[INFO] updating cached repository https://github.com/chebits/hotpipe
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a2e5582adb9c5f19df84326ee8b72b057e7f0815
[INFO] checking chebits/hotpipe against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchebits%2Fhotpipe" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chebits/hotpipe on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/chebits/hotpipe
[INFO] finished tweaking git repo https://github.com/chebits/hotpipe
[INFO] tweaked toml for git repo https://github.com/chebits/hotpipe written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/chebits/hotpipe already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] fa1f40c201a0d390447d6866ba3ff8bdea1b791f2d02cb0a0e2b92458d0ffd66
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "fa1f40c201a0d390447d6866ba3ff8bdea1b791f2d02cb0a0e2b92458d0ffd66"`
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking hotpipe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: expected `;`, found `keyword `let``
[INFO] [stderr]   --> src/main.rs:56:37
[INFO] [stderr]    |
[INFO] [stderr] 56 |     let result = Binding::new(0, "")
[INFO] [stderr]    |                                     ^ help: add `;` here
[INFO] [stderr] 57 | 
[INFO] [stderr] 58 |     let mut key = None;
[INFO] [stderr]    |     --- unexpected token
[INFO] [stderr] 
[INFO] [stderr] error: expected `;`, found `keyword `let``
[INFO] [stderr]   --> src/main.rs:56:37
[INFO] [stderr]    |
[INFO] [stderr] 56 |     let result = Binding::new(0, "")
[INFO] [stderr]    |                                     ^ help: add `;` here
[INFO] [stderr] 57 | 
[INFO] [stderr] 58 |     let mut key = None;
[INFO] [stderr]    |     --- unexpected token
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `Binding`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use Binding;
[INFO] [stderr]   |     ^^^^^^^ no `Binding` external crate
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:39:22
[INFO] [stderr]    |
[INFO] [stderr] 39 |     let reader : Box<Read> = match input {
[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/main.rs:45:22
[INFO] [stderr]    |
[INFO] [stderr] 45 |     let writer : Box<Write> = match output {
[INFO] [stderr]    |                      ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:55:28
[INFO] [stderr]    |
[INFO] [stderr] 55 | fn read_config(source: Box<Read>) -> Binding {
[INFO] [stderr]    |                            ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `Binding`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use Binding;
[INFO] [stderr]   |     ^^^^^^^ no `Binding` external crate
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:39:22
[INFO] [stderr]    |
[INFO] [stderr] 39 |     let reader : Box<Read> = match input {
[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/main.rs:45:22
[INFO] [stderr]    |
[INFO] [stderr] 45 |     let writer : Box<Write> = match output {
[INFO] [stderr]    |                      ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:55:28
[INFO] [stderr]    |
[INFO] [stderr] 55 | fn read_config(source: Box<Read>) -> Binding {
[INFO] [stderr]    |                            ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/main.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn main() {
[INFO] [stderr]    |           - expected `()` because of default return type
[INFO] [stderr] ...
[INFO] [stderr] 51 |     Ok(())
[INFO] [stderr]    |     ^^^^^^- help: try adding a semicolon: `;`
[INFO] [stderr]    |     |
[INFO] [stderr]    |     expected `()`, found enum `std::result::Result`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected unit type `()`
[INFO] [stderr]                    found enum `std::result::Result<(), _>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `lines` found for struct `std::boxed::Box<(dyn std::io::Read + 'static)>` in the current scope
[INFO] [stderr]   --> src/main.rs:59:24
[INFO] [stderr]    |
[INFO] [stderr] 59 |     for line in source.lines() {
[INFO] [stderr]    |                        ^^^^^ method not found in `std::boxed::Box<(dyn std::io::Read + 'static)>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0308, E0432, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `hotpipe`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/main.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn main() {
[INFO] [stderr]    |           - expected `()` because of default return type
[INFO] [stderr] ...
[INFO] [stderr] 51 |     Ok(())
[INFO] [stderr]    |     ^^^^^^- help: try adding a semicolon: `;`
[INFO] [stderr]    |     |
[INFO] [stderr]    |     expected `()`, found enum `std::result::Result`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected unit type `()`
[INFO] [stderr]                    found enum `std::result::Result<(), _>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `lines` found for struct `std::boxed::Box<(dyn std::io::Read + 'static)>` in the current scope
[INFO] [stderr]   --> src/main.rs:59:24
[INFO] [stderr]    |
[INFO] [stderr] 59 |     for line in source.lines() {
[INFO] [stderr]    |                        ^^^^^ method not found in `std::boxed::Box<(dyn std::io::Read + 'static)>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0308, E0432, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `hotpipe`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "fa1f40c201a0d390447d6866ba3ff8bdea1b791f2d02cb0a0e2b92458d0ffd66"`
[INFO] running `"docker" "rm" "-f" "fa1f40c201a0d390447d6866ba3ff8bdea1b791f2d02cb0a0e2b92458d0ffd66"`
[INFO] [stdout] fa1f40c201a0d390447d6866ba3ff8bdea1b791f2d02cb0a0e2b92458d0ffd66
