[INFO] fetching crate IMAPServer 0.2.0... [INFO] checking IMAPServer-0.2.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate IMAPServer 0.2.0 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate IMAPServer 0.2.0 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate IMAPServer 0.2.0 [INFO] finished tweaking crates.io crate IMAPServer 0.2.0 [INFO] tweaked toml for crates.io crate IMAPServer 0.2.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate crates.io crate IMAPServer 0.2.0 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 40eba49ec2fa8556accd3e90d53dec6d116341525252d2659848578d6b451410 [INFO] running `Command { std: "docker" "start" "-a" "40eba49ec2fa8556accd3e90d53dec6d116341525252d2659848578d6b451410", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "40eba49ec2fa8556accd3e90d53dec6d116341525252d2659848578d6b451410", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "40eba49ec2fa8556accd3e90d53dec6d116341525252d2659848578d6b451410", kill_on_drop: false }` [INFO] [stdout] 40eba49ec2fa8556accd3e90d53dec6d116341525252d2659848578d6b451410 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dtail_expr_drop_order" "-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 31eca6fd167d705b6a72d2299875bc33921d2418e83173fe7ee88e948372f422 [INFO] running `Command { std: "docker" "start" "-a" "31eca6fd167d705b6a72d2299875bc33921d2418e83173fe7ee88e948372f422", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling syn v1.0.11 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Compiling pkg-config v0.3.17 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling failure_derive v0.1.6 [INFO] [stderr] Compiling glob v0.2.11 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling rustc-demangle v0.1.16 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling unicode-width v0.1.7 [INFO] [stderr] Compiling quick-error v1.2.2 [INFO] [stderr] Compiling regex-syntax v0.6.12 [INFO] [stderr] Checking futures-core v0.3.1 [INFO] [stderr] Compiling humantime v1.3.0 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling libsqlite3-sys v0.16.0 [INFO] [stderr] Compiling clang-sys v0.26.4 [INFO] [stderr] Compiling scopeguard v0.3.3 [INFO] [stderr] Compiling proc-macro-nested v0.1.3 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Checking futures v0.1.29 [INFO] [stderr] Compiling getrandom v0.1.13 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Checking futures-sink v0.3.1 [INFO] [stderr] Compiling bindgen v0.48.1 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling termcolor v1.0.5 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling aho-corasick v0.7.6 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling hashbrown v0.1.8 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Compiling jobserver v0.1.17 [INFO] [stderr] Compiling num_cpus v1.11.1 [INFO] [stderr] Compiling atty v0.2.13 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling num-traits v0.2.10 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling peeking_take_while v0.1.2 [INFO] [stderr] Compiling remove_dir_all v0.5.2 [INFO] [stderr] Checking mio v0.6.21 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Compiling cc v1.0.48 [INFO] [stderr] Checking futures-channel v0.3.1 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling encoding_rs v0.8.20 [INFO] [stderr] Checking futures-io v0.3.1 [INFO] [stderr] Checking pin-utils v0.1.0-alpha.4 [INFO] [stderr] Checking futures-task v0.3.1 [INFO] [stderr] Compiling serde v1.0.103 [INFO] [stderr] Checking arc-swap v0.4.4 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Compiling cexpr v0.3.6 [INFO] [stderr] Compiling tempdir v0.3.7 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking signal-hook-registry v1.2.0 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking pin-project-lite v0.1.1 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Checking c2-chacha v0.2.3 [INFO] [stderr] Checking linked-hash-map v0.5.2 [INFO] [stderr] Checking bytes v0.5.3 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking yaml-rust v0.4.3 [INFO] [stderr] Checking dtoa v0.4.4 [INFO] [stderr] Checking scopeguard v1.0.0 [INFO] [stderr] Checking colored v1.9.0 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking xdg v2.2.0 [INFO] [stderr] Checking rand v0.7.2 [INFO] [stderr] Checking quoted_printable v0.4.1 [INFO] [stderr] Checking dotenv v0.15.0 [INFO] [stderr] Checking app_dirs v1.2.1 [INFO] [stderr] Checking base64 v0.11.0 [INFO] [stderr] Compiling backtrace-sys v0.1.32 [INFO] [stderr] Compiling libloading v0.5.2 [INFO] [stderr] Checking chrono v0.4.10 [INFO] [stderr] Compiling regex v1.3.1 [INFO] [stderr] Compiling backtrace v0.3.40 [INFO] [stderr] Checking