[INFO] crate configuration 0.7.2 is already in cache
[INFO] testing configuration-0.7.2 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[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 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0937f041dd338881d5bb4f41f69c7f8da9c0ffc7cc3745718e9d8d3eb50a49eb
[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" "0937f041dd338881d5bb4f41f69c7f8da9c0ffc7cc3745718e9d8d3eb50a49eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0937f041dd338881d5bb4f41f69c7f8da9c0ffc7cc3745718e9d8d3eb50a49eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0937f041dd338881d5bb4f41f69c7f8da9c0ffc7cc3745718e9d8d3eb50a49eb", kill_on_drop: false }`
[INFO] [stdout] 0937f041dd338881d5bb4f41f69c7f8da9c0ffc7cc3745718e9d8d3eb50a49eb
[INFO] running `Command { std: "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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8417d41a885b7d00e32c6f48af3f70a66168d35584e73b806d34c8ca229b817a
[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" "8417d41a885b7d00e32c6f48af3f70a66168d35584e73b806d34c8ca229b817a", kill_on_drop: false }`
[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] [stdout] warning: use of deprecated item '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 item '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 item '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 item '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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.34s
[INFO] running `Command { std: "docker" "inspect" "8417d41a885b7d00e32c6f48af3f70a66168d35584e73b806d34c8ca229b817a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8417d41a885b7d00e32c6f48af3f70a66168d35584e73b806d34c8ca229b817a", kill_on_drop: false }`
[INFO] [stdout] 8417d41a885b7d00e32c6f48af3f70a66168d35584e73b806d34c8ca229b817a
[INFO] running `Command { std: "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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84d412b70596c7dee53541ee0d09fb8664da3397f6e8e7882305ce073d46875b
[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" "84d412b70596c7dee53541ee0d09fb8664da3397f6e8e7882305ce073d46875b", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated item '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 item '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 item '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 item '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] [stderr]    Compiling configuration v0.7.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item '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 item '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 item '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 item '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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.60s
[INFO] running `Command { std: "docker" "inspect" "84d412b70596c7dee53541ee0d09fb8664da3397f6e8e7882305ce073d46875b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84d412b70596c7dee53541ee0d09fb8664da3397f6e8e7882305ce073d46875b", kill_on_drop: false }`
[INFO] [stdout] 84d412b70596c7dee53541ee0d09fb8664da3397f6e8e7882305ce073d46875b
[INFO] running `Command { std: "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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", 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] a2c23b068ce04ee813a800b0a00774ea6965b0df9e738ddb221e973c28153cdf
[INFO] running `Command { std: "docker" "start" "-a" "a2c23b068ce04ee813a800b0a00774ea6965b0df9e738ddb221e973c28153cdf", kill_on_drop: false }`
[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 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/configuration-03a9eca8e34db36f
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tree::tests::branch ... ok
[INFO] [stdout] test tree::tests::forest ... ok
[INFO] [stderr]    Doc-tests configuration
[INFO] [stdout] test tree::tests::get ... ok
[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 `Command { std: "docker" "inspect" "a2c23b068ce04ee813a800b0a00774ea6965b0df9e738ddb221e973c28153cdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2c23b068ce04ee813a800b0a00774ea6965b0df9e738ddb221e973c28153cdf", kill_on_drop: false }`
[INFO] [stdout] a2c23b068ce04ee813a800b0a00774ea6965b0df9e738ddb221e973c28153cdf