[INFO] cloning repository https://github.com/xa888s/rmpc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xa888s/rmpc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxa888s%2Frmpc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxa888s%2Frmpc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8379db02c53ba2999d123e68286f6a86cfd1c931
[INFO] checking xa888s/rmpc against try#82acd1d76add2232e19c1f0feb250d2a19ec6efe for pr-81213
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxa888s%2Frmpc" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xa888s/rmpc 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/xa888s/rmpc
[INFO] finished tweaking git repo https://github.com/xa888s/rmpc
[INFO] tweaked toml for git repo https://github.com/xa888s/rmpc written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/xa888s/rmpc 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded vec-arena v0.5.0
[INFO] [stderr]   Downloaded directories-next v1.0.1
[INFO] [stderr]   Downloaded async-mpd v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] b29c434544606112c4ee2141335d21e413535b8aa0ef050d94f57d4907341305
[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" "b29c434544606112c4ee2141335d21e413535b8aa0ef050d94f57d4907341305", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b29c434544606112c4ee2141335d21e413535b8aa0ef050d94f57d4907341305", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b29c434544606112c4ee2141335d21e413535b8aa0ef050d94f57d4907341305", kill_on_drop: false }`
[INFO] [stdout] b29c434544606112c4ee2141335d21e413535b8aa0ef050d94f57d4907341305
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 79778626b3be821e24067f4b07b27aa5ecb22351ac90cd2cb73191734bea27a6
[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" "79778626b3be821e24067f4b07b27aa5ecb22351ac90cd2cb73191734bea27a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.67
[INFO] [stderr]    Compiling bumpalo v3.4.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling wasm-bindgen v0.2.67
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking fastrand v1.3.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking pin-project-lite v0.1.7
[INFO] [stderr]     Checking waker-fn v1.0.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking event-listener v2.3.3
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking vec-arena v0.5.0
[INFO] [stderr]     Checking async-task v3.0.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]     Checking parking v1.0.6
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking send_wrapper v0.4.0
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking async-mutex v1.1.5
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]     Checking async-channel v1.4.0
[INFO] [stderr]     Checking multitask v0.2.0
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking polling v0.1.5
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking dirs-sys-next v0.1.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking mio v0.7.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking simple-logging v2.0.2
[INFO] [stderr]     Checking directories-next v1.0.1
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking futures-lite v0.1.11
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]     Checking async-io v0.1.11
[INFO] [stderr]     Checking blocking v0.5.2
[INFO] [stderr]     Checking async-executor v0.1.2
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.67
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.67
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling serde_with_macros v1.1.0
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling structopt-derive v0.4.9
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.67
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking js-sys v0.3.44
[INFO] [stderr]     Checking structopt v0.3.16
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]     Checking crossterm v0.17.7
[INFO] [stderr]     Checking web-sys v0.3.44
[INFO] [stderr]     Checking tui v0.10.0
[INFO] [stderr]     Checking gloo-timers v0.2.1
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking serde_with v1.4.0
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking async-std v1.6.3
[INFO] [stdout] error[E0277]: the trait bound `dir_builder::DirBuilder: std::sealed::Sealed` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-1.6.3/src/fs/dir_builder.rs:117:10
[INFO] [stdout]     |
[INFO] [stdout] 117 |     impl DirBuilderExt for DirBuilder {
[INFO] [stdout]     |          ^^^^^^^^^^^^^ the trait `std::sealed::Sealed` is not implemented for `dir_builder::DirBuilder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `dir_entry::DirEntry: std::sealed::Sealed` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-1.6.3/src/fs/dir_entry.rs:170:10
[INFO] [stdout]     |
[INFO] [stdout] 170 |     impl DirEntryExt for DirEntry {
[INFO] [stdout]     |          ^^^^^^^^^^^ the trait `std::sealed::Sealed` is not implemented for `dir_entry::DirEntry`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `open_options::OpenOptions: std::sealed::Sealed` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-1.6.3/src/fs/open_options.rs:303:10
[INFO] [stdout]     |
[INFO] [stdout] 303 |     impl OpenOptionsExt for OpenOptions {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^ the trait `std::sealed::Sealed` is not implemented for `open_options::OpenOptions`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `async-std`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "79778626b3be821e24067f4b07b27aa5ecb22351ac90cd2cb73191734bea27a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79778626b3be821e24067f4b07b27aa5ecb22351ac90cd2cb73191734bea27a6", kill_on_drop: false }`
[INFO] [stdout] 79778626b3be821e24067f4b07b27aa5ecb22351ac90cd2cb73191734bea27a6