[INFO] fetching crate configuration 0.7.2...
[INFO] checking configuration-0.7.2 against try#894d32a5432c6a6461bb2aac7c3d5f2e87dce83f for pr-77015
[INFO] extracting crate configuration 0.7.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate configuration 0.7.2 on toolchain 894d32a5432c6a6461bb2aac7c3d5f2e87dce83f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate configuration 0.7.2
[INFO] finished tweaking crates.io crate configuration 0.7.2
[INFO] tweaked toml for crates.io crate configuration 0.7.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d0a4a3885d46818f50930b8dfafe015db5fa521cbf15ee5c6b102d4b754788b
[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" "4d0a4a3885d46818f50930b8dfafe015db5fa521cbf15ee5c6b102d4b754788b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d0a4a3885d46818f50930b8dfafe015db5fa521cbf15ee5c6b102d4b754788b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d0a4a3885d46818f50930b8dfafe015db5fa521cbf15ee5c6b102d4b754788b", kill_on_drop: false }`
[INFO] [stdout] 4d0a4a3885d46818f50930b8dfafe015db5fa521cbf15ee5c6b102d4b754788b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 927ff1643d759dc5d2baefbcacb3a8bf8e4712a8d45ce1fe8233b1280568a242
[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" "927ff1643d759dc5d2baefbcacb3a8bf8e4712a8d45ce1fe8233b1280568a242", kill_on_drop: false }`
[INFO] [stderr]     Checking toml v0.1.30
[INFO] [stderr]     Checking options v0.5.1
[INFO] [stderr]     Checking configuration v0.7.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/format/toml.rs:25:42
[INFO] [stdout]    |
[INFO] [stdout] 25 |             Some(table) => Ok(Tree::from(try!(convert_table(table)))),
[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/format/toml.rs:35:24
[INFO] [stdout]    |
[INFO] [stdout] 35 |             nodes.push(try!(convert_table(inner)));
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/format/toml.rs:51:46
[INFO] [stdout]    |
[INFO] [stdout] 51 |             Value::Array(inner) => value.set(try!(convert_array(inner))),
[INFO] [stdout]    |                                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/format/toml.rs:57:46
[INFO] [stdout]    |
[INFO] [stdout] 57 |             Value::Table(inner) => value.set(try!(convert_table(inner))),
[INFO] [stdout]    |                                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/format/toml.rs:25:42
[INFO] [stdout]    |
[INFO] [stdout] 25 |             Some(table) => Ok(Tree::from(try!(convert_table(table)))),
[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/format/toml.rs:35:24
[INFO] [stdout]    |
[INFO] [stdout] 35 |             nodes.push(try!(convert_table(inner)));
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/format/toml.rs:51:46
[INFO] [stdout]    |
[INFO] [stdout] 51 |             Value::Array(inner) => value.set(try!(convert_array(inner))),
[INFO] [stdout]    |                                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/format/toml.rs:57:46
[INFO] [stdout]    |
[INFO] [stdout] 57 |             Value::Table(inner) => value.set(try!(convert_table(inner))),
[INFO] [stdout]    |                                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `Command { std: "docker" "inspect" "927ff1643d759dc5d2baefbcacb3a8bf8e4712a8d45ce1fe8233b1280568a242", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "927ff1643d759dc5d2baefbcacb3a8bf8e4712a8d45ce1fe8233b1280568a242", kill_on_drop: false }`
[INFO] [stdout] 927ff1643d759dc5d2baefbcacb3a8bf8e4712a8d45ce1fe8233b1280568a242