[INFO] fetching crate array_builder 0.1.4... [INFO] testing array_builder-0.1.4 against 1.55.0 for beta-1.56-1 [INFO] extracting crate array_builder 0.1.4 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate array_builder 0.1.4 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 array_builder 0.1.4 [INFO] finished tweaking crates.io crate array_builder 0.1.4 [INFO] tweaked toml for crates.io crate array_builder 0.1.4 written to /workspace/builds/worker-2/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] 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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 797efbd6146810db8c00779cd110e0a1bbd457b396c9592182ce490945d529a9 [INFO] running `Command { std: "docker" "start" "-a" "797efbd6146810db8c00779cd110e0a1bbd457b396c9592182ce490945d529a9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "797efbd6146810db8c00779cd110e0a1bbd457b396c9592182ce490945d529a9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "797efbd6146810db8c00779cd110e0a1bbd457b396c9592182ce490945d529a9", kill_on_drop: false }` [INFO] [stdout] 797efbd6146810db8c00779cd110e0a1bbd457b396c9592182ce490945d529a9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 79f08d741cbee8fb25090075957e9e224f9da8612855e2c7534c35850f4b0e25 [INFO] running `Command { std: "docker" "start" "-a" "79f08d741cbee8fb25090075957e9e224f9da8612855e2c7534c35850f4b0e25", kill_on_drop: false }` [INFO] [stderr] Compiling array_builder v0.1.4 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.69s [INFO] running `Command { std: "docker" "inspect" "79f08d741cbee8fb25090075957e9e224f9da8612855e2c7534c35850f4b0e25", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "79f08d741cbee8fb25090075957e9e224f9da8612855e2c7534c35850f4b0e25", kill_on_drop: false }` [INFO] [stdout] 79f08d741cbee8fb25090075957e9e224f9da8612855e2c7534c35850f4b0e25 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] af8ef22c4b9def6177ca3634b25add13ba11f044fd7960980a69082b2a22f295 [INFO] running `Command { std: "docker" "start" "-a" "af8ef22c4b9def6177ca3634b25add13ba11f044fd7960980a69082b2a22f295", kill_on_drop: false }` [INFO] [stderr] Compiling array_builder v0.1.4 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.42s [INFO] running `Command { std: "docker" "inspect" "af8ef22c4b9def6177ca3634b25add13ba11f044fd7960980a69082b2a22f295", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "af8ef22c4b9def6177ca3634b25add13ba11f044fd7960980a69082b2a22f295", kill_on_drop: false }` [INFO] [stdout] af8ef22c4b9def6177ca3634b25add13ba11f044fd7960980a69082b2a22f295 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] dc03f7cc92fb07aa4a1c86fa1c14b1ad8fb15cdb925c18e07e2855fefb4d077d [INFO] running `Command { std: "docker" "start" "-a" "dc03f7cc92fb07aa4a1c86fa1c14b1ad8fb15cdb925c18e07e2855fefb4d077d", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.00s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/array_builder-c7e50ee19c6d442e) [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 array_builder [INFO] [stdout] [INFO] [stdout] running 8 tests [INFO] [stdout] test src/lib.rs - (line 22) ... FAILED [INFO] [stdout] test src/lib.rs - ArrayBuilder::take (line 327) ... ok [INFO] [stdout] test src/lib.rs - (line 66) ... ok [INFO] [stdout] test src/lib.rs - (line 4) ... ok [INFO] [stdout] test src/lib.rs - (line 55) ... ok [INFO] [stdout] test src/lib.rs - (line 46) ... ok [INFO] [stdout] test src/lib.rs - ArrayBuilder::pop (line 281) ... ok [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] [stdout] test src/lib.rs - ArrayBuilder (line 92) ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 22) stdout ---- [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:22:1 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(maybe_uninit_uninit_array)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:23:1 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(maybe_uninit_extra)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 22) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 7 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.96s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "dc03f7cc92fb07aa4a1c86fa1c14b1ad8fb15cdb925c18e07e2855fefb4d077d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dc03f7cc92fb07aa4a1c86fa1c14b1ad8fb15cdb925c18e07e2855fefb4d077d", kill_on_drop: false }` [INFO] [stdout] dc03f7cc92fb07aa4a1c86fa1c14b1ad8fb15cdb925c18e07e2855fefb4d077d