[INFO] fetching crate heap-vec 0.1.0...
[INFO] testing heap-vec-0.1.0 against 1.63.0 for beta-1.64-2
[INFO] extracting crate heap-vec 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate heap-vec 0.1.0 on toolchain 1.63.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.63.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate heap-vec 0.1.0
[INFO] finished tweaking crates.io crate heap-vec 0.1.0
[INFO] tweaked toml for crates.io crate heap-vec 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.63.0" "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" "+1.63.0" "fetch" "--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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+1.63.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ee8859603c2ae461cd2c7e2822ee47f8bac6ac72df686f139a1f622feefb73f2
[INFO] running `Command { std: "docker" "start" "-a" "ee8859603c2ae461cd2c7e2822ee47f8bac6ac72df686f139a1f622feefb73f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee8859603c2ae461cd2c7e2822ee47f8bac6ac72df686f139a1f622feefb73f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee8859603c2ae461cd2c7e2822ee47f8bac6ac72df686f139a1f622feefb73f2", kill_on_drop: false }`
[INFO] [stdout] ee8859603c2ae461cd2c7e2822ee47f8bac6ac72df686f139a1f622feefb73f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "RUSTDOCFLAGS=--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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+1.63.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5698dc83efb81a4b5ee6ac2532f7ef89126f41a79f484dcde0330b0332a695b0
[INFO] running `Command { std: "docker" "start" "-a" "5698dc83efb81a4b5ee6ac2532f7ef89126f41a79f484dcde0330b0332a695b0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling heap-vec v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "5698dc83efb81a4b5ee6ac2532f7ef89126f41a79f484dcde0330b0332a695b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5698dc83efb81a4b5ee6ac2532f7ef89126f41a79f484dcde0330b0332a695b0", kill_on_drop: false }`
[INFO] [stdout] 5698dc83efb81a4b5ee6ac2532f7ef89126f41a79f484dcde0330b0332a695b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "RUSTDOCFLAGS=--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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+1.63.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95566688f0777245df221a1fe378c7cc3c7cf4f3e4b85dbaf758150140df2dbd
[INFO] running `Command { std: "docker" "start" "-a" "95566688f0777245df221a1fe378c7cc3c7cf4f3e4b85dbaf758150140df2dbd", kill_on_drop: false }`
[INFO] [stderr]    Compiling heap-vec v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/lib.rs:42:10
[INFO] [stdout]    |
[INFO] [stdout] 42 |         };
[INFO] [stdout]    |          ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `test` is never read
[INFO] [stdout]   --> src/lib.rs:41:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |         struct DropPanic {
[INFO] [stdout]    |                --------- field in this struct
[INFO] [stdout] 41 |             test: u8
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "95566688f0777245df221a1fe378c7cc3c7cf4f3e4b85dbaf758150140df2dbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95566688f0777245df221a1fe378c7cc3c7cf4f3e4b85dbaf758150140df2dbd", kill_on_drop: false }`
[INFO] [stdout] 95566688f0777245df221a1fe378c7cc3c7cf4f3e4b85dbaf758150140df2dbd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "RUSTDOCFLAGS=--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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+1.63.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c745c8ea6eabe25b09a3c6f075c1054c8a8a35e3e2b03fdda53d193a6d905b4d
[INFO] running `Command { std: "docker" "start" "-a" "c745c8ea6eabe25b09a3c6f075c1054c8a8a35e3e2b03fdda53d193a6d905b4d", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/lib.rs:42:10
[INFO] [stderr]    |
[INFO] [stderr] 42 |         };
[INFO] [stderr]    |          ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `test` is never read
[INFO] [stderr]   --> src/lib.rs:41:13
[INFO] [stderr]    |
[INFO] [stderr] 40 |         struct DropPanic {
[INFO] [stderr]    |                --------- field in this struct
[INFO] [stderr] 41 |             test: u8
[INFO] [stderr]    |             ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `heap-vec` (lib test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/heap_vec-f309072bde56d6e4)
[INFO] [stdout] running 3 tests
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/heap_vec-f309072bde56d6e4` (signal: 11, SIGSEGV: invalid memory reference)
[INFO] running `Command { std: "docker" "inspect" "c745c8ea6eabe25b09a3c6f075c1054c8a8a35e3e2b03fdda53d193a6d905b4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c745c8ea6eabe25b09a3c6f075c1054c8a8a35e3e2b03fdda53d193a6d905b4d", kill_on_drop: false }`
[INFO] [stdout] c745c8ea6eabe25b09a3c6f075c1054c8a8a35e3e2b03fdda53d193a6d905b4d