[INFO] cloning repository https://github.com/reiseburo/slipstream [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/reiseburo/slipstream" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freiseburo%2Fslipstream", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freiseburo%2Fslipstream'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3a73987799e41ad7817287a7ea65790ee44817a9 [INFO] checking reiseburo/slipstream against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freiseburo%2Fslipstream" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/reiseburo/slipstream on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/reiseburo/slipstream [INFO] finished tweaking git repo https://github.com/reiseburo/slipstream [INFO] tweaked toml for git repo https://github.com/reiseburo/slipstream written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/reiseburo/slipstream already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded chrono v0.4.13 [INFO] [stderr] Downloaded indexmap v1.5.0 [INFO] [stderr] Downloaded cloudabi v0.1.0 [INFO] [stderr] Downloaded config v0.10.1 [INFO] [stderr] Downloaded lock_api v0.4.1 [INFO] [stderr] Downloaded parking_lot_core v0.8.0 [INFO] [stderr] Downloaded async-std v1.6.2 [INFO] [stderr] Downloaded kv-log-macro v1.0.7 [INFO] [stderr] Downloaded async-channel v1.4.0 [INFO] [stderr] Downloaded futures-lite v0.1.10 [INFO] [stderr] Downloaded tracing v0.1.18 [INFO] [stderr] Downloaded proc-macro-crate v0.1.5 [INFO] [stderr] Downloaded yaml-rust v0.4.4 [INFO] [stderr] Downloaded gumdrop_derive v0.8.0 [INFO] [stderr] Downloaded tracing-core v0.1.12 [INFO] [stderr] Downloaded libz-sys v1.0.25 [INFO] [stderr] Downloaded derivative v2.1.1 [INFO] [stderr] Downloaded lexical-core v0.7.4 [INFO] [stderr] Downloaded blocking v0.4.7 [INFO] [stderr] Downloaded concurrent-queue v1.2.0 [INFO] [stderr] Downloaded jsonschema v0.3.1 [INFO] [stderr] Downloaded syn v1.0.36 [INFO] [stderr] Downloaded serde_yaml v0.8.13 [INFO] [stderr] Downloaded rdkafka v0.23.1 [INFO] [stderr] Downloaded serde v1.0.114 [INFO] [stderr] Downloaded async-attributes v1.1.1 [INFO] [stderr] Downloaded event-listener v2.3.0 [INFO] [stderr] Downloaded paste v1.0.0 [INFO] [stderr] Downloaded wepoll-sys-stjepang v1.0.6 [INFO] [stderr] Downloaded smol v0.1.18 [INFO] [stderr] Downloaded num_enum_derive v0.4.3 [INFO] [stderr] Downloaded async-task v3.0.0 [INFO] [stderr] Downloaded cache-padded v1.1.1 [INFO] [stderr] Downloaded atomic-waker v1.0.0 [INFO] [stderr] Downloaded parking v1.0.6 [INFO] [stderr] Downloaded waker-fn v1.0.0 [INFO] [stderr] Downloaded fastrand v1.3.3 [INFO] [stderr] Downloaded serde-hjson v0.9.1 [INFO] [stderr] Downloaded serde_derive v1.0.114 [INFO] [stderr] Downloaded parking_lot v0.11.0 [INFO] [stderr] Downloaded instant v0.1.6 [INFO] [stderr] Downloaded smallvec v1.4.1 [INFO] [stderr] Downloaded gumdrop v0.8.0 [INFO] [stderr] Downloaded hashbrown v0.8.1 [INFO] [stderr] Downloaded cc v1.0.58 [INFO] [stderr] Downloaded num_enum v0.4.3 [INFO] [stderr] Downloaded num-cmp v0.1.0 [INFO] [stderr] Downloaded rdkafka-sys v1.3.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "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] 027cebc50ab34158ff6ea0137ef3555f3d9fd7ec19ac0ef530ded97750b5d372 [INFO] running `Command { std: "docker" "start" "-a" "027cebc50ab34158ff6ea0137ef3555f3d9fd7ec19ac0ef530ded97750b5d372", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "027cebc50ab34158ff6ea0137ef3555f3d9fd7ec19ac0ef530ded97750b5d372", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "027cebc50ab34158ff6ea0137ef3555f3d9fd7ec19ac0ef530ded97750b5d372", kill_on_drop: false }` [INFO] [stdout] 027cebc50ab34158ff6ea0137ef3555f3d9fd7ec19ac0ef530ded97750b5d372 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3163267bb33ef5822ddaf33617c93ef93fb3d3a2ab835f4ea325d7b01b266d2a [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" "3163267bb33ef5822ddaf33617c93ef93fb3d3a2ab835f4ea325d7b01b266d2a", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.74 [INFO] [stderr] Compiling syn v1.0.36 [INFO] [stderr] Compiling serde v1.0.114 [INFO] [stderr] Compiling pin-project-internal v0.4.23 [INFO] [stderr] Compiling proc-macro-nested v0.1.6 [INFO] [stderr] Compiling proc-macro-hack v0.5.18 [INFO] [stderr] Checking pin-project-lite v0.1.7 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Checking bytes v0.5.6 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Checking event-listener v2.3.0 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking instant v0.1.6 [INFO] [stderr] Checking arrayvec v0.5.1 