[INFO] fetching crate welder 0.3.0...
[INFO] testing welder-0.3.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate welder 0.3.0 into /workspace/builds/worker-89/source
[INFO] validating manifest of crates.io crate welder 0.3.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-89/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f4fc994c82a17d1c2ce77c4d7077680dc4bdfb9c7dac1a5faac9823fe2104be
[INFO] running `Command { std: "docker" "start" "-a" "8f4fc994c82a17d1c2ce77c4d7077680dc4bdfb9c7dac1a5faac9823fe2104be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f4fc994c82a17d1c2ce77c4d7077680dc4bdfb9c7dac1a5faac9823fe2104be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f4fc994c82a17d1c2ce77c4d7077680dc4bdfb9c7dac1a5faac9823fe2104be", kill_on_drop: false }`
[INFO] [stdout] 8f4fc994c82a17d1c2ce77c4d7077680dc4bdfb9c7dac1a5faac9823fe2104be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 69336199bc6c273362b5002c1766ff9450222aa6d9bd9d2de272d49b4d59278e
[INFO] running `Command { std: "docker" "start" "-a" "69336199bc6c273362b5002c1766ff9450222aa6d9bd9d2de272d49b4d59278e", kill_on_drop: false }`
[INFO] [stderr]    Compiling welder v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "69336199bc6c273362b5002c1766ff9450222aa6d9bd9d2de272d49b4d59278e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69336199bc6c273362b5002c1766ff9450222aa6d9bd9d2de272d49b4d59278e", kill_on_drop: false }`
[INFO] [stdout] 69336199bc6c273362b5002c1766ff9450222aa6d9bd9d2de272d49b4d59278e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26c5e4e65732d04269bec0db2b015ff4920b71ae7f8311d207e6a5d82deac304
[INFO] running `Command { std: "docker" "start" "-a" "26c5e4e65732d04269bec0db2b015ff4920b71ae7f8311d207e6a5d82deac304", kill_on_drop: false }`
[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" "26c5e4e65732d04269bec0db2b015ff4920b71ae7f8311d207e6a5d82deac304", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26c5e4e65732d04269bec0db2b015ff4920b71ae7f8311d207e6a5d82deac304", kill_on_drop: false }`
[INFO] [stdout] 26c5e4e65732d04269bec0db2b015ff4920b71ae7f8311d207e6a5d82deac304
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a27d3582e44d1a238af57cb0468185d1ab76675d88bafb13541bec6252ae56ba
[INFO] running `Command { std: "docker" "start" "-a" "a27d3582e44d1a238af57cb0468185d1ab76675d88bafb13541bec6252ae56ba", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/welder-044eedd2c775a628)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[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] test tests::string_welder_from_base ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests welder
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test src/lib.rs - Welder<G,T>::new (line 45) ... ok
[INFO] [stdout] test src/lib.rs - Welder<G,T>::elem_no_glue (line 107) ... ok
[INFO] [stdout] test src/lib.rs - (line 19) ... ok
[INFO] [stdout] test src/lib.rs - Welder<G,T>::elem_glue_right (line 206) ... ok
[INFO] [stdout] test src/lib.rs - Welder<G,T>::elem (line 160) ... ok
[INFO] [stdout] test src/lib.rs - Welder<G,T>::with_start (line 65) ... 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>::weld (line 88) ... 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>::elems (line 184) ... 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>::elem_glue_both (line 305) ... ok
[INFO] [stdout] test src/lib.rs - (line 5) ... 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>::elems_glue_both (line 330) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.35s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a27d3582e44d1a238af57cb0468185d1ab76675d88bafb13541bec6252ae56ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a27d3582e44d1a238af57cb0468185d1ab76675d88bafb13541bec6252ae56ba", kill_on_drop: false }`
[INFO] [stdout] a27d3582e44d1a238af57cb0468185d1ab76675d88bafb13541bec6252ae56ba