[INFO] fetching crate ssa-cc 0.3.0-alpha.2...
[INFO] testing ssa-cc-0.3.0-alpha.2 against 1.95.0 for beta-1.96-2
[INFO] extracting crate ssa-cc 0.3.0-alpha.2 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate ssa-cc 0.3.0-alpha.2
[INFO] finished tweaking crates.io crate ssa-cc 0.3.0-alpha.2
[INFO] tweaked toml for crates.io crate ssa-cc 0.3.0-alpha.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ssa-cc 0.3.0-alpha.2 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ssa-cc 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nougat v0.2.4
[INFO] [stderr]   Downloaded cfg-traits v0.3.0-alpha.2
[INFO] [stderr]   Downloaded ssa-canon v0.3.0-alpha.2
[INFO] [stderr]   Downloaded lending-iterator v0.1.7
[INFO] [stderr]   Downloaded sift-trait v0.3.0-alpha.2
[INFO] [stderr]   Downloaded ext-trait-proc_macros v1.0.1
[INFO] [stderr]   Downloaded ext-trait v1.0.1
[INFO] [stderr]   Downloaded arena-traits v0.2.3
[INFO] [stderr]   Downloaded nougat-proc_macros v0.2.4
[INFO] [stderr]   Downloaded extension-traits v1.0.1
[INFO] [stderr]   Downloaded lending-iterator-proc_macros v0.1.7
[INFO] [stderr]   Downloaded never-say-never v6.6.666
[INFO] [stderr]   Downloaded macro_rules_attribute-proc_macro v0.1.3
[INFO] [stderr]   Downloaded macro_rules_attribute v0.1.3
[INFO] [stderr]   Downloaded polonius-the-crab v0.2.1
[INFO] [stderr]   Downloaded ssa-traits v0.3.0-alpha.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1cb4ba2b84eac26a41115a7bfd73eef9827ec7f3799a05a4f6ae2942d18703bc
[INFO] running `Command { std: "docker" "start" "-a" "1cb4ba2b84eac26a41115a7bfd73eef9827ec7f3799a05a4f6ae2942d18703bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1cb4ba2b84eac26a41115a7bfd73eef9827ec7f3799a05a4f6ae2942d18703bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cb4ba2b84eac26a41115a7bfd73eef9827ec7f3799a05a4f6ae2942d18703bc", kill_on_drop: false }`
[INFO] [stdout] 1cb4ba2b84eac26a41115a7bfd73eef9827ec7f3799a05a4f6ae2942d18703bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d46639475bd8d5d8975de651ffc140d72fecf1fd6a1fe2dd24c9c6553b22ca16
[INFO] running `Command { std: "docker" "start" "-a" "d46639475bd8d5d8975de651ffc140d72fecf1fd6a1fe2dd24c9c6553b22ca16", 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 anyhow v1.0.98
[INFO] [stderr]    Compiling never-say-never v6.6.666
[INFO] [stderr]    Compiling arena-traits v0.2.3
[INFO] [stderr]    Compiling macro_rules_attribute v0.1.3
[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-cc v0.3.0-alpha.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::iter::empty`
[INFO] [stdout]  --> src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::empty;
[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 29.60s
[INFO] running `Command { std: "docker" "inspect" "d46639475bd8d5d8975de651ffc140d72fecf1fd6a1fe2dd24c9c6553b22ca16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d46639475bd8d5d8975de651ffc140d72fecf1fd6a1fe2dd24c9c6553b22ca16", kill_on_drop: false }`
[INFO] [stdout] d46639475bd8d5d8975de651ffc140d72fecf1fd6a1fe2dd24c9c6553b22ca16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 376c79e8c902613b845246e44d1dc810ead7421c8dfa83899ef710bd7160d237
[INFO] running `Command { std: "docker" "start" "-a" "376c79e8c902613b845246e44d1dc810ead7421c8dfa83899ef710bd7160d237", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `std::iter::empty`
[INFO] [stdout]  --> src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::empty;
[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-cc v0.3.0-alpha.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::iter::empty`
[INFO] [stdout]  --> src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::empty;
[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 0.44s
[INFO] running `Command { std: "docker" "inspect" "376c79e8c902613b845246e44d1dc810ead7421c8dfa83899ef710bd7160d237", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "376c79e8c902613b845246e44d1dc810ead7421c8dfa83899ef710bd7160d237", kill_on_drop: false }`
[INFO] [stdout] 376c79e8c902613b845246e44d1dc810ead7421c8dfa83899ef710bd7160d237
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1955eefd18dff6f8f49b1a43a41efc610fd9e39317988b736524bea347cee589
[INFO] running `Command { std: "docker" "start" "-a" "1955eefd18dff6f8f49b1a43a41efc610fd9e39317988b736524bea347cee589", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::iter::empty`
[INFO] [stderr]  --> src/lib.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::iter::empty;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ssa-cc` (lib) generated 1 warning (run `cargo fix --lib -p ssa-cc` to apply 1 suggestion)
[INFO] [stderr] warning: `ssa-cc` (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/ssa_cc-4faa76b227db8dab)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ssa_cc
[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] [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" "1955eefd18dff6f8f49b1a43a41efc610fd9e39317988b736524bea347cee589", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1955eefd18dff6f8f49b1a43a41efc610fd9e39317988b736524bea347cee589", kill_on_drop: false }`
[INFO] [stdout] 1955eefd18dff6f8f49b1a43a41efc610fd9e39317988b736524bea347cee589
