[INFO] fetching crate tcgeneric 0.8.1... [INFO] checking tcgeneric-0.8.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate tcgeneric 0.8.1 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate tcgeneric 0.8.1 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 tcgeneric 0.8.1 [INFO] finished tweaking crates.io crate tcgeneric 0.8.1 [INFO] tweaked toml for crates.io crate tcgeneric 0.8.1 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] Locking 107 packages [INFO] [stderr] Adding attribute-derive v0.6.1 (latest: v0.9.1) [INFO] [stderr] Adding attribute-derive-macro v0.6.1 (latest: v0.9.1) [INFO] [stderr] Adding base64 v0.21.7 (latest: v0.22.0) [INFO] [stderr] Adding convert_case v0.4.0 (latest: v0.6.0) [INFO] [stderr] Adding generic-array v0.14.7 (latest: v1.0.0) [INFO] [stderr] Adding ha-ndarray v0.2.0 (latest: v0.3.1) [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding proc-macro-utils v0.8.0 (latest: v0.9.1) [INFO] [stderr] Adding quote-use v0.7.2 (latest: v0.8.0) [INFO] [stderr] Adding quote-use-macros v0.7.2 (latest: v0.8.0) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding tc-error v0.9.0 (latest: v0.11.0) [INFO] [stderr] Adding txfs v0.2.1 (latest: v0.3.0) [INFO] [stderr] Adding txn_lock v0.8.1 (latest: v0.9.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [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 async-hash v0.5.3 [INFO] [stderr] Downloaded safecast v0.2.2 [INFO] [stderr] Downloaded tc-error v0.9.0 [INFO] [stderr] Downloaded ds-ext v0.1.7 [INFO] [stderr] Downloaded hr-id v0.5.1 [INFO] [stderr] Downloaded get-size v0.1.4 [INFO] [stderr] Downloaded txn_lock v0.8.1 [INFO] [stderr] Downloaded attribute-derive v0.6.1 [INFO] [stderr] Downloaded destream v0.7.3 [INFO] [stderr] Downloaded proc-macro-utils v0.8.0 [INFO] [stderr] Downloaded quote-use-macros v0.7.2 [INFO] [stderr] Downