[INFO] fetching crate cranelift-egraph 0.91.1...
[INFO] checking cranelift-egraph-0.91.1 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate cranelift-egraph 0.91.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate cranelift-egraph 0.91.1
[INFO] finished tweaking crates.io crate cranelift-egraph 0.91.1
[INFO] tweaked toml for crates.io crate cranelift-egraph 0.91.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cranelift-egraph 0.91.1 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 15 packages to latest compatible versions
[INFO] [stderr]       Adding cranelift-entity v0.91.1 (available: v0.121.1)
[INFO] [stderr]       Adding hashbrown v0.12.3 (available: v0.15.4)
[INFO] [stderr]       Adding indexmap v1.9.3 (available: v2.10.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd116199dd28e9dcaf1dc6af29c4ca1a70d4818dde0fdf03788efefbbca3a038
[INFO] running `Command { std: "docker" "start" "-a" "bd116199dd28e9dcaf1dc6af29c4ca1a70d4818dde0fdf03788efefbbca3a038", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd116199dd28e9dcaf1dc6af29c4ca1a70d4818dde0fdf03788efefbbca3a038", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd116199dd28e9dcaf1dc6af29c4ca1a70d4818dde0fdf03788efefbbca3a038", kill_on_drop: false }`
[INFO] [stdout] bd116199dd28e9dcaf1dc6af29c4ca1a70d4818dde0fdf03788efefbbca3a038
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ab1ad8a3a801f9dae814df177b0cd47dbf6db4dcb671a84d2aa97d68bb8eb9a
[INFO] running `Command { std: "docker" "start" "-a" "8ab1ad8a3a801f9dae814df177b0cd47dbf6db4dcb671a84d2aa97d68bb8eb9a", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking cranelift-entity v0.91.1
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking cranelift-egraph v0.91.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `NullCtx` is never constructed
[INFO] [stdout]   --> src/ctxhash.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub struct NullCtx;
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NullCtx` is never constructed
[INFO] [stdout]   --> src/ctxhash.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub struct NullCtx;
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.65s
[INFO] running `Command { std: "docker" "inspect" "8ab1ad8a3a801f9dae814df177b0cd47dbf6db4dcb671a84d2aa97d68bb8eb9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ab1ad8a3a801f9dae814df177b0cd47dbf6db4dcb671a84d2aa97d68bb8eb9a", kill_on_drop: false }`
[INFO] [stdout] 8ab1ad8a3a801f9dae814df177b0cd47dbf6db4dcb671a84d2aa97d68bb8eb9a