[INFO] fetching crate hedera 0.4.1...
[INFO] checking hedera-0.4.1 against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] extracting crate hedera 0.4.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate hedera 0.4.1 on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hedera 0.4.1
[INFO] finished tweaking crates.io crate hedera 0.4.1
[INFO] tweaked toml for crates.io crate hedera 0.4.1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded query_interface v0.3.5
[INFO] [stderr]   Downloaded simple_asn1 v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 62e91bcf08255d5f5eb817979ac223d7da31ef1bbc0e8a48f1a68bdb8b95b772
[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" "62e91bcf08255d5f5eb817979ac223d7da31ef1bbc0e8a48f1a68bdb8b95b772", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62e91bcf08255d5f5eb817979ac223d7da31ef1bbc0e8a48f1a68bdb8b95b772", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62e91bcf08255d5f5eb817979ac223d7da31ef1bbc0e8a48f1a68bdb8b95b772", kill_on_drop: false }`
[INFO] [stdout] 62e91bcf08255d5f5eb817979ac223d7da31ef1bbc0e8a48f1a68bdb8b95b772
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 573668d53c6e5ee4f750111092c64328ca83d4a738c58da6c020ed87ba0ebb69
[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" "573668d53c6e5ee4f750111092c64328ca83d4a738c58da6c020ed87ba0ebb69", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.89
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking scoped-tls v0.1.2
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking query_interface v0.3.5
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking try_from v0.3.2
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]     Checking tokio-trace-core v0.1.0
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/try_from-0.3.2/src/char.rs:56:28
[INFO] [stdout]     |
[INFO] [stdout] 56  |                 match u32::try_from(n)? {
[INFO] [stdout]     |                            ^^^^^^^^ multiple `try_from` found
[INFO] [stdout] ...
[INFO] [stdout] 68  | impl_int_to_char!(i8, i16, i32, i64, isize, u16, u32, u64, usize);
[INFO] [stdout]     | ------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: candidate #1 is defined in the trait `TryFrom`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/try_from-0.3.2/src/lib.rs:21:5
[INFO] [stdout]     |
[INFO] [stdout] 21  |     fn try_from(T) -> Result<Self, Self::Err>;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: candidate #2 is defined in the trait `std::convert::TryFrom`
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 56  |                 match TryFrom::try_from(n)? {
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 56  |                 match std::convert::TryFrom::try_from(n)? {
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.19
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0034`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `try_from`
[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" "573668d53c6e5ee4f750111092c64328ca83d4a738c58da6c020ed87ba0ebb69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "573668d53c6e5ee4f750111092c64328ca83d4a738c58da6c020ed87ba0ebb69", kill_on_drop: false }`
[INFO] [stdout] 573668d53c6e5ee4f750111092c64328ca83d4a738c58da6c020ed87ba0ebb69