[INFO] cloning repository https://github.com/flatcar-linux/coreos-metadata
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/flatcar-linux/coreos-metadata" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflatcar-linux%2Fcoreos-metadata", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflatcar-linux%2Fcoreos-metadata'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stderr] warning: refname 'HEAD' is ambiguous.
[INFO] [stdout] be818b9769ac615ad0a44f380ef4773f37edece8
[INFO] checking flatcar-linux/coreos-metadata against try#82acd1d76add2232e19c1f0feb250d2a19ec6efe for pr-81213
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflatcar-linux%2Fcoreos-metadata" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/flatcar-linux/coreos-metadata 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/flatcar-linux/coreos-metadata
[INFO] finished tweaking git repo https://github.com/flatcar-linux/coreos-metadata
[INFO] tweaked toml for git repo https://github.com/flatcar-linux/coreos-metadata written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/flatcar-linux/coreos-metadata 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]  Downloading crates ...
[INFO] [stderr]   Downloaded slog-scope v4.0.1
[INFO] [stderr]   Downloaded update-ssh-keys v0.4.1
[INFO] [stderr]   Downloaded mockito v0.17.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 61f2a4b9652572c2ca7b690807128fee3613e7d1fc8d15a5e52a6a7c2c2f45d4
[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" "61f2a4b9652572c2ca7b690807128fee3613e7d1fc8d15a5e52a6a7c2c2f45d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61f2a4b9652572c2ca7b690807128fee3613e7d1fc8d15a5e52a6a7c2c2f45d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61f2a4b9652572c2ca7b690807128fee3613e7d1fc8d15a5e52a6a7c2c2f45d4", kill_on_drop: false }`
[INFO] [stdout] 61f2a4b9652572c2ca7b690807128fee3613e7d1fc8d15a5e52a6a7c2c2f45d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] f881a5f88d930638172ebdb4ef62783fc6647386e942544febfce54da9cfaa34
[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" "f881a5f88d930638172ebdb4ef62783fc6647386e942544febfce54da9cfaa34", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.47
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling arrayvec v0.4.9
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling cc v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling openssl v0.10.20
[INFO] [stderr]    Compiling slog v2.4.1
[INFO] [stderr]     Checking byte-tools v0.3.0
[INFO] [stderr]     Checking pnet_base v0.22.0
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]     Checking unicode-normalization v0.1.7
[INFO] [stderr]    Compiling crc32fast v1.1.2
[INFO] [stderr]     Checking string v0.1.2
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]     Checking opaque-debug v0.2.1
[INFO] [stderr]    Compiling encoding_rs v0.8.13
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]     Checking safemem v0.3.0
[INFO] [stderr]    Compiling nix v0.13.0
[INFO] [stderr]     Checking remove_dir_all v0.5.1
[INFO] [stderr]    Compiling pnet v0.22.0
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]     Checking crossbeam v0.2.12
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking error-chain v0.12.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]    Compiling syntex_pos v0.42.0
[INFO] [stderr]    Compiling unicase v2.2.0
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking crossbeam-utils v0.6.3
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking colored v1.6.1
[INFO] [stderr]     Checking block-padding v0.1.2
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking pnet_macros_support v0.22.0
[INFO] [stderr]     Checking regex-syntax v0.6.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking xml-rs v0.3.6
[INFO] [stderr]     Checking smallvec v0.6.7
[INFO] [stderr]     Checking want v0.0.6
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking tokio-timer v0.2.8
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling rand_chacha v0.1.0
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]     Checking term v0.5.1
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking slog-scope v4.0.1
[INFO] [stderr]     Checking slog-async v2.3.0
[INFO] [stderr]    Compiling phf_shared v0.7.23
[INFO] [stderr]     Checking block-buffer v0.7.0
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking num_cpus v1.9.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking time v0.1.41
[INFO] [stderr]     Checking pnet_sys v0.22.0
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking isatty v0.1.9
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking users v0.8.1
[INFO] [stderr]     Checking libflate v0.1.19
[INFO] [stderr]     Checking mime v0.3.13
[INFO] [stderr]     Checking phf v0.7.23
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]     Checking md-5 v0.8.0
[INFO] [stderr]     Checking crossbeam-epoch v0.7.0
[INFO] [stderr]     Checking bytes v0.4.11
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling openssl-sys v0.9.43
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]     Checking openssh-keys v0.4.1
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]     Checking tokio-io v0.1.10
[INFO] [stderr]     Checking http v0.1.14
[INFO] [stderr]     Checking uuid v0.7.1
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling phf_generator v0.7.23
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]    Compiling phf_codegen v0.7.23
[INFO] [stderr]     Checking slog-term v2.4.0
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]     Checking tokio-reactor v0.1.7
[INFO] [stderr]     Checking tokio-threadpool v0.1.9
[INFO] [stderr]     Checking tempfile v3.0.7
[INFO] [stderr]     Checking tokio-tcp v0.1.2
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.4
[INFO] [stderr]     Checking tokio-fs v0.1.4
[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-0.1.4/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" "f881a5f88d930638172ebdb4ef62783fc6647386e942544febfce54da9cfaa34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f881a5f88d930638172ebdb4ef62783fc6647386e942544febfce54da9cfaa34", kill_on_drop: false }`
[INFO] [stdout] f881a5f88d930638172ebdb4ef62783fc6647386e942544febfce54da9cfaa34