[INFO] fetching crate tiny-merkle 0.3.0...
[INFO] testing tiny-merkle-0.3.0 against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] extracting crate tiny-merkle 0.3.0 into /workspace/builds/worker-1-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-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tiny-merkle 0.3.0 on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "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" "+33835004928d3bf65db4d4712e1330766263b0bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f4e9fe62f2a0e5b8c6d82d4ecd8840ff58146783579505b2aff81bef4ecdb0b9
[INFO] running `Command { std: "docker" "start" "-a" "f4e9fe62f2a0e5b8c6d82d4ecd8840ff58146783579505b2aff81bef4ecdb0b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4e9fe62f2a0e5b8c6d82d4ecd8840ff58146783579505b2aff81bef4ecdb0b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4e9fe62f2a0e5b8c6d82d4ecd8840ff58146783579505b2aff81bef4ecdb0b9", kill_on_drop: false }`
[INFO] [stdout] f4e9fe62f2a0e5b8c6d82d4ecd8840ff58146783579505b2aff81bef4ecdb0b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 392d3028c1a8b92323b4356fc3b5ced15bd48f6ddc463fd0d8fd9acdcf6e3715
[INFO] running `Command { std: "docker" "start" "-a" "392d3028c1a8b92323b4356fc3b5ced15bd48f6ddc463fd0d8fd9acdcf6e3715", 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" "392d3028c1a8b92323b4356fc3b5ced15bd48f6ddc463fd0d8fd9acdcf6e3715", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "392d3028c1a8b92323b4356fc3b5ced15bd48f6ddc463fd0d8fd9acdcf6e3715", kill_on_drop: false }`
[INFO] [stdout] 392d3028c1a8b92323b4356fc3b5ced15bd48f6ddc463fd0d8fd9acdcf6e3715
