[INFO] fetching crate eikon 0.0.0...
[INFO] testing eikon-0.0.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate eikon 0.0.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate eikon 0.0.0
[INFO] finished tweaking crates.io crate eikon 0.0.0
[INFO] tweaked toml for crates.io crate eikon 0.0.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate eikon 0.0.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 194 packages to latest compatible versions
[INFO] [stderr]       Adding nalgebra v0.33.2 (available: v0.34.1)
[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] [stderr]     Blocking waiting for file lock on package cache
[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] 8990c4200e1d3bba606e03367269fd687e55583820810a4d7ecbac0b5779dc29
[INFO] running `Command { std: "docker" "start" "-a" "8990c4200e1d3bba606e03367269fd687e55583820810a4d7ecbac0b5779dc29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8990c4200e1d3bba606e03367269fd687e55583820810a4d7ecbac0b5779dc29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8990c4200e1d3bba606e03367269fd687e55583820810a4d7ecbac0b5779dc29", kill_on_drop: false }`
[INFO] [stdout] 8990c4200e1d3bba606e03367269fd687e55583820810a4d7ecbac0b5779dc29
[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] 47fc8064b4afc01c48c97039078c36ebcd05c1014762c3e82a8e7714a8a5c4a7
[INFO] running `Command { std: "docker" "start" "-a" "47fc8064b4afc01c48c97039078c36ebcd05c1014762c3e82a8e7714a8a5c4a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytemuck v1.24.0
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]    Compiling eta-graph v1.0.1
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling eta-algorithms v1.20.0
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling safe_arch v0.7.4
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stdout] error[E0599]: no method named `extend_by` found for struct `Array<T>` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/eta-graph-1.0.1/src/edge_storage.rs:177:20
[INFO] [stdout]     |
[INFO] [stdout] 177 |         self.edges.extend_by((size + self.reserve) as usize);
[INFO] [stdout]     |                    ^^^^^^^^^ method not found in `Array<u64>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `eta-graph` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "47fc8064b4afc01c48c97039078c36ebcd05c1014762c3e82a8e7714a8a5c4a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47fc8064b4afc01c48c97039078c36ebcd05c1014762c3e82a8e7714a8a5c4a7", kill_on_drop: false }`
[INFO] [stdout] 47fc8064b4afc01c48c97039078c36ebcd05c1014762c3e82a8e7714a8a5c4a7