[INFO] fetching crate kwap 0.10.0... [INFO] checking kwap-0.10.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate kwap 0.10.0 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate kwap 0.10.0 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 kwap 0.10.0 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate kwap 0.10.0 [INFO] tweaked toml for crates.io crate kwap 0.10.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate crates.io crate kwap 0.10.0 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded syn v1.0.96 [INFO] [stderr] Downloaded crypto-common v0.1.3 [INFO] [stderr] Downloaded blake2 v0.10.4 [INFO] [stderr] Downloaded no-std-net v0.6.0 [INFO] [stderr] Downloaded simple_logger v2.1.0 [INFO] [stderr] Downloaded kwap-common v0.6.4 [INFO] [stderr] Downloaded kwap-msg v0.5.1 [INFO] [stderr] Downloaded kwap-macros v0.1.7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] cad116d63fe539dc2e5f73ca4440be7da2ca9bd4d4d3b95fd0acb3df5e23ba59 [INFO] running `Command { std: "docker" "start" "-a" "cad116d63fe539dc2e5f73ca4440be7da2ca9bd4d4d3b95fd0acb3df5e23ba59", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cad116d63fe539dc2e5f73ca4440be7da2ca9bd4d4d3b95fd0acb3df5e23ba59", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cad116d63fe539dc2e5f73ca4440be7da2ca9bd4d4d3b95fd0acb3df5e23ba59", kill_on_drop: false }` [INFO] [stdout] cad116d63fe539dc2e5f73ca4440be7da2ca9bd4d4d3b95fd0acb3df5e23ba59 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] ed92f81d3d6a4a2b05a79e5213cce93e650f502977ef1b37ebef8df50aa1b7f1 [INFO] running `Command { std: "docker" "start" "-a" "ed92f81d3d6a4a2b05a79e5213cce93e650f502977ef1b37ebef8df50aa1b7f1", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling proc-macro2 v1.0.39 [INFO] [stderr] Compiling typenum v1.15.0 [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling unicode-ident v1.0.1 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling syn v1.0.96 [INFO] [stderr] Compiling cc v1.0.73 [INFO] [stderr] Compiling pkg-config v0.3.25 [INFO] [stderr] Checking subtle v2.4.1 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling regex-syntax v0.6.26 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Compiling openssl v0.10.40 [INFO] [stderr] Checking tinyvec v1.6.0 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking once_cell v1.12.0 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Checking num_threads v0.1.6 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Checking itoa v1.0.2 [INFO] [stderr] Compiling time-macros v0.2.4 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking no-std-net v0.6.0 [INFO] [stderr] Checking kwap-common v0.6.4 [INFO] [stderr] Checking nb v1.0.0 [INFO] [stderr] Compiling generic-array v0.14.5 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling num-iter v0.1.43 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Compiling openssl-sys v0.9.74 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking colored v2.0.0 [INFO] [stderr] Checking num-complex v0.3.1 [INFO] [stderr] Checking time v0.3.9 [INFO] [stderr] Compiling regex v1.5.6 [INFO] [stderr] Checking crypto-common v0.1.3 [INFO] [stderr] Checking block-buffer v0.10.2 [INFO] [stderr] Checking num v0.3.1 [INFO] [stderr] Checking embedded-time v0.12.1 [INFO] [stderr] Checking digest v0.10.3 [INFO] [stderr] Checking simple_logger v2.1.0 [INFO] [stderr] Checking blake2 v0.10.4 [INFO] [stderr] Compiling openssl-macros v0.1.0 [INFO] [stderr] Compiling kwap-macros v0.1.7 [INFO] [stderr] Checking kwap-msg v0.5.1 [INFO] [stderr] Checking kwap v0.10.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Type` is imported redundantly [INFO] [stdout] --> src/blocking/server.rs:471:29 [INFO] [stdout] | [INFO] [stdout] 471 | use kwap_msg::{Id, Token, Type}; [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 474 | use super::*; [INFO] [stdout] | -------- the item `Type` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/retry.rs:163:53 [INFO] [stdout] | [INFO] [stdout] 163 | max: Milliseconds(max), } => (min..=max), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 163 - max: Milliseconds(max), } => (min..=max), [INFO] [stdout] 163 + max: Milliseconds(max), } => min..=max, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/retry.rs:166:64 [INFO] [stdout] | [INFO] [stdout] 166 | ... init_max: Milliseconds(max), } => (min..=max), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 166 - init_max: Milliseconds(max), } => (min..