[INFO] fetching crate ssa-reloop 0.3.0-alpha.2...
[INFO] building ssa-reloop-0.3.0-alpha.2 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate ssa-reloop 0.3.0-alpha.2 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate ssa-reloop 0.3.0-alpha.2
[INFO] finished tweaking crates.io crate ssa-reloop 0.3.0-alpha.2
[INFO] tweaked toml for crates.io crate ssa-reloop 0.3.0-alpha.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ssa-reloop 0.3.0-alpha.2 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ssa-reloop 0.3.0-alpha.2 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded never-say-never v6.6.666
[INFO] [stderr]   Downloaded nougat v0.2.4
[INFO] [stderr]   Downloaded macro_rules_attribute-proc_macro v0.1.3
[INFO] [stderr]   Downloaded ssa-traits v0.3.0-alpha.2
[INFO] [stderr]   Downloaded macro_rules_attribute v0.1.3
[INFO] [stderr]   Downloaded ext-trait v1.0.1
[INFO] [stderr]   Downloaded arena-traits v0.2.3
[INFO] [stderr]   Downloaded ext-trait-proc_macros v1.0.1
[INFO] [stderr]   Downloaded nougat-proc_macros v0.2.4
[INFO] [stderr]   Downloaded extension-traits v1.0.1
[INFO] [stderr]   Downloaded cfg-traits v0.3.0-alpha.2
[INFO] [stderr]   Downloaded lending-iterator-proc_macros v0.1.7
[INFO] [stderr]   Downloaded lending-iterator v0.1.7
[INFO] [stderr]   Downloaded relooper v0.1.0
[INFO] [stderr]   Downloaded polonius-the-crab v0.2.1
[INFO] [stderr]   Downloaded ssa-impls v0.3.0-alpha.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1bac62f0a2dd385de967e5c23b69e3021b3abe33c59c3eb88430067ac93bfb12
[INFO] running `Command { std: "docker" "start" "-a" "1bac62f0a2dd385de967e5c23b69e3021b3abe33c59c3eb88430067ac93bfb12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1bac62f0a2dd385de967e5c23b69e3021b3abe33c59c3eb88430067ac93bfb12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bac62f0a2dd385de967e5c23b69e3021b3abe33c59c3eb88430067ac93bfb12", kill_on_drop: false }`
[INFO] [stdout] 1bac62f0a2dd385de967e5c23b69e3021b3abe33c59c3eb88430067ac93bfb12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19f5a6c976eba9c725559d90fb51f9ede902bf3f9f8910fcb7a97de9f7173a54
[INFO] running `Command { std: "docker" "start" "-a" "19f5a6c976eba9c725559d90fb51f9ede902bf3f9f8910fcb7a97de9f7173a54", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling macro_rules_attribute-proc_macro v0.1.3
[INFO] [stderr]    Compiling polonius-the-crab v0.2.1
[INFO] [stderr]    Compiling never-say-never v6.6.666
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]    Compiling arena-traits v0.2.3
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling macro_rules_attribute v0.1.3
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling relooper v0.1.0
[INFO] [stderr]    Compiling ext-trait-proc_macros v1.0.1
[INFO] [stderr]    Compiling nougat-proc_macros v0.2.4
[INFO] [stderr]    Compiling lending-iterator-proc_macros v0.1.7
[INFO] [stderr]    Compiling ext-trait v1.0.1
[INFO] [stderr]    Compiling extension-traits v1.0.1
[INFO] [stderr]    Compiling nougat v0.2.4
[INFO] [stderr]    Compiling lending-iterator v0.1.7
[INFO] [stderr]    Compiling cfg-traits v0.3.0-alpha.2
[INFO] [stderr]    Compiling ssa-traits v0.3.0-alpha.2
[INFO] [stderr]    Compiling ssa-impls v0.3.0-alpha.2
[INFO] [stderr]    Compiling ssa-reloop v0.3.0-alpha.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `arena_traits::Arena`
[INFO] [stdout]  --> src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use arena_traits::Arena;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.97s
[INFO] running `Command { std: "docker" "inspect" "19f5a6c976eba9c725559d90fb51f9ede902bf3f9f8910fcb7a97de9f7173a54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19f5a6c976eba9c725559d90fb51f9ede902bf3f9f8910fcb7a97de9f7173a54", kill_on_drop: false }`
[INFO] [stdout] 19f5a6c976eba9c725559d90fb51f9ede902bf3f9f8910fcb7a97de9f7173a54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7b738e1c9b1d37128182e3cf0d6a33e784797d37ada12c01c6b359f5dee9761
[INFO] running `Command { std: "docker" "start" "-a" "f7b738e1c9b1d37128182e3cf0d6a33e784797d37ada12c01c6b359f5dee9761", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `arena_traits::Arena`
[INFO] [stdout]  --> src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use arena_traits::Arena;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ssa-reloop v0.3.0-alpha.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `arena_traits::Arena`
[INFO] [stdout]  --> src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use arena_traits::Arena;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "f7b738e1c9b1d37128182e3cf0d6a33e784797d37ada12c01c6b359f5dee9761", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7b738e1c9b1d37128182e3cf0d6a33e784797d37ada12c01c6b359f5dee9761", kill_on_drop: false }`
[INFO] [stdout] f7b738e1c9b1d37128182e3cf0d6a33e784797d37ada12c01c6b359f5dee9761