[INFO] cloning repository https://github.com/woaproject/poa-ballot-stats [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/woaproject/poa-ballot-stats" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwoaproject%2Fpoa-ballot-stats", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwoaproject%2Fpoa-ballot-stats'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 527d4070637fcfc850afe25478f0afa1e5910255 [INFO] checking woaproject/poa-ballot-stats against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwoaproject%2Fpoa-ballot-stats" "/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/woaproject/poa-ballot-stats 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 git repo https://github.com/woaproject/poa-ballot-stats [INFO] finished tweaking git repo https://github.com/woaproject/poa-ballot-stats [INFO] tweaked toml for git repo https://github.com/woaproject/poa-ballot-stats written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/woaproject/poa-ballot-stats already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "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 uint v0.4.1 [INFO] [stderr] Downloaded tiny-keccak v1.4.2 [INFO] [stderr] Downloaded rustc-hex v2.0.1 [INFO] [stderr] Downloaded rustc-hex v1.0.0 [INFO] [stderr] Downloaded tokio-timer v0.1.2 [INFO] [stderr] Downloaded jsonrpc-core v8.0.1 [INFO] [stderr] Downloaded backtrace v0.3.12 [INFO] [stderr] Downloaded ethabi v6.1.0 [INFO] [stderr] Downloaded ethbloom v0.5.0 [INFO] [stderr] Downloaded ethereum-types-serialize v0.2.1 [INFO] [stderr] Downloaded crunchy v0.1.6 [INFO] [stderr] Downloaded openssl-sys v0.9.39 [INFO] [stderr] Downloaded colored v1.6.1 [INFO] [stderr] Downloaded heck v0.3.0 [INFO] [stderr] Downloaded ethabi-contract v6.0.0 [INFO] [stderr] Downloaded ethabi-derive v6.0.2 [INFO] [stderr] Downloaded fixed-hash v0.2.5 [INFO] [stderr] Downloaded ethereum-types v0.4.0 [INFO] [stderr] Downloaded openssl v0.10.15 [INFO] [stderr] Downloaded hyper v0.12.18 [INFO] [stderr] Downloaded heapsize v0.4.2 [INFO] [stderr] Downloaded parse_duration v1.0.1 [INFO] [stderr] Downloaded web3 v0.5.1 [INFO] [stderr] Downloaded parking_lot v0.7.0 [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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9dbb1fb9e174fb5b2152ac13d49092b84e6ffe6db06b2ba7467a8ff71124235a [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" "9dbb1fb9e174fb5b2152ac13d49092b84e6ffe6db06b2ba7467a8ff71124235a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9dbb1fb9e174fb5b2152ac13d49092b84e6ffe6db06b2ba7467a8ff71124235a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9dbb1fb9e174fb5b2152ac13d49092b84e6ffe6db06b2ba7467a8ff71124235a", kill_on_drop: false }` [INFO] [stdout] 9dbb1fb9e174fb5b2152ac13d49092b84e6ffe6db06b2ba7467a8ff71124235a [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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f6400614d8d06efc6af3bc68ec77d76b87af9ed2c9f04a6fdfb90b8b7a48ab7c [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" "f6400614d8d06efc6af3bc68ec77d76b87af9ed2c9f04a6fdfb90b8b7a48ab7c", 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] Compiling cc v1.0.26 [INFO] [stderr] Checking lazy_static v1.2.0 [INFO] [stderr] Compiling serde v1.0.82 [INFO] [stderr] Compiling heapsize v0.4.2 [INFO] [stderr] Compiling crunchy v0.1.6 [INFO] [stderr] Checking slab v0.4.1 [INFO] [stderr] Checking lazycell v1.2.1 [INFO] [stderr] Compiling ryu v0.2.7 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Compiling pkg-config v0.3.14 [INFO] [stderr] Checking itoa v0.4.3 [INFO] [stderr] Compiling rustc-hex v2.0.1 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Compiling openssl v0.10.15 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Compiling httparse v1.3.3 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Compiling rustc-demangle v0.1.9 [INFO] [stderr] Compiling cfg-if v0.1.6 [INFO] [stderr] Checking indexmap v1.0.2 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Compiling byteorder v1.2.7 [INFO] [stderr] Checking try-lock v0.2.2 [INFO] [stderr] Checking string v0.1.2 [INFO] [stderr] Checking openssl-probe v0.1.2 [INFO] [stderr] Checking unicode-normalization v0.1.7 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Checking slab v0.3.0 [INFO] [stderr] Checking scoped-tls v0.1.2 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking rustc-hex v1.0.