[INFO] fetching crate microstack 0.0.7...
[INFO] checking microstack-0.0.7 against master#e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682 for beta-170-4
[INFO] extracting crate microstack 0.0.7 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate microstack 0.0.7 on toolchain e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate microstack 0.0.7
[INFO] finished tweaking crates.io crate microstack 0.0.7
[INFO] tweaked toml for crates.io crate microstack 0.0.7 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d920f6c9c32ec8aaa31e4658043e9a28a3c77fb06bd0d5eb75d9a0b91a34bf02
[INFO] running `Command { std: "docker" "start" "-a" "d920f6c9c32ec8aaa31e4658043e9a28a3c77fb06bd0d5eb75d9a0b91a34bf02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d920f6c9c32ec8aaa31e4658043e9a28a3c77fb06bd0d5eb75d9a0b91a34bf02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d920f6c9c32ec8aaa31e4658043e9a28a3c77fb06bd0d5eb75d9a0b91a34bf02", kill_on_drop: false }`
[INFO] [stdout] d920f6c9c32ec8aaa31e4658043e9a28a3c77fb06bd0d5eb75d9a0b91a34bf02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bde43f07d5989791d982da61e44c0a5b5e21e594838ac24a2d049542c7941f10
[INFO] running `Command { std: "docker" "start" "-a" "bde43f07d5989791d982da61e44c0a5b5e21e594838ac24a2d049542c7941f10", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.163
[INFO] [stderr]     Checking microstack v0.0.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stdout] error[E0133]: call to unsafe function is unsafe and requires unsafe function or block
[INFO] [stdout]   --> benches/push.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |             s.push_unchecked(i);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stdout]    |
[INFO] [stdout]    = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0133]: call to unsafe function is unsafe and requires unsafe function or block
[INFO] [stdout]   --> benches/push.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |             s.pop_unchecked();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stdout]    |
[INFO] [stdout]    = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0133]: call to unsafe function is unsafe and requires unsafe function or block
[INFO] [stdout]   --> benches/push.rs:47:13
[INFO] [stdout]    |
[INFO] [stdout] 47 |             s.push_unchecked(i);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stdout]    |
[INFO] [stdout]    = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0133]: call to unsafe function is unsafe and requires unsafe function or block
[INFO] [stdout]   --> benches/push.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |             s.pop_unchecked();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stdout]    |
[INFO] [stdout]    = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0133`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `microstack` (bench "push") due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "bde43f07d5989791d982da61e44c0a5b5e21e594838ac24a2d049542c7941f10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bde43f07d5989791d982da61e44c0a5b5e21e594838ac24a2d049542c7941f10", kill_on_drop: false }`
[INFO] [stdout] bde43f07d5989791d982da61e44c0a5b5e21e594838ac24a2d049542c7941f10
