[INFO] fetching crate pycall 0.3.0... [INFO] testing pycall-0.3.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] extracting crate pycall 0.3.0 into /workspace/builds/worker-106/source [INFO] validating manifest of crates.io crate pycall 0.3.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate pycall 0.3.0 [INFO] finished tweaking crates.io crate pycall 0.3.0 [INFO] tweaked toml for crates.io crate pycall 0.3.0 written to /workspace/builds/worker-106/source/Cargo.toml [INFO] crate crates.io crate pycall 0.3.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 60e1f1b9316ae69e7a77c62a1958e9df8f8124f4fa358f6304f3d79e095a90df [INFO] running `Command { std: "docker" "start" "-a" "60e1f1b9316ae69e7a77c62a1958e9df8f8124f4fa358f6304f3d79e095a90df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "60e1f1b9316ae69e7a77c62a1958e9df8f8124f4fa358f6304f3d79e095a90df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "60e1f1b9316ae69e7a77c62a1958e9df8f8124f4fa358f6304f3d79e095a90df", kill_on_drop: false }` [INFO] [stdout] 60e1f1b9316ae69e7a77c62a1958e9df8f8124f4fa358f6304f3d79e095a90df [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1cbdf613093b64282c584480f51f8022eedd40c6410c4303f830018b1f6e0449 [INFO] running `Command { std: "docker" "start" "-a" "1cbdf613093b64282c584480f51f8022eedd40c6410c4303f830018b1f6e0449", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling getrandom v0.1.13 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling ppv-lite86 v0.2.6 [INFO] [stderr] Compiling remove_dir_all v0.5.2 [INFO] [stderr] Compiling c2-chacha v0.2.3 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.1 [INFO] [stderr] Compiling rand v0.7.2 [INFO] [stderr] Compiling tempfile v3.1.0 [INFO] [stderr] Compiling pycall v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:134:13 [INFO] [stdout] | [INFO] [stdout] 134 | handle.join(); [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] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:379:9 [INFO] [stdout] | [INFO] [stdout] 379 | / writeln!( [INFO] [stdout] 380 | | &program.file, [INFO] [stdout] 381 | | "plt.plot({}, {}, {})", [INFO] [stdout] 382 | | PythonLiteral(x), [INFO] [stdout] 383 | | PythonLiteral(y), [INFO] [stdout] 384 | | PythonLiteral(args) [INFO] [stdout] 385 | | ); [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: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:395:9 [INFO] [stdout] | [INFO] [stdout] 395 | / writeln!( [INFO] [stdout] 396 | | &program.file, [INFO] [stdout] 397 | | "plt.plot({}, {})", [INFO] [stdout] 398 | | PythonLiteral(x), [INFO] [stdout] 399 | | PythonLiteral(y), [INFO] [stdout] 400 | | ); [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: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:407:9 [INFO] [stdout] | [INFO] [stdout] 407 | writeln!(&program.file, "plt.plot({})", PythonLiteral(y)); [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: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.66s [INFO] running `Command { std: "docker" "inspect" "1cbdf613093b64282c584480f51f8022eedd40c6410c4303f830018b1f6e0449", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1cbdf613093b64282c584480f51f8022eedd40c6410c4303f830018b1f6e0449", kill_on_drop: false }` [INFO] [stdout] 1cbdf613093b64282c584480f51f8022eedd40c6410c4303f830018b1f6e0449 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a89607ae89bbab1dab9022ea985877f8a2ed079c0fb19e7cc120d9d32fd26ce9 [INFO] running `Command { std: "docker" "start" "-a" "a89607ae89bbab1dab9022ea985877f8a2ed079c0fb19e7cc120d9d32fd26ce9", kill_on_drop: false }` [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:134:13 [INFO] [stdout] | [INFO] [stdout] 134 | handle.join(); [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] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:379:9 [INFO] [stdout] | [INFO] [stdout] 379 | / writeln!( [INFO] [stdout] 380 | | &program.file, [INFO] [stdout] 381 | | "plt.plot({}, {}, {})", [INFO] [stdout] 382 | | PythonLiteral(x), [INFO] [stdout] 383 | | PythonLiteral(y), [INFO] [stdout] 384 | | PythonLiteral(args) [INFO] [stdout] 385 | | ); [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] [stderr] Compiling pycall v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:395:9 [INFO] [stdout] | [INFO] [stdout] 395 | / writeln!( [INFO] [stdout] 396 | | &program.file, [INFO] [stdout] 397 | | "plt.plot({}, {})", [INFO] [stdout] 398 | | PythonLiteral(x), [INFO] [stdout] 399 | | PythonLiteral(y), [INFO] [stdout] 400 | | ); [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: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:407:9 [INFO] [stdout] | [INFO] [stdout] 407 | writeln!(&program.file, "plt.plot({})", PythonLiteral(y)); [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: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `pycall::MatPlotLib` [INFO] [stdout] --> examples/save.rs:2:9 [INFO] [stdout] | [INFO] [stdout] 2 | use pycall::MatPlotLib; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find function `quick_plot` in this scope [INFO] [stdout] --> src/lib.rs:427:38 [INFO] [stdout] | [INFO] [stdout] 427 | let join = std::thread::spawn(|| quick_plot(&(-50..50).map(|x| (-x * x)).collect::>())); [INFO] [stdout] | ^^^^^^^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> examples/save.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | program.save_as("saved.py"); [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] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> examples/main.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | handles.0.join(); [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] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> examples/main.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | handles.1.join(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> examples/main.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | handles.2.join(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0425`. [INFO] [stdout] [INFO] [stderr] error: could not compile `pycall` due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "a89607ae89bbab1dab9022ea985877f8a2ed079c0fb19e7cc120d9d32fd26ce9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a89607ae89bbab1dab9022ea985877f8a2ed079c0fb19e7cc120d9d32fd26ce9", kill_on_drop: false }` [INFO] [stdout] a89607ae89bbab1dab9022ea985877f8a2ed079c0fb19e7cc120d9d32fd26ce9