[INFO] fetching crate welder 0.3.0...
[INFO] testing welder-0.3.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate welder 0.3.0 into /workspace/builds/worker-36/source
[INFO] validating manifest of crates.io crate welder 0.3.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate welder 0.3.0
[INFO] finished tweaking crates.io crate welder 0.3.0
[INFO] tweaked toml for crates.io crate welder 0.3.0 written to /workspace/builds/worker-36/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f331b628188cc5fd79d3ce7e570399d2c69ec365f98751f8a5daded674c2ce61
[INFO] running `Command { std: "docker" "start" "-a" "f331b628188cc5fd79d3ce7e570399d2c69ec365f98751f8a5daded674c2ce61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f331b628188cc5fd79d3ce7e570399d2c69ec365f98751f8a5daded674c2ce61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f331b628188cc5fd79d3ce7e570399d2c69ec365f98751f8a5daded674c2ce61", kill_on_drop: false }`
[INFO] [stdout] f331b628188cc5fd79d3ce7e570399d2c69ec365f98751f8a5daded674c2ce61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b4d560aba72a85a01c82e6b46cafbceb7dfee1a7f13288256b47a7515e2d236
[INFO] running `Command { std: "docker" "start" "-a" "3b4d560aba72a85a01c82e6b46cafbceb7dfee1a7f13288256b47a7515e2d236", kill_on_drop: false }`
[INFO] [stderr]    Compiling welder v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "3b4d560aba72a85a01c82e6b46cafbceb7dfee1a7f13288256b47a7515e2d236", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b4d560aba72a85a01c82e6b46cafbceb7dfee1a7f13288256b47a7515e2d236", kill_on_drop: false }`
[INFO] [stdout] 3b4d560aba72a85a01c82e6b46cafbceb7dfee1a7f13288256b47a7515e2d236
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5634d087f16abc74d5cc3ab327c448cfe09ce51d1553e627c8860a9975656ca
[INFO] running `Command { std: "docker" "start" "-a" "c5634d087f16abc74d5cc3ab327c448cfe09ce51d1553e627c8860a9975656ca", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling welder v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "c5634d087f16abc74d5cc3ab327c448cfe09ce51d1553e627c8860a9975656ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5634d087f16abc74d5cc3ab327c448cfe09ce51d1553e627c8860a9975656ca", kill_on_drop: false }`
[INFO] [stdout] c5634d087f16abc74d5cc3ab327c448cfe09ce51d1553e627c8860a9975656ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1d73134e0b8181ffacfaf14be01db6fffc8dafcaea03f2042fcd7f6a611649c1
[INFO] running `Command { std: "docker" "start" "-a" "1d73134e0b8181ffacfaf14be01db6fffc8dafcaea03f2042fcd7f6a611649c1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.64s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/welder-044eedd2c775a628)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::string_welder_from_base ... ok
[INFO] [stdout] test tests::string_welder ... ok
[INFO] [stdout] test tests::string_welder_chain ... ok
[INFO] [stdout] test tests::string_welder_multiple ... ok
[INFO] [stdout] test tests::vec_welder_chain ... ok
[INFO] [stdout] test tests::vec_welder_multiple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests welder
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test src/lib.rs - Welder<G,T>::elem_glue_right (line 206) ... ok
[INFO] [stdout] test src/lib.rs - Welder<G,T>::elems_glue_both (line 330) ... ok
[INFO] [stdout] test src/lib.rs - Welder<G,T>::elem_glue_left (line 256) ... ok
[INFO] [stdout] test src/lib.rs - Welder<G,T>::new (line 45) ... ok
[INFO] [stdout] test src/lib.rs - Welder<G,T>::weld (line 88) ... ok
[INFO] [stdout] test src/lib.rs - Welder<G,T>::elems_glue_left (line 280) ... ok
[INFO] [stdout] test src/lib.rs - Welder<G,T>::elem (line 160) ... ok
[INFO] [stdout] test src/lib.rs - (line 5) ... ok
[INFO] [stdout] test src/lib.rs - Welder<G,T>::elems_no_glue (line 130) ... ok
[INFO] [stdout] test src/lib.rs - Welder<G,T>::with_start (line 65) ... ok
[INFO] [stdout] test src/lib.rs - (line 19) ... ok
[INFO] [stdout] test src/lib.rs - Welder<G,T>::elems_glue_right (line 230) ... ok
[INFO] [stdout] test src/lib.rs - Welder<G,T>::elem_no_glue (line 107) ... ok
[INFO] [stdout] test src/lib.rs - Welder<G,T>::elems (line 184) ... ok
[INFO] [stdout] test src/lib.rs - Welder<G,T>::elem_glue_both (line 305) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.52s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1d73134e0b8181ffacfaf14be01db6fffc8dafcaea03f2042fcd7f6a611649c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d73134e0b8181ffacfaf14be01db6fffc8dafcaea03f2042fcd7f6a611649c1", kill_on_drop: false }`
[INFO] [stdout] 1d73134e0b8181ffacfaf14be01db6fffc8dafcaea03f2042fcd7f6a611649c1