fern v0.5.9 [INFO] [stderr] Checking charset v0.1.2 [INFO] [stderr] Checking mailparse v0.10.1 [INFO] [stderr] Compiling env_logger v0.6.2 [INFO] [stderr] Compiling synstructure v0.12.3 [INFO] [stderr] Compiling diesel_derives v1.4.1 [INFO] [stderr] Compiling proc-macro-hack v0.5.11 [INFO] [stderr] Compiling tokio-macros v0.2.0 [INFO] [stderr] Compiling serde_derive v1.0.103 [INFO] [stderr] Checking tokio v0.2.4 [INFO] [stderr] Compiling failure v0.1.6 [INFO] [stderr] Compiling futures-macro v0.3.1 [INFO] [stderr] Compiling which v2.0.1 [INFO] [stderr] Checking futures-util v0.3.1 [INFO] [stderr] Compiling diesel v1.4.3 [INFO] [stderr] Checking tokio-util v0.2.0 [INFO] [stderr] Checking futures-executor v0.3.1 [INFO] [stderr] Checking futures v0.3.1 [INFO] [stderr] Compiling argonautica v0.2.0 [INFO] [stderr] Checking serde_yaml v0.8.11 [INFO] [stderr] Checking migrations_internals v1.4.0 [INFO] [stderr] Compiling migrations_macros v1.4.1 [INFO] [stderr] Checking diesel_migrations v1.4.0 [INFO] [stderr] Checking IMAPServer-shared v0.1.0 [INFO] [stderr] Checking IMAPServer v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `BufWriter` and `Write` [INFO] [stdout] --> src/main.rs:5:15 [INFO] [stdout] | [INFO] [stdout] 5 | use std::io::{BufWriter, Write}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BufWriter` and `Write` [INFO] [stdout] --> src/main.rs:5:15 [INFO] [stdout] | [INFO] [stdout] 5 | use std::io::{BufWriter, Write}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/commands/authenticate.rs:145:13 [INFO] [stdout] | [INFO] [stdout] 145 | let mut peer = state.peers.get_mut(&addr).expect("unable to find peer"); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/commands/authenticate.rs:145:13 [INFO] [stdout] | [INFO] [stdout] 145 | let mut peer = state.peers.get_mut(&addr).expect("unable to find peer"); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/config.rs:3:28 [INFO] [stdout] | [INFO] [stdout] 3 | #[derive(Debug, PartialEq, Serialize, Deserialize)] [INFO] [stdout] | ^-------- [INFO] [stdout] | | [INFO] [stdout] | `Serialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_SERIALIZE_FOR_Config` [INFO] [stdout] 4 | struct Config { [INFO] [stdout] | ------ `Config` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Serialize` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Serialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue [INFO] [stdout] = note: `#[warn(non_local_definitions)]` on by default [INFO] [stdout] = note: this warning originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/config.rs:3:39 [INFO] [stdout] | [INFO] [stdout] 3 | #[derive(Debug, PartialEq, Serialize, Deserialize)] [INFO] [stdout] | ^---------- [INFO] [stdout] | | [INFO] [stdout] | `Deserialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_Config` [INFO] [stdout] 4 | struct Config { [INFO] [stdout] | ------ `Config` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Deserialize` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue [INFO] [stdout] = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/config.rs:3:28 [INFO] [stdout] | [INFO] [stdout] 3 | #[derive(Debug, PartialEq, Serialize, Deserialize)] [INFO] [stdout] | ^-------- [INFO] [stdout] | | [INFO] [stdout] | `Serialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_SERIALIZE_FOR_Config` [INFO] [stdout] 4 | struct Config { [INFO] [stdout] | ------ `Config` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Serialize` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Serialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue [INFO] [stdout] = note: `#[warn(non_local_definitions)]` on by default [INFO] [stdout] = note: this warning originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/config.rs:3:39 [INFO] [stdout] | [INFO] [stdout] 3 | #[derive(Debug, PartialEq, Serialize, Deserialize)] [INFO] [stdout] | ^---------- [INFO] [stdout] | | [INFO] [stdout] | `Deserialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_Config` [INFO] [stdout] 4 | struct Config { [INFO] [stdout] | ------ `Config` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Deserialize` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue [INFO] [stdout] = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.10s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: cexpr v0.3.6, nom v4.2.3 [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" "31eca6fd167d705b6a72d2299875bc33921d2418e83173fe7ee88e948372f422", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "31eca6fd167d705b6a72d2299875bc33921d2418e83173fe7ee88e948372f422", kill_on_drop: false }` [INFO] [stdout] 31eca6fd167d705b6a72d2299875bc33921d2418e83173fe7ee88e948372f422