[INFO] cloning repository https://github.com/codebam/chatserver-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/codebam/chatserver-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodebam%2Fchatserver-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodebam%2Fchatserver-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d249c91682b311ae665e91eaaf3b4a0ecaf138b9 [INFO] checking codebam/chatserver-rust against master#8f359beca4e58bc3ae795a666301a8f47023044c for pr-121557 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodebam%2Fchatserver-rust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/codebam/chatserver-rust on toolchain 8f359beca4e58bc3ae795a666301a8f47023044c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f359beca4e58bc3ae795a666301a8f47023044c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/codebam/chatserver-rust [INFO] finished tweaking git repo https://github.com/codebam/chatserver-rust [INFO] tweaked toml for git repo https://github.com/codebam/chatserver-rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/codebam/chatserver-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" "+8f359beca4e58bc3ae795a666301a8f47023044c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded async-macros v1.0.0 [INFO] [stderr] Downloaded futures-timer v0.4.0 [INFO] [stderr] Downloaded proc-macro-hack v0.5.9 [INFO] [stderr] Downloaded async-task v1.0.0 [INFO] [stderr] Downloaded async-std v0.99.6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+8f359beca4e58bc3ae795a666301a8f47023044c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 94e7417838de829f84cff95095ef1abf46f54903b99478015bbb345b2dbb38bb [INFO] running `Command { std: "docker" "start" "-a" "94e7417838de829f84cff95095ef1abf46f54903b99478015bbb345b2dbb38bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "94e7417838de829f84cff95095ef1abf46f54903b99478015bbb345b2dbb38bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "94e7417838de829f84cff95095ef1abf46f54903b99478015bbb345b2dbb38bb", kill_on_drop: false }` [INFO] [stdout] 94e7417838de829f84cff95095ef1abf46f54903b99478015bbb345b2dbb38bb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+8f359beca4e58bc3ae795a666301a8f47023044c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f4ab1df2d499b041734df23f36e7c395c2ba486fb573aef3025dc4b1bb31e1cc [INFO] running `Command { std: "docker" "start" "-a" "f4ab1df2d499b041734df23f36e7c395c2ba486fb573aef3025dc4b1bb31e1cc", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.4 [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling getrandom v0.1.12 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling proc-macro-nested v0.1.3 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking futures-core-preview v0.3.0-alpha.18 [INFO] [stderr] Checking ppv-lite86 v0.2.5 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling typenum v1.11.2 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Compiling arrayvec v0.4.11 [INFO] [stderr] Checking futures-io-preview v0.3.0-alpha.18 [INFO] [stderr] Checking futures-sink-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking futures-channel-preview v0.3.0-alpha.18 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling serde v1.0.101 [INFO] [stderr] Checking scopeguard v1.0.0 [INFO] [stderr] Checking byte-tools v0.3.1 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking c2-chacha v0.2.2 [INFO] [stderr] Compiling ryu v1.0.0 [INFO] [stderr] Checking futures-core v0.3.1 [INFO] [stderr] Checking block-padding v0.1.5 [INFO] [stderr] Checking async-task v1.0.0 [INFO] [stderr] Checking kv-log-macro v1.0.4 [INFO] [stderr] Checking crossbeam-channel v0.3.9 [INFO] [stderr] Checking async-macros v1.0.0 [INFO] [stderr] Checking fake-simd v0.1.2 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Checking opaque-debug v0.2.3 [INFO] [stderr] Checking futures-task v0.3.1 [INFO] [stderr] Compiling memoffset v0.5.1 [INFO] [stderr] Checking futures-channel v0.3.1 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking num_cpus v1.10.1 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking crossbeam-epoch v0.7.2 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking mio v0.6.19 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Checking rand v0.7.2 [INFO] [stderr] Checking generic-array v0.12.3 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking sha2 v0.8.0 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Compiling proc-macro-hack v0.5.9 [INFO] [stderr] Compiling serde_derive v1.0.101 [INFO] [stderr] Compiling futures-select-macro-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling futures-join-macro-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling futures-macro v0.3.1 [INFO] [stderr] Checking futures-util-preview v0.3.0-alpha.18 [INFO] [stderr] Checking futures-util v0.3.1 [INFO] [stderr] Checking futures-executor-preview v0.3.0-alpha.18 [INFO] [stderr] Checking futures-timer v0.4.0 [INFO] [stderr] Checking futures-preview v0.3.0-alpha.18 [INFO] [stderr] Checking async-std v0.99.6 [INFO] [stderr] Checking serde_json v1.0.40 [INFO] [stderr] Checking chat-server-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: found module declaration for lib.rs [INFO] [stdout] --> src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | mod lib; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: lib.rs is the root of this crate's library target [INFO] [stdout] = help: to refer to it from other targets, use the library's name as the path [INFO] [stdout] = note: `#[warn(special_module_name)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: found module declaration for lib.rs [INFO] [stdout] --> src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | mod lib; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: lib.rs is the root of this crate's library target [INFO] [stdout] = help: to refer to it from other targets, use the library's name as the path [INFO] [stdout] = note: `#[warn(special_module_name)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/main.rs:135:5 [INFO] [stdout] | [INFO] [stdout] 135 | drop(version); [INFO] [stdout] | ^^^^^-------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `usize` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: `#[warn(dropping_copy_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/main.rs:135:5 [INFO] [stdout] | [INFO] [stdout] 135 | drop(version); [INFO] [stdout] | ^^^^^-------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `usize` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: `#[warn(dropping_copy_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.29s [INFO] running `Command { std: "docker" "inspect" "f4ab1df2d499b041734df23f36e7c395c2ba486fb573aef3025dc4b1bb31e1cc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f4ab1df2d499b041734df23f36e7c395c2ba486fb573aef3025dc4b1bb31e1cc", kill_on_drop: false }` [INFO] [stdout] f4ab1df2d499b041734df23f36e7c395c2ba486fb573aef3025dc4b1bb31e1cc [INFO] checking codebam/chatserver-rust against try#80d5fe37e16a0befb4128414cb6a11d544788c0a for pr-121557 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodebam%2Fchatserver-rust" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/codebam/chatserver-rust on toolchain 80d5fe37e16a0befb4128414cb6a11d544788c0a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80d5fe37e16a0befb4128414cb6a11d544788c0a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/codebam/chatserver-rust [INFO] finished tweaking git repo https://github.com/codebam/chatserver-rust [INFO] tweaked toml for git repo https://github.com/codebam/chatserver-rust written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/codebam/chatserver-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" "+80d5fe37e16a0befb4128414cb6a11d544788c0a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+80d5fe37e16a0befb4128414cb6a11d544788c0a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 74f071909ea1c0a433a31a27c18e294391fea2f0387a31655d67c96659d9d6eb [INFO] running `Command { std: "docker" "start" "-a" "74f071909ea1c0a433a31a27c18e294391fea2f0387a31655d67c96659d9d6eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "74f071909ea1c0a433a31a27c18e294391fea2f0387a31655d67c96659d9d6eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "74f071909ea1c0a433a31a27c18e294391fea2f0387a31655d67c96659d9d6eb", kill_on_drop: false }` [INFO] [stdout] 74f071909ea1c0a433a31a27c18e294391fea2f0387a31655d67c96659d9d6eb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+80d5fe37e16a0befb4128414cb6a11d544788c0a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ae324e1113be2533e496799548fc017cf48312c40093a65a3c2cf36d25bb7057 [INFO] running `Command { std: "docker" "start" "-a" "ae324e1113be2533e496799548fc017cf48312c40093a65a3c2cf36d25bb7057", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.4 [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling getrandom v0.1.12 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking ppv-lite86 v0.2.5 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking futures-core-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling proc-macro-nested v0.1.3 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling typenum v1.11.2 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking futures-io-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling arrayvec v0.4.11 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Checking futures-sink-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking futures-channel-preview v0.3.0-alpha.18 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Checking c2-chacha v0.2.2 [INFO] [stderr] Checking byte-tools v0.3.1 [INFO] [stderr] Compiling ryu v1.0.0 [INFO] [stderr] Checking scopeguard v1.0.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling serde v1.0.101 [INFO] [stderr] Checking block-padding v0.1.5 [INFO] [stderr] Checking futures-core v0.3.1 [INFO] [stderr] Checking kv-log-macro v1.0.4 [INFO] [stderr] Checking async-task v1.0.0 [INFO] [stderr] Checking crossbeam-channel v0.3.9 [INFO] [stderr] Checking async-macros v1.0.0 [INFO] [stderr] Checking opaque-debug v0.2.3 [INFO] [stderr] Checking fake-simd v0.1.2 [INFO] [stderr] Checking futures-task v0.3.1 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Checking futures-channel v0.3.1 [INFO] [stdout] error[E0716]: temporary value dropped while borrowed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/async-task-1.0.0/src/raw.rs:123:26 [INFO] [stdout] | [INFO] [stdout] 123 | vtable: &TaskVTable { [INFO] [stdout] | __________________________-^ [INFO] [stdout] | | _________________________| [INFO] [stdout] | || [INFO] [stdout] 124 | || raw_waker: RawWakerVTable::new( [INFO] [stdout] 125 | || Self::clone_waker, [INFO] [stdout] 126 | || Self::wake, [INFO] [stdout] ... || [INFO] [stdout] 135 | || run: Self::run, [INFO] [stdout] 136 | || }, [INFO] [stdout] | || ^ [INFO] [stdout] | ||_________________| [INFO] [stdout] | |_________________creates a temporary value which is freed while still in use [INFO] [stdout] | this usage requires that borrow lasts for `'static` [INFO] [stdout] 137 | }); [INFO] [stdout] | - temporary value is freed at the end of this statement [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0716`. [INFO] [stdout] [INFO] [stderr] error: could not compile `async-task` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "ae324e1113be2533e496799548fc017cf48312c40093a65a3c2cf36d25bb7057", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ae324e1113be2533e496799548fc017cf48312c40093a65a3c2cf36d25bb7057", kill_on_drop: false }` [INFO] [stdout] ae324e1113be2533e496799548fc017cf48312c40093a65a3c2cf36d25bb7057