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking ipnet v2.3.0 [INFO] [stderr] Compiling paste v1.0.0 [INFO] [stderr] Checking num-cmp v0.1.0 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling hashbrown v0.8.1 [INFO] [stderr] Compiling indexmap v1.5.0 [INFO] [stderr] Compiling memoffset v0.5.5 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling rayon v1.3.1 [INFO] [stderr] Checking tracing-core v0.1.12 [INFO] [stderr] Compiling rdkafka-sys v1.3.1 [INFO] [stderr] Checking futures-task v0.3.5 [INFO] [stderr] Compiling openssl-sys v0.9.58 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Compiling nom v5.1.2 [INFO] [stderr] Checking lock_api v0.4.1 [INFO] [stderr] Checking concurrent-queue v1.2.0 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking http v0.2.1 [INFO] [stderr] Checking log v0.4.11 [INFO] [stderr] Checking idna v0.2.0 [INFO] [stderr] Checking encoding_rs v0.8.23 [INFO] [stderr] Checking aho-corasick v0.7.13 [INFO] [stderr] Checking futures-lite v0.1.10 [INFO] [stderr] Checking async-channel v1.4.0 [INFO] [stderr] Checking lexical-core v0.7.4 [INFO] [stderr] Checking tracing v0.1.18 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Checking kv-log-macro v1.0.7 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Checking url v2.1.1 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Checking blocking v0.4.7 [INFO] [stderr] Compiling openssl v0.10.30 [INFO] [stderr] Compiling native-tls v0.2.4 [INFO] [stderr] Compiling mime_guess v2.0.3 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.34 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking socket2 v0.3.12 [INFO] [stderr] Checking parking_lot_core v0.8.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking libz-sys v1.0.25 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking mio v0.6.22 [INFO] [stderr] Checking http-body v0.3.1 [INFO] [stderr] Checking parking_lot v0.11.0 [INFO] [stderr] Checking rayon-core v1.7.1 [INFO] [stderr] Checking chrono v0.4.13 [INFO] [stderr] Checking serde-hjson v0.9.1 [INFO] [stderr] Checking env_logger v0.6.2 [INFO] [stderr] Checking tokio v0.2.22 [INFO] [stderr] Checking pretty_env_logger v0.3.1 [INFO] [stderr] Checking tokio-util v0.3.1 [INFO] [stderr] Checking tokio-tls v0.3.1 [INFO] [stderr] Compiling serde_derive v1.0.114 [INFO] [stderr] Compiling futures-macro v0.3.5 [INFO] [stderr] Compiling derivative v2.1.1 [INFO] [stderr] Compiling gumdrop_derive v0.8.0 [INFO] [stderr] Compiling async-attributes v1.1.1 [INFO] [stderr] Checking gumdrop v0.8.0 [INFO] [stderr] Checking pin-project v0.4.23 [INFO] [stderr] Checking futures-util v0.3.5 [INFO] [stderr] Checking h2 v0.2.6 [INFO] [stderr] Checking futures-executor v0.3.5 [INFO] [stderr] Checking smol v0.1.18 [INFO] [stderr] Checking futures v0.3.5 [INFO] [stderr] Checking async-std v1.6.2 [INFO] [stderr] Checking serde_json v1.0.57 [INFO] [stderr] Checking serde_urlencoded v0.6.1 [INFO] [stderr] Checking toml v0.5.6 [INFO] [stderr] Checking serde_yaml v0.8.13 [INFO] [stderr] Checking hyper v0.13.7 [INFO] [stderr] Checking config v0.10.1 [INFO] [stderr] Compiling proc-macro-crate v0.1.5 [INFO] [stderr] Compiling num_enum_derive v0.4.3 [INFO] [stderr] Checking num_enum v0.4.3 [INFO] [stderr] Checking hyper-tls v0.4.3 [INFO] [stderr] Checking reqwest v0.10.7 [INFO] [stderr] Checking rdkafka v0.23.1 [INFO] [stderr] Checking jsonschema v0.3.1 [INFO] [stderr] Checking slipstream v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:132:13 [INFO] [stdout] | [INFO] [stdout] 132 | producer.send(record, -1 as i64).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:207:37 [INFO] [stdout] | [INFO] [stdout] 207 | ... sender.send(message).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:227:29 [INFO] [stdout] | [INFO] [stdout] 227 | ... sender.send(message).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:132:13 [INFO] [stdout] | [INFO] [stdout] 132 | producer.send(record, -1 as i64).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:207:37 [INFO] [stdout] | [INFO] [stdout] 207 | ... sender.send(message).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:227:29 [INFO] [stdout] | [INFO] [stdout] 227 | ... sender.send(message).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 30s [INFO] running `Command { std: "docker" "inspect" "3163267bb33ef5822ddaf33617c93ef93fb3d3a2ab835f4ea325d7b01b266d2a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3163267bb33ef5822ddaf33617c93ef93fb3d3a2ab835f4ea325d7b01b266d2a", kill_on_drop: false }` [INFO] [stdout] 3163267bb33ef5822ddaf33617c93ef93fb3d3a2ab835f4ea325d7b01b266d2a