[INFO] fetching crate crossfire 1.0.1... [INFO] checking crossfire-1.0.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate crossfire 1.0.1 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate crossfire 1.0.1 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate crossfire 1.0.1 [INFO] finished tweaking crates.io crate crossfire 1.0.1 [INFO] tweaked toml for crates.io crate crossfire 1.0.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 87 packages [INFO] [stderr] Adding atty v0.2.11 (latest: v0.2.14) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding getrandom v0.1.16 (latest: v0.2.12) [INFO] [stderr] Adding lazy_static v0.2.11 (latest: v1.4.0) [INFO] [stderr] Adding numtoa v0.1.0 (latest: v0.2.4) [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding rand v0.7.3 (latest: v0.8.5) [INFO] [stderr] Adding rand_chacha v0.2.2 (latest: v0.3.1) [INFO] [stderr] Adding rand_core v0.5.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_hc v0.2.0 (latest: v0.3.2) [INFO] [stderr] Adding redox_syscall v0.2.16 (latest: v0.5.1) [INFO] [stderr] Adding stderrlog v0.4.3 (latest: v0.6.0) [INFO] [stderr] Adding termion v1.5.6 (latest: v3.0.0) [INFO] [stderr] Adding thread_local v0.3.4 (latest: v1.1.8) [INFO] [stderr] Adding wasi v0.9.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding windows-core v0.52.0 (latest: v0.55.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded lazy_static v0.2.11 [INFO] [stderr] Downloaded stderrlog v0.4.3 [INFO] [stderr] Downloaded atty v0.2.11 [INFO] [stderr] Downloaded thread_local v0.3.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4116cf426e807cfc2ce16b06666230a1180e1fff9b7f7b8768381107a0e21e8b [INFO] running `Command { std: "docker" "start" "-a" "4116cf426e807cfc2ce16b06666230a1180e1fff9b7f7b8768381107a0e21e8b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4116cf426e807cfc2ce16b06666230a1180e1fff9b7f7b8768381107a0e21e8b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4116cf426e807cfc2ce16b06666230a1180e1fff9b7f7b8768381107a0e21e8b", kill_on_drop: false }` [INFO] [stdout] 4116cf426e807cfc2ce16b06666230a1180e1fff9b7f7b8768381107a0e21e8b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 57d9daea3423391d69ded7c6a28c196e2fc5c0f0c3a99e97b76ae30d46f8fefb [INFO] running `Command { std: "docker" "start" "-a" "57d9daea3423391d69ded7c6a28c196e2fc5c0f0c3a99e97b76ae30d46f8fefb", kill_on_drop: false }` [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Checking iana-time-zone v0.1.60 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking crossbeam-queue v0.3.11 [INFO] [stderr] Checking crossbeam-channel v0.5.12 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking tokio v1.37.0 [INFO] [stderr] Checking thread_local v0.3.4 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Checking crossbeam v0.8.4 [INFO] [stderr] Checking chrono v0.4.37 [INFO] [stderr] Checking stderrlog v0.4.3 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling async-trait v0.1.79 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking crossfire v1.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `RecvError` is imported redundantly [INFO] [stdout] --> src/channel/select.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::channel::*; [INFO] [stdout] | ----------------- the item `RecvError` is already imported here [INFO] [stdout] 2 | use crossbeam::channel::RecvError; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Context` is imported redundantly [INFO] [stdout] --> src/channel/select.rs:8:17 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::channel::*; [INFO] [stdout] | ----------------- the item `Context` is already imported here [INFO] [stdout] ... [INFO] [stdout] 8 | use std::task::{Context, Poll}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `RecvError` is imported redundantly [INFO] [stdout] --> src/channel/select.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::channel::*; [INFO] [stdout] | ----------------- the item `RecvError` is already imported here [INFO] [stdout] 2 | use crossbeam::channel::RecvError; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Context` is imported redundantly [INFO] [stdout] --> src/channel/select.rs:8:17 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::channel::*; [INFO] [stdout] | ----------------- the item `Context` is already imported here [INFO] [stdout] ... [INFO] [stdout] 8 | use std::task::{Context, Poll}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Ordering` is imported redundantly [INFO] [stdout] --> src/mpmc/bounded.rs:289:40 [INFO] [stdout] | [INFO] [stdout] 288 | use super::*; [INFO] [stdout] | -------- the item `Ordering` is already imported here [INFO] [stdout] 289 | use std::sync::atomic::{AtomicI32, Ordering}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Ordering` is