[INFO] fetching crate cranelift-egraph 0.91.1...
[INFO] testing cranelift-egraph-0.91.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate cranelift-egraph 0.91.1 into /workspace/builds/worker-0-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-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cranelift-egraph 0.91.1 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 15 packages to latest compatible versions
[INFO] [stderr]       Adding cranelift-entity v0.91.1 (available: v0.124.1)
[INFO] [stderr]       Adding hashbrown v0.12.3 (available: v0.16.0)
[INFO] [stderr]       Adding indexmap v1.9.3 (available: v2.11.4)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ba100b6368f8c3bf5795259a2f35fa51a7cfef47a43ede99d94abcd8bca11461
[INFO] running `Command { std: "docker" "start" "-a" "ba100b6368f8c3bf5795259a2f35fa51a7cfef47a43ede99d94abcd8bca11461", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba100b6368f8c3bf5795259a2f35fa51a7cfef47a43ede99d94abcd8bca11461", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba100b6368f8c3bf5795259a2f35fa51a7cfef47a43ede99d94abcd8bca11461", kill_on_drop: false }`
[INFO] [stdout] ba100b6368f8c3bf5795259a2f35fa51a7cfef47a43ede99d94abcd8bca11461
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9386ea5d28a72ce91285bcafa88ea8e7de30f15a4a28a6f18b18da1698046542
[INFO] running `Command { std: "docker" "start" "-a" "9386ea5d28a72ce91285bcafa88ea8e7de30f15a4a28a6f18b18da1698046542", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling cranelift-entity v0.91.1
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.57s
[INFO] running `Command { std: "docker" "inspect" "9386ea5d28a72ce91285bcafa88ea8e7de30f15a4a28a6f18b18da1698046542", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9386ea5d28a72ce91285bcafa88ea8e7de30f15a4a28a6f18b18da1698046542", kill_on_drop: false }`
[INFO] [stdout] 9386ea5d28a72ce91285bcafa88ea8e7de30f15a4a28a6f18b18da1698046542
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3d384f5a9eb59da53d2c4bacfaae66529d3e1cce5fa162e7f2e7d35056647cc
[INFO] running `Command { std: "docker" "start" "-a" "f3d384f5a9eb59da53d2c4bacfaae66529d3e1cce5fa162e7f2e7d35056647cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "f3d384f5a9eb59da53d2c4bacfaae66529d3e1cce5fa162e7f2e7d35056647cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3d384f5a9eb59da53d2c4bacfaae66529d3e1cce5fa162e7f2e7d35056647cc", kill_on_drop: false }`
[INFO] [stdout] f3d384f5a9eb59da53d2c4bacfaae66529d3e1cce5fa162e7f2e7d35056647cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c45f22298f787eab74352293b5f769a902469a94cf8baa70c6eb109a54688212
[INFO] running `Command { std: "docker" "start" "-a" "c45f22298f787eab74352293b5f769a902469a94cf8baa70c6eb109a54688212", kill_on_drop: false }`
[INFO] [stderr] warning: struct `NullCtx` is never constructed
[INFO] [stderr]   --> src/ctxhash.rs:39:12
[INFO] [stderr]    |
[INFO] [stderr] 39 | pub struct NullCtx;
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `cranelift-egraph` (lib) generated 1 warning
[INFO] [stderr] warning: `cranelift-egraph` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/cranelift_egraph-68c37526914547b4)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test bumpvec::test::test_basic ... ok
[INFO] [stdout] test ctxhash::test::test_basic ... ok
[INFO] [stdout] test bumpvec::test::test_round_up ... ok
[INFO] [stderr]    Doc-tests cranelift_egraph
[INFO] [stdout] test ctxhash::test::test_entry ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c45f22298f787eab74352293b5f769a902469a94cf8baa70c6eb109a54688212", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c45f22298f787eab74352293b5f769a902469a94cf8baa70c6eb109a54688212", kill_on_drop: false }`
[INFO] [stdout] c45f22298f787eab74352293b5f769a902469a94cf8baa70c6eb109a54688212