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking ethabi-contract v6.0.0 [INFO] [stderr] Checking crossbeam-utils v0.6.3 [INFO] [stderr] Checking tokio-executor v0.1.5 [INFO] [stderr] Checking base64 v0.10.0 [INFO] [stderr] Checking arrayvec v0.4.8 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking colored v1.6.1 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Checking textwrap v0.10.0 [INFO] [stderr] Compiling heck v0.3.0 [INFO] [stderr] Compiling libc v0.2.45 [INFO] [stderr] Checking want v0.0.6 [INFO] [stderr] Checking smallvec v0.6.7 [INFO] [stderr] Checking tokio-timer v0.1.2 [INFO] [stderr] Compiling proc-macro2 v0.4.24 [INFO] [stderr] Compiling memchr v2.1.2 [INFO] [stderr] Checking tokio-current-thread v0.1.4 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking rand v0.4.3 [INFO] [stderr] Checking time v0.1.40 [INFO] [stderr] Compiling rand_pcg v0.1.1 [INFO] [stderr] Compiling rand_chacha v0.1.0 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] Compiling rand v0.6.1 [INFO] [stderr] Checking tokio-timer v0.2.8 [INFO] [stderr] Checking num-integer v0.1.39 [INFO] [stderr] Checking crossbeam-epoch v0.6.1 [INFO] [stderr] Checking tiny-keccak v1.4.2 [INFO] [stderr] Checking uint v0.4.1 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking bytes v0.4.11 [INFO] [stderr] Checking clap v2.32.0 [INFO] [stderr] Compiling quote v0.6.10 [INFO] [stderr] Checking mio v0.6.16 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking num-complex v0.1.43 [INFO] [stderr] Checking num-iter v0.1.37 [INFO] [stderr] Checking crossbeam-deque v0.6.2 [INFO] [stderr] Checking fixed-hash v0.2.5 [INFO] [stderr] Checking num-bigint v0.1.44 [INFO] [stderr] Compiling syn v0.15.22 [INFO] [stderr] Compiling backtrace-sys v0.1.24 [INFO] [stderr] Compiling openssl-sys v0.9.39 [INFO] [stderr] Checking tokio-io v0.1.10 [INFO] [stderr] Checking http v0.1.14 [INFO] [stderr] Checking aho-corasick v0.6.9 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking parking_lot v0.6.4 [INFO] [stderr] Checking regex v0.2.11 [INFO] [stderr] 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[INFO] [stdout] error[E0034]: multiple applicable items in scope [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/h2-0.1.14/src/hpack/header.rs:69:41 [INFO] [stdout] | [INFO] [stdout] 69 | let value = String::try_from(value)?; [INFO] [stdout] | ^^^^^^^^ multiple `try_from` found [INFO] [stdout] | [INFO] [stdout] = note: candidate #1 is defined in an impl of the trait `std::convert::TryFrom` for the type `T` [INFO] [stdout] = note: candidate #2 is defined in an impl of the trait `string::TryFrom` for the type `string::String` [INFO] [stdout] help: disambiguate the associated function for candidate #1 [INFO] [stdout] | [INFO] [stdout] 69 | let value = std::convert::TryFrom::try_from(value)?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] help: disambiguate the associated function for candidate #2 [INFO] [stdout] | [INFO] [stdout] 69 | let value = string::TryFrom::try_from(value)?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0034]: multiple applicable items in scope [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/h2-0.1.14/src/hpack/header.rs:77:41 [INFO] [stdout] | [INFO] [stdout] 77 | let value = String::try_from(value)?; [INFO] [stdout] | ^^^^^^^^ multiple `try_from` found [INFO] [stdout] | [INFO] [stdout] = note: candidate #1 is defined in an impl of the trait `std::convert::TryFrom` for the type `T` [INFO] [stdout] = note: candidate #2 is defined in an impl of the trait `string::TryFrom` for the type `string::String` [INFO] [stdout] help: disambiguate the associated function for candidate #1 [INFO] [stdout] | [INFO] [stdout] 77 | let value = std::convert::TryFrom::try_from(value)?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] help: disambiguate the associated function for candidate #2 [INFO] [stdout] | [INFO] [stdout] 77 | let value = string::TryFrom::try_from(value)?