imported redundantly [INFO] [stdout] --> src/mpmc/unbounded.rs:105:40 [INFO] [stdout] | [INFO] [stdout] 104 | use super::*; [INFO] [stdout] | -------- the item `Ordering` is already imported here [INFO] [stdout] 105 | use std::sync::atomic::{AtomicI32, Ordering}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Ordering` is imported redundantly [INFO] [stdout] --> src/mpsc/bounded.rs:276:40 [INFO] [stdout] | [INFO] [stdout] 275 | use super::*; [INFO] [stdout] | -------- the item `Ordering` is already imported here [INFO] [stdout] 276 | use std::sync::atomic::{AtomicI32, Ordering}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Ordering` is imported redundantly [INFO] [stdout] --> src/mpsc/unbounded.rs:81:40 [INFO] [stdout] | [INFO] [stdout] 80 | use super::*; [INFO] [stdout] | -------- the item `Ordering` is already imported here [INFO] [stdout] 81 | use std::sync::atomic::{AtomicI32, Ordering}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/channel/select.rs:93:9 [INFO] [stdout] | [INFO] [stdout] 93 | drop($rx); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 241 | try_recv_poll!(_self, i, rx, ctx, wakers); [INFO] [stdout] | ----------------------------------------- [INFO] [stdout] | | | [INFO] [stdout] | | argument has type `&Box>` [INFO] [stdout] | in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] = note: this warning originates in the macro `try_recv_poll` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/channel/select.rs:93:9 [INFO] [stdout] | [INFO] [stdout] 93 | drop($rx); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 257 | try_recv_poll!(_self, last_index, rx, ctx, wakers); [INFO] [stdout] | -------------------------------------------------- [INFO] [stdout] | | | [INFO] [stdout] | | argument has type `&Box>` [INFO] [stdout] | in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: this warning originates in the macro `try_recv_poll` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/channel/select.rs:93:9 [INFO] [stdout] | [INFO] [stdout] 93 | drop($rx); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 273 | try_recv_poll!(_self, i, rx, ctx, wakers); [INFO] [stdout] | ----------------------------------------- [INFO] [stdout] | | | [INFO] [stdout] | | argument has type `&Box>` [INFO] [stdout] | in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: this warning originates in the macro `try_recv_poll` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/channel/select.rs:93:9 [INFO] [stdout] | [INFO] [stdout] 93 | drop($rx); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 241 | try_recv_poll!(_self, i, rx, ctx, wakers); [INFO] [stdout] | ----------------------------------------- [INFO] [stdout] | | | [INFO] [stdout] | | argument has type `&Box>` [INFO] [stdout] | in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] = note: this warning originates in the macro `try_recv_poll` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/channel/select.rs:93:9 [INFO] [stdout] | [INFO] [stdout] 93 | drop($rx); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 257 | try_recv_poll!(_self, last_index, rx, ctx, wakers); [INFO] [stdout] | -------------------------------------------------- [INFO] [stdout] | | | [INFO] [stdout] | | argument has type `&Box>` [INFO] [stdout] | in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: this warning originates in the macro `try_recv_poll` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/channel/select.rs:93:9 [INFO] [stdout] | [INFO] [stdout] 93 | drop($rx); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 273 | try_recv_poll!(_self, i, rx, ctx, wakers); [INFO] [stdout] | ----------------------------------------- [INFO] [stdout] | | | [INFO] [stdout] | | argument has type `&Box>` [INFO] [stdout] | in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: this warning originates in the macro `try_recv_poll` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/mpmc/bounded.rs:395:21 [INFO] [stdout] | [INFO] [stdout] 395 | tx_done1.send(()).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 395 | let _ = tx_done1.send(()).await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/mpmc/bounded.rs:402:21 [INFO] [stdout] | [INFO] [stdout] 402 | tx_done2.send(()).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 402 | let _ = tx_done2.send(()).await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.33s [INFO] running `Command { std: "docker" "inspect" "57d9daea3423391d69ded7c6a28c196e2fc5c0f0c3a99e97b76ae30d46f8fefb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "57d9daea3423391d69ded7c6a28c196e2fc5c0f0c3a99e97b76ae30d46f8fefb", kill_on_drop: false }` [INFO] [stdout] 57d9daea3423391d69ded7c6a28c196e2fc5c0f0c3a99e97b76ae30d46f8fefb