[INFO] cloning repository https://github.com/ischeinkman/MediaSync
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ischeinkman/MediaSync" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fischeinkman%2FMediaSync", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fischeinkman%2FMediaSync'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e5b653b933aa788f5af2073e812c2ea569935228
[INFO] checking ischeinkman/MediaSync against try#82acd1d76add2232e19c1f0feb250d2a19ec6efe for pr-81213
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fischeinkman%2FMediaSync" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ischeinkman/MediaSync 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/ischeinkman/MediaSync
[INFO] finished tweaking git repo https://github.com/ischeinkman/MediaSync
[INFO] tweaked toml for git repo https://github.com/ischeinkman/MediaSync written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/ischeinkman/MediaSync 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 darling_core v0.9.0
[INFO] [stderr]   Downloaded darling v0.9.0
[INFO] [stderr]   Downloaded derive_builder v0.7.2
[INFO] [stderr]   Downloaded darling_macro v0.9.0
[INFO] [stderr]   Downloaded pin-project v0.4.10
[INFO] [stderr]   Downloaded attohttpc v0.10.1
[INFO] [stderr]   Downloaded pin-project-internal v0.4.10
[INFO] [stderr]   Downloaded trackable v0.2.23
[INFO] [stderr]   Downloaded derive_is_enum_variant v0.1.1
[INFO] [stderr]   Downloaded derive_builder_core v0.5.0
[INFO] [stderr]   Downloaded hmac-sha1 v0.1.3
[INFO] [stderr]   Downloaded enum-kinds v0.4.1
[INFO] [stderr]   Downloaded from_variants v0.4.0
[INFO] [stderr]   Downloaded darling_macro v0.5.0
[INFO] [stderr]   Downloaded headless_chrome v0.9.0
[INFO] [stderr]   Downloaded websocket v0.23.0
[INFO] [stderr]   Downloaded darling_core v0.5.0
[INFO] [stderr]   Downloaded trackable_derive v0.1.3
[INFO] [stderr]   Downloaded xmltree v0.10.0
[INFO] [stderr]   Downloaded from_variants_impl v0.4.0
[INFO] [stderr]   Downloaded mpris v2.0.0-rc2
[INFO] [stderr]   Downloaded bytecodec v0.4.13
[INFO] [stderr]   Downloaded stun_codec v0.1.12
[INFO] [stderr]   Downloaded darling v0.5.0
[INFO] [stderr]   Downloaded igd v0.10.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6b7a4b5b09b06b0393714cf9727f75ae893db18919b60811a83c527b2cbb5d09
[INFO] running `Command { std: "docker" "start" "-a" "6b7a4b5b09b06b0393714cf9727f75ae893db18919b60811a83c527b2cbb5d09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b7a4b5b09b06b0393714cf9727f75ae893db18919b60811a83c527b2cbb5d09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b7a4b5b09b06b0393714cf9727f75ae893db18919b60811a83c527b2cbb5d09", kill_on_drop: false }`
[INFO] [stdout] 6b7a4b5b09b06b0393714cf9727f75ae893db18919b60811a83c527b2cbb5d09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9b053de8816c36a5a2ca47f16b20880a7ce2660efb7023b2df2d2cfcaf55843c
[INFO] running `Command { std: "docker" "start" "-a" "9b053de8816c36a5a2ca47f16b20880a7ce2660efb7023b2df2d2cfcaf55843c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]     Checking futures-sink v0.3.4
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]     Checking futures-io v0.3.4
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking arc-swap v0.4.6
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking pin-project-lite v0.1.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]     Checking tokio v0.2.20
[INFO] [stderr]     Checking futures-util v0.3.4
[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-0.2.20/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" "9b053de8816c36a5a2ca47f16b20880a7ce2660efb7023b2df2d2cfcaf55843c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b053de8816c36a5a2ca47f16b20880a7ce2660efb7023b2df2d2cfcaf55843c", kill_on_drop: false }`
[INFO] [stdout] 9b053de8816c36a5a2ca47f16b20880a7ce2660efb7023b2df2d2cfcaf55843c