[INFO] fetching crate tiny-merkle 0.3.0...
[INFO] testing tiny-merkle-0.3.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate tiny-merkle 0.3.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate tiny-merkle 0.3.0
[INFO] finished tweaking crates.io crate tiny-merkle 0.3.0
[INFO] tweaked toml for crates.io crate tiny-merkle 0.3.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tiny-merkle 0.3.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tiny-merkle 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b8d8df57536e59d41caf70d96aed7d498bbba3861f79bc47d7cfe1c1e7d94bf7
[INFO] running `Command { std: "docker" "start" "-a" "b8d8df57536e59d41caf70d96aed7d498bbba3861f79bc47d7cfe1c1e7d94bf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8d8df57536e59d41caf70d96aed7d498bbba3861f79bc47d7cfe1c1e7d94bf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8d8df57536e59d41caf70d96aed7d498bbba3861f79bc47d7cfe1c1e7d94bf7", kill_on_drop: false }`
[INFO] [stdout] b8d8df57536e59d41caf70d96aed7d498bbba3861f79bc47d7cfe1c1e7d94bf7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e00fc8cf3e0ea2bc281fa9ddc441eefdd77c54344e8541c4886af4e965b5be3
[INFO] running `Command { std: "docker" "start" "-a" "4e00fc8cf3e0ea2bc281fa9ddc441eefdd77c54344e8541c4886af4e965b5be3", kill_on_drop: false }`
[INFO] [stderr]    Compiling tiny-merkle v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this arithmetic operation will overflow
[INFO] [stdout]    --> src/merkle.rs:164:4
[INFO] [stdout]     |
[INFO] [stdout] 164 |             1 << MAX_TREE_DEPTH
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^ attempt to shift left by `32_usize`, which would overflow
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(arithmetic_overflow)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tiny-merkle` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "4e00fc8cf3e0ea2bc281fa9ddc441eefdd77c54344e8541c4886af4e965b5be3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e00fc8cf3e0ea2bc281fa9ddc441eefdd77c54344e8541c4886af4e965b5be3", kill_on_drop: false }`
[INFO] [stdout] 4e00fc8cf3e0ea2bc281fa9ddc441eefdd77c54344e8541c4886af4e965b5be3