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0034]: multiple applicable items in scope [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/h2-0.1.14/src/hpack/header.rs:81:41 [INFO] [stdout] | [INFO] [stdout] 81 | let value = String::try_from(value)?; [INFO] [stdout] | ^^^^^^^^ multiple `try_from` found [INFO] [stdout] | [INFO] [stdout] = note: candidate #1 is defined in an impl of the trait `std::convert::TryFrom` for the type `T` [INFO] [stdout] = note: candidate #2 is defined in an impl of the trait `string::TryFrom` for the type `string::String` [INFO] [stdout] help: disambiguate the associated function for candidate #1 [INFO] [stdout] | [INFO] [stdout] 81 | let value = std::convert::TryFrom::try_from(value)?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] help: disambiguate the associated function for candidate #2 [INFO] [stdout] | [INFO] [stdout] 81 | let value = string::TryFrom::try_from(value)?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0034]: multiple applicable items in scope [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/h2-0.1.14/src/hpack/header.rs:240:61 [INFO] [stdout] | [INFO] [stdout] 240 | Name::Authority => Ok(Header::Authority(String::try_from(value)?)), [INFO] [stdout] | ^^^^^^^^ multiple `try_from` found [INFO] [stdout] | [INFO] [stdout] = note: candidate #1 is defined in an impl of the trait `std::convert::TryFrom` for the type `T` [INFO] [stdout] = note: candidate #2 is defined in an impl of the trait `string::TryFrom` for the type `string::String` [INFO] [stdout] help: disambiguate the associated function for candidate #1 [INFO] [stdout] | [INFO] [stdout] 240 | Name::Authority => Ok(Header::Authority(std::convert::TryFrom::try_from(value)?)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] help: disambiguate the associated function for candidate #2 [INFO] [stdout] | [INFO] [stdout] 240 | Name::Authority => Ok(Header::Authority(string::TryFrom::try_from(value)?)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0034]: multiple applicable items in scope [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/h2-0.1.14/src/hpack/header.rs:242:55 [INFO] [stdout] | [INFO] [stdout] 242 | Name::Scheme => Ok(Header::Scheme(String::try_from(value)?)), [INFO] [stdout] | ^^^^^^^^ multiple `try_from` found [INFO] [stdout] | [INFO] [stdout] = note: candidate #1 is defined in an impl of the trait `std::convert::TryFrom` for the type `T` [INFO] [stdout] = note: candidate #2 is defined in an impl of the trait `string::TryFrom` for the type `string::String` [INFO] [stdout] help: disambiguate the associated function for candidate #1 [INFO] [stdout] | [INFO] [stdout] 242 | Name::Scheme => Ok(Header::Scheme(std::convert::TryFrom::try_from(value)?)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] help: disambiguate the associated function for candidate #2 [INFO] [stdout] | [INFO] [stdout] 242 | Name::Scheme => Ok(Header::Scheme(string::TryFrom::try_from(value)?)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0034]: multiple applicable items in scope [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/h2-0.1.14/src/hpack/header.rs:243:51 [INFO] [stdout] | [INFO] [stdout] 243 | Name::Path => Ok(Header::Path(String::try_from(value)?)), [INFO] [stdout] | ^^^^^^^^ multiple `try_from` found [INFO] [stdout] | [INFO] [stdout] = note: candidate #1 is defined in an impl of the trait `std::convert::TryFrom` for the type `T` [INFO] [stdout] = note: candidate #2 is defined in an impl of the trait `string::TryFrom` for the type `string::String` [INFO] [stdout] help: disambiguate the associated function for candidate #1 [INFO] [stdout] | [INFO] [stdout] 243 | Name::Path => Ok(Header::Path(std::convert::TryFrom::try_from(value)?)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] help: disambiguate the associated function for candidate #2 [INFO] [stdout] | [INFO] [stdout] 243 | Name::Path => Ok(Header::Path(string::TryFrom::try_from(value)?)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 6 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0034`. [INFO] [stdout] [INFO] [stderr] error: could not compile `h2` [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" "f6400614d8d06efc6af3bc68ec77d76b87af9ed2c9f04a6fdfb90b8b7a48ab7c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f6400614d8d06efc6af3bc68ec77d76b87af9ed2c9f04a6fdfb90b8b7a48ab7c", kill_on_drop: false }` [INFO] [stdout] f6400614d8d06efc6af3bc68ec77d76b87af9ed2c9f04a6fdfb90b8b7a48ab7c