[INFO] fetching crate experimental-reactive 0.0.3...
[INFO] checking experimental-reactive-0.0.3 against try#b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f for pr-76104
[INFO] extracting crate experimental-reactive 0.0.3 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate experimental-reactive 0.0.3 on toolchain b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate experimental-reactive 0.0.3
[INFO] finished tweaking crates.io crate experimental-reactive 0.0.3
[INFO] tweaked toml for crates.io crate experimental-reactive 0.0.3 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "metadata" "--no-deps" "--format-version=1", 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] 742f7da44656540a15c71ce83a30dd9b65fae6a297d88e997bb70dcb7bd35397
[INFO] running `Command { std: "docker" "start" "-a" "742f7da44656540a15c71ce83a30dd9b65fae6a297d88e997bb70dcb7bd35397", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "742f7da44656540a15c71ce83a30dd9b65fae6a297d88e997bb70dcb7bd35397", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "742f7da44656540a15c71ce83a30dd9b65fae6a297d88e997bb70dcb7bd35397", kill_on_drop: false }`
[INFO] [stdout] 742f7da44656540a15c71ce83a30dd9b65fae6a297d88e997bb70dcb7bd35397
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "check" "--frozen" "--all" "--all-targets" "--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] 7e2c0a5273076f405119c9456cd3c3411e552738a20f8722d4a7cf38a4e98d57
[INFO] running `Command { std: "docker" "start" "-a" "7e2c0a5273076f405119c9456cd3c3411e552738a20f8722d4a7cf38a4e98d57", kill_on_drop: false }`
[INFO] [stderr]     Checking experimental-reactive v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/activator.rs:67:15
[INFO] [stdout]    |
[INFO] [stdout] 67 |         let value = try!(src.pull());
[INFO] [stdout]    |                     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/activator.rs:68:3
[INFO] [stdout]    |
[INFO] [stdout] 68 |         try!(slt.push(value));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/activator.rs:102:16
[INFO] [stdout]     |
[INFO] [stdout] 102 |             let value = try!(src.pull());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/activator.rs:103:4
[INFO] [stdout]     |
[INFO] [stdout] 103 |             try!(slt.push(value));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/activator.rs:67:15
[INFO] [stdout]    |
[INFO] [stdout] 67 |         let value = try!(src.pull());
[INFO] [stdout]    |                     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/activator.rs:68:3
[INFO] [stdout]    |
[INFO] [stdout] 68 |         try!(slt.push(value));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/activator.rs:102:16
[INFO] [stdout]     |
[INFO] [stdout] 102 |             let value = try!(src.pull());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/activator.rs:103:4
[INFO] [stdout]     |
[INFO] [stdout] 103 |             try!(slt.push(value));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7e2c0a5273076f405119c9456cd3c3411e552738a20f8722d4a7cf38a4e98d57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e2c0a5273076f405119c9456cd3c3411e552738a20f8722d4a7cf38a4e98d57", kill_on_drop: false }`
[INFO] [stdout] 7e2c0a5273076f405119c9456cd3c3411e552738a20f8722d4a7cf38a4e98d57