[INFO] fetching crate libflo_cmdline_host 0.1.2...
[INFO] checking libflo_cmdline_host-0.1.2 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate libflo_cmdline_host 0.1.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate libflo_cmdline_host 0.1.2 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate libflo_cmdline_host 0.1.2
[INFO] removed path dependency libflo from crates.io crate libflo_cmdline_host 0.1.2
[INFO] removed path dependency libflo_dynamic_event from crates.io crate libflo_cmdline_host 0.1.2
[INFO] removed path dependency libflo_event from crates.io crate libflo_cmdline_host 0.1.2
[INFO] removed path dependency libflo_func from crates.io crate libflo_cmdline_host 0.1.2
[INFO] removed path dependency libflo_module from crates.io crate libflo_cmdline_host 0.1.2
[INFO] finished tweaking crates.io crate libflo_cmdline_host 0.1.2
[INFO] tweaked toml for crates.io crate libflo_cmdline_host 0.1.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] cc85008a812b012dd4734f114391195794fa651987a779dff66351979510d5ce
[INFO] running `"docker" "start" "-a" "cc85008a812b012dd4734f114391195794fa651987a779dff66351979510d5ce"`
[INFO] [stderr]     Checking libflo_cmdline_host v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/backend/program.rs:15:33
[INFO] [stderr]    |
[INFO] [stderr] 15 |     input_stream: BufReader<Box<Read>>,
[INFO] [stderr]    |                                 ^^^^ help: use `dyn`: `dyn Read`
[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/backend/program.rs:16:23
[INFO] [stderr]    |
[INFO] [stderr] 16 |     error_stream: Box<Write>,
[INFO] [stderr]    |                       ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/backend/program.rs:22:27
[INFO] [stderr]    |
[INFO] [stderr] 22 |         input_stream: Box<Read>,
[INFO] [stderr]    |                           ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/backend/program.rs:23:27
[INFO] [stderr]    |
[INFO] [stderr] 23 |         error_stream: Box<Write>
[INFO] [stderr]    |                           ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/backend/program.rs:92:52
[INFO] [stderr]    |
[INFO] [stderr] 92 |     fn destructure(self) -> (Libflo, BufReader<Box<Read>>, Box<Write>) {
[INFO] [stderr]    |                                                    ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/backend/program.rs:92:64
[INFO] [stderr]    |
[INFO] [stderr] 92 |     fn destructure(self) -> (Libflo, BufReader<Box<Read>>, Box<Write>) {
[INFO] [stderr]    |                                                                ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/backend/startup.rs:9:20
[INFO] [stderr]   |
[INFO] [stderr] 9 |     in_stream: Box<Read>,
[INFO] [stderr]   |                    ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/backend/startup.rs:10:21
[INFO] [stderr]    |
[INFO] [stderr] 10 |     out_stream: Box<Write + Send + Sync>,
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Write + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/backend/startup.rs:11:23
[INFO] [stderr]    |
[INFO] [stderr] 11 |     error_stream: Box<Write>,
[INFO] [stderr]    |                       ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/backend/startup.rs:39:24
[INFO] [stderr]    |
[INFO] [stderr] 39 |         in_stream: Box<Read>,
[INFO] [stderr]    |                        ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/backend/startup.rs:40:25
[INFO] [stderr]    |
[INFO] [stderr] 40 |         out_stream: Box<Write + Send + Sync>,
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Write + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/backend/startup.rs:41:27
[INFO] [stderr]    |
[INFO] [stderr] 41 |         error_stream: Box<Write>
[INFO] [stderr]    |                           ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/backend/startup.rs:51:47
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub fn destructure(self) -> (Payload, Box<Read>, Box<Write + Send + Sync>, Box<Write>) {
[INFO] [stderr]    |                                               ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/backend/program.rs:15:33
[INFO] [stderr]    |
[INFO] [stderr] 15 |     input_stream: BufReader<Box<Read>>,
[INFO] [stderr]    |                                 ^^^^ help: use `dyn`: `dyn Read`
[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/backend/program.rs:16:23
[INFO] [stderr]    |
[INFO] [stderr] 16 |     error_stream: Box<Write>,
[INFO] [stderr]    |                       ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/backend/program.rs:22:27
[INFO] [stderr]    |
[INFO] [stderr] 22 |         input_stream: Box<Read>,
[INFO] [stderr]    |                           ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/backend/program.rs:23:27
[INFO] [stderr]    |
[INFO] [stderr] 23 |         error_stream: Box<Write>
[INFO] [stderr]    |                           ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/backend/program.rs:92:52
[INFO] [stderr]    |
[INFO] [stderr] 92 |     fn destructure(self) -> (Libflo, BufReader<Box<Read>>, Box<Write>) {
