[INFO] fetching crate libprefetch 0.1.1...
[INFO] checking libprefetch-0.1.1 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate libprefetch 0.1.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate libprefetch 0.1.1 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate libprefetch 0.1.1
[INFO] finished tweaking crates.io crate libprefetch 0.1.1
[INFO] tweaked toml for crates.io crate libprefetch 0.1.1 written to /workspace/builds/worker-8/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] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 306696d1e0dd2c8b97f4534212e1c572671960aa683ec34b8b8fc83b992a0a8e
[INFO] running `"docker" "start" "-a" "306696d1e0dd2c8b97f4534212e1c572671960aa683ec34b8b8fc83b992a0a8e"`
[INFO] [stderr]     Checking libprefetch v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/prefetch.rs:39:44
[INFO] [stderr]    |
[INFO] [stderr] 39 |       -> super::Result<(FormatVersion, Box<super::parser::Parser>)> {
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn super::parser::Parser`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/prefetch.rs:96:15
[INFO] [stderr]    |
[INFO] [stderr] 96 |   parser: Box<super::parser::Parser>,
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn super::parser::Parser`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:49:30
[INFO] [stderr]    |
[INFO] [stderr] 49 |   fn cause(&self) -> Option<&std::error::Error> {
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/header.rs:29:7
[INFO] [stderr]    |
[INFO] [stderr] 29 |   Box<super::parser::Parser>)> {
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn super::parser::Parser`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/header.rs:31:44
[INFO] [stderr]    |
[INFO] [stderr] 31 |     let result: super::Result<(Header, Box<super::parser::Parser>)>;
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn super::parser::Parser`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/prefetch.rs:39:44
[INFO] [stderr]    |
[INFO] [stderr] 39 |       -> super::Result<(FormatVersion, Box<super::parser::Parser>)> {
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn super::parser::Parser`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/prefetch.rs:96:15
[INFO] [stderr]    |
[INFO] [stderr] 96 |   parser: Box<super::parser::Parser>,
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn super::parser::Parser`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:49:30
[INFO] [stderr]    |
[INFO] [stderr] 49 |   fn cause(&self) -> Option<&std::error::Error> {
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/header.rs:29:7
[INFO] [stderr]    |
[INFO] [stderr] 29 |   Box<super::parser::Parser>)> {
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn super::parser::Parser`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/header.rs:31:44
[INFO] [stderr]    |
[INFO] [stderr] 31 |     let result: super::Result<(Header, Box<super::parser::Parser>)>;
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn super::parser::Parser`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:44:34
[INFO] [stderr]    |
[INFO] [stderr] 44 |       Error::IOError(ref e) => e.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/error.rs:60:26
[INFO] [stderr]    |
[INFO] [stderr] 60 |     write!(f, "{}", self.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/error.rs:44:34
[INFO] [stderr]    |
[INFO] [stderr] 44 |       Error::IOError(ref e) => e.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/error.rs:60:26
[INFO] [stderr]    |
[INFO] [stderr] 60 |     write!(f, "{}", self.description())
[INFO] [stderr]    |                          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `parser`
[INFO] [stderr]   --> src/prefetch.rs:96:3
[INFO] [stderr]    |
[INFO] [stderr] 96 |   parser: Box<super::parser::Parser>,
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `parser`
[INFO] [stderr]   --> src/prefetch.rs:96:3
[INFO] [stderr]    |
[INFO] [stderr] 96 |   parser: Box<super::parser::Parser>,
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `"docker" "inspect" "306696d1e0dd2c8b97f4534212e1c572671960aa683ec34b8b8fc83b992a0a8e"`
[INFO] running `"docker" "rm" "-f" "306696d1e0dd2c8b97f4534212e1c572671960aa683ec34b8b8fc83b992a0a8e"`
[INFO] [stdout] 306696d1e0dd2c8b97f4534212e1c572671960aa683ec34b8b8fc83b992a0a8e