[INFO] fetching crate bigwise 0.4.0...
[INFO] checking bigwise-0.4.0 against beta for pr-78714
[INFO] extracting crate bigwise 0.4.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate bigwise 0.4.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bigwise 0.4.0
[INFO] finished tweaking crates.io crate bigwise 0.4.0
[INFO] tweaked toml for crates.io crate bigwise 0.4.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1bcd077d2537753bdbdd29e93936e6bf9170b875d11d48abfc4b780f01d28f49
[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" "1bcd077d2537753bdbdd29e93936e6bf9170b875d11d48abfc4b780f01d28f49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1bcd077d2537753bdbdd29e93936e6bf9170b875d11d48abfc4b780f01d28f49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bcd077d2537753bdbdd29e93936e6bf9170b875d11d48abfc4b780f01d28f49", kill_on_drop: false }`
[INFO] [stdout] 1bcd077d2537753bdbdd29e93936e6bf9170b875d11d48abfc4b780f01d28f49
[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" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b9eb3ab86cc899df7bb07fe5a6e13d0311458c3912b2f6d3f9ca4a66f88ef8d
[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" "9b9eb3ab86cc899df7bb07fe5a6e13d0311458c3912b2f6d3f9ca4a66f88ef8d", kill_on_drop: false }`
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking bigwise v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/bw64.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 |             try!(f.write_str(&format!("{:08b}", b)));
[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/bwpair.rs:143:9
[INFO] [stdout]     |
[INFO] [stdout] 143 |         try!(self.left.fmt(f));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/bwpair.rs:144:9
[INFO] [stdout]     |
[INFO] [stdout] 144 |         try!(self.right.fmt(f));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking env_logger v0.3.5
[INFO] [stderr]     Checking quickcheck v0.2.27
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/bw64.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 |             try!(f.write_str(&format!("{:08b}", b)));
[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/bwpair.rs:143:9
[INFO] [stdout]     |
[INFO] [stdout] 143 |         try!(self.left.fmt(f));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/bwpair.rs:144:9
[INFO] [stdout]     |
[INFO] [stdout] 144 |         try!(self.right.fmt(f));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.37s
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9b9eb3ab86cc899df7bb07fe5a6e13d0311458c3912b2f6d3f9ca4a66f88ef8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b9eb3ab86cc899df7bb07fe5a6e13d0311458c3912b2f6d3f9ca4a66f88ef8d", kill_on_drop: false }`
[INFO] [stdout] 9b9eb3ab86cc899df7bb07fe5a6e13d0311458c3912b2f6d3f9ca4a66f88ef8d