[INFO] cloning repository https://github.com/twosigma/criu-image-streamer [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/twosigma/criu-image-streamer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwosigma%2Fcriu-image-streamer", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwosigma%2Fcriu-image-streamer'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b75b6c1c366f97bac9c72d87ff0c65bd072fb6d5 [INFO] checking twosigma/criu-image-streamer against try#4949cf2f817beadb9a248d423b6d55d6d2398ffe for pr-142681 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwosigma%2Fcriu-image-streamer" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/twosigma/criu-image-streamer [INFO] finished tweaking git repo https://github.com/twosigma/criu-image-streamer [INFO] tweaked toml for git repo https://github.com/twosigma/criu-image-streamer written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/twosigma/criu-image-streamer on toolchain 4949cf2f817beadb9a248d423b6d55d6d2398ffe [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4949cf2f817beadb9a248d423b6d55d6d2398ffe" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/twosigma/criu-image-streamer 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" "+4949cf2f817beadb9a248d423b6d55d6d2398ffe" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded prost-derive v0.9.0 [INFO] [stderr] Downloaded anyhow v1.0.43 [INFO] [stderr] Downloaded procinfo v0.4.2 [INFO] [stderr] Downloaded serde_json v1.0.67 [INFO] [stderr] Downloaded prost v0.9.0 [INFO] [stderr] Downloaded prost-types v0.9.0 [INFO] [stderr] Downloaded which v4.2.2 [INFO] [stderr] Downloaded nom v2.2.1 [INFO] [stderr] Downloaded libc v0.2.101 [INFO] [stderr] Downloaded syn v1.0.76 [INFO] [stderr] Downloaded prost-build v0.9.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+4949cf2f817beadb9a248d423b6d55d6d2398ffe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 27b5aa2840c05de07ccceb77cf53f4c6f7b04985c7c0bc2355ded10938a7c89e [INFO] running `Command { std: "docker" "start" "-a" "27b5aa2840c05de07ccceb77cf53f4c6f7b04985c7c0bc2355ded10938a7c89e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "27b5aa2840c05de07ccceb77cf53f4c6f7b04985c7c0bc2355ded10938a7c89e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "27b5aa2840c05de07ccceb77cf53f4c6f7b04985c7c0bc2355ded10938a7c89e", kill_on_drop: false }` [INFO] [stdout] 27b5aa2840c05de07ccceb77cf53f4c6f7b04985c7c0bc2355ded10938a7c89e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+4949cf2f817beadb9a248d423b6d55d6d2398ffe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4bbf491bf0a3f51b63a7f6d4ea2f6408527be1a0c424a633f656b1180b1d5c05 [INFO] running `Command { std: "docker" "start" "-a" "4bbf491bf0a3f51b63a7f6d4ea2f6408527be1a0c424a633f656b1180b1d5c05", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.29 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling libc v0.2.101 [INFO] [stderr] Compiling syn v1.0.76 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling anyhow v1.0.43 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling itertools v0.10.1 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling unicode-segmentation v1.8.0 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling bytes v1.1.0 [INFO] [stderr] Compiling hashbrown v0.11.2 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Compiling remove_dir_all v0.5.3 [INFO] [stderr] Compiling fixedbitset v0.4.0 [INFO] [stderr] Compiling getrandom v0.2.3 [INFO] [stderr] Compiling which v4.2.2 [INFO] [stderr] Compiling petgraph v0.6.0 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Compiling multimap v0.8.3 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Compiling prost-build v0.9.0 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling serde_json v1.0.67 [INFO] [stderr] Compiling nix v0.17.0 [INFO] [stderr] Compiling rand v0.8.4 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Compiling tempfile v3.2.0 [INFO] [stderr] Compiling procinfo v0.4.2 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Checking slab v0.4.4 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking nom v2.2.1 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling prost-derive v0.9.0 [INFO] [stderr] Compiling structopt-derive v0.4.16 [INFO] [stderr] Checking structopt v0.3.23 [INFO] [stderr] Compiling prost v0.9.0 [INFO] [stderr] Compiling prost-types v0.9.0 [INFO] [stderr] Compiling criu-image-streamer v1.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/image_store/mem.rs:167:19 [INFO] [stdout] | [INFO] [stdout] 167 | pub fn reader(&self) -> FileReader { [INFO] [stdout] | ^^^^^ ---------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 167 | pub fn reader(&self) -> FileReader<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/image_store/mem.rs:167:19 [INFO] [stdout] | [INFO] [stdout] 167 | pub fn reader(&self) -> FileReader { [INFO] [stdout] | ^^^^^ ---------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 167 | pub fn reader(&self) -> FileReader<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this function depends on never type fallback being `()` [INFO] [stdout] --> tests/tests.rs:417:9 [INFO] [stdout] | [INFO] [stdout] 417 | fn after_finish_checkpoint(&mut self, checkpoint_stats: &Stats) -> Result<()> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in Rust 2024 and in a future release in all editions! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = help: specify the types explicitly [INFO] [stdout] note: in edition 2024, the requirement `!: FromIterator<()>` will fail [INFO] [stdout] --> tests/tests.rs:424:28 [INFO] [stdout] | [INFO] [stdout] 424 | .collect::>()?; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] = note: `#[warn(dependency_on_unit_never_type_fallback)]` on by default [INFO] [stdout] help: use `()` annotations to avoid fallback changes [INFO] [stdout] | [INFO] [stdout] 424 - .collect::>()?; [INFO] [stdout] 424 + .collect::>()?; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 51.48s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criu-image-streamer v1.0.0 (/opt/rustwide/workdir), nom v2.2.1 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "4bbf491bf0a3f51b63a7f6d4ea2f6408527be1a0c424a633f656b1180b1d5c05", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4bbf491bf0a3f51b63a7f6d4ea2f6408527be1a0c424a633f656b1180b1d5c05", kill_on_drop: false }` [INFO] [stdout] 4bbf491bf0a3f51b63a7f6d4ea2f6408527be1a0c424a633f656b1180b1d5c05