[INFO] updating cached repository https://github.com/alyjak/distributed-chat [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 100050eb8b2a9e91ccdc97cb89ac857cafdad61b [INFO] testing alyjak/distributed-chat against beta-2020-07-24 for beta-1.46-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falyjak%2Fdistributed-chat" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/alyjak/distributed-chat on toolchain beta-2020-07-24 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/alyjak/distributed-chat [INFO] finished tweaking git repo https://github.com/alyjak/distributed-chat [INFO] tweaked toml for git repo https://github.com/alyjak/distributed-chat written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/alyjak/distributed-chat already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bc9c02f6198cb531d2034313e3cb950b60e8c1829b1e5a96101d8de566fd7992 [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" "bc9c02f6198cb531d2034313e3cb950b60e8c1829b1e5a96101d8de566fd7992", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bc9c02f6198cb531d2034313e3cb950b60e8c1829b1e5a96101d8de566fd7992", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bc9c02f6198cb531d2034313e3cb950b60e8c1829b1e5a96101d8de566fd7992", kill_on_drop: false }` [INFO] [stdout] bc9c02f6198cb531d2034313e3cb950b60e8c1829b1e5a96101d8de566fd7992 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] eb2e38cb8f549aa6753efc0380f768b7b04b274a152af71583d61479c26d1f8f [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" "eb2e38cb8f549aa6753efc0380f768b7b04b274a152af71583d61479c26d1f8f", kill_on_drop: false }` [INFO] [stderr] Compiling futures v0.1.25 [INFO] [stderr] Compiling rand_core v0.3.0 [INFO] [stderr] Compiling byteorder v1.2.7 [INFO] [stderr] Compiling crossbeam-utils v0.5.0 [INFO] [stderr] Compiling slab v0.4.1 [INFO] [stderr] Compiling lazycell v1.2.0 [INFO] [stderr] Compiling iovec v0.1.2 [INFO] [stderr] Compiling num_cpus v1.8.0 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling crossbeam-utils v0.6.1 [INFO] [stderr] Compiling arrayvec v0.4.7 [INFO] [stderr] Compiling owning_ref v0.3.3 [INFO] [stderr] Compiling smallvec v0.6.6 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] Compiling clap v2.32.0 [INFO] [stderr] Compiling lock_api v0.1.4 [INFO] [stderr] Compiling rand_core v0.2.2 [INFO] [stderr] Compiling rand v0.5.5 [INFO] [stderr] Compiling mio v0.6.16 [INFO] [stderr] Compiling bytes v0.4.11 [INFO] [stderr] Compiling crossbeam-epoch v0.6.1 [INFO] [stderr] Compiling crossbeam-deque v0.6.2 [INFO] [stderr] Compiling mio-uds v0.6.7 [INFO] [stderr] Compiling parking_lot v0.6.4 [INFO] [stderr] Compiling tokio-executor v0.1.5 [INFO] [stderr] Compiling tokio-io v0.1.10 [INFO] [stderr] Compiling tokio-threadpool v0.1.8 [INFO] [stderr] Compiling tokio-timer v0.2.7 [INFO] [stderr] Compiling tokio-current-thread v0.1.3 [INFO] [stderr] Compiling tokio-reactor v0.1.6 [INFO] [stderr] Compiling tokio-codec v0.1.1 [INFO] [stderr] Compiling tokio-fs v0.1.4 [INFO] [stderr] Compiling tokio-udp v0.1.2 [INFO] [stderr] Compiling tokio-tcp v0.1.2 [INFO] [stderr] Compiling tokio-uds v0.2.3 [INFO] [stderr] Compiling tokio v0.1.11 [INFO] [stderr] Compiling assignment v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/message.rs:226:9 [INFO] [stdout] | [INFO] [stdout] 226 | / write!( [INFO] [stdout] 227 | | f, [INFO] [stdout] 228 | | "[{} {}]", [INFO] [stdout] 229 | | unsafe { from_utf8_unchecked(&self.from[..]) }, [INFO] [stdout] 230 | | self.typ [INFO] [stdout] 231 | | ); [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] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/message.rs:235:17 [INFO] [stdout] | [INFO] [stdout] 235 | write!