[INFO] fetching crate tishlang_opt 1.7.0...
[INFO] testing tishlang_opt-1.7.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate tishlang_opt 1.7.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate tishlang_opt 1.7.0
[INFO] finished tweaking crates.io crate tishlang_opt 1.7.0
[INFO] tweaked toml for crates.io crate tishlang_opt 1.7.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tishlang_opt 1.7.0 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 tishlang_opt 1.7.0 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 94d5a758c1453990843f4363ca72d0da56280cc4df05d6bfb19c349f31fbf27f
[INFO] running `Command { std: "docker" "start" "-a" "94d5a758c1453990843f4363ca72d0da56280cc4df05d6bfb19c349f31fbf27f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94d5a758c1453990843f4363ca72d0da56280cc4df05d6bfb19c349f31fbf27f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94d5a758c1453990843f4363ca72d0da56280cc4df05d6bfb19c349f31fbf27f", kill_on_drop: false }`
[INFO] [stdout] 94d5a758c1453990843f4363ca72d0da56280cc4df05d6bfb19c349f31fbf27f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 388cf4faa4cc7beeb9956965e5820889d3187d514915ac91482c3c970bc53a76
[INFO] running `Command { std: "docker" "start" "-a" "388cf4faa4cc7beeb9956965e5820889d3187d514915ac91482c3c970bc53a76", kill_on_drop: false }`
[INFO] [stderr]    Compiling tishlang_ast v1.7.0
[INFO] [stderr]    Compiling tishlang_opt v1.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "388cf4faa4cc7beeb9956965e5820889d3187d514915ac91482c3c970bc53a76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "388cf4faa4cc7beeb9956965e5820889d3187d514915ac91482c3c970bc53a76", kill_on_drop: false }`
[INFO] [stdout] 388cf4faa4cc7beeb9956965e5820889d3187d514915ac91482c3c970bc53a76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] fd41bb84b8858f5d4284f75313e98ac9ece32ed32b0399412eb3b287271a0419
[INFO] running `Command { std: "docker" "start" "-a" "fd41bb84b8858f5d4284f75313e98ac9ece32ed32b0399412eb3b287271a0419", kill_on_drop: false }`
[INFO] [stderr]    Compiling tishlang_lexer v1.7.0
[INFO] [stderr]    Compiling tishlang_parser v1.7.0
[INFO] [stderr]    Compiling tishlang_opt v1.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.74s
[INFO] running `Command { std: "docker" "inspect" "fd41bb84b8858f5d4284f75313e98ac9ece32ed32b0399412eb3b287271a0419", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd41bb84b8858f5d4284f75313e98ac9ece32ed32b0399412eb3b287271a0419", kill_on_drop: false }`
[INFO] [stdout] fd41bb84b8858f5d4284f75313e98ac9ece32ed32b0399412eb3b287271a0419
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 4ebb43ba7c4d260bde3e2de8d47834aad7be0b25c8532a178117ed4aefc40dc2
[INFO] running `Command { std: "docker" "start" "-a" "4ebb43ba7c4d260bde3e2de8d47834aad7be0b25c8532a178117ed4aefc40dc2", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tishlang_opt-e48f1738be02b92b)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test tests::algebraic_simplify_pow_zero ... ok
[INFO] [stdout] test tests::algebraic_simplify_x_plus_zero ... ok
[INFO] [stdout] test tests::algebraic_simplify_x_times_one ... ok
[INFO] [stdout] test tests::conditional_simplify_true ... ok
[INFO] [stdout] test tests::constant_fold_add ... ok
[INFO] [stdout] test tests::short_circuit_false_and ... ok
[INFO] [stdout] test tests::constant_fold_unary_neg ... ok
[INFO] [stdout] test tests::nullish_coalesce_null_simplify ... ok
[INFO] [stdout] test tests::algebraic_simplify_one_pow_x ... ok
[INFO] [stdout] test tests::algebraic_simplify_pow_one ... ok
[INFO] [stdout] test tests::algebraic_simplify_chain ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tishlang_opt
[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" "4ebb43ba7c4d260bde3e2de8d47834aad7be0b25c8532a178117ed4aefc40dc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ebb43ba7c4d260bde3e2de8d47834aad7be0b25c8532a178117ed4aefc40dc2", kill_on_drop: false }`
[INFO] [stdout] 4ebb43ba7c4d260bde3e2de8d47834aad7be0b25c8532a178117ed4aefc40dc2