[INFO] fetching crate rincon_core 0.1.0... [INFO] checking rincon_core-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate rincon_core 0.1.0 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate rincon_core 0.1.0 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 rincon_core 0.1.0 [INFO] finished tweaking crates.io crate rincon_core 0.1.0 [INFO] tweaked toml for crates.io crate rincon_core 0.1.0 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 53 packages [INFO] [stderr] Adding aho-corasick v0.6.10 (latest: v1.1.3) [INFO] [stderr] Adding bitflags v0.9.1 (latest: v2.5.0) [INFO] [stderr] Adding futures v0.1.31 (latest: v0.3.30) [INFO] [stderr] Adding idna v0.1.5 (latest: v0.5.0) [INFO] [stderr] Adding itertools v0.7.11 (latest: v0.12.1) [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding percent-encoding v1.0.1 (latest: v2.3.1) [INFO] [stderr] Adding pulldown-cmark v0.1.2 (latest: v0.10.2) [INFO] [stderr] Adding quote v0.3.15 (latest: v1.0.35) [INFO] [stderr] Adding regex v0.2.11 (latest: v1.10.4) [INFO] [stderr] Adding regex-syntax v0.5.6 (latest: v0.8.3) [INFO] [stderr] Adding semver-parser v0.7.0 (latest: v0.10.2) [INFO] [stderr] Adding syn v0.11.11 (latest: v2.0.58) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding synstructure v0.12.6 (latest: v0.13.1) [INFO] [stderr] Adding thread_local v0.3.6 (latest: v1.1.8) [INFO] [stderr] Adding toml v0.4.10 (latest: v0.8.12) [INFO] [stderr] Adding ucd-util v0.1.10 (latest: v0.2.1) [INFO] [stderr] Adding unicode-xid v0.0.4 (latest: v0.2.4) [INFO] [stderr] Adding url v1.7.2 (latest: v2.5.0) [INFO] [stderr] Adding version-sync v0.5.0 (latest: v0.9.5) [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 bitflags v0.9.1 [INFO] [stderr] Downloaded version-sync v0.5.0 [INFO] [stderr] Downloaded pulldown-cmark v0.1.2 [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] 592c0e166d072f4feb9ad1f6b767b9af98b2122d4e35f409bb1fc3b2781c1de6 [INFO] running `Command { std: "docker" "start" "-a" "592c0e166d072f4feb9ad1f6b767b9af98b2122d4e35f409bb1fc3b2781c1de6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "592c0e166d072f4feb9ad1f6b767b9af98b2122d4e35f409bb1fc3b2781c1de6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "592c0e166d072f4feb9ad1f6b767b9af98b2122d4e35f409bb1fc3b2781c1de6", kill_on_drop: false }` [INFO] [stdout] 592c0e166d072f4feb9ad1f6b767b9af98b2122d4e35f409bb1fc3b2781c1de6 [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] a55f33cf695618baecd688ea13cea15abdd595d4e6efd647033de064dc106e9f [INFO] running `Command { std: "docker" "start" "-a" "a55f33cf695618baecd688ea13cea15abdd595d4e6efd647033de064dc106e9f", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling backtrace v0.3.71 [INFO] [stderr] Checking unicode-bidi v0.3.15 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking unicode-normalization v0.1.23 [INFO] [stderr] Checking gimli v0.28.1 [INFO] [stderr] Checking matches v0.1.10 [INFO] [stderr] Compiling unicode-xid v0.2.4 [INFO] [stderr] Checking miniz_oxide v0.7.2 [INFO] [stderr] Checking object v0.32.2 [INFO] [stderr] Compiling pulldown-cmark v0.1.2 [INFO] [stderr] Checking ucd-util v0.1.10 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Checking rustc-demangle v0.1.23 [INFO] [stderr] Checking unicode-xid v0.0.4 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Checking synom v0.11.3 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking aho-corasick v0.6.10 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking quote v0.3.15 [INFO] [stderr] Checking utf8-ranges v1.0.5 [INFO] [stderr] Checking bitflags v0.9.1 [INFO] [stderr] Checking either v1.10.0 [INFO] [stderr] Checking itertools v0.7.11 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking serde_json v1.0.115 [INFO] [stderr] Checking syn v0.11.11 [INFO] [stderr] Checking toml v0.4.10 [INFO] [stderr] Checking futures v0.1.31 [INFO] [stderr] Checking semver-parser v0.7.0 [INFO] [stderr] Checking addr2line v0.21.0 [INFO] [stderr] Checking version-sync v0.5.0 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking rincon_core v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `std` is imported redundantly [INFO] [stdout] --> src/api/method.