[INFO] fetching crate welder 0.3.0...
[INFO] testing welder-0.3.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate welder 0.3.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate welder 0.3.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de4cc5fdba2bb3dac22c360946fc66d9fcaa001b0b99973270bff2b52ec331c3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "de4cc5fdba2bb3dac22c360946fc66d9fcaa001b0b99973270bff2b52ec331c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de4cc5fdba2bb3dac22c360946fc66d9fcaa001b0b99973270bff2b52ec331c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de4cc5fdba2bb3dac22c360946fc66d9fcaa001b0b99973270bff2b52ec331c3", kill_on_drop: false }`
[INFO] [stdout] de4cc5fdba2bb3dac22c360946fc66d9fcaa001b0b99973270bff2b52ec331c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd95295a06c06bcf82a17b86ee37135ae0d234af9ce7d6d2320e03b3306e15ce
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bd95295a06c06bcf82a17b86ee37135ae0d234af9ce7d6d2320e03b3306e15ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling welder v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `Command { std: "docker" "inspect" "bd95295a06c06bcf82a17b86ee37135ae0d234af9ce7d6d2320e03b3306e15ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd95295a06c06bcf82a17b86ee37135ae0d234af9ce7d6d2320e03b3306e15ce", kill_on_drop: false }`
[INFO] [stdout] bd95295a06c06bcf82a17b86ee37135ae0d234af9ce7d6d2320e03b3306e15ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f6b6c92207550f11b03cb89216b5ec26539d2d6b8d5537e69680d9de79142c47
[INFO] running `Command { std: "docker" "start" "-a" "f6b6c92207550f11b03cb89216b5ec26539d2d6b8d5537e69680d9de79142c47", 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] [stderr]    Compiling welder v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.55s
[INFO] running `Command { std: "docker" "inspect" "f6b6c92207550f11b03cb89216b5ec26539d2d6b8d5537e69680d9de79142c47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6b6c92207550f11b03cb89216b5ec26539d2d6b8d5537e69680d9de79142c47", kill_on_drop: false }`
[INFO] [stdout] f6b6c92207550f11b03cb89216b5ec26539d2d6b8d5537e69680d9de79142c47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4ba939448683e15e1610b4d39dd66b5047ae725ec09f4a682a100eabb35114ae
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4ba939448683e15e1610b4d39dd66b5047ae725ec09f4a682a100eabb35114ae", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/welder-fb3564f0cc8e467e)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::string_welder_multiple ... ok
[INFO] [stdout] test tests::string_welder_from_base ... ok
[INFO] [stdout] test tests::vec_welder_chain ... ok
[INFO] [stdout] test tests::string_welder ... ok
[INFO] [stdout] test tests::string_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 0.00s
[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 - (line 5) ... 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>::elem_glue_left (line 256) ... 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_no_glue (line 130) ... ok
[INFO] [stdout] test src/lib.rs - Welder<G,T>::elem_glue_right (line 206) ... ok
[INFO] [stdout] test src/lib.rs - (line 19) ... ok
[INFO] [stdout] test src/lib.rs - Welder<G,T>::elem_glue_both (line 305) ... 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>::with_start (line 65) ... ok
[INFO] [stdout] test src/lib.rs - Welder<G,T>::weld (line 88) ... ok
[INFO] [stdout] test src/lib.rs - Welder<G,T>::elems (line 184) ... 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 (line 160) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.83s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4ba939448683e15e1610b4d39dd66b5047ae725ec09f4a682a100eabb35114ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ba939448683e15e1610b4d39dd66b5047ae725ec09f4a682a100eabb35114ae", kill_on_drop: false }`
[INFO] [stdout] 4ba939448683e15e1610b4d39dd66b5047ae725ec09f4a682a100eabb35114ae