[INFO] fetching crate unmemftp 0.1.0...
[INFO] checking unmemftp-0.1.0 against beta for pr-78714
[INFO] extracting crate unmemftp 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate unmemftp 0.1.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate unmemftp 0.1.0
[INFO] finished tweaking crates.io crate unmemftp 0.1.0
[INFO] tweaked toml for crates.io crate unmemftp 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d444fd086b2a29eaaf1b133df35c4f6283d01759faf1f8aaeedd50249dffd26
[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" "4d444fd086b2a29eaaf1b133df35c4f6283d01759faf1f8aaeedd50249dffd26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d444fd086b2a29eaaf1b133df35c4f6283d01759faf1f8aaeedd50249dffd26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d444fd086b2a29eaaf1b133df35c4f6283d01759faf1f8aaeedd50249dffd26", kill_on_drop: false }`
[INFO] [stdout] 4d444fd086b2a29eaaf1b133df35c4f6283d01759faf1f8aaeedd50249dffd26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f5e36bab6c1a9f6934667ff308c34b50697bfec698d0849c240d582937f0195
[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" "7f5e36bab6c1a9f6934667ff308c34b50697bfec698d0849c240d582937f0195", kill_on_drop: false }`
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]    Compiling prometheus v0.9.0
[INFO] [stderr]     Checking std_prelude v0.2.12
[INFO] [stderr]     Checking futures-task v0.3.8
[INFO] [stderr]     Checking rustls v0.17.0
[INFO] [stderr]     Checking stfu8 v0.2.4
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking proxy-protocol v0.1.1
[INFO] [stderr]     Checking tokio v0.2.23
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking path_abs v0.5.0
[INFO] [stderr]     Checking slog-scope v4.3.0
[INFO] [stderr]     Checking slog-stdlog v4.1.0
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking tokio-rustls v0.13.1
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking async_ftp v4.0.4
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking libunftp v0.11.2
[INFO] [stderr]     Checking unmemftp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: `BobAuthenticator` doesn't implement `Debug`
[INFO] [stdout]   --> tests/test.rs:79:7
[INFO] [stdout]    |
[INFO] [stdout] 79 |     impl Authenticator<DefaultUser> for BobAuthenticator {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^ `BobAuthenticator` cannot be formatted using `{:?}`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libunftp-0.11.2/src/auth/authenticator.rs:12:43
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub trait Authenticator<U>: Sync + Send + Debug
[INFO] [stdout]    |                                           ----- required by this bound in `Authenticator`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Debug` is not implemented for `BobAuthenticator`
[INFO] [stdout]    = note: add `#[derive(Debug)]` or manually implement `Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `unmemftp`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "7f5e36bab6c1a9f6934667ff308c34b50697bfec698d0849c240d582937f0195", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f5e36bab6c1a9f6934667ff308c34b50697bfec698d0849c240d582937f0195", kill_on_drop: false }`
[INFO] [stdout] 7f5e36bab6c1a9f6934667ff308c34b50697bfec698d0849c240d582937f0195