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | use std; [INFO] [stdout] | ^^^ the item `std` is already imported by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ExactSizeIterator` is imported redundantly [INFO] [stdout] --> src/api/method.rs:20:17 [INFO] [stdout] | [INFO] [stdout] 20 | use std::iter::{ExactSizeIterator, FromIterator, Iterator}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `ExactSizeIterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> src/api/method.rs:20:50 [INFO] [stdout] | [INFO] [stdout] 20 | use std::iter::{ExactSizeIterator, FromIterator, Iterator}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/api/types/mod.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:43:1 [INFO] [stdout] | [INFO] [stdout] 43 | extern crate serde_json; [INFO] [stdout] | ------------------------ the item `serde_json` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `std` is imported redundantly [INFO] [stdout] --> src/api/method.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | use std; [INFO] [stdout] | ^^^ the item `std` is already imported by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ExactSizeIterator` is imported redundantly [INFO] [stdout] --> src/api/method.rs:20:17 [INFO] [stdout] | [INFO] [stdout] 20 | use std::iter::{ExactSizeIterator, FromIterator, Iterator}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `ExactSizeIterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> src/api/method.rs:20:50 [INFO] [stdout] | [INFO] [stdout] 20 | use std::iter::{ExactSizeIterator, FromIterator, Iterator}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Value` is imported redundantly [INFO] [stdout] --> src/api/query/tests.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use api::types::Value; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] 3 | use super::*; [INFO] [stdout] | -------- the item `Value` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/api/types/mod.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:43:1 [INFO] [stdout] | [INFO] [stdout] 43 | extern crate serde_json; [INFO] [stdout] | ------------------------ the item `serde_json` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/api/connector.rs:63:32 [INFO] [stdout] | [INFO] [stdout] 63 | pub type FutureResult = Box::Result, Error=Error>>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 63 | pub type FutureResult = Box::Result, Error=Error>>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/api/connector.rs:63:32 [INFO] [stdout] | [INFO] [stdout] 63 | pub type FutureResult = Box::Result, Error=Error>>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 63 | pub type FutureResult = Box::Result, Error=Error>>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/api/user_agent/mod.rs:28:27 [INFO] [stdout] | [INFO] [stdout] 28 | fn version(&self) -> &Version; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 28 | fn version(&self) -> &dyn Version; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/api/user_agent/mod.rs:28:27 [INFO] [stdout] | [INFO] [stdout] 28 | fn version(&self) -> &Version; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 28 | fn version(&self) -> &dyn Version; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/api/user_agent/mod.rs:103:27 [INFO] [stdout] | [INFO] [stdout] 103 | fn version(&self) -> &Version { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 103 | fn version(&self) -> &dyn Version { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/api/user_agent/mod.rs:103:27 [INFO] [stdout] | [INFO] [stdout] 103 | fn version(&self) -> &Version { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 103 | fn version(&self) -> &dyn Version { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.82s [INFO] running `Command { std: "docker" "inspect" "a55f33cf695618baecd688ea13cea15abdd595d4e6efd647033de064dc106e9f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a55f33cf695618baecd688ea13cea15abdd595d4e6efd647033de064dc106e9f", kill_on_drop: false }` [INFO] [stdout] a55f33cf695618baecd688ea13cea15abdd595d4e6efd647033de064dc106e9f