[INFO] cloning repository https://github.com/victorinno/tower_web_dummy_service [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/victorinno/tower_web_dummy_service" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvictorinno%2Ftower_web_dummy_service", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvictorinno%2Ftower_web_dummy_service'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4e9adcf9947f73885e5a50ed0a18e0ed8770c54c [INFO] checking victorinno/tower_web_dummy_service against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvictorinno%2Ftower_web_dummy_service" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/victorinno/tower_web_dummy_service 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/victorinno/tower_web_dummy_service [INFO] finished tweaking git repo https://github.com/victorinno/tower_web_dummy_service [INFO] tweaked toml for git repo https://github.com/victorinno/tower_web_dummy_service written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/victorinno/tower_web_dummy_service 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] Downloading crates ... [INFO] [stderr] Downloaded proc-macro-hack-impl v0.4.2 [INFO] [stderr] Downloaded proc-macro-hack v0.4.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 6177ec15fe0c4e7ad71a80207f0f5bb3f183ee3b804281dde9831665e7119f85 [INFO] running `Command { std: "docker" "start" "-a" "6177ec15fe0c4e7ad71a80207f0f5bb3f183ee3b804281dde9831665e7119f85", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6177ec15fe0c4e7ad71a80207f0f5bb3f183ee3b804281dde9831665e7119f85", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6177ec15fe0c4e7ad71a80207f0f5bb3f183ee3b804281dde9831665e7119f85", kill_on_drop: false }` [INFO] [stdout] 6177ec15fe0c4e7ad71a80207f0f5bb3f183ee3b804281dde9831665e7119f85 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] d3c9746813daa109a293a23ce5c833f7f8e92b1577374ddbb82974a830c24bcf [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" "d3c9746813daa109a293a23ce5c833f7f8e92b1577374ddbb82974a830c24bcf", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.70 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling proc-macro2 v1.0.13 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling proc-macro-hack-impl v0.4.2 [INFO] [stderr] Compiling syn v1.0.22 [INFO] [stderr] Checking try-lock v0.2.2 [INFO] [stderr] Checking regex-syntax v0.6.17 [INFO] [stderr] Compiling itoa v0.4.5 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking adler32 v1.0.4 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Compiling memoffset v0.5.4 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Checking tokio-sync v0.1.8 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling indexmap v1.3.2 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Checking tower-service v0.1.0 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Checking log v0.4.8 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Checking miniz_oxide v0.3.6 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking crc32fast v1.2.0 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Compiling hyper v0.12.35 [INFO] [stderr] Checking generic-array v0.12.3 [INFO] [stderr] Checking serde_plain v0.3.0 [INFO] [stderr] Checking serde_json v1.0.53 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking want v0.2.0 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Compiling phf_shared v0.7.24 [INFO] [stderr] Checking smallvec v0.6.13 [INFO] [stderr] Checking aho-corasick v0.7.10 [INFO] [stderr] Compiling proc-macro-hack v0.4.2 [INFO] [stderr] Checking mime v0.2.6 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking sha-1 v0.8.2 [INFO] [stderr] Checking phf v0.7.24 [INFO] [stderr] Checking tokio-executor v0.1.10 [INFO] [stderr] Checking crossbeam-queue v0.2.1 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking tokio-timer v0.2.13 [INFO] [stderr] Checking tokio-current-thread v0.1.7 [INFO] [stderr] Compiling quote v1.0.6 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking net2 v0.2.34 [INFO] [stderr] Checking parking_lot_core v0.6.2 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking flate2 v1.0.14 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking tokio-threadpool v0.1.18 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking atoi v0.2.3 [INFO] [stderr] Checking checked v0.5.0 [INFO] [stderr] Checking parking_lot v0.9.0 [INFO] [stderr] Checking mio v0.6.22 [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] Checking serde_urlencoded v0.5.5 [INFO] [stderr] Checking chrono v0.4.11 [INFO] [stderr] Checking regex v1.3.7 [INFO] [stderr] Checking tokio-codec v0.1.2 [INFO] [stderr] Checking tokio-fs v0.1.7 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Checking tokio-tcp v0.1.4 [INFO] [stderr] Checking tokio-uds v0.2.6 [INFO] [stderr] Checking tokio-udp v0.1.6 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling phf_codegen v0.7.24 [INFO] [stderr] Compiling mime_guess v1.8.8 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking handlebars v1.0.5 [INFO] [stderr] Checking headers-core v0.1.1 [INFO] [stderr] Checking h2 v0.1.26 [INFO] [stderr] Checking http-body v0.1.0 [INFO] [stderr] Checking headers v0.2.3 [INFO] [stderr] Compiling serde_derive v1.0.110 [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" "d3c9746813daa109a293a23ce5c833f7f8e92b1577374ddbb82974a830c24bcf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d3c9746813daa109a293a23ce5c833f7f8e92b1577374ddbb82974a830c24bcf", kill_on_drop: false }` [INFO] [stdout] d3c9746813daa109a293a23ce5c833f7f8e92b1577374ddbb82974a830c24bcf