[INFO] fetching crate rusty-data 0.0.3...
[INFO] checking rusty-data-0.0.3 against beta for pr-78714
[INFO] extracting crate rusty-data 0.0.3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate rusty-data 0.0.3 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 rusty-data 0.0.3
[INFO] finished tweaking crates.io crate rusty-data 0.0.3
[INFO] tweaked toml for crates.io crate rusty-data 0.0.3 written to /workspace/builds/worker-2/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-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" "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] 34f3f063905137e79838ae7d6b0a964876786d12ed49f48f3a2f1bb2a144a34d
[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" "34f3f063905137e79838ae7d6b0a964876786d12ed49f48f3a2f1bb2a144a34d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34f3f063905137e79838ae7d6b0a964876786d12ed49f48f3a2f1bb2a144a34d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34f3f063905137e79838ae7d6b0a964876786d12ed49f48f3a2f1bb2a144a34d", kill_on_drop: false }`
[INFO] [stdout] 34f3f063905137e79838ae7d6b0a964876786d12ed49f48f3a2f1bb2a144a34d
[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=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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1b3969d160316ca59de3eeb24c44d4ef0315955326a5b7256f3b829bc5ce3c3f
[INFO] running `Command { std: "docker" "start" "-a" "1b3969d160316ca59de3eeb24c44d4ef0315955326a5b7256f3b829bc5ce3c3f", kill_on_drop: false }`
[INFO] [stderr]     Checking rusty-data v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/loader.rs:80:17
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let f = try!(File::open(self.file));
[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/loader.rs:89:28
[INFO] [stdout]    |
[INFO] [stdout] 89 |                 let line = try!(line);
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/loader.rs:102:28
[INFO] [stdout]     |
[INFO] [stdout] 102 |                 let line = try!(line);
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/loader.rs:117:24
[INFO] [stdout]     |
[INFO] [stdout] 117 |             let line = try!(line);
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/loader.rs:80:17
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let f = try!(File::open(self.file));
[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/loader.rs:89:28
[INFO] [stdout]    |
[INFO] [stdout] 89 |                 let line = try!(line);
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/loader.rs:102:28
[INFO] [stdout]     |
[INFO] [stdout] 102 |                 let line = try!(line);
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/loader.rs:117:24
[INFO] [stdout]     |
[INFO] [stdout] 117 |             let line = try!(line);
[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 0.68s
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1b3969d160316ca59de3eeb24c44d4ef0315955326a5b7256f3b829bc5ce3c3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b3969d160316ca59de3eeb24c44d4ef0315955326a5b7256f3b829bc5ce3c3f", kill_on_drop: false }`
[INFO] [stdout] 1b3969d160316ca59de3eeb24c44d4ef0315955326a5b7256f3b829bc5ce3c3f