[INFO] fetching crate enalang_optimizer 0.6.1...
[INFO] testing enalang_optimizer-0.6.1 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate enalang_optimizer 0.6.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate enalang_optimizer 0.6.1
[INFO] finished tweaking crates.io crate enalang_optimizer 0.6.1
[INFO] tweaked toml for crates.io crate enalang_optimizer 0.6.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate enalang_optimizer 0.6.1 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 28 packages to latest compatible versions
[INFO] [stderr]       Adding flexstr v0.9.2 (available: v0.11.7)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.10.0)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.18)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded radix_fmt v1.0.0
[INFO] [stderr]   Downloaded enalang_ir v0.6.1
[INFO] [stderr]   Downloaded enalang_vm v0.6.1
[INFO] [stderr]   Downloaded flexstr v0.9.2
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 57774d5b8fb07d03a2f48b5641f5c3c61ea7174efa4e6dbeda37647a49b0d5d0
[INFO] running `Command { std: "docker" "start" "-a" "57774d5b8fb07d03a2f48b5641f5c3c61ea7174efa4e6dbeda37647a49b0d5d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57774d5b8fb07d03a2f48b5641f5c3c61ea7174efa4e6dbeda37647a49b0d5d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57774d5b8fb07d03a2f48b5641f5c3c61ea7174efa4e6dbeda37647a49b0d5d0", kill_on_drop: false }`
[INFO] [stdout] 57774d5b8fb07d03a2f48b5641f5c3c61ea7174efa4e6dbeda37647a49b0d5d0
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dcf8237342a2e203e8ea82221f9ead53e9a17877cf716ee822d8f3266ad00443
[INFO] running `Command { std: "docker" "start" "-a" "dcf8237342a2e203e8ea82221f9ead53e9a17877cf716ee822d8f3266ad00443", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.184
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling radix_fmt v1.0.0
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling ordered-float v3.9.2
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling flexstr v0.9.2
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling enalang_ir v0.6.1
[INFO] [stderr]    Compiling enalang_vm v0.6.1
[INFO] [stderr]    Compiling enalang_optimizer v0.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `ctx` is never read
[INFO] [stdout]   --> src/optimizations/unused_blocks.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct UnusedBlocksOptimization {
[INFO] [stdout]    |            ------------------------ field in this struct
[INFO] [stdout] 13 |     ctx: OptimizationContext,
[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 10.74s
[INFO] running `Command { std: "docker" "inspect" "dcf8237342a2e203e8ea82221f9ead53e9a17877cf716ee822d8f3266ad00443", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcf8237342a2e203e8ea82221f9ead53e9a17877cf716ee822d8f3266ad00443", kill_on_drop: false }`
[INFO] [stdout] dcf8237342a2e203e8ea82221f9ead53e9a17877cf716ee822d8f3266ad00443
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ab613e53fc6ed993c7605c7ad9a28562605bcca6971f54a7672d3134c732270
[INFO] running `Command { std: "docker" "start" "-a" "2ab613e53fc6ed993c7605c7ad9a28562605bcca6971f54a7672d3134c732270", kill_on_drop: false }`
[INFO] [stderr]    Compiling enalang_optimizer v0.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `ctx` is never read
[INFO] [stdout]   --> src/optimizations/unused_blocks.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct UnusedBlocksOptimization {
[INFO] [stdout]    |            ------------------------ field in this struct
[INFO] [stdout] 13 |     ctx: OptimizationContext,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ctx` is never read
[INFO] [stdout]   --> src/optimizations/unused_blocks.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct UnusedBlocksOptimization {
[INFO] [stdout]    |            ------------------------ field in this struct
[INFO] [stdout] 13 |     ctx: OptimizationContext,
[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 0.37s
[INFO] running `Command { std: "docker" "inspect" "2ab613e53fc6ed993c7605c7ad9a28562605bcca6971f54a7672d3134c732270", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ab613e53fc6ed993c7605c7ad9a28562605bcca6971f54a7672d3134c732270", kill_on_drop: false }`
[INFO] [stdout] 2ab613e53fc6ed993c7605c7ad9a28562605bcca6971f54a7672d3134c732270
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a7c41c76ffab0853dab7511bc0e8edbadd4ba2f824a21dcc12bd485e4e083055
[INFO] running `Command { std: "docker" "start" "-a" "a7c41c76ffab0853dab7511bc0e8edbadd4ba2f824a21dcc12bd485e4e083055", kill_on_drop: false }`
[INFO] [stderr] warning: field `ctx` is never read
[INFO] [stderr]   --> src/optimizations/unused_blocks.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub struct UnusedBlocksOptimization {
[INFO] [stderr]    |            ------------------------ field in this struct
[INFO] [stderr] 13 |     ctx: OptimizationContext,
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `enalang_optimizer` (lib) generated 1 warning
[INFO] [stderr] warning: `enalang_optimizer` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/enalang_optimizer-217b6eda197ee763)
[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] [stderr]    Doc-tests enalang_optimizer
[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" "a7c41c76ffab0853dab7511bc0e8edbadd4ba2f824a21dcc12bd485e4e083055", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7c41c76ffab0853dab7511bc0e8edbadd4ba2f824a21dcc12bd485e4e083055", kill_on_drop: false }`
[INFO] [stdout] a7c41c76ffab0853dab7511bc0e8edbadd4ba2f824a21dcc12bd485e4e083055