[INFO] fetching crate configuration 0.7.2...
[INFO] testing configuration-0.7.2 against 1.44.0 for beta-1.45-1
[INFO] extracting crate configuration 0.7.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate configuration 0.7.2 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2552b04e0d10f8d494888e1b793fa40643815cbf0c7125e461270f873743e7e2
[INFO] running `"docker" "start" "-a" "2552b04e0d10f8d494888e1b793fa40643815cbf0c7125e461270f873743e7e2"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling toml v0.1.30
[INFO] [stderr]    Compiling options v0.5.1
[INFO] [stderr]    Compiling configuration v0.7.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/format/toml.rs:25:42
[INFO] [stderr]    |
[INFO] [stderr] 25 |             Some(table) => Ok(Tree::from(try!(convert_table(table)))),
[INFO] [stderr]    |                                          ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/format/toml.rs:35:24
[INFO] [stderr]    |
[INFO] [stderr] 35 |             nodes.push(try!(convert_table(inner)));
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/format/toml.rs:51:46
[INFO] [stderr]    |
[INFO] [stderr] 51 |             Value::Array(inner) => value.set(try!(convert_array(inner))),
[INFO] [stderr]    |                                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/format/toml.rs:57:46
[INFO] [stderr]    |
[INFO] [stderr] 57 |             Value::Table(inner) => value.set(try!(convert_table(inner))),
[INFO] [stderr]    |                                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.44s
[INFO] running `"docker" "inspect" "2552b04e0d10f8d494888e1b793fa40643815cbf0c7125e461270f873743e7e2"`
[INFO] running `"docker" "rm" "-f" "2552b04e0d10f8d494888e1b793fa40643815cbf0c7125e461270f873743e7e2"`
[INFO] [stdout] 2552b04e0d10f8d494888e1b793fa40643815cbf0c7125e461270f873743e7e2
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6f8ea9186241c8a88b45591c6d11079873798370a7e8db4875882610816fdcae
[INFO] running `"docker" "start" "-a" "6f8ea9186241c8a88b45591c6d11079873798370a7e8db4875882610816fdcae"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling configuration v0.7.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/format/toml.rs:25:42
[INFO] [stderr]    |
[INFO] [stderr] 25 |             Some(table) => Ok(Tree::from(try!(convert_table(table)))),
[INFO] [stderr]    |                                          ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/format/toml.rs:35:24
[INFO] [stderr]    |
[INFO] [stderr] 35 |             nodes.push(try!(convert_table(inner)));
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/format/toml.rs:51:46
[INFO] [stderr]    |
[INFO] [stderr] 51 |             Value::Array(inner) => value.set(try!(convert_array(inner))),
[INFO] [stderr]    |                                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/format/toml.rs:57:46
[INFO] [stderr]    |
[INFO] [stderr] 57 |             Value::Table(inner) => value.set(try!(convert_table(inner))),
[INFO] [stderr]    |                                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/format/toml.rs:25:42
[INFO] [stderr]    |
[INFO] [stderr] 25 |             Some(table) => Ok(Tree::from(try!(convert_table(table)))),
[INFO] [stderr]    |                                          ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/format/toml.rs:35:24
[INFO] [stderr]    |
[INFO] [stderr] 35 |             nodes.push(try!(convert_table(inner)));
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/format/toml.rs:51:46
[INFO] [stderr]    |
[INFO] [stderr] 51 |             Value::Array(inner) => value.set(try!(convert_array(inner))),
[INFO] [stderr]    |                                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/format/toml.rs:57:46
[INFO] [stderr]    |
[INFO] [stderr] 57 |             Value::Table(inner) => value.set(try!(convert_table(inner))),
[INFO] [stderr]    |                                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `"docker" "inspect" "6f8ea9186241c8a88b45591c6d11079873798370a7e8db4875882610816fdcae"`
[INFO] running `"docker" "rm" "-f" "6f8ea9186241c8a88b45591c6d11079873798370a7e8db4875882610816fdcae"`
[INFO] [stdout] 6f8ea9186241c8a88b45591c6d11079873798370a7e8db4875882610816fdcae
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6f0c414fc7814c8fbd88f9079c461f6fde52c2e73053c5659a1cf1b78c16c1f4
[INFO] running `"docker" "start" "-a" "6f0c414fc7814c8fbd88f9079c461f6fde52c2e73053c5659a1cf1b78c16c1f4"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/format/toml.rs:25:42
[INFO] [stderr]    |
[INFO] [stderr] 25 |             Some(table) => Ok(Tree::from(try!(convert_table(table)))),
[INFO] [stderr]    |                                          ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/format/toml.rs:35:24
[INFO] [stderr]    |
[INFO] [stderr] 35 |             nodes.push(try!(convert_table(inner)));
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/format/toml.rs:51:46
[INFO] [stderr]    |
[INFO] [stderr] 51 |             Value::Array(inner) => value.set(try!(convert_array(inner))),
[INFO] [stderr]    |                                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/format/toml.rs:57:46
[INFO] [stderr]    |
[INFO] [stderr] 57 |             Value::Table(inner) => value.set(try!(convert_table(inner))),
[INFO] [stderr]    |                                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/format/toml.rs:25:42
[INFO] [stderr]    |
[INFO] [stderr] 25 |             Some(table) => Ok(Tree::from(try!(convert_table(table)))),
[INFO] [stderr]    |                                          ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/format/toml.rs:35:24
[INFO] [stderr]    |
[INFO] [stderr] 35 |             nodes.push(try!(convert_table(inner)));
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/format/toml.rs:51:46
[INFO] [stderr]    |
[INFO] [stderr] 51 |             Value::Array(inner) => value.set(try!(convert_array(inner))),
[INFO] [stderr]    |                                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/format/toml.rs:57:46
[INFO] [stderr]    |
[INFO] [stderr] 57 |             Value::Table(inner) => value.set(try!(convert_table(inner))),
[INFO] [stderr]    |                                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/configuration-521c3793a47cf901
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tree::tests::branch ... ok
[INFO] [stdout] test tree::tests::forest ... ok
[INFO] [stdout] test tree::tests::get ... ok
[INFO] [stderr]    Doc-tests configuration
[INFO] [stdout] test tree::tests::set ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 3) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "6f0c414fc7814c8fbd88f9079c461f6fde52c2e73053c5659a1cf1b78c16c1f4"`
[INFO] running `"docker" "rm" "-f" "6f0c414fc7814c8fbd88f9079c461f6fde52c2e73053c5659a1cf1b78c16c1f4"`
[INFO] [stdout] 6f0c414fc7814c8fbd88f9079c461f6fde52c2e73053c5659a1cf1b78c16c1f4