[INFO] fetching crate ringhopper 0.1.3... [INFO] checking ringhopper-0.1.3 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate ringhopper 0.1.3 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate ringhopper 0.1.3 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 ringhopper 0.1.3 [INFO] finished tweaking crates.io crate ringhopper 0.1.3 [INFO] tweaked toml for crates.io crate ringhopper 0.1.3 written to /workspace/builds/worker-2-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] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 40 packages [INFO] [stderr] Adding jpeg-decoder v0.2.6 (latest: v0.3.1) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding tiff v0.7.4 (latest: v0.9.1) [INFO] [stderr] Adding windows v0.43.0 (latest: v0.54.0) [INFO] [stderr] Adding windows_aarch64_gnullvm v0.42.2 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_msvc v0.42.2 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_gnu v0.42.2 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_msvc v0.42.2 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnu v0.42.2 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnullvm v0.42.2 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_msvc v0.42.2 (latest: v0.52.4) [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] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rat-in-a-tube v0.2.3 [INFO] [stderr] Downloaded texpresso v2.0.1 [INFO] [stderr] Downloaded rat-in-a-tube-definitions v0.2.3 [INFO] [stderr] Downloaded ringhopper-proc v0.1.3 [INFO] [stderr] Downloaded tiff v0.7.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 562a7d39cd788e0b61a3c4ed3da3d462f795fe5f2207198022070bdce2082669 [INFO] running `Command { std: "docker" "start" "-a" "562a7d39cd788e0b61a3c4ed3da3d462f795fe5f2207198022070bdce2082669", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "562a7d39cd788e0b61a3c4ed3da3d462f795fe5f2207198022070bdce2082669", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "562a7d39cd788e0b61a3c4ed3da3d462f795fe5f2207198022070bdce2082669", kill_on_drop: false }` [INFO] [stdout] 562a7d39cd788e0b61a3c4ed3da3d462f795fe5f2207198022070bdce2082669 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] f16ee81d68cab8a4be374c2f17ddb0980057bea19d2895a125ea5ef974da3cbb [INFO] running `Command { std: "docker" "start" "-a" "f16ee81d68cab8a4be374c2f17ddb0980057bea19d2895a125ea5ef974da3cbb", kill_on_drop: false }` [INFO] [stderr] Checking encoding_index_tests v0.1.4 [INFO] [stderr] Compiling serde_json v1.0.115 [INFO] [stderr] Compiling libm v0.2.8 [INFO] [stderr] Checking weezl v0.1.8 [INFO] [stderr] Checking jpeg-decoder v0.2.6 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking encoding-index-tradchinese v1.20141219.5 [INFO] [stderr] Checking encoding-index-singlebyte v1.20141219.5 [INFO] [stderr] Checking encoding-index-simpchinese v1.20141219.5 [INFO] [stderr] Checking encoding-index-japanese v1.20141219.5 [INFO] [stderr] Checking encoding-index-korean v1.20141219.5 [INFO] [stderr] Checking encoding v0.2.33 [INFO] [stderr] Checking tiff v0.7.4 [INFO] [stderr] Checking texpresso v2.0.1 [INFO] [stderr] Compiling rat-in-a-tube-definitions v0.2.3 [INFO] [stderr] Compiling ringhopper-proc v0.1.3 [INFO] [stderr] Checking rat-in-a-tube v0.2.3 [INFO] [stderr] Checking ringhopper v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `fmt` is imported redundantly [INFO] [stdout] --> src/types/tag/mod.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::fmt; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 6 | use crate::types::*; [INFO] [stdout] | --------------- the item `fmt` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/types/trig/mod.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::convert::From; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Point2D` is imported redundantly [INFO] [stdout] --> src/bitmap/postprocessing/mod.rs:1:75 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::types::{ColorARGBInt, log2_u16, ColorARGB, ColorRGB, Vector3D, Point2D, ColorRGBFn}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 2 | [INFO] [stdout] 3 | use super::*; [INFO] [stdout] | -------- the item `Point2D` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TagGroupFn` is imported redundantly [INFO] [stdout] --> src/engines/h1/tag_loading/serialize/mod.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 5 | use crate::types::*; [INFO] [stdout] | --------------- the item `TagGroupFn` is already imported here [INFO] [stdout] 6 | use crate::types::tag::TagGroupFn; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TagBlockFn` is imported redundantly [INFO] [stdout] --> src/engines/h1/tag_loading/serialize/mod.