[INFO] fetching crate meshvox 0.2.3... [INFO] testing meshvox-0.2.3 against beta-2021-09-08 for beta-1.56-1 [INFO] extracting crate meshvox 0.2.3 into /workspace/builds/worker-35/source [INFO] validating manifest of crates.io crate meshvox 0.2.3 on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate meshvox 0.2.3 [INFO] finished tweaking crates.io crate meshvox 0.2.3 [INFO] tweaked toml for crates.io crate meshvox 0.2.3 written to /workspace/builds/worker-35/source/Cargo.toml [INFO] crate crates.io crate meshvox 0.2.3 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dbe7c3d9a1193a706860064674ed7d9062192c8c03fbb6b7460e8e2e337c761f [INFO] running `Command { std: "docker" "start" "-a" "dbe7c3d9a1193a706860064674ed7d9062192c8c03fbb6b7460e8e2e337c761f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dbe7c3d9a1193a706860064674ed7d9062192c8c03fbb6b7460e8e2e337c761f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dbe7c3d9a1193a706860064674ed7d9062192c8c03fbb6b7460e8e2e337c761f", kill_on_drop: false }` [INFO] [stdout] dbe7c3d9a1193a706860064674ed7d9062192c8c03fbb6b7460e8e2e337c761f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] df0f5b9f91d1869a72ea731cb261468ef8d3aa1356140ed62e508d9df048b3fc [INFO] running `Command { std: "docker" "start" "-a" "df0f5b9f91d1869a72ea731cb261468ef8d3aa1356140ed62e508d9df048b3fc", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling meshvox v0.2.3 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.36s [INFO] running `Command { std: "docker" "inspect" "df0f5b9f91d1869a72ea731cb261468ef8d3aa1356140ed62e508d9df048b3fc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "df0f5b9f91d1869a72ea731cb261468ef8d3aa1356140ed62e508d9df048b3fc", kill_on_drop: false }` [INFO] [stdout] df0f5b9f91d1869a72ea731cb261468ef8d3aa1356140ed62e508d9df048b3fc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 97be6b2676e83c62fa06a6eb7387ae364f51ac426eb57b07a64f7879e5f2f6a5 [INFO] running `Command { std: "docker" "start" "-a" "97be6b2676e83c62fa06a6eb7387ae364f51ac426eb57b07a64f7879e5f2f6a5", kill_on_drop: false }` [INFO] [stderr] Compiling meshvox v0.2.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> examples/pyramid.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | / writeln!( [INFO] [stdout] 34 | | file, [INFO] [stdout] 35 | | "v {:0.6} {:0.6} {:0.6}", [INFO] [stdout] 36 | | vertex[0], vertex[1], vertex[2] [INFO] [stdout] 37 | | ); [INFO] [stdout] | |__________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> examples/pyramid.rs:40:9 [INFO] [stdout] | [INFO] [stdout] 40 | writeln!(file, "f {} {} {}", index + 1, index + 2, index + 3); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.37s [INFO] running `Command { std: "docker" "inspect" "97be6b2676e83c62fa06a6eb7387ae364f51ac426eb57b07a64f7879e5f2f6a5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "97be6b2676e83c62fa06a6eb7387ae364f51ac426eb57b07a64f7879e5f2f6a5", kill_on_drop: false }` [INFO] [stdout] 97be6b2676e83c62fa06a6eb7387ae364f51ac426eb57b07a64f7879e5f2f6a5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 4b265a68270a265a86dd80003357ca41b4dfdceb07ae1bf1b0fd2713e2a40b16 [INFO] running `Command { std: "docker" "start" "-a" "4b265a68270a265a86dd80003357ca41b4dfdceb07ae1bf1b0fd2713e2a40b16", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> examples/pyramid.rs:33:9 [INFO] [stderr] | [INFO] [stderr] 33 | / writeln!( [INFO] [stderr] 34 | | file, [INFO] [stderr] 35 | | "v {:0.6} {:0.6} {:0.6}", [INFO] [stderr] 36 | | vertex[0], vertex[1], vertex[2] [INFO] [stderr] 37 | | ); [INFO] [stderr] | |__________^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> examples/pyramid.rs:40:9 [INFO] [stderr] | [INFO] [stderr] 40 | writeln!(file, "f {} {} {}", index + 1, index + 2, index + 3); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: `meshvox` (example "pyramid") generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.33s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/meshvox-677703243692170d) [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] Doc-tests meshvox [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - (line 6) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 6) stdout ---- [INFO] [stdout] Test executable failed (exit code 1). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] Error: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" } [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 6) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.24s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `Command { std: "docker" "inspect" "4b265a68270a265a86dd80003357ca41b4dfdceb07ae1bf1b0fd2713e2a40b16", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4b265a68270a265a86dd80003357ca41b4dfdceb07ae1bf1b0fd2713e2a40b16", kill_on_drop: false }` [INFO] [stdout] 4b265a68270a265a86dd80003357ca41b4dfdceb07ae1bf1b0fd2713e2a40b16