[INFO] fetching crate unmemftp 0.1.0...
[INFO] checking unmemftp-0.1.0 against master#7f5a42b073dc2bee2aa625052eb066ee07072048 for pr-78991
[INFO] extracting crate unmemftp 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate unmemftp 0.1.0 on toolchain 7f5a42b073dc2bee2aa625052eb066ee07072048
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "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" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "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" "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" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ae6f3f6c00843234887864e00945ac46011252caf654027e545f4d138956caa
[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" "4ae6f3f6c00843234887864e00945ac46011252caf654027e545f4d138956caa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ae6f3f6c00843234887864e00945ac46011252caf654027e545f4d138956caa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ae6f3f6c00843234887864e00945ac46011252caf654027e545f4d138956caa", kill_on_drop: false }`
[INFO] [stdout] 4ae6f3f6c00843234887864e00945ac46011252caf654027e545f4d138956caa
[INFO] running `Command { std: "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" "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" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51903a533972ec60d42702c5b1e02f42def7892b3d9de5343a559f95be3f201f
[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" "51903a533972ec60d42702c5b1e02f42def7892b3d9de5343a559f95be3f201f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]    Compiling protobuf v2.18.0
[INFO] [stderr]    Compiling prometheus v0.9.0
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking std_prelude v0.2.12
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking futures-task v0.3.8
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking signal-hook-registry v1.2.2
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking slog-scope v4.3.0
[INFO] [stderr]     Checking backtrace v0.3.54
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking slog-stdlog v4.1.0
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking stfu8 v0.2.4
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking webpki v0.21.3
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking rustls v0.17.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling pin-project-internal v1.0.1
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling async-trait v0.1.41
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking tokio v0.2.23
[INFO] [stderr]     Checking tracing v0.1.21
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking proxy-protocol v0.1.1
[INFO] [stderr]     Checking pin-project v1.0.1
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking path_abs v0.5.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-rustls v0.13.1
[INFO] [stderr]     Checking async_ftp v4.0.4
[INFO] [stderr]     Checking futures-executor v0.3.8
[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" "51903a533972ec60d42702c5b1e02f42def7892b3d9de5343a559f95be3f201f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51903a533972ec60d42702c5b1e02f42def7892b3d9de5343a559f95be3f201f", kill_on_drop: false }`
[INFO] [stdout] 51903a533972ec60d42702c5b1e02f42def7892b3d9de5343a559f95be3f201f