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 5 | use crate::types::*; [INFO] [stdout] | --------------- the item `TagBlockFn` is already imported here [INFO] [stdout] ... [INFO] [stdout] 8 | use crate::types::tag::TagBlockFn; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TagBlockFn` is imported redundantly [INFO] [stdout] --> src/engines/h1/definitions/mod.rs:10:25 [INFO] [stdout] | [INFO] [stdout] 8 | use crate::types::*; [INFO] [stdout] | --------------- the item `TagBlockFn` is already imported here [INFO] [stdout] 9 | use std::str::FromStr; [INFO] [stdout] 10 | use crate::types::tag::{TagBlockFn, TagField, TagGroupFn}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TagField` is imported redundantly [INFO] [stdout] --> src/engines/h1/definitions/mod.rs:10:37 [INFO] [stdout] | [INFO] [stdout] 8 | use crate::types::*; [INFO] [stdout] | --------------- the item `TagField` is already imported here [INFO] [stdout] 9 | use std::str::FromStr; [INFO] [stdout] 10 | use crate::types::tag::{TagBlockFn, TagField, TagGroupFn}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TagGroupFn` is imported redundantly [INFO] [stdout] --> src/engines/h1/definitions/mod.rs:10:47 [INFO] [stdout] | [INFO] [stdout] 8 | use crate::types::*; [INFO] [stdout] | --------------- the item `TagGroupFn` is already imported here [INFO] [stdout] 9 | use std::str::FromStr; [INFO] [stdout] 10 | use crate::types::tag::{TagBlockFn, TagField, TagGroupFn}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/engines/h1/definitions/mod.rs:12:29 [INFO] [stdout] | [INFO] [stdout] 12 | use std::convert::{TryFrom, From}; [INFO] [stdout] | ^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `fmt` is imported redundantly [INFO] [stdout] --> src/types/tag/mod.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::fmt; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 6 | use crate::types::*; [INFO] [stdout] | --------------- the item `fmt` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/types/trig/mod.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::convert::From; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Point2D` is imported redundantly [INFO] [stdout] --> src/bitmap/postprocessing/mod.rs:1:75 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::types::{ColorARGBInt, log2_u16, ColorARGB, ColorRGB, Vector3D, Point2D, ColorRGBFn}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 2 | [INFO] [stdout] 3 | use super::*; [INFO] [stdout] | -------- the item `Point2D` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TagGroupFn` is imported redundantly [INFO] [stdout] --> src/engines/h1/tag_loading/serialize/mod.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 5 | use crate::types::*; [INFO] [stdout] | --------------- the item `TagGroupFn` is already imported here [INFO] [stdout] 6 | use crate::types::tag::TagGroupFn; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TagBlockFn` is imported redundantly [INFO] [stdout] --> src/engines/h1/tag_loading/serialize/mod.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 5 | use crate::types::*; [INFO] [stdout] | --------------- the item `TagBlockFn` is already imported here [INFO] [stdout] ... [INFO] [stdout] 8 | use crate::types::tag::TagBlockFn; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TagBlockFn` is imported redundantly [INFO] [stdout] --> src/engines/h1/definitions/mod.rs:10:25 [INFO] [stdout] | [INFO] [stdout] 8 | use crate::types::*; [INFO] [stdout] | --------------- the item `TagBlockFn` is already imported here [INFO] [stdout] 9 | use std::str::FromStr; [INFO] [stdout] 10 | use crate::types::tag::{TagBlockFn, TagField, TagGroupFn}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TagField` is imported redundantly [INFO] [stdout] --> src/engines/h1/definitions/mod.rs:10:37 [INFO] [stdout] | [INFO] [stdout] 8 | use crate::types::*; [INFO] [stdout] | --------------- the item `TagField` is already imported here [INFO] [stdout] 9 | use std::str::FromStr; [INFO] [stdout] 10 | use crate::types::tag::{TagBlockFn, TagField, TagGroupFn}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TagGroupFn` is imported redundantly [INFO] [stdout] --> src/engines/h1/definitions/mod.rs:10:47 [INFO] [stdout] | [INFO] [stdout] 8 | use crate::types::*; [INFO] [stdout] | --------------- the item `TagGroupFn` is already imported here [INFO] [stdout] 9 | use std::str::FromStr; [INFO] [stdout] 10 | use crate::types::tag::{TagBlockFn, TagField, TagGroupFn}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/engines/h1/definitions/mod.rs:12:29 [INFO] [stdout] | [INFO] [stdout] 12 | use std::convert::{TryFrom, From}; [INFO] [stdout] | ^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/types/tag/tests.rs:106:9 [INFO] [stdout] | [INFO] [stdout] 106 | let mut vector_level_1_0 = match value_level_1_0.get_value() { [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/types/tag/tests.rs:123:9 [INFO] [stdout] | [INFO] [stdout] 123 | let mut vector_level_1_1 = match block_level_1_1.field_at_index_mut(0).field { [INFO] [stdout] | ----^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/types/tag/tests.rs:139:9 [INFO] [stdout] | [INFO] [stdout] 139 | let mut vector_level_2_0 = match value_level_2_0.get_value() { [INFO] [stdout] | ----^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.15s [INFO] running `Command { std: "docker" "inspect" "f16ee81d68cab8a4be374c2f17ddb0980057bea19d2895a125ea5ef974da3cbb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f16ee81d68cab8a4be374c2f17ddb0980057bea19d2895a125ea5ef974da3cbb", kill_on_drop: false }` [INFO] [stdout] f16ee81d68cab8a4be374c2f17ddb0980057bea19d2895a125ea5ef974da3cbb