[INFO] fetching crate syncwrap 0.4.0...
[INFO] testing syncwrap-0.4.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate syncwrap 0.4.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate syncwrap 0.4.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate syncwrap 0.4.0
[INFO] finished tweaking crates.io crate syncwrap 0.4.0
[INFO] tweaked toml for crates.io crate syncwrap 0.4.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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" "+beta-2021-09-08" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 25334512fe08af7c5c91fcc47b3818081e295e69acd64b8db15584f4d723a79a
[INFO] running `Command { std: "docker" "start" "-a" "25334512fe08af7c5c91fcc47b3818081e295e69acd64b8db15584f4d723a79a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25334512fe08af7c5c91fcc47b3818081e295e69acd64b8db15584f4d723a79a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25334512fe08af7c5c91fcc47b3818081e295e69acd64b8db15584f4d723a79a", kill_on_drop: false }`
[INFO] [stdout] 25334512fe08af7c5c91fcc47b3818081e295e69acd64b8db15584f4d723a79a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 227bb5e0f25cba6d11745494fadb1509430ea13ff1665a4f7a5a8723eb0fb2ca
[INFO] running `Command { std: "docker" "start" "-a" "227bb5e0f25cba6d11745494fadb1509430ea13ff1665a4f7a5a8723eb0fb2ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling instant v0.1.10
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling syncwrap v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.52s
[INFO] running `Command { std: "docker" "inspect" "227bb5e0f25cba6d11745494fadb1509430ea13ff1665a4f7a5a8723eb0fb2ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "227bb5e0f25cba6d11745494fadb1509430ea13ff1665a4f7a5a8723eb0fb2ca", kill_on_drop: false }`
[INFO] [stdout] 227bb5e0f25cba6d11745494fadb1509430ea13ff1665a4f7a5a8723eb0fb2ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23df141b9c89c3f74e07fe4779919a004e5e8b38d017d2634f51e7939d6a89a8
[INFO] running `Command { std: "docker" "start" "-a" "23df141b9c89c3f74e07fe4779919a004e5e8b38d017d2634f51e7939d6a89a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling syncwrap v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "23df141b9c89c3f74e07fe4779919a004e5e8b38d017d2634f51e7939d6a89a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23df141b9c89c3f74e07fe4779919a004e5e8b38d017d2634f51e7939d6a89a8", kill_on_drop: false }`
[INFO] [stdout] 23df141b9c89c3f74e07fe4779919a004e5e8b38d017d2634f51e7939d6a89a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4f2a813031a143bee47f0aaaae52216f945e3f42e8c8004b71e60a24ffb428f8
[INFO] running `Command { std: "docker" "start" "-a" "4f2a813031a143bee47f0aaaae52216f945e3f42e8c8004b71e60a24ffb428f8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/syncwrap-685062ef00aa01e7)
[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] [stderr]    Doc-tests syncwrap
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - (line 47) ... ok
[INFO] [stdout] test src/lib.rs - (line 29) ... ok
[INFO] [stdout] test src/lib.rs - clone (line 163) ... ok
[INFO] [stdout] test src/lib.rs - clone_impl (line 216) ... ok
[INFO] [stdout] test src/lib.rs - (line 64) ... ok
[INFO] [stdout] test src/lib.rs - wrap (line 119) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.48s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4f2a813031a143bee47f0aaaae52216f945e3f42e8c8004b71e60a24ffb428f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f2a813031a143bee47f0aaaae52216f945e3f42e8c8004b71e60a24ffb428f8", kill_on_drop: false }`
[INFO] [stdout] 4f2a813031a143bee47f0aaaae52216f945e3f42e8c8004b71e60a24ffb428f8