[INFO] cloning repository https://github.com/mre/rfcs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mre/rfcs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmre%2Frfcs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmre%2Frfcs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 922a047c782e27c4ce5606a3b74c5e686091a77d [INFO] checking mre/rfcs against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmre%2Frfcs" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mre/rfcs 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/mre/rfcs [INFO] finished tweaking git repo https://github.com/mre/rfcs [INFO] tweaked toml for git repo https://github.com/mre/rfcs written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/mre/rfcs 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] Downloading crates ... [INFO] [stderr] Downloaded bytes v0.4.11 [INFO] [stderr] Downloaded string v0.1.2 [INFO] [stderr] Downloaded proc-macro2 v0.4.24 [INFO] [stderr] Downloaded base64 v0.10.0 [INFO] [stderr] Downloaded hubcaps v0.5.0 [INFO] [stderr] Downloaded tokio-io v0.1.10 [INFO] [stderr] Downloaded mime v0.3.12 [INFO] [stderr] Downloaded http v0.1.14 [INFO] [stderr] Downloaded error-chain v0.12.0 [INFO] [stderr] Downloaded backtrace v0.3.13 [INFO] [stderr] Downloaded libc v0.2.46 [INFO] [stderr] Downloaded tokio-reactor v0.1.7 [INFO] [stderr] Downloaded hyper v0.12.19 [INFO] [stderr] Downloaded redox_syscall v0.1.50 [INFO] [stderr] Downloaded syn v0.15.23 [INFO] [stderr] Downloaded autocfg v0.1.1 [INFO] [stderr] Downloaded security-framework-sys v0.2.2 [INFO] [stderr] Downloaded security-framework v0.2.1 [INFO] [stderr] Downloaded rustc-demangle v0.1.13 [INFO] [stderr] Downloaded pretty_env_logger v0.3.0 [INFO] [stderr] Downloaded parking_lot v0.6.4 [INFO] [stderr] Downloaded MacTypes-sys v1.3.0 [INFO] [stderr] Downloaded serde_derive v1.0.84 [INFO] [stderr] Downloaded crossbeam-deque v0.6.3 [INFO] [stderr] Downloaded tokio-threadpool v0.1.9 [INFO] [stderr] Downloaded slab v0.4.1 [INFO] [stderr] Downloaded rand_pcg v0.1.1 [INFO] [stderr] Downloaded cc v1.0.28 [INFO] [stderr] Downloaded winapi-util v0.1.1 [INFO] [stderr] Downloaded tempfile v3.0.5 [INFO] [stderr] Downloaded native-tls v0.2.2 [INFO] [stderr] Downloaded env_logger v0.6.0 [INFO] [stderr] Downloaded tokio-current-thread v0.1.4 [INFO] [stderr] Downloaded crossbeam-epoch v0.7.0 [INFO] [stderr] Downloaded rand v0.6.3 [INFO] [stderr] Downloaded tokio-timer v0.2.8 [INFO] [stderr] Downloaded crossbeam-utils v0.6.3 [INFO] [stderr] Downloaded smallvec v0.6.7 [INFO] [stderr] Downloaded parking_lot_core v0.3.1 [INFO] [stderr] Downloaded tokio-executor v0.1.5 [INFO] [stderr] Downloaded byteorder v1.2.7 [INFO] [stderr] Downloaded tokio-tcp v0.1.2 [INFO] [stderr] Downloaded tokio v0.1.13 [INFO] [stderr] Downloaded hyperx v0.13.2 [INFO] [stderr] Downloaded unicase v2.2.0 [INFO] [stderr] Downloaded quote v0.6.10 [INFO] [stderr] Downloaded serde_json v1.0.34 [INFO] [stderr] Downloaded h2 v0.1.14 [INFO] [stderr] Downloaded openssl v0.10.16 [INFO] [stderr] Downloaded schannel v0.1.14 [INFO] [stderr] Downloaded tokio-fs v0.1.4 [INFO] [stderr] Downloaded rand_os v0.1.0 [INFO] [stderr] Downloaded unicode-normalization v0.1.7 [INFO] [stderr] Downloaded futures v0.1.25 [INFO] [stderr] Downloaded tokio-uds v0.2.4 [INFO] [stderr] Downloaded hyper-tls v0.3.1 [INFO] [stderr] Downloaded openssl-sys v0.9.40 [INFO] [stderr] Downloaded serde v1.0.84 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 6d9aba58ad6dae359349cba20ee140087079649d7f7dabd7cae078c2a524cf57 [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" "6d9aba58ad6dae359349cba20ee140087079649d7f7dabd7cae078c2a524cf57", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6d9aba58ad6dae359349cba20ee140087079649d7f7dabd7cae078c2a524cf57", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6d9aba58ad6dae359349cba20ee140087079649d7f7dabd7cae078c2a524cf57", kill_on_drop: false }` [INFO] [stdout] 6d9aba58ad6dae359349cba20ee140087079649d7f7dabd7cae078c2a524cf57 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 0a76328b47b68846b9bef3465100a0cbe0819429f95c0df3658d324c1a7f3792 [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" "0a76328b47b68846b9bef3465100a0cbe0819429f95c0df3658d324c1a7f3792", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.46 [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Checking lazy_static v1.2.0 [INFO] [stderr] Compiling cc v1.0.28 [INFO] [stderr] Checking lazycell v1.2.1 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Compiling openssl v0.10.16 [INFO] [stderr] Compiling regex v1.1.0 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Compiling serde v1.0.84 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Checking termcolor v1.0.4 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.3 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Compiling memchr v2.1.2 [INFO] [stderr] Compiling unicase v2.2.0 [INFO] [stderr] Checking base64 v0.10.0 [INFO] [stderr] Checking smallvec v0.6.7 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking crossbeam-utils v0.6.3 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Compiling proc-macro2 v0.4.24 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] Compiling rand_pcg v0.1.1 [INFO] [stderr] Checking regex-syntax v0.6.4 [INFO] [stderr] Checking want v0.0.6 [INFO] [stderr] Checking crossbeam-epoch v0.7.0 [INFO] [stderr] Checking tokio-timer v0.2.8 [INFO] [stderr] Checking mime v0.3.12 [INFO] [stderr] Checking crossbeam-deque v0.6.3 [INFO] [stderr] Compiling quote v0.6.10 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Compiling syn v0.15.23 [INFO] [stderr] Compiling openssl-sys v0.9.40 [INFO] [stderr] Compiling backtrace-sys v0.1.28 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking num_cpus v1.9.0 [INFO] [stderr] Checking rand v0.5.5 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking rand_os v0.1.0 [INFO] [stderr] Checking time v0.1.41 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking bytes v0.4.11 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking num-integer v0.1.39 [INFO] [stderr] Checking mio v0.6.16 [INFO] [stderr] Checking aho-corasick v0.6.9 [INFO] [stderr] Checking chrono v0.4.6 [INFO] [stderr] Checking tokio-io v0.1.10 [INFO] [stderr] Checking http v0.1.14 [INFO] [stderr] Checking tokio-threadpool v0.1.9 [INFO] [stderr] Compiling native-tls v0.2.2 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Checking backtrace v0.3.13 [INFO] [stderr] Checking parking_lot v0.6.4 [INFO] [stderr] Checking tokio-fs v0.1.4 [INFO] [stderr] Checking error-chain v0.12.0 [INFO] [stderr] Checking tokio-reactor v0.1.7 [INFO] [stderr] Checking tokio-uds v0.2.4 [INFO] [stderr] Checking tokio-udp v0.1.3 [INFO] [stderr] Checking tokio-tcp v0.1.2 [INFO] [stderr] Checking tokio v0.1.13 [INFO] [stderr] Checking env_logger v0.6.0 [INFO] [stderr] Checking h2 v0.1.14 [INFO] [stderr] Checking hyperx v0.13.2 [INFO] [stderr] Checking pretty_env_logger v0.3.0 [INFO] [stderr] Compiling synstructure v0.10.1 [INFO] [stderr] Checking serde_json v1.0.34 [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" "0a76328b47b68846b9bef3465100a0cbe0819429f95c0df3658d324c1a7f3792", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0a76328b47b68846b9bef3465100a0cbe0819429f95c0df3658d324c1a7f3792", kill_on_drop: false }` [INFO] [stdout] 0a76328b47b68846b9bef3465100a0cbe0819429f95c0df3658d324c1a7f3792