[INFO] crate mnist 0.4.0 is already in cache [INFO] checking mnist-0.4.0 against master#4fb54ed484e2239a3e9eff3be17df00d2a162be3 for pr-73345 [INFO] extracting crate mnist 0.4.0 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate mnist 0.4.0 on toolchain 4fb54ed484e2239a3e9eff3be17df00d2a162be3 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate mnist 0.4.0 [INFO] finished tweaking crates.io crate mnist 0.4.0 [INFO] tweaked toml for crates.io crate mnist 0.4.0 written to /workspace/builds/worker-3/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dbc7dd4a0cde582edb4d29c75b084608b8c948c54543d7fe0403d9c3ac63802d [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" "dbc7dd4a0cde582edb4d29c75b084608b8c948c54543d7fe0403d9c3ac63802d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dbc7dd4a0cde582edb4d29c75b084608b8c948c54543d7fe0403d9c3ac63802d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dbc7dd4a0cde582edb4d29c75b084608b8c948c54543d7fe0403d9c3ac63802d", kill_on_drop: false }` [INFO] [stdout] dbc7dd4a0cde582edb4d29c75b084608b8c948c54543d7fe0403d9c3ac63802d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 44097a3c8cf66a9aa139748e45b05b0f16efced92279b5865c75b8fee5a4a2b1 [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" "44097a3c8cf66a9aa139748e45b05b0f16efced92279b5865c75b8fee5a4a2b1", kill_on_drop: false }` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling matrixmultiply v0.1.15 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Checking rawpointer v0.1.0 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling num-iter v0.1.41 [INFO] [stderr] Checking mnist v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused return value of `std::vec::Vec::::split_off` that must be used [INFO] [stdout] --> src/lib.rs:358:9 [INFO] [stdout] | [INFO] [stdout] 358 | tst_img.split_off(tst_len * ROWS * COLS); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: use `.truncate()` if you don't need the other half [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::vec::Vec::::split_off` that must be used [INFO] [stdout] --> src/lib.rs:359:9 [INFO] [stdout] | [INFO] [stdout] 359 | tst_lbl.split_off(tst_len); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: use `.truncate()` if you don't need the other half [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking rulinalg v0.4.2 [INFO] [stdout] warning: unused return value of `std::vec::Vec::::split_off` that must be used [INFO] [stdout] --> src/lib.rs:358:9 [INFO] [stdout] | [INFO] [stdout] 358 | tst_img.split_off(tst_len * ROWS * COLS); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: use `.truncate()` if you don't need the other half [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::vec::Vec::::split_off` that must be used [INFO] [stdout] --> src/lib.rs:359:9 [INFO] [stdout] | [INFO] [stdout] 359 | tst_lbl.split_off(tst_len); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: use `.truncate()` if you don't need the other half [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 10.71s [INFO] running `Command { std: "docker" "inspect" "44097a3c8cf66a9aa139748e45b05b0f16efced92279b5865c75b8fee5a4a2b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "44097a3c8cf66a9aa139748e45b05b0f16efced92279b5865c75b8fee5a4a2b1", kill_on_drop: false }` [INFO] [stdout] 44097a3c8cf66a9aa139748e45b05b0f16efced92279b5865c75b8fee5a4a2b1