[INFO] [stderr]    |                                                    ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/backend/program.rs:92:64
[INFO] [stderr]    |
[INFO] [stderr] 92 |     fn destructure(self) -> (Libflo, BufReader<Box<Read>>, Box<Write>) {
[INFO] [stderr]    |                                                                ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/backend/startup.rs:9:20
[INFO] [stderr]   |
[INFO] [stderr] 9 |     in_stream: Box<Read>,
[INFO] [stderr]   |                    ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/backend/startup.rs:10:21
[INFO] [stderr]    |
[INFO] [stderr] 10 |     out_stream: Box<Write + Send + Sync>,
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Write + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/backend/startup.rs:11:23
[INFO] [stderr]    |
[INFO] [stderr] 11 |     error_stream: Box<Write>,
[INFO] [stderr]    |                       ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/backend/startup.rs:39:24
[INFO] [stderr]    |
[INFO] [stderr] 39 |         in_stream: Box<Read>,
[INFO] [stderr]    |                        ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/backend/startup.rs:40:25
[INFO] [stderr]    |
[INFO] [stderr] 40 |         out_stream: Box<Write + Send + Sync>,
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Write + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/backend/startup.rs:41:27
[INFO] [stderr]    |
[INFO] [stderr] 41 |         error_stream: Box<Write>
[INFO] [stderr]    |                           ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/backend/startup.rs:51:47
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub fn destructure(self) -> (Payload, Box<Read>, Box<Write + Send + Sync>, Box<Write>) {
[INFO] [stderr]    |                                               ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/backend/startup.rs:51:58
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub fn destructure(self) -> (Payload, Box<Read>, Box<Write + Send + Sync>, Box<Write>) {
[INFO] [stderr]    |                                                          ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Write + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/backend/startup.rs:51:84
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub fn destructure(self) -> (Payload, Box<Read>, Box<Write + Send + Sync>, Box<Write>) {
[INFO] [stderr]    |                                                                                    ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/backend/startup.rs:51:58
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub fn destructure(self) -> (Payload, Box<Read>, Box<Write + Send + Sync>, Box<Write>) {
[INFO] [stderr]    |                                                          ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Write + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/backend/startup.rs:51:84
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub fn destructure(self) -> (Payload, Box<Read>, Box<Write + Send + Sync>, Box<Write>) {
[INFO] [stderr]    |                                                                                    ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/test/util/reading_end.rs:24:32
[INFO] [stderr]    |
[INFO] [stderr] 24 |         where TFn: FnOnce(&mut Read) -> Result<TOut> {
[INFO] [stderr]    |                                ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/test/util/writing_end.rs:25:32
[INFO] [stderr]    |
[INFO] [stderr] 25 |         where TFn: FnOnce(&mut Write) -> Result<TOut> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]   --> src/backend/execute.rs:63:36
[INFO] [stderr]    |
[INFO] [stderr] 63 |                     let arg = line.trim_left_matches(first_word).trim();
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]   --> src/backend/execute.rs:63:36
[INFO] [stderr]    |
[INFO] [stderr] 63 |                     let arg = line.trim_left_matches(first_word).trim();
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/error.rs:7:1
[INFO] [stderr]     |
[INFO] [stderr] 7   | / error_chain! {
[INFO] [stderr] 8   | |     types { }
[INFO] [stderr] 9   | |
[INFO] [stderr] 10  | |     links {
[INFO] [stderr] ...   |
[INFO] [stderr] 139 | |     }
[INFO] [stderr] 140 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/error.rs:7:1
[INFO] [stderr]     |
[INFO] [stderr] 7   | / error_chain! {
[INFO] [stderr] 8   | |     types { }
[INFO] [stderr] 9   | |
[INFO] [stderr] 10  | |     links {
[INFO] [stderr] ...   |
[INFO] [stderr] 139 | |     }
[INFO] [stderr] 140 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/test/util/clone_reader.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn new(reader: T) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.56s
[INFO] running `"docker" "inspect" "cc85008a812b012dd4734f114391195794fa651987a779dff66351979510d5ce"`
[INFO] running `"docker" "rm" "-f" "cc85008a812b012dd4734f114391195794fa651987a779dff66351979510d5ce"`
[INFO] [stdout] cc85008a812b012dd4734f114391195794fa651987a779dff66351979510d5ce