[INFO] cloning repository https://github.com/Hoenn/rust-learning
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Hoenn/rust-learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHoenn%2Frust-learning", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHoenn%2Frust-learning'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 14b661aaeb9e3c8c5837577c408c4da7159ae3c2
[INFO] checking Hoenn/rust-learning against try#82acd1d76add2232e19c1f0feb250d2a19ec6efe for pr-81213
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHoenn%2Frust-learning" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Hoenn/rust-learning 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/Hoenn/rust-learning
[INFO] finished tweaking git repo https://github.com/Hoenn/rust-learning
[INFO] tweaked toml for git repo https://github.com/Hoenn/rust-learning written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/Hoenn/rust-learning 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded relay v0.1.1
[INFO] [stderr]   Downloaded try-lock v0.1.0
[INFO] [stderr]   Downloaded want v0.0.4
[INFO] [stderr]   Downloaded tokio-core v0.1.17
[INFO] [stderr]   Downloaded hyper v0.11.27
[INFO] [stderr]   Downloaded tokio-proto v0.1.1
[INFO] [stderr]   Downloaded cc v1.0.23
[INFO] [stderr]   Downloaded rayon v0.8.2
[INFO] [stderr]   Downloaded futures v0.1.23
[INFO] [stderr]   Downloaded parking_lot_core v0.3.0
[INFO] [stderr]   Downloaded lazycell v0.6.0
[INFO] [stderr]   Downloaded mio-uds v0.6.6
[INFO] [stderr]   Downloaded mio v0.6.15
[INFO] [stderr]   Downloaded log v0.4.4
[INFO] [stderr]   Downloaded bytes v0.4.9
[INFO] [stderr]   Downloaded serde v1.0.75
[INFO] [stderr]   Downloaded serde_json v1.0.26
[INFO] [stderr]   Downloaded itoa v0.4.2
[INFO] [stderr]   Downloaded ring v0.12.1
[INFO] [stderr]   Downloaded ct-logs v0.2.0
[INFO] [stderr]   Downloaded sct v0.2.0
[INFO] [stderr]   Downloaded rustls v0.11.0
[INFO] [stderr]   Downloaded hyper-rustls v0.11.0
[INFO] [stderr]   Downloaded webpki v0.17.0
[INFO] [stderr]   Downloaded tokio-rustls v0.4.0
[INFO] [stderr]   Downloaded github-rs v0.6.1
[INFO] [stderr]   Downloaded webpki-roots v0.13.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 0cc11a35118ec8e5631801241f8610669232b02681634044c40e4b648ea8ce79
[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" "0cc11a35118ec8e5631801241f8610669232b02681634044c40e4b648ea8ce79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0cc11a35118ec8e5631801241f8610669232b02681634044c40e4b648ea8ce79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cc11a35118ec8e5631801241f8610669232b02681634044c40e4b648ea8ce79", kill_on_drop: false }`
[INFO] [stdout] 0cc11a35118ec8e5631801241f8610669232b02681634044c40e4b648ea8ce79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 18f585e38fd9965fe0790c0c5cbd7a968aef9453af9a34282d1f084e8ee78ff1
[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" "18f585e38fd9965fe0790c0c5cbd7a968aef9453af9a34282d1f084e8ee78ff1", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]     Checking futures v0.1.23
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking rand_core v0.2.1
[INFO] [stderr]     Checking crossbeam-utils v0.5.0
[INFO] [stderr]     Checking slab v0.4.1
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking lazycell v0.6.0
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking scoped-tls v0.1.2
[INFO] [stderr]    Compiling cc v1.0.23
[INFO] [stderr]    Compiling httparse v1.3.2
[INFO] [stderr]    Compiling serde v1.0.75
[INFO] [stderr]     Checking try-lock v0.1.0
[INFO] [stderr]     Checking itoa v0.4.2
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking log v0.4.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking base64 v0.9.2
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]     Checking bytes v0.4.9
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking lock_api v0.1.3
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling unicase v2.1.0
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking mio v0.6.15
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking crossbeam-epoch v0.5.2
[INFO] [stderr]     Checking mime v0.3.9
[INFO] [stderr]     Checking crossbeam-deque v0.6.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]     Checking mio-uds v0.6.6
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]     Checking parking_lot_core v0.3.0
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking tokio-executor v0.1.4
[INFO] [stderr]     Checking tokio-io v0.1.8
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking want v0.0.4
[INFO] [stderr]     Checking relay v0.1.1
[INFO] [stderr]    Compiling rayon v0.8.2
[INFO] [stderr]     Checking tokio-threadpool v0.1.6
[INFO] [stderr]     Checking tokio-current-thread v0.1.1
[INFO] [stderr]     Checking tokio-timer v0.2.6
[INFO] [stderr]     Checking tokio-reactor v0.1.5
[INFO] [stderr]     Checking tokio-codec v0.1.0
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking tokio-fs v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.1
[INFO] [stderr]     Checking tokio-tcp v0.1.1
[INFO] [stderr]     Checking tokio-udp v0.1.2
[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-fs-0.1.3/src/read_dir.rs:243:6
[INFO] [stdout]     |
[INFO] [stdout] 243 | 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-fs`
[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" "18f585e38fd9965fe0790c0c5cbd7a968aef9453af9a34282d1f084e8ee78ff1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18f585e38fd9965fe0790c0c5cbd7a968aef9453af9a34282d1f084e8ee78ff1", kill_on_drop: false }`
[INFO] [stdout] 18f585e38fd9965fe0790c0c5cbd7a968aef9453af9a34282d1f084e8ee78ff1