=max), [INFO] [stdout] 166 + init_max: Milliseconds(max), } => min..=max, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `String` is imported redundantly [INFO] [stdout] --> src/resp/mod.rs:4:40 [INFO] [stdout] | [INFO] [stdout] 4 | use std_alloc::string::{FromUtf8Error, String}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `String` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryIntoBytes` is imported redundantly [INFO] [stdout] --> src/core/mod.rs:585:7 [INFO] [stdout] | [INFO] [stdout] 585 | use kwap_msg::TryIntoBytes; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 589 | use super::*; [INFO] [stdout] | -------- the item `TryIntoBytes` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ArrayVec` is imported redundantly [INFO] [stdout] --> src/core/mod.rs:587:7 [INFO] [stdout] | [INFO] [stdout] 587 | use tinyvec::ArrayVec; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] 588 | [INFO] [stdout] 589 | use super::*; [INFO] [stdout] | -------- the item `ArrayVec` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `platform` is imported redundantly [INFO] [stdout] --> src/core/mod.rs:590:7 [INFO] [stdout] | [INFO] [stdout] 589 | use super::*; [INFO] [stdout] | -------- the item `platform` is already imported here [INFO] [stdout] 590 | use crate::platform; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Req` is imported redundantly [INFO] [stdout] --> src/core/mod.rs:592:7 [INFO] [stdout] | [INFO] [stdout] 589 | use super::*; [INFO] [stdout] | -------- the item `Req` is already imported here [INFO] [stdout] ... [INFO] [stdout] 592 | use crate::req::Req; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Vec` is imported redundantly [INFO] [stdout] --> src/platform.rs:8:40 [INFO] [stdout] | [INFO] [stdout] 8 | use std_alloc::{collections::BTreeMap, vec::Vec}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Vec` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/retry.rs:163:53 [INFO] [stdout] | [INFO] [stdout] 163 | max: Milliseconds(max), } => (min..=max), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 163 - max: Milliseconds(max), } => (min..=max), [INFO] [stdout] 163 + max: Milliseconds(max), } => min..=max, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/retry.rs:166:64 [INFO] [stdout] | [INFO] [stdout] 166 | ... init_max: Milliseconds(max), } => (min..=max), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 166 - init_max: Milliseconds(max), } => (min..=max), [INFO] [stdout] 166 + init_max: Milliseconds(max), } => min..=max, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `String` is imported redundantly [INFO] [stdout] --> src/resp/mod.rs:4:40 [INFO] [stdout] | [INFO] [stdout] 4 | use std_alloc::string::{FromUtf8Error, String}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `String` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Vec` is imported redundantly [INFO] [stdout] --> src/platform.rs:8:40 [INFO] [stdout] | [INFO] [stdout] 8 | use std_alloc::{collections::BTreeMap, vec::Vec}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Vec` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing [INFO] [stdout] --> src/std/net/secure.rs:167:26 [INFO] [stdout] | [INFO] [stdout] 167 | let sock_ref = sock.deref(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the type `std::net::UdpSocket` does not implement `Deref`, so calling `deref` on `&std::net::UdpSocket` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] 167 - let sock_ref = sock.deref(); [INFO] [stdout] 167 + let sock_ref = sock; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing [INFO] [stdout] --> src/std/net/secure.rs:167:26 [INFO] [stdout] | [INFO] [stdout] 167 | let sock_ref = sock.deref(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the type `std::net::UdpSocket` does not implement `Deref`, so calling `deref` on `&std::net::UdpSocket` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] 167 - let sock_ref = sock.deref(); [INFO] [stdout] 167 + let sock_ref = sock; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.88s [INFO] running `Command { std: "docker" "inspect" "ed92f81d3d6a4a2b05a79e5213cce93e650f502977ef1b37ebef8df50aa1b7f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ed92f81d3d6a4a2b05a79e5213cce93e650f502977ef1b37ebef8df50aa1b7f1", kill_on_drop: false }` [INFO] [stdout] ed92f81d3d6a4a2b05a79e5213cce93e650f502977ef1b37ebef8df50aa1b7f1