[INFO] cloning repository https://github.com/sdslabs/gasper-sample-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sdslabs/gasper-sample-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsdslabs%2Fgasper-sample-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsdslabs%2Fgasper-sample-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 60c77934b7827617d837c8ecc77b65ec7e342fed [INFO] checking sdslabs/gasper-sample-rust against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsdslabs%2Fgasper-sample-rust" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sdslabs/gasper-sample-rust 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/sdslabs/gasper-sample-rust [INFO] finished tweaking git repo https://github.com/sdslabs/gasper-sample-rust [INFO] tweaked toml for git repo https://github.com/sdslabs/gasper-sample-rust written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/sdslabs/gasper-sample-rust 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] Downloading crates ... [INFO] [stderr] Downloaded typemap v0.3.3 [INFO] [stderr] Downloaded unsafe-any v0.4.2 [INFO] [stderr] Downloaded safemem v0.3.3 [INFO] [stderr] Downloaded mime v0.2.6 [INFO] [stderr] Downloaded traitobject v0.1.0 [INFO] [stderr] Downloaded time v0.1.43 [INFO] [stderr] Downloaded typeable v0.1.2 [INFO] [stderr] Downloaded unicase v1.4.2 [INFO] [stderr] Downloaded groupable v0.2.0 [INFO] [stderr] Downloaded modifier v0.1.0 [INFO] [stderr] Downloaded hermit-abi v0.1.13 [INFO] [stderr] Downloaded log v0.3.9 [INFO] [stderr] Downloaded httparse v1.3.4 [INFO] [stderr] Downloaded language-tags v0.2.2 [INFO] [stderr] Downloaded base64 v0.9.3 [INFO] [stderr] Downloaded hyper v0.10.16 [INFO] [stderr] Downloaded regex-syntax v0.6.17 [INFO] [stderr] Downloaded regex v1.3.7 [INFO] [stderr] Downloaded aho-corasick v0.7.10 [INFO] [stderr] Downloaded serde v1.0.110 [INFO] [stderr] Downloaded mustache v0.9.0 [INFO] [stderr] Downloaded ryu v1.0.4 [INFO] [stderr] Downloaded smallvec v1.4.0 [INFO] [stderr] Downloaded itoa v0.4.5 [INFO] [stderr] Downloaded serde_json v1.0.53 [INFO] [stderr] Downloaded nickel v0.11.0 [INFO] [stderr] Downloaded plugin v0.2.6 [INFO] [stderr] Downloaded unicode-normalization v0.1.12 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 99a8e7e66fd19fc3f8f3ccb2af40313e5ff6a430cad1d5b7bff94835c78aed7e [INFO] running `Command { std: "docker" "start" "-a" "99a8e7e66fd19fc3f8f3ccb2af40313e5ff6a430cad1d5b7bff94835c78aed7e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "99a8e7e66fd19fc3f8f3ccb2af40313e5ff6a430cad1d5b7bff94835c78aed7e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "99a8e7e66fd19fc3f8f3ccb2af40313e5ff6a430cad1d5b7bff94835c78aed7e", kill_on_drop: false }` [INFO] [stdout] 99a8e7e66fd19fc3f8f3ccb2af40313e5ff6a430cad1d5b7bff94835c78aed7e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 56c7897efaf217285492ae5a0f00f84a1c77a5a5c40ebee70a12ce92a93aebae [INFO] running `Command { std: "docker" "start" "-a" "56c7897efaf217285492ae5a0f00f84a1c77a5a5c40ebee70a12ce92a93aebae", kill_on_drop: false }` [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling libc v0.2.70 [INFO] [stderr] Checking smallvec v1.4.0 [INFO] [stderr] Checking traitobject v0.1.0 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Compiling serde v1.0.110 [INFO] [stderr] Compiling ryu v1.0.4 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Compiling httparse v1.3.4 [INFO] [stderr] Checking unicode-normalization v0.1.12 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking unsafe-any v0.4.2 [INFO] [stderr] Checking safemem v0.3.3 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Checking base64 v0.9.3 [INFO] [stderr] Checking typemap v0.3.3 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking aho-corasick v0.7.10 [INFO] [stderr] Checking mime v0.2.6 [INFO] [stderr] Checking itoa v0.4.5 [INFO] [stderr] Checking language-tags v0.2.2 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking regex-syntax v0.6.17 [INFO] [stderr] Checking typeable v0.1.2 [INFO] [stderr] Checking plugin v0.2.6 [INFO] [stderr] Checking groupable v0.2.0 [INFO] [stderr] Checking modifier v0.1.0 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking hyper v0.10.16 [INFO] [stderr] Checking regex v1.3.7 [INFO] [stderr] Checking serde_json v1.0.53 [INFO] [stderr] Checking mustache v0.9.0 [INFO] [stderr] Checking nickel v0.11.0 [INFO] [stderr] Checking gasper-sample-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | server.listen("0.0.0.0:3000"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 8 | let _ = server.listen("0.0.0.0:3000"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | server.listen("0.0.0.0:3000"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 8 | let _ = server.listen("0.0.0.0:3000"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.19s [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 2` [INFO] running `Command { std: "docker" "inspect" "56c7897efaf217285492ae5a0f00f84a1c77a5a5c40ebee70a12ce92a93aebae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "56c7897efaf217285492ae5a0f00f84a1c77a5a5c40ebee70a12ce92a93aebae", kill_on_drop: false }` [INFO] [stdout] 56c7897efaf217285492ae5a0f00f84a1c77a5a5c40ebee70a12ce92a93aebae