[INFO] fetching crate koopa 0.0.10...
[INFO] testing koopa-0.0.10 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate koopa 0.0.10 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate koopa 0.0.10
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate koopa 0.0.10
[INFO] tweaked toml for crates.io crate koopa 0.0.10 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate koopa 0.0.10 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate koopa 0.0.10 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4819314a34c708a61b3ec3805e26380a5533dd9af293e2ae9dce7552e3a0ad63
[INFO] running `Command { std: "docker" "start" "-a" "4819314a34c708a61b3ec3805e26380a5533dd9af293e2ae9dce7552e3a0ad63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4819314a34c708a61b3ec3805e26380a5533dd9af293e2ae9dce7552e3a0ad63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4819314a34c708a61b3ec3805e26380a5533dd9af293e2ae9dce7552e3a0ad63", kill_on_drop: false }`
[INFO] [stdout] 4819314a34c708a61b3ec3805e26380a5533dd9af293e2ae9dce7552e3a0ad63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4d27e3902fce4789c606148732bfa7b09197f74804bd5ad4a1f208073adf6af
[INFO] running `Command { std: "docker" "start" "-a" "e4d27e3902fce4789c606148732bfa7b09197f74804bd5ad4a1f208073adf6af", kill_on_drop: false }`
[INFO] [stderr]    Compiling siphasher v1.0.1
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling key-node-list v0.0.6
[INFO] [stderr]    Compiling colored v3.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling phf_shared v0.13.1
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling phf_generator v0.13.1
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]    Compiling phf_macros v0.13.1
[INFO] [stderr]    Compiling phf v0.13.1
[INFO] [stderr]    Compiling koopa v0.0.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.34s
[INFO] running `Command { std: "docker" "inspect" "e4d27e3902fce4789c606148732bfa7b09197f74804bd5ad4a1f208073adf6af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4d27e3902fce4789c606148732bfa7b09197f74804bd5ad4a1f208073adf6af", kill_on_drop: false }`
[INFO] [stdout] e4d27e3902fce4789c606148732bfa7b09197f74804bd5ad4a1f208073adf6af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca5366bccfe67e4e48953500095d49af1d4c7890a1058e59b9633f7b53c881c0
[INFO] running `Command { std: "docker" "start" "-a" "ca5366bccfe67e4e48953500095d49af1d4c7890a1058e59b9633f7b53c881c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling libloading v0.9.0
[INFO] [stderr]    Compiling koopa v0.0.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.88s
[INFO] running `Command { std: "docker" "inspect" "ca5366bccfe67e4e48953500095d49af1d4c7890a1058e59b9633f7b53c881c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca5366bccfe67e4e48953500095d49af1d4c7890a1058e59b9633f7b53c881c0", kill_on_drop: false }`
[INFO] [stdout] ca5366bccfe67e4e48953500095d49af1d4c7890a1058e59b9633f7b53c881c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a52fa2b471ee1375bd582ebb1f94bef3ca0289d570410a91ebfccd15e1a336aa
[INFO] running `Command { std: "docker" "start" "-a" "a52fa2b471ee1375bd582ebb1f94bef3ca0289d570410a91ebfccd15e1a336aa", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/koopa-1f1d449505dcd6d2)
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test back::llvm::test::dump_ir ... ok
[INFO] [stdout] test back::koopa::test::dump_nested_loop ... ok
[INFO] [stdout] test back::llvm::test::dump_ir_bb_params ... ok
[INFO] [stdout] test back::llvm::test::dump_underlined_symbols ... ok
[INFO] [stdout] test back::llvm::test::dump_nested_loop ... ok
[INFO] [stdout] test back::koopa::test::dump_ir ... ok
[INFO] [stdout] test front::span::test::pos_update ... ok
[INFO] [stdout] test front::driver::test::generate_duplicate_symbol ... ok
[INFO] [stdout] test back::koopa::test::dump_ir_bb_params ... ok
[INFO] [stdout] test front::parser::test::parse_error ... ok
[INFO] [stdout] test front::parser::test::parse_string ... ok
[INFO] [stdout] test front::driver::test::generate_br_with_same_bbs_and_args ... ok
[INFO] [stdout] test front::driver::test::generate_ir ... ok
[INFO] [stdout] test front::lexer::test::read_tokens ... ok
[INFO] [stdout] test front::driver::test::generate_ir_bb_params ... ok
[INFO] [stdout] test front::span::test::span_update ... ok
[INFO] [stdout] test front::driver::test::generate_nested_loop ... ok
[INFO] [stdout] test ir::dfg::test::value_eq ... ok
[INFO] [stdout] test ir::types::test::print_type ... ok
[INFO] [stdout] test ir::types::test::type_eq ... ok
[INFO] [stdout] test ir::types::test::type_size ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests koopa
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/back/mod.rs - back (line 42) - compile ... ok
[INFO] [stdout] test src/front/mod.rs - front (line 41) - compile ... ok
[INFO] [stdout] test src/back/mod.rs - back (line 15) ... ok
[INFO] [stdout] test src/opt/mod.rs - opt (line 15) ... ok
[INFO] [stdout] test src/ir/mod.rs - ir::builder_traits (line 93) ... ok
[INFO] [stdout] test src/ir/mod.rs - ir (line 38) ... ok
[INFO] [stdout] test src/front/mod.rs - front (line 15) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.52s; merged doctests compilation took 0.51s
[INFO] running `Command { std: "docker" "inspect" "a52fa2b471ee1375bd582ebb1f94bef3ca0289d570410a91ebfccd15e1a336aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a52fa2b471ee1375bd582ebb1f94bef3ca0289d570410a91ebfccd15e1a336aa", kill_on_drop: false }`
[INFO] [stdout] a52fa2b471ee1375bd582ebb1f94bef3ca0289d570410a91ebfccd15e1a336aa