[INFO] cloning repository https://github.com/dopeter/rust-practice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dopeter/rust-practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdopeter%2Frust-practice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdopeter%2Frust-practice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1a9c1d1fabf0636d5440cb3c45207905e55d0ba8
[INFO] checking dopeter/rust-practice against try#82acd1d76add2232e19c1f0feb250d2a19ec6efe for pr-81213
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdopeter%2Frust-practice" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dopeter/rust-practice 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 git repo https://github.com/dopeter/rust-practice
[INFO] finished tweaking git repo https://github.com/dopeter/rust-practice
[INFO] tweaked toml for git repo https://github.com/dopeter/rust-practice written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/dopeter/rust-practice already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: dependencies.log4rs.feature
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded log4rs v0.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 31f33e224ff02d3fae4089a48db059a4c40f6e121bd9f031649c74d7d214c5e2
[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" "31f33e224ff02d3fae4089a48db059a4c40f6e121bd9f031649c74d7d214c5e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31f33e224ff02d3fae4089a48db059a4c40f6e121bd9f031649c74d7d214c5e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31f33e224ff02d3fae4089a48db059a4c40f6e121bd9f031649c74d7d214c5e2", kill_on_drop: false }`
[INFO] [stdout] 31f33e224ff02d3fae4089a48db059a4c40f6e121bd9f031649c74d7d214c5e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 2cf80a720a096274103ffaafbded0a145fce9c9bef909f434cfd3982d752ee54
[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" "2cf80a720a096274103ffaafbded0a145fce9c9bef909f434cfd3982d752ee54", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: dependencies.log4rs.feature
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking futures-core v0.3.2
[INFO] [stderr]     Checking futures-sink v0.3.2
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking futures-task v0.3.2
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]     Checking futures-io v0.3.2
[INFO] [stderr]     Checking pin-project-lite v0.1.4
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking copyless v0.1.4
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]    Compiling encoding_rs v0.8.22
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]     Checking ucd-util v0.1.7
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling indexmap v1.3.1
[INFO] [stderr]     Checking bytestring v0.1.4
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking lock_api v0.3.3
[INFO] [stderr]     Checking http v0.2.0
[INFO] [stderr]     Checking futures-channel v0.3.2
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]     Checking miniz_oxide v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking parking_lot_core v0.7.0
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking socket2 v0.3.11
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking aho-corasick v0.7.7
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking resolv-conf v0.6.2
[INFO] [stderr]     Checking parking_lot v0.10.0
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking flate2 v1.0.13
[INFO] [stderr]    Compiling mysqlclient-sys v0.2.4
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking backtrace v0.3.43
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]    Compiling derive-error-chain v0.10.1
[INFO] [stderr]     Checking dotenv v0.10.1
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling tokio-macros v0.2.4
[INFO] [stderr]    Compiling pin-project-internal v0.4.8
[INFO] [stderr]    Compiling derive_more v0.99.2
[INFO] [stderr]    Compiling actix-macros v0.1.1
[INFO] [stderr]    Compiling async-trait v0.1.24
[INFO] [stderr]    Compiling enum-as-inner v0.3.0
[INFO] [stderr]    Compiling diesel_derives v1.4.1
[INFO] [stderr]    Compiling actix-web-codegen v0.2.0
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]    Compiling futures-macro v0.3.2
[INFO] [stderr]     Checking pin-project v0.4.8
[INFO] [stderr]     Checking futures-util v0.3.2
[INFO] [stderr]     Checking futures-executor v0.3.2
[INFO] [stderr]     Checking actix-service v1.0.5
[INFO] [stderr]     Checking diesel v1.4.3
[INFO] [stderr]     Checking futures v0.3.2
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking serde_json v1.0.46
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking serde_yaml v0.8.11
[INFO] [stderr]     Checking serde-value v0.6.0
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking actix-threadpool v0.3.1
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking actix-router v0.2.4
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking signal-hook v0.1.13
[INFO] [stderr]     Checking log4rs v0.10.0
[INFO] [stderr]     Checking tokio v0.2.11
[INFO] [stderr]     Checking crossterm v0.14.2
[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-0.2.11/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] [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" "2cf80a720a096274103ffaafbded0a145fce9c9bef909f434cfd3982d752ee54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cf80a720a096274103ffaafbded0a145fce9c9bef909f434cfd3982d752ee54", kill_on_drop: false }`
[INFO] [stdout] 2cf80a720a096274103ffaafbded0a145fce9c9bef909f434cfd3982d752ee54