a2 [INFO] checking umatbro/rust-py against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fumatbro%2Frust-py" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/umatbro/rust-py on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/umatbro/rust-py [INFO] finished tweaking git repo https://github.com/umatbro/rust-py [INFO] tweaked toml for git repo https://github.com/umatbro/rust-py written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/umatbro/rust-py 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1a1a32d4e14d2a14c6c6516b45c617c3bc8d3e784d7818246fbfc4148b09d337 [INFO] running `Command { std: "docker" "start" "-a" "1a1a32d4e14d2a14c6c6516b45c617c3bc8d3e784d7818246fbfc4148b09d337", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1a1a32d4e14d2a14c6c6516b45c617c3bc8d3e784d7818246fbfc4148b09d337", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1a1a32d4e14d2a14c6c6516b45c617c3bc8d3e784d7818246fbfc4148b09d337", kill_on_drop: false }` [INFO] [stdout] 1a1a32d4e14d2a14c6c6516b45c617c3bc8d3e784d7818246fbfc4148b09d337 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0cc561db5543b73a0fd753d4869f4ea3ac9b54069617cf5a45508af528828a57 [INFO] running `Command { std: "docker" "start" "-a" "0cc561db5543b73a0fd753d4869f4ea3ac9b54069617cf5a45508af528828a57", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.60 [INFO] [stderr] Compiling unicode-ident v1.0.9 [INFO] [stderr] Compiling quote v1.0.28 [INFO] [stderr] Compiling libc v0.2.146 [INFO] [stderr] Compiling target-lexicon v0.12.7 [INFO] [stderr] Compiling crossbeam-utils v0.8.16 [INFO] [stderr] Compiling memoffset v0.9.0 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling crossbeam-epoch v0.9.15 [INFO] [stderr] Compiling futures-core v0.3.28 [INFO] [stderr] Compiling semver v1.0.17 [INFO] [stderr] Compiling slab v0.4.8 [INFO] [stderr] Compiling futures-channel v0.3.28 [INFO] [stderr] Compiling futures-task v0.3.28 [INFO] [stderr] Compiling lock_api v0.4.10 [INFO] [stderr] Compiling parking_lot_core v0.9.8 [INFO] [stderr] Compiling futures-util v0.3.28 [INFO] [stderr] Checking futures-sink v0.3.28 [INFO] [stderr] Checking crossbeam-deque v0.8.3 [INFO] [stderr] Compiling syn v2.0.18 [INFO] [stderr] Compiling pyo3-build-config v0.19.0 [INFO] [stderr] Checking getrandom v0.2.10 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Checking crossbeam-channel v0.5.8 [INFO] [stderr] Compiling crossbeam-queue v0.3.8 [INFO] [stderr] Checking smallvec v1.10.0 [INFO] [stderr] Checking futures-io v0.3.28 [INFO] [stderr] Compiling rayon-core v1.11.0 [INFO] [stderr] Compiling rstest_macros v0.17.0 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking num_cpus v1.15.0 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking unindent v0.1.11 [INFO] [stderr] Checking either v1.8.1 [INFO] [stderr] Compiling indoc v1.0.9 [INFO] [stderr] Checking crossbeam v0.8.2 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking futures-timer v3.0.2 [INFO] [stderr] Checking closure v0.3.0 [INFO] [stderr] Checking rayon v1.7.0 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling pyo3-ffi v0.19.0 [INFO] [stderr] Compiling pyo3 v0.19.0 [INFO] [stderr] Compiling futures-macro v0.3.28 [INFO] [stderr] Compiling pyo3-macros-backend v0.19.0 [INFO] [stderr] Compiling pyo3-macros v0.19.0 [INFO] [stderr] Checking futures-executor v0.3.28 [INFO] [stderr] Checking futures v0.3.28 [INFO] [stderr] Checking rstest v0.17.0 [INFO] [stderr] Checking mtrx-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `num_cpus` is imported redundantly [INFO] [stdout] --> src/lib.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use num_cpus; [INFO] [stdout] | ^^^^^^^^ the item `num_cpus` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `num_cpus` is imported redundantly [INFO] [stdout] --> src/lib.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use num_cpus; [INFO] [stdout] | ^^^^^^^^ the item `num_cpus` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `multiply_matrices` is never used [INFO] [stdout] --> src/lib.rs:8:4 [INFO] [stdout] | [INFO] [stdout] 8 | fn multiply_matrices(matrix1: &[Vec], matrix2: &[Vec]) -> Vec> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `multiply_matrices` is never used [INFO] [stdout] --> src/lib.rs:8:4 [INFO] [stdout] | [INFO] [stdout] 8 | fn multiply_matrices(matrix1: &[Vec], matrix2: &[Vec]) -> Vec> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.41s [INFO] running `Command { std: "docker" "inspect" "0cc561db5543b73a0fd753d4869f4ea3ac9b54069617cf5a45508af528828a57", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0cc561db5543b73a0fd753d4869f4ea3ac9b54069617cf5a45508af528828a57", kill_on_drop: false }` [INFO] [stdout] 0cc561db5543b73a0fd753d4869f4ea3ac9b54069617cf5a45508af528828a57