[INFO] fetching crate heap-vec 0.1.0...
[INFO] testing heap-vec-0.1.0 against try#d724b5ab2f4ac098ff483349a80b6a3799a5177b for pr-113843
[INFO] extracting crate heap-vec 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate heap-vec 0.1.0 on toolchain d724b5ab2f4ac098ff483349a80b6a3799a5177b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d724b5ab2f4ac098ff483349a80b6a3799a5177b" "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-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d724b5ab2f4ac098ff483349a80b6a3799a5177b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d724b5ab2f4ac098ff483349a80b6a3799a5177b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+d724b5ab2f4ac098ff483349a80b6a3799a5177b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ba1d1db152d9270e855f7ea8a288ea366e6dc396d8439c5d4b1547e767adf8d
[INFO] running `Command { std: "docker" "start" "-a" "1ba1d1db152d9270e855f7ea8a288ea366e6dc396d8439c5d4b1547e767adf8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ba1d1db152d9270e855f7ea8a288ea366e6dc396d8439c5d4b1547e767adf8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ba1d1db152d9270e855f7ea8a288ea366e6dc396d8439c5d4b1547e767adf8d", kill_on_drop: false }`
[INFO] [stdout] 1ba1d1db152d9270e855f7ea8a288ea366e6dc396d8439c5d4b1547e767adf8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+d724b5ab2f4ac098ff483349a80b6a3799a5177b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3675c15b8fb1731cf017cece9fbca4795bc4c61b7d047f0d594154b28a8b0f0
[INFO] running `Command { std: "docker" "start" "-a" "a3675c15b8fb1731cf017cece9fbca4795bc4c61b7d047f0d594154b28a8b0f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling heap-vec v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "a3675c15b8fb1731cf017cece9fbca4795bc4c61b7d047f0d594154b28a8b0f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3675c15b8fb1731cf017cece9fbca4795bc4c61b7d047f0d594154b28a8b0f0", kill_on_drop: false }`
[INFO] [stdout] a3675c15b8fb1731cf017cece9fbca4795bc4c61b7d047f0d594154b28a8b0f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+d724b5ab2f4ac098ff483349a80b6a3799a5177b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 902ad475be69845204fedf3d99fe9caca31438a1fdd9365aa284dcde40d5c0c0
[INFO] running `Command { std: "docker" "start" "-a" "902ad475be69845204fedf3d99fe9caca31438a1fdd9365aa284dcde40d5c0c0", 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 0.29s
[INFO] running `Command { std: "docker" "inspect" "902ad475be69845204fedf3d99fe9caca31438a1fdd9365aa284dcde40d5c0c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "902ad475be69845204fedf3d99fe9caca31438a1fdd9365aa284dcde40d5c0c0", kill_on_drop: false }`
[INFO] [stdout] 902ad475be69845204fedf3d99fe9caca31438a1fdd9365aa284dcde40d5c0c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+d724b5ab2f4ac098ff483349a80b6a3799a5177b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ee43f0bcaf6469676e534e2796495499399024999224aa96ceeab861bbbd3537
[INFO] running `Command { std: "docker" "start" "-a" "ee43f0bcaf6469676e534e2796495499399024999224aa96ceeab861bbbd3537", 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] [stdout] 
[INFO] [stderr] 41 |             test: u8
[INFO] [stdout] running 3 tests
[INFO] [stderr]    |             ^^^^
[INFO] [stdout] test tests::insert_test ... ok
[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 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/heap_vec-aab7670e046d6092)
[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-aab7670e046d6092` (signal: 11, SIGSEGV: invalid memory reference)
[INFO] running `Command { std: "docker" "inspect" "ee43f0bcaf6469676e534e2796495499399024999224aa96ceeab861bbbd3537", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee43f0bcaf6469676e534e2796495499399024999224aa96ceeab861bbbd3537", kill_on_drop: false }`
[INFO] [stdout] ee43f0bcaf6469676e534e2796495499399024999224aa96ceeab861bbbd3537