[INFO] fetching crate winter-fri 0.7.2... [INFO] checking winter-fri-0.7.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate winter-fri 0.7.2 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate winter-fri 0.7.2 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 winter-fri 0.7.2 [INFO] finished tweaking crates.io crate winter-fri 0.7.2 [INFO] tweaked toml for crates.io crate winter-fri 0.7.2 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] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 95 packages [INFO] [stderr] Adding anes v0.1.6 (latest: v0.2.0) [INFO] [stderr] Adding generic-array v0.14.7 (latest: v1.0.0) [INFO] [stderr] Adding itertools v0.10.5 (latest: v0.12.1) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding winter-crypto v0.7.0 (latest: v0.8.3) [INFO] [stderr] Adding winter-math v0.7.1 (latest: v0.8.4) [INFO] [stderr] Adding winter-rand-utils v0.7.0 (latest: v0.8.3) [INFO] [stderr] Adding winter-utils v0.7.4 (latest: v0.8.4) [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] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded winter-rand-utils v0.7.0 [INFO] [stderr] Downloaded winter-utils v0.7.4 [INFO] [stderr] Downloaded winter-math v0.7.1 [INFO] [stderr] Downloaded winter-crypto v0.7.0 [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] f6cfff17d602707bf185067eba87955fad4d4e36fb665adcff1098d89580f0f7 [INFO] running `Command { std: "docker" "start" "-a" "f6cfff17d602707bf185067eba87955fad4d4e36fb665adcff1098d89580f0f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f6cfff17d602707bf185067eba87955fad4d4e36fb665adcff1098d89580f0f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f6cfff17d602707bf185067eba87955fad4d4e36fb665adcff1098d89580f0f7", kill_on_drop: false }` [INFO] [stdout] f6cfff17d602707bf185067eba87955fad4d4e36fb665adcff1098d89580f0f7 [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] bc13a5d658c0ee90ea9ee9d926364d3eb52a02970dca105d9416fec0026bfa35 [INFO] running `Command { std: "docker" "start" "-a" "bc13a5d658c0ee90ea9ee9d926364d3eb52a02970dca105d9416fec0026bfa35", kill_on_drop: false }` [INFO] [stderr] Checking winter-utils v0.7.4 [INFO] [stderr] Compiling blake3 v1.5.1 [INFO] [stderr] Checking sha3 v0.10.8 [INFO] [stderr] Checking winter-math v0.7.1 [INFO] [stderr] Checking winter-rand-utils v0.7.0 [INFO] [stderr] Checking winter-crypto v0.7.0 [INFO] [stderr] Checking winter-fri v0.7.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Vec` is imported redundantly [INFO] [stdout] --> src/folding/mod.rs:18:13 [INFO] [stdout] | [INFO] [stdout] 18 | use utils::{collections::Vec, iter_mut, uninit_vector}; [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] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Vec` is imported redundantly [INFO] [stdout] --> src/prover/mod.rs:15:13 [INFO] [stdout] | [INFO] [stdout] 15 | use utils::{collections::Vec, flatten_vector_elements, group_slice_elements, transpose_slice}; [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: the item `Vec` is imported redundantly [INFO] [stdout] --> src/prover/channel.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use utils::collections::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: the item `Vec` is imported redundantly [INFO] [stdout] --> src/prover/tests.rs:13:13 [INFO] [stdout] | [INFO] [stdout] 13 | use utils::{collections::Vec, Deserializable, Serializable, SliceReader}; [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: the item `TryInto` is imported redundantly [INFO] [stdout] --> src/verifier/mod.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 9 | use core::{convert::TryInto, marker::PhantomData, mem}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryInto` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Vec` is imported redundantly [INFO] [stdout] --> src/verifier/mod.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use utils::collections::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: the item `Vec` is imported redundantly [INFO] [stdout] --> src/verifier/channel.rs:9:13 [INFO] [stdout] | [INFO] [stdout] 9 | use utils::{collections::Vec, group_vector_elements, DeserializationError}; [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: the item `Vec` is imported redundantly [INFO] [stdout] --> src/proof.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | collections::Vec, string::ToString, ByteReader, ByteWriter, Deserializable, [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: the item `ToString` is imported redundantly [INFO] [stdout] --> src/proof.rs:9:23 [INFO] [stdout] | [INFO] [stdout] 9 | collections::Vec, string::ToString, ByteReader, ByteWriter, Deserializable, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `ToString` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Vec` is imported redundantly [INFO] [stdout] --> src/utils.rs:8:13 [INFO] [stdout] | [INFO] [stdout] 8 | use utils::{collections::Vec, iter_mut, uninit_vector}; [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: the item `Vec` is imported redundantly [INFO] [stdout] --> src/folding/mod.rs:18:13 [INFO] [stdout] | [INFO] [stdout] 18 | use utils::{collections::Vec, iter_mut, uninit_vector}; [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] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Vec` is imported redundantly [INFO] [stdout] --> src/prover/mod.rs:15:13 [INFO] [stdout] | [INFO] [stdout] 15 | use utils::{collections::Vec, flatten_vector_elements, group_slice_elements, transpose_slice}; [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: the item `Vec` is imported redundantly [INFO] [stdout] --> src/prover/channel.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use utils::collections::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: the item `TryInto` is imported redundantly [INFO] [stdout] --> src/verifier/mod.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 9 | use core::{convert::TryInto, marker::PhantomData, mem}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryInto` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Vec` is imported redundantly [INFO] [stdout] --> src/verifier/mod.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use utils::collections::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: the item `Vec` is imported redundantly [INFO] [stdout] --> src/verifier/channel.rs:9:13 [INFO] [stdout] | [INFO] [stdout] 9 | use utils::{collections::Vec, group_vector_elements, DeserializationError}; [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: the item `Vec` is imported redundantly [INFO] [stdout] --> src/proof.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | collections::Vec, string::ToString, ByteReader, ByteWriter, Deserializable, [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: the item `ToString` is imported redundantly [INFO] [stdout] --> src/proof.rs:9:23 [INFO] [stdout] | [INFO] [stdout] 9 | collections::Vec, string::ToString, ByteReader, ByteWriter, Deserializable, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `ToString` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Vec` is imported redundantly [INFO] [stdout] --> src/utils.rs:8:13 [INFO] [stdout] | [INFO] [stdout] 8 | use utils::{collections::Vec, iter_mut, uninit_vector}; [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: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.65s [INFO] running `Command { std: "docker" "inspect" "bc13a5d658c0ee90ea9ee9d926364d3eb52a02970dca105d9416fec0026bfa35", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bc13a5d658c0ee90ea9ee9d926364d3eb52a02970dca105d9416fec0026bfa35", kill_on_drop: false }` [INFO] [stdout] bc13a5d658c0ee90ea9ee9d926364d3eb52a02970dca105d9416fec0026bfa35