[INFO] fetching crate block-utils 0.7.0...
[INFO] checking block-utils-0.7.0 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate block-utils 0.7.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate block-utils 0.7.0 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate block-utils 0.7.0
[INFO] finished tweaking crates.io crate block-utils 0.7.0
[INFO] tweaked toml for crates.io crate block-utils 0.7.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fstab v0.3.1
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b96afd050bfeac996e8275b365cb79e817fb392ca7874e7b4841c4798215c708
[INFO] running `"docker" "start" "-a" "b96afd050bfeac996e8275b365cb79e817fb392ca7874e7b4841c4798215c708"`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling regex v1.0.6
[INFO] [stderr]    Compiling nix v0.11.1
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking shellscript v0.3.1
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking serde_json v1.0.52
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking nom v4.1.1
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking fstab v0.3.1
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking udev v0.2.0
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking block-utils v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `log`
[INFO] [stderr]  --> src/lib.rs:7:18
[INFO] [stderr]   |
[INFO] [stderr] 7 | use log::{debug, log, warn};
[INFO] [stderr]   |                  ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/lib.rs:85:26
[INFO] [stderr]    |
[INFO] [stderr] 85 |         f.write_str(self.description())
[INFO] [stderr]    |                          ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/lib.rs:93:50
[INFO] [stderr]    |
[INFO] [stderr] 93 |             BlockUtilsError::IoError(ref e) => e.description(),
[INFO] [stderr]    |                                                  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/lib.rs:94:57
[INFO] [stderr]    |
[INFO] [stderr] 94 |             BlockUtilsError::ParseBoolError(ref e) => e.description(),
[INFO] [stderr]    |                                                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/lib.rs:95:56
[INFO] [stderr]    |
[INFO] [stderr] 95 |             BlockUtilsError::ParseIntError(ref e) => e.description(),
[INFO] [stderr]    |                                                        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/lib.rs:96:53
[INFO] [stderr]    |
[INFO] [stderr] 96 |             BlockUtilsError::SerdeError(ref e) => e.description(),
[INFO] [stderr]    |                                                     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]     --> src/lib.rs:1594:33
[INFO] [stderr]      |
[INFO] [stderr] 1594 |             Err(nom::Err::Error(e)) | Err(nom::Err::Failure(e)) => Err(BlockUtilsError::new(
[INFO] [stderr]      |                                 ^                           ^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] help: if this is intentional, prefix it with an underscore
[INFO] [stderr]      |
[INFO] [stderr] 1594 |             Err(nom::Err::Error(_e)) | Err(nom::Err::Failure(_e)) => Err(BlockUtilsError::new(
[INFO] [stderr]      |                                 ^^                           ^^
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `log`
[INFO] [stderr]  --> src/lib.rs:7:18
[INFO] [stderr]   |
[INFO] [stderr] 7 | use log::{debug, log, warn};
[INFO] [stderr]   |                  ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/lib.rs:85:26
[INFO] [stderr]    |
[INFO] [stderr] 85 |         f.write_str(self.description())
[INFO] [stderr]    |                          ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/lib.rs:93:50
[INFO] [stderr]    |
[INFO] [stderr] 93 |             BlockUtilsError::IoError(ref e) => e.description(),
[INFO] [stderr]    |                                                  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/lib.rs:94:57
[INFO] [stderr]    |
[INFO] [stderr] 94 |             BlockUtilsError::ParseBoolError(ref e) => e.description(),
[INFO] [stderr]    |                                                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/lib.rs:95:56
[INFO] [stderr]    |
[INFO] [stderr] 95 |             BlockUtilsError::ParseIntError(ref e) => e.description(),
[INFO] [stderr]    |                                                        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/lib.rs:96:53
[INFO] [stderr]    |
[INFO] [stderr] 96 |             BlockUtilsError::SerdeError(ref e) => e.description(),
[INFO] [stderr]    |                                                     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]     --> src/lib.rs:1594:33
[INFO] [stderr]      |
[INFO] [stderr] 1594 |             Err(nom::Err::Error(e)) | Err(nom::Err::Failure(e)) => Err(BlockUtilsError::new(
[INFO] [stderr]      |                                 ^                           ^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] help: if this is intentional, prefix it with an underscore
[INFO] [stderr]      |
[INFO] [stderr] 1594 |             Err(nom::Err::Error(_e)) | Err(nom::Err::Failure(_e)) => Err(BlockUtilsError::new(
[INFO] [stderr]      |                                 ^^                           ^^
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.42s
[INFO] running `"docker" "inspect" "b96afd050bfeac996e8275b365cb79e817fb392ca7874e7b4841c4798215c708"`
[INFO] running `"docker" "rm" "-f" "b96afd050bfeac996e8275b365cb79e817fb392ca7874e7b4841c4798215c708"`
[INFO] [stdout] b96afd050bfeac996e8275b365cb79e817fb392ca7874e7b4841c4798215c708