[INFO] cloning repository https://github.com/siiptuo/rhubarb [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/siiptuo/rhubarb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsiiptuo%2Frhubarb", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsiiptuo%2Frhubarb'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4732774b1fee02aa2d034214f86794dc76e9f6f2 [INFO] checking siiptuo/rhubarb against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsiiptuo%2Frhubarb" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/siiptuo/rhubarb 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/siiptuo/rhubarb [INFO] finished tweaking git repo https://github.com/siiptuo/rhubarb [INFO] tweaked toml for git repo https://github.com/siiptuo/rhubarb written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/siiptuo/rhubarb 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 hmac v0.7.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 6fff9ee3caea496ce693f76a889375ee26ecc27450df63e62742888b3174a27b [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" "6fff9ee3caea496ce693f76a889375ee26ecc27450df63e62742888b3174a27b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6fff9ee3caea496ce693f76a889375ee26ecc27450df63e62742888b3174a27b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6fff9ee3caea496ce693f76a889375ee26ecc27450df63e62742888b3174a27b", kill_on_drop: false }` [INFO] [stdout] 6fff9ee3caea496ce693f76a889375ee26ecc27450df63e62742888b3174a27b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 1d9d3cb2ef8e37d32ac9198e7b1f3d5d69d20ee7e6e25eafeb44fa007cd6c1f3 [INFO] running `Command { std: "docker" "start" "-a" "1d9d3cb2ef8e37d32ac9198e7b1f3d5d69d20ee7e6e25eafeb44fa007cd6c1f3", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.45 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Checking rand_core v0.3.0 [INFO] [stderr] Checking futures v0.1.25 [INFO] [stderr] Checking byteorder v1.2.7 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking lazy_static v1.2.0 [INFO] [stderr] Checking lazycell v1.2.1 [INFO] [stderr] Compiling typenum v1.10.0 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Checking itoa v0.4.3 [INFO] [stderr] Checking byte-tools v0.3.0 [INFO] [stderr] Checking string v0.1.2 [INFO] [stderr] Checking unicode-normalization v0.1.7 [INFO] [stderr] Checking subtle v1.0.0 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Checking opaque-debug v0.2.1 [INFO] [stderr] Checking fake-simd v0.1.2 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking crossbeam-utils v0.6.3 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking block-padding v0.1.2 [INFO] [stderr] Checking lock_api v0.1.5 [INFO] [stderr] Checking rand_core v0.2.2 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_xorshift v0.1.0 [INFO] [stderr] Checking smallvec v0.6.7 [INFO] [stderr] Checking crossbeam-epoch v0.7.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking crossbeam-deque v0.6.3 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] Compiling rand_pcg v0.1.1 [INFO] [stderr] Compiling rand_chacha v0.1.0 [INFO] [stderr] Compiling rand v0.6.1 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking num_cpus v1.9.0 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking rand v0.5.5 [INFO] [stderr] Checking time v0.1.41 [INFO] [stderr] Checking bytes v0.4.11 [INFO] [stderr] Checking tokio-executor v0.1.5 [INFO] [stderr] Checking want v0.0.6 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking mio v0.6.16 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking generic-array v0.12.0 [INFO] [stderr] Checking tokio-timer v0.2.8 [INFO] [stderr] Checking tokio-current-thread v0.1.4 [INFO] [stderr] Checking digest v0.8.0 [INFO] [stderr] Checking crypto-mac v0.7.0 [INFO] [stderr] Checking block-buffer v0.7.0 [INFO] [stderr] Checking tokio-io v0.1.10 [INFO] [stderr] Checking http v0.1.14 [INFO] [stderr] Checking sha2 v0.8.0 [INFO] [stderr] Checking hmac v0.7.0 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Checking parking_lot v0.6.4 [INFO] [stderr] Checking tokio-threadpool v0.1.9 [INFO] [stderr] Checking tokio-reactor v0.1.7 [INFO] [stderr] Checking tokio-udp v0.1.3 [INFO] [stderr] Checking tokio-uds v0.2.4 [INFO] [stderr] Checking tokio-tcp v0.1.2 [INFO] [stderr] Checking tokio-fs v0.1.4 [INFO] [stderr] Checking tokio v0.1.13 [INFO] [stderr] Checking h2 v0.1.14 [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] running `Command { std: "docker" "inspect" "1d9d3cb2ef8e37d32ac9198e7b1f3d5d69d20ee7e6e25eafeb44fa007cd6c1f3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1d9d3cb2ef8e37d32ac9198e7b1f3d5d69d20ee7e6e25eafeb44fa007cd6c1f3", kill_on_drop: false }` [INFO] [stdout] 1d9d3cb2ef8e37d32ac9198e7b1f3d5d69d20ee7e6e25eafeb44fa007cd6c1f3