[INFO] fetching crate ffi_helpers 0.2.0... [INFO] testing ffi_helpers-0.2.0 against 1.55.0 for beta-1.56-1 [INFO] extracting crate ffi_helpers 0.2.0 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate ffi_helpers 0.2.0 on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate ffi_helpers 0.2.0 [INFO] finished tweaking crates.io crate ffi_helpers 0.2.0 [INFO] tweaked toml for crates.io crate ffi_helpers 0.2.0 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d3baaced938789c1a7381f020f9573e63e06d27d34c380b6fceba10ca4762a4f [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" "d3baaced938789c1a7381f020f9573e63e06d27d34c380b6fceba10ca4762a4f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d3baaced938789c1a7381f020f9573e63e06d27d34c380b6fceba10ca4762a4f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d3baaced938789c1a7381f020f9573e63e06d27d34c380b6fceba10ca4762a4f", kill_on_drop: false }` [INFO] [stdout] d3baaced938789c1a7381f020f9573e63e06d27d34c380b6fceba10ca4762a4f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b86b75ab5f1f6c14534e8a23a43bfa703d5078cf4c33b8999836cb59f84e9950 [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" "b86b75ab5f1f6c14534e8a23a43bfa703d5078cf4c33b8999836cb59f84e9950", kill_on_drop: false }` [INFO] [stderr] Compiling ffi_helpers v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.35s [INFO] running `Command { std: "docker" "inspect" "b86b75ab5f1f6c14534e8a23a43bfa703d5078cf4c33b8999836cb59f84e9950", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b86b75ab5f1f6c14534e8a23a43bfa703d5078cf4c33b8999836cb59f84e9950", kill_on_drop: false }` [INFO] [stdout] b86b75ab5f1f6c14534e8a23a43bfa703d5078cf4c33b8999836cb59f84e9950 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] b82c06dcb239f9715e31b4206b40d6303f5a3a5cc92059ec8fb5dc89c49c5adb [INFO] running `Command { std: "docker" "start" "-a" "b82c06dcb239f9715e31b4206b40d6303f5a3a5cc92059ec8fb5dc89c49c5adb", kill_on_drop: false }` [INFO] [stderr] Compiling ffi_helpers v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/task.rs:537:20 [INFO] [stdout] | [INFO] [stdout] 537 | panic!(PANIC_MESSAGE) [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 537 | panic!("{}", PANIC_MESSAGE) [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 537 | std::panic::panic_any(PANIC_MESSAGE) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/panic.rs:103:57 [INFO] [stdout] | [INFO] [stdout] 103 | let got: Result<(), ()> = catch_panic(|| panic!(err_msg)); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 103 | let got: Result<(), ()> = catch_panic(|| panic!("{}", err_msg)); [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 103 | let got: Result<(), ()> = catch_panic(|| std::panic::panic_any(err_msg)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 3.39s [INFO] running `Command { std: "docker" "inspect" "b82c06dcb239f9715e31b4206b40d6303f5a3a5cc92059ec8fb5dc89c49c5adb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b82c06dcb239f9715e31b4206b40d6303f5a3a5cc92059ec8fb5dc89c49c5adb", kill_on_drop: false }` [INFO] [stdout] b82c06dcb239f9715e31b4206b40d6303f5a3a5cc92059ec8fb5dc89c49c5adb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 1ef0453629ccb8d80723b4d94bc260e087d9600ad713ee73baf7339a6ca9fdba [INFO] running `Command { std: "docker" "start" "-a" "1ef0453629ccb8d80723b4d94bc260e087d9600ad713ee73baf7339a6ca9fdba", kill_on_drop: false }` [INFO] [stderr] warning: panic message is not a string literal [INFO] [stderr] --> src/task.rs:537:20 [INFO] [stderr] | [INFO] [stderr] 537 | panic!(PANIC_MESSAGE) [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stderr] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: add a "{}" format string to Display the message [INFO] [stderr] | [INFO] [stderr] 537 | panic!("{}", PANIC_MESSAGE) [INFO] [stderr] | ^^^^^ [INFO] [stderr] help: or use std::panic::panic_any instead [INFO] [stderr] | [INFO] [stderr] 537 | std::panic::panic_any(PANIC_MESSAGE) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: panic message is not a string literal [INFO] [stderr] --> src/panic.rs:103:57 [INFO] [stderr] | [INFO] [stderr] 103 | let got: Result<(), ()> = catch_panic(|| panic!(err_msg)); [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: add a "{}" format string to Display the message [INFO] [stderr] | [INFO] [stderr] 103 | let got: Result<(), ()> = catch_panic(|| panic!("{}", err_msg)); [INFO] [stderr] | ^^^^^ [INFO] [stderr] help: or use std::panic::panic_any instead [INFO] [stderr] | [INFO] [stderr] 103 | let got: Result<(), ()> = catch_panic(|| std::panic::panic_any(err_msg)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `ffi_helpers` (lib test) generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ffi_helpers-e7ca689960b8e70b) [INFO] [stdout] [INFO] [stdout] running 11 tests [INFO] [stdout] test error_handling::tests::update_the_error ... ok [INFO] [stdout] test error_handling::tests::take_the_last_error ... ok [INFO] [stdout] test error_handling::tests::write_the_last_error_message_into_a_buffer ... ok [INFO] [stdout] test nullable::tests::null_pointer_check_on_garbage_address_doesnt_segfault ... ok [INFO] [stdout] test nullable::tests::can_detect_null_pointers ... ok [INFO] [stdout] test error_handling::tests::get_the_last_error_messages_length ... ok [INFO] [stdout] test task::tests::use_the_c_api ... ok [INFO] [stdout] test nullable::tests::can_detect_non_null_pointers ... ok [INFO] [stdout] test panic::tests::able_to_catch_panics_and_recover_the_panic_message ... ok [INFO] [stdout] test task::tests::task_can_catch_panic_messages ... ok [INFO] [stderr] Doc-tests ffi_helpers [INFO] [stdout] test task::tests::spawn_a_task ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test src/nullable.rs - null_pointer_check (line 111) - compile ... ok [INFO] [stdout] test src/nullable.rs - null_pointer_check (line 71) - compile ... ok [INFO] [stdout] test src/nullable.rs - null_pointer_check (line 90) - compile ... ok [INFO] [stdout] test src/split.rs - split::split_closure (line 8) ... ok [INFO] [stdout] test src/error_handling.rs - error_handling (line 27) ... ok [INFO] [stdout] test src/task.rs - task (line 37) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.30s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "1ef0453629ccb8d80723b4d94bc260e087d9600ad713ee73baf7339a6ca9fdba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1ef0453629ccb8d80723b4d94bc260e087d9600ad713ee73baf7339a6ca9fdba", kill_on_drop: false }` [INFO] [stdout] 1ef0453629ccb8d80723b4d94bc260e087d9600ad713ee73baf7339a6ca9fdba