[INFO] crate configuration 0.7.2 is already in cache
[INFO] testing configuration-0.7.2 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate configuration 0.7.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate configuration 0.7.2 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "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-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=forbid" "-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" "+41997647ba6a77908f6ef64401414feb00bccf16" "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] 68df4bbeea51485fda3c848d14f447cdd1f9b2456f750cf1c62aea7aae74398c
[INFO] running `"docker" "start" "-a" "68df4bbeea51485fda3c848d14f447cdd1f9b2456f750cf1c62aea7aae74398c"`
[INFO] [stderr]    Compiling options v0.5.1
[INFO] [stderr]    Compiling toml v0.1.30
[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 3.74s
[INFO] running `"docker" "inspect" "68df4bbeea51485fda3c848d14f447cdd1f9b2456f750cf1c62aea7aae74398c"`
[INFO] running `"docker" "rm" "-f" "68df4bbeea51485fda3c848d14f447cdd1f9b2456f750cf1c62aea7aae74398c"`
[INFO] [stdout] 68df4bbeea51485fda3c848d14f447cdd1f9b2456f750cf1c62aea7aae74398c
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=forbid" "-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" "+41997647ba6a77908f6ef64401414feb00bccf16" "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] 2de52e3b71f143abc89395459b96f70133cddab2fdf7bb3871b99a8d694fd9cc
[INFO] running `"docker" "start" "-a" "2de52e3b71f143abc89395459b96f70133cddab2fdf7bb3871b99a8d694fd9cc"`
[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 1.89s
[INFO] running `"docker" "inspect" "2de52e3b71f143abc89395459b96f70133cddab2fdf7bb3871b99a8d694fd9cc"`
[INFO] running `"docker" "rm" "-f" "2de52e3b71f143abc89395459b96f70133cddab2fdf7bb3871b99a8d694fd9cc"`
[INFO] [stdout] 2de52e3b71f143abc89395459b96f70133cddab2fdf7bb3871b99a8d694fd9cc
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=forbid" "-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" "+41997647ba6a77908f6ef64401414feb00bccf16" "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] 74b2940357b3b50a3edc4a4eb2ebf9bbe76affc61345d2aae718b23f6b464e4e
[INFO] running `"docker" "start" "-a" "74b2940357b3b50a3edc4a4eb2ebf9bbe76affc61345d2aae718b23f6b464e4e"`
[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 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/configuration-16572a87e49c8cea
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tree::tests::set ... ok
[INFO] [stdout] test tree::tests::get ... ok
[INFO] [stdout] test tree::tests::branch ... ok
[INFO] [stdout] test tree::tests::forest ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests configuration
[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" "74b2940357b3b50a3edc4a4eb2ebf9bbe76affc61345d2aae718b23f6b464e4e"`
[INFO] running `"docker" "rm" "-f" "74b2940357b3b50a3edc4a4eb2ebf9bbe76affc61345d2aae718b23f6b464e4e"`
[INFO] [stdout] 74b2940357b3b50a3edc4a4eb2ebf9bbe76affc61345d2aae718b23f6b464e4e