[INFO] cloning repository https://github.com/shrihari-prakash/emoji-url [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shrihari-prakash/emoji-url" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshrihari-prakash%2Femoji-url", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshrihari-prakash%2Femoji-url'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0d253f37cb2f5d34e3f5b508fd9580d0d7834aec [INFO] checking shrihari-prakash/emoji-url against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshrihari-prakash%2Femoji-url" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/shrihari-prakash/emoji-url on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/shrihari-prakash/emoji-url [INFO] finished tweaking git repo https://github.com/shrihari-prakash/emoji-url [INFO] tweaked toml for git repo https://github.com/shrihari-prakash/emoji-url written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/shrihari-prakash/emoji-url already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Updating git repository `https://github.com/servo/rust-url` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded mustache v0.9.0 [INFO] [stderr] Downloaded groupable v0.2.0 [INFO] [stderr] Downloaded nickel v0.11.0 [INFO] [stderr] Downloaded net2 v0.2.38 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2cbf86fea800726fb5130f055c995dc23e31e81fe601f198665e0a41a542c9cc [INFO] running `Command { std: "docker" "start" "-a" "2cbf86fea800726fb5130f055c995dc23e31e81fe601f198665e0a41a542c9cc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2cbf86fea800726fb5130f055c995dc23e31e81fe601f198665e0a41a542c9cc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2cbf86fea800726fb5130f055c995dc23e31e81fe601f198665e0a41a542c9cc", kill_on_drop: false }` [INFO] [stdout] 2cbf86fea800726fb5130f055c995dc23e31e81fe601f198665e0a41a542c9cc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 946ac70b3d43eebbe4a5a8b4c216f0bbe08e65394d03b3f3fd55699814b39c2f [INFO] running `Command { std: "docker" "start" "-a" "946ac70b3d43eebbe4a5a8b4c216f0bbe08e65394d03b3f3fd55699814b39c2f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.134 [INFO] [stderr] Checking futures v0.1.31 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Checking traitobject v0.1.0 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Checking unicode-normalization v0.1.22 [INFO] [stderr] Compiling serde v1.0.145 [INFO] [stderr] Checking smallvec v0.6.14 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking safemem v0.3.3 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Checking base64 v0.9.3 [INFO] [stderr] Checking scoped-tls v0.1.2 [INFO] [stderr] Checking unsafe-any v0.4.2 [INFO] [stderr] Compiling serde_json v1.0.87 [INFO] [stderr] Checking typemap v0.3.3 [INFO] [stderr] Checking aho-corasick v0.7.19 [INFO] [stderr] Checking smallvec v0.2.1 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking mime v0.2.6 [INFO] [stderr] Checking take v0.1.0 [INFO] [stderr] Checking percent-encoding v2.2.0 (https://github.com/servo/rust-url#1c1e4068) [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Checking regex-syntax v0.6.27 [INFO] [stderr] Checking slab v0.3.0 [INFO] [stderr] Checking typeable v0.1.2 [INFO] [stderr] Checking try-lock v0.1.0 [INFO] [stderr] Checking itoa v1.0.4 [INFO] [stderr] Checking form_urlencoded v1.1.0 (https://github.com/servo/rust-url#1c1e4068) [INFO] [stderr] Checking plugin v0.2.6 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Checking modifier v0.1.0 [INFO] [stderr] Checking groupable v0.2.0 [INFO] [stderr] Checking urlencoding v2.1.2 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking idna v0.3.0 (https://github.com/servo/rust-url#1c1e4068) [INFO] [stderr] Checking crossbeam-deque v0.7.4 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking url v2.3.1 (https://github.com/servo/rust-url#1c1e4068) [INFO] [stderr] Checking tokio-executor v0.1.10 [INFO] [stderr] Checking tokio-sync v0.1.8 [INFO] [stderr] Checking tokio-service v0.1.0 [INFO] [stderr] Checking relay v0.1.1 [INFO] [stderr] Checking want v0.0.4 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking net2 v0.2.38 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking tokio-timer v0.2.13 [INFO] [stderr] Checking tokio-current-thread v0.1.7 [INFO] [stderr] Checking tokio-threadpool v0.1.18 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking hyper v0.10.16 [INFO] [stderr] Checking tokio-io v0.1.13 [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 rand v0.3.23 [INFO] [stderr] Checking tokio-tcp v0.1.4 [INFO] [stderr] Checking tokio-udp v0.1.6 [INFO] [stderr] Checking tokio-uds v0.2.7 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking regex v1.6.0 [INFO] [stderr] Checking tokio-core v0.1.18 [INFO] [stderr] Checking tokio-proto v0.1.1 [INFO] [stderr] Checking mustache v0.9.0 [INFO] [stderr] Checking hyper v0.11.27 [INFO] [stderr] Checking nickel v0.11.0 [INFO] [stderr] Checking emoji-url v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:90:5 [INFO] [stdout] | [INFO] [stdout] 90 | server.listen("127.0.0.1:1111"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/main.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | #![warn(unused_must_use)] [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 90 | let _ = server.listen("127.0.0.1:1111"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:90:5 [INFO] [stdout] | [INFO] [stdout] 90 | server.listen("127.0.0.1:1111"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/main.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | #![warn(unused_must_use)] [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 90 | let _ = server.listen("127.0.0.1:1111"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.38s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: traitobject v0.1.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4` [INFO] running `Command { std: "docker" "inspect" "946ac70b3d43eebbe4a5a8b4c216f0bbe08e65394d03b3f3fd55699814b39c2f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "946ac70b3d43eebbe4a5a8b4c216f0bbe08e65394d03b3f3fd55699814b39c2f", kill_on_drop: false }` [INFO] [stdout] 946ac70b3d43eebbe4a5a8b4c216f0bbe08e65394d03b3f3fd55699814b39c2f