[INFO] fetching crate unmemftp 0.1.0...
[INFO] checking unmemftp-0.1.0 against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] extracting crate unmemftp 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate unmemftp 0.1.0 on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "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" "+195ad4830e11a544391abe296b146450dea8411b" "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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d908b1d0b01a816de8b2d5b616d5a1223d09e8621972288bdc20214a5754167
[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" "4d908b1d0b01a816de8b2d5b616d5a1223d09e8621972288bdc20214a5754167", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d908b1d0b01a816de8b2d5b616d5a1223d09e8621972288bdc20214a5754167", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d908b1d0b01a816de8b2d5b616d5a1223d09e8621972288bdc20214a5754167", kill_on_drop: false }`
[INFO] [stdout] 4d908b1d0b01a816de8b2d5b616d5a1223d09e8621972288bdc20214a5754167
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2bcea00a6fa53842d6322febcb6bbcb13b8db619a7abeb697de88cdfb015496e
[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" "2bcea00a6fa53842d6322febcb6bbcb13b8db619a7abeb697de88cdfb015496e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking futures-sink v0.3.13
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking arc-swap v1.2.0
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]    Compiling async-trait v0.1.48
[INFO] [stderr]    Compiling prometheus v0.9.0
[INFO] [stderr]     Checking std_prelude v0.2.12
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking futures-channel v0.3.13
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking slog-scope v4.4.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking slog-stdlog v4.1.0
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking rustls v0.17.0
[INFO] [stderr]     Checking stfu8 v0.2.4
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling pin-project-internal v1.0.5
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking proxy-protocol v0.1.1
[INFO] [stderr]     Checking tracing v0.1.25
[INFO] [stderr]     Checking pin-project v1.0.5
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking futures-executor v0.3.13
[INFO] [stderr]     Checking futures v0.3.13
[INFO] [stderr]     Checking tracing-futures v0.2.5
[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 path_abs v0.5.1
[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" "2bcea00a6fa53842d6322febcb6bbcb13b8db619a7abeb697de88cdfb015496e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bcea00a6fa53842d6322febcb6bbcb13b8db619a7abeb697de88cdfb015496e", kill_on_drop: false }`
[INFO] [stdout] 2bcea00a6fa53842d6322febcb6bbcb13b8db619a7abeb697de88cdfb015496e