[INFO] fetching crate pony-playground 0.1.0... [INFO] checking pony-playground-0.1.0 against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781 [INFO] extracting crate pony-playground 0.1.0 into /workspace/builds/worker-12/source [INFO] validating manifest of crates.io crate pony-playground 0.1.0 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 pony-playground 0.1.0 [INFO] finished tweaking crates.io crate pony-playground 0.1.0 [INFO] tweaked toml for crates.io crate pony-playground 0.1.0 written to /workspace/builds/worker-12/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 state v0.4.2 [INFO] [stderr] Downloaded rocket_codegen v0.4.7 [INFO] [stderr] Downloaded hubcaps v0.5.0 [INFO] [stderr] Downloaded rocket v0.4.7 [INFO] [stderr] Downloaded hyperx v0.13.2 [INFO] [stderr] Downloaded pear v0.1.4 [INFO] [stderr] Downloaded rocket_http v0.4.7 [INFO] [stderr] Downloaded rocket_contrib v0.4.7 [INFO] [stderr] Downloaded pear_codegen v0.1.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 8f4e5a410ec07c4860552e1870e4cf639a43c6e8f9e9312a1a1e571a3e7a4748 [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" "8f4e5a410ec07c4860552e1870e4cf639a43c6e8f9e9312a1a1e571a3e7a4748", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8f4e5a410ec07c4860552e1870e4cf639a43c6e8f9e9312a1a1e571a3e7a4748", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8f4e5a410ec07c4860552e1870e4cf639a43c6e8f9e9312a1a1e571a3e7a4748", kill_on_drop: false }` [INFO] [stdout] 8f4e5a410ec07c4860552e1870e4cf639a43c6e8f9e9312a1a1e571a3e7a4748 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 14187665494af30aeed7cf9af3536fe50f27717f3aa0e3ff015defa0a73dc3a6 [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" "14187665494af30aeed7cf9af3536fe50f27717f3aa0e3ff015defa0a73dc3a6", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling typenum v1.13.0 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling yansi v0.5.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling subtle v2.4.0 [INFO] [stderr] Compiling opaque-debug v0.3.0 [INFO] [stderr] Compiling tinyvec_macros v0.1.0 [INFO] [stderr] Compiling cpuid-bool v0.2.0 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Compiling serde v1.0.124 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling cpuid-bool v0.1.2 [INFO] [stderr] Compiling percent-encoding v1.0.1 [INFO] [stderr] Checking language-tags v0.2.2 [INFO] [stderr] Compiling safemem v0.3.3 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling traitobject v0.1.0 [INFO] [stderr] Compiling typeable v0.1.2 [INFO] [stderr] Compiling hashbrown v0.9.1 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling base64 v0.13.0 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Compiling smallvec v1.6.1 [INFO] [stderr] Compiling syn v1.0.64 [INFO] [stderr] Compiling state v0.4.2 [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Compiling serde_derive v1.0.124 [INFO] [stderr] Checking lazycell v1.3.0 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking base64 v0.12.3 [INFO] [stderr] Checking regex-syntax v0.6.23 [INFO] [stderr] Checking linked-hash-map v0.5.4 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Compiling httparse v1.3.5 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Compiling tinyvec v1.1.1 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Compiling base64 v0.9.3 [INFO] [stderr] Compiling generic-array v0.14.4 [INFO] [stderr] Compiling pear_codegen v0.1.4 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Compiling rocket_codegen v0.4.7 [INFO] [stderr] Compiling rocket v0.4.7 [INFO] [stderr] Compiling error-chain v0.12.4 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling indexmap v1.6.2 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling openssl-sys v0.9.61 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Checking addr2line v0.14.1 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Compiling libc v0.2.89 [INFO] [stderr] Checking maybe-uninit v2.0.0 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Checking memchr v2.3.4 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking lru-cache v0.1.2 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking inotify-sys v0.1.5 [INFO] [stderr] Checking filetime v0.2.14 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling hyper v0.12.36 [INFO] [stderr] Checking smallvec v0.6.14 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking want v0.2.0 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Compiling unicode-normalization v0.1.17 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking inotify v0.7.1 [INFO] [stderr] Checking rand_core v0.6.2 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking mime v0.2.6 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking http v0.1.21 [INFO] [stderr] Checking tokio-buf v0.1.1 [INFO] [stderr] Checking string v0.2.1 [INFO] [stderr] Compiling openssl v0.10.33 [INFO] [stderr] Compiling native-tls v0.2.7 [INFO] [stderr] Checking tokio-executor v0.1.10 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Checking regex v1.4.5 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Checking mio-extras v2.0.6 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Checking backtrace v0.3.56 [INFO] [stderr] Compiling idna v0.1.5 [INFO] [stderr] Checking tokio-current-thread v0.1.7 [INFO] [stderr] Checking tokio-timer v0.2.13 [INFO] [stderr] Checking tokio-codec v0.1.2 [INFO] [stderr] Checking cipher v0.2.5 [INFO] [stderr] Checking universal-hash v0.4.0 [INFO] [stderr] Checking digest v0.9.0 [INFO] [stderr] Checking crypto-mac v0.10.0 [INFO] [stderr] Checking block-buffer v0.9.0 [INFO] [stderr] Checking aead v0.3.2 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking notify v4.0.15 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Checking aes-soft v0.6.4 [INFO] [stderr] Checking ctr v0.6.0 [INFO] [stderr] Checking polyval v0.4.5 [INFO] [stderr] Checking hmac v0.10.1 [INFO] [stderr] Checking sha2 v0.9.3 [INFO] [stderr] Checking tokio-threadpool v0.1.18 [INFO] [stderr] Compiling url v1.7.2 [INFO] [stderr] Checking aes v0.6.0 [INFO] [stderr] Checking hkdf v0.10.0 [INFO] [stderr] Checking ghash v0.3.1 [INFO] [stderr] Checking env_logger v0.6.2 [INFO] [stderr] Checking tokio-tcp v0.1.4 [INFO] [stderr] Checking tokio-uds v0.2.7 [INFO] [stderr] Checking tokio-udp v0.1.6 [INFO] [stderr] Checking aes-gcm v0.8.0 [INFO] [stderr] Compiling hyper v0.10.16 [INFO] [stderr] Compiling cookie v0.11.4 [INFO] [stderr] Checking tokio-fs v0.1.7 [INFO] [stderr] Checking http-body v0.1.0 [INFO] [stderr] Checking h2 v0.1.26 [INFO] [stderr] Checking hyperx v0.13.2 [INFO] [stderr] Checking toml v0.4.10 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stdout] error[E0034]: multiple applicable items in scope [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/h2-0.1.26/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/h2-0.1.26/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/h2-0.1.26/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/h2-0.1.26/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/h2-0.1.26/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/h2-0.1.26/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" "14187665494af30aeed7cf9af3536fe50f27717f3aa0e3ff015defa0a73dc3a6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "14187665494af30aeed7cf9af3536fe50f27717f3aa0e3ff015defa0a73dc3a6", kill_on_drop: false }` [INFO] [stdout] 14187665494af30aeed7cf9af3536fe50f27717f3aa0e3ff015defa0a73dc3a6