[INFO] fetching crate unmemftp 0.1.0...
[INFO] checking unmemftp-0.1.0 against try#82acd1d76add2232e19c1f0feb250d2a19ec6efe for pr-81213
[INFO] extracting crate unmemftp 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate unmemftp 0.1.0 on toolchain 82acd1d76add2232e19c1f0feb250d2a19ec6efe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "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-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded uuid v0.8.2
[INFO] [stderr]   Downloaded futures-executor v0.3.12
[INFO] [stderr]   Downloaded slog-stdlog v4.1.0
[INFO] [stderr]   Downloaded arc-swap v1.2.0
[INFO] [stderr]   Downloaded slog-scope v4.4.0
[INFO] [stderr]   Downloaded path_abs v0.5.0
[INFO] [stderr]   Downloaded proxy-protocol v0.1.1
[INFO] [stderr]   Downloaded async_ftp v4.0.4
[INFO] [stderr]   Downloaded std_prelude v0.2.12
[INFO] [stderr]   Downloaded protobuf v2.20.0
[INFO] [stderr]   Downloaded futures v0.3.12
[INFO] [stderr]   Downloaded signal-hook-registry v1.3.0
[INFO] [stderr]   Downloaded prometheus v0.9.0
[INFO] [stderr]   Downloaded stfu8 v0.2.4
[INFO] [stderr]   Downloaded tokio-macros v0.2.6
[INFO] [stderr]   Downloaded slog v2.7.0
[INFO] [stderr]   Downloaded tracing-attributes v0.1.11
[INFO] [stderr]   Downloaded rustls v0.17.0
[INFO] [stderr]   Downloaded libunftp v0.11.2
[INFO] [stderr]   Downloaded tokio-rustls v0.13.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b42fee73c5c439c34b45ed4077e86e77f6ddfbbdffcc76882892aab0651b588
[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" "0b42fee73c5c439c34b45ed4077e86e77f6ddfbbdffcc76882892aab0651b588", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b42fee73c5c439c34b45ed4077e86e77f6ddfbbdffcc76882892aab0651b588", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b42fee73c5c439c34b45ed4077e86e77f6ddfbbdffcc76882892aab0651b588", kill_on_drop: false }`
[INFO] [stdout] 0b42fee73c5c439c34b45ed4077e86e77f6ddfbbdffcc76882892aab0651b588
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7365fabb471631fc6cd21810a5ab10226b7534890fdc2f9033b98d9a23bb507e
[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" "7365fabb471631fc6cd21810a5ab10226b7534890fdc2f9033b98d9a23bb507e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.59
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling serde_derive v1.0.121
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling protobuf v2.20.0
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]    Compiling prometheus v0.9.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking std_prelude v0.2.12
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking thread_local v1.1.1
[INFO] [stderr]     Checking futures-task v0.3.12
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking futures-channel v0.3.12
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking slog-scope v4.4.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking slog-stdlog v4.1.0
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]    Compiling ring v0.16.19
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking stfu8 v0.2.4
[INFO] [stderr]     Checking rustls v0.17.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling futures-macro v0.3.12
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[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 async-trait v0.1.42
[INFO] [stderr]     Checking tokio v0.2.24
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking futures-util v0.3.12
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stdout] error[E0277]: the trait bound `read_dir::DirEntry: std::sealed::Sealed` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.24/src/fs/read_dir.rs:240:6
[INFO] [stdout]     |
[INFO] [stdout] 240 | impl DirEntryExt for DirEntry {
[INFO] [stdout]     |      ^^^^^^^^^^^ the trait `std::sealed::Sealed` is not implemented for `read_dir::DirEntry`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking proxy-protocol v0.1.1
[INFO] [stderr]     Checking pin-project v0.4.27
[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 `tokio`
[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: build failed
[INFO] running `Command { std: "docker" "inspect" "7365fabb471631fc6cd21810a5ab10226b7534890fdc2f9033b98d9a23bb507e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7365fabb471631fc6cd21810a5ab10226b7534890fdc2f9033b98d9a23bb507e", kill_on_drop: false }`
[INFO] [stdout] 7365fabb471631fc6cd21810a5ab10226b7534890fdc2f9033b98d9a23bb507e