(f, ": {}", unsafe { from_utf8_unchecked(&self.content[..]) }); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:26:29 [INFO] [stdout] | [INFO] [stdout] 26 | fn main() -> Result<(), Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 38.81s [INFO] running `Command { std: "docker" "inspect" "eb2e38cb8f549aa6753efc0380f768b7b04b274a152af71583d61479c26d1f8f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eb2e38cb8f549aa6753efc0380f768b7b04b274a152af71583d61479c26d1f8f", kill_on_drop: false }` [INFO] [stdout] eb2e38cb8f549aa6753efc0380f768b7b04b274a152af71583d61479c26d1f8f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1c33f497f89435306f513079f9a539bbdda775a4e321b9e3ac6f6a9011866be8 [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" "1c33f497f89435306f513079f9a539bbdda775a4e321b9e3ac6f6a9011866be8", kill_on_drop: false }` [INFO] [stderr] Compiling assignment v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/message.rs:226:9 [INFO] [stdout] | [INFO] [stdout] 226 | / write!( [INFO] [stdout] 227 | | f, [INFO] [stdout] 228 | | "[{} {}]", [INFO] [stdout] 229 | | unsafe { from_utf8_unchecked(&self.from[..]) }, [INFO] [stdout] 230 | | self.typ [INFO] [stdout] 231 | | ); [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] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/message.rs:235:17 [INFO] [stdout] | [INFO] [stdout] 235 | write!(f, ": {}", unsafe { from_utf8_unchecked(&self.content[..]) }); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:26:29 [INFO] [stdout] | [INFO] [stdout] 26 | fn main() -> Result<(), Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/message.rs:226:9 [INFO] [stdout] | [INFO] [stdout] 226 | / write!( [INFO] [stdout] 227 | | f, [INFO] [stdout] 228 | | "[{} {}]", [INFO] [stdout] 229 | | unsafe { from_utf8_unchecked(&self.from[..]) }, [INFO] [stdout] 230 | | self.typ [INFO] [stdout] 231 | | ); [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] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/message.rs:235:17 [INFO] [stdout] | [INFO] [stdout] 235 | write!(f, ": {}", unsafe { from_utf8_unchecked(&self.content[..]) }); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.64s [INFO] running `Command { std: "docker" "inspect" "1c33f497f89435306f513079f9a539bbdda775a4e321b9e3ac6f6a9011866be8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1c33f497f89435306f513079f9a539bbdda775a4e321b9e3ac6f6a9011866be8", kill_on_drop: false }` [INFO] [stdout] 1c33f497f89435306f513079f9a539bbdda775a4e321b9e3ac6f6a9011866be8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 59a4b95685a0c2bc7a6a734adcd636a9b3c75d1f578115559002682b59f54385 [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" "59a4b95685a0c2bc7a6a734adcd636a9b3c75d1f578115559002682b59f54385", kill_on_drop: false }` [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/message.rs:226:9 [INFO] [stderr] | [INFO] [stderr] 226 | / write!( [INFO] [stderr] 227 | | f, [INFO] [stderr] 228 | | "[{} {}]", [INFO] [stderr] 229 | | unsafe { from_utf8_unchecked(&self.from[..]) }, [INFO] [stderr] 230 | | self.typ [INFO] [stderr] 231 | | ); [INFO] [stderr] | |__________^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/message.rs:235:17 [INFO] [stderr] | [INFO] [stderr] 235 | write!(f, ": {}", unsafe { from_utf8_unchecked(&self.content[..]) }); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:26:29 [INFO] [stderr] | [INFO] [stderr] 26 | fn main() -> Result<(), Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/message.rs:226:9 [INFO] [stderr] | [INFO] [stderr] 226 | / write!( [INFO] [stderr] 227 | | f, [INFO] [stderr] 228 | | "[{} {}]", [INFO] [stderr] 229 | | unsafe { from_utf8_unchecked(&self.from[..]) }, [INFO] [stderr] 230 | | self.typ [INFO] [stderr] 231 | | ); [INFO] [stderr] | |__________^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/message.rs:235:17 [INFO] [stderr] | [INFO] [stderr] 235 | write!(f, ": {}", unsafe { from_utf8_unchecked(&self.content[..]) }); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/assignment-cfc40f9f64a9509b [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/assignment-e32616e16a7f611e [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests assignment [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "59a4b95685a0c2bc7a6a734adcd636a9b3c75d1f578115559002682b59f54385", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "59a4b95685a0c2bc7a6a734adcd636a9b3c75d1f578115559002682b59f54385", kill_on_drop: false }` [INFO] [stdout] 59a4b95685a0c2bc7a6a734adcd636a9b3c75d1f578115559002682b59f54385