[INFO] fetching crate var 0.0.1...
[INFO] testing var-0.0.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate var 0.0.1 into /workspace/builds/worker-75/source
[INFO] validating manifest of crates.io crate var 0.0.1 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 var 0.0.1
[INFO] finished tweaking crates.io crate var 0.0.1
[INFO] tweaked toml for crates.io crate var 0.0.1 written to /workspace/builds/worker-75/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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] 86bc3993a0c8fd7797b642c4a8755231fe77a267fe8cff0e0d2fc50f80b10589
[INFO] running `Command { std: "docker" "start" "-a" "86bc3993a0c8fd7797b642c4a8755231fe77a267fe8cff0e0d2fc50f80b10589", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86bc3993a0c8fd7797b642c4a8755231fe77a267fe8cff0e0d2fc50f80b10589", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86bc3993a0c8fd7797b642c4a8755231fe77a267fe8cff0e0d2fc50f80b10589", kill_on_drop: false }`
[INFO] [stdout] 86bc3993a0c8fd7797b642c4a8755231fe77a267fe8cff0e0d2fc50f80b10589
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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] 424b03c23b78cb9942509b8f9214eab016aa784335daa1baedbdf4807e255d98
[INFO] running `Command { std: "docker" "start" "-a" "424b03c23b78cb9942509b8f9214eab016aa784335daa1baedbdf4807e255d98", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling var v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "424b03c23b78cb9942509b8f9214eab016aa784335daa1baedbdf4807e255d98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "424b03c23b78cb9942509b8f9214eab016aa784335daa1baedbdf4807e255d98", kill_on_drop: false }`
[INFO] [stdout] 424b03c23b78cb9942509b8f9214eab016aa784335daa1baedbdf4807e255d98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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] 94fc779e8a8ba9550f1c54a7a8bea9f8d9301225391b71904e997b595e1dec2c
[INFO] running `Command { std: "docker" "start" "-a" "94fc779e8a8ba9550f1c54a7a8bea9f8d9301225391b71904e997b595e1dec2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling var v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "94fc779e8a8ba9550f1c54a7a8bea9f8d9301225391b71904e997b595e1dec2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94fc779e8a8ba9550f1c54a7a8bea9f8d9301225391b71904e997b595e1dec2c", kill_on_drop: false }`
[INFO] [stdout] 94fc779e8a8ba9550f1c54a7a8bea9f8d9301225391b71904e997b595e1dec2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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] 9dc6d3371c1fea79ca212c6f769e40dbf1ef1680699d0b152a208807fef99b11
[INFO] running `Command { std: "docker" "start" "-a" "9dc6d3371c1fea79ca212c6f769e40dbf1ef1680699d0b152a208807fef99b11", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.16s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/var-bbd9259727005d37)
[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]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-d57d146c3e4939f2)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests var
[INFO] [stdout] running 3 tests
[INFO] [stdout] test one ... ok
[INFO] [stdout] test zero ... ok
[INFO] [stdout] test two ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 39) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.40s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9dc6d3371c1fea79ca212c6f769e40dbf1ef1680699d0b152a208807fef99b11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dc6d3371c1fea79ca212c6f769e40dbf1ef1680699d0b152a208807fef99b11", kill_on_drop: false }`
[INFO] [stdout] 9dc6d3371c1fea79ca212c6f769e40dbf1ef1680699d0b152a208807fef99b11