[INFO] fetching crate tiny-merkle 0.3.0...
[INFO] building tiny-merkle-0.3.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate tiny-merkle 0.3.0 into /workspace/builds/worker-7-tc1/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-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tiny-merkle 0.3.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded walkdir v2.4.0
[INFO] [stderr]   Downloaded ciborium v0.2.1
[INFO] [stderr]   Downloaded ciborium-ll v0.2.1
[INFO] [stderr]   Downloaded rayon-core v1.12.0
[INFO] [stderr]   Downloaded ciborium-io v0.2.1
[INFO] [stderr]   Downloaded plotters-svg v0.3.5
[INFO] [stderr]   Downloaded plotters-backend v0.3.5
[INFO] [stderr]   Downloaded plotters v0.3.5
[INFO] [stderr]   Downloaded rayon v1.8.0
[INFO] [stderr]   Downloaded web-sys v0.3.66
[INFO] [stderr]   Downloaded rustix v0.38.25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 142649ee05c1ab21adc9a15e42d4c307fae855edbfced1ca1b674d8d3c01a4b6
[INFO] running `Command { std: "docker" "start" "-a" "142649ee05c1ab21adc9a15e42d4c307fae855edbfced1ca1b674d8d3c01a4b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "142649ee05c1ab21adc9a15e42d4c307fae855edbfced1ca1b674d8d3c01a4b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "142649ee05c1ab21adc9a15e42d4c307fae855edbfced1ca1b674d8d3c01a4b6", kill_on_drop: false }`
[INFO] [stdout] 142649ee05c1ab21adc9a15e42d4c307fae855edbfced1ca1b674d8d3c01a4b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 947e445adea89b4f395c55bc59340213476fe96b4352dcffb7ffa9b590becfb3
[INFO] running `Command { std: "docker" "start" "-a" "947e445adea89b4f395c55bc59340213476fe96b4352dcffb7ffa9b590becfb3", 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" "947e445adea89b4f395c55bc59340213476fe96b4352dcffb7ffa9b590becfb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "947e445adea89b4f395c55bc59340213476fe96b4352dcffb7ffa9b590becfb3", kill_on_drop: false }`
[INFO] [stdout] 947e445adea89b4f395c55bc59340213476fe96b4352dcffb7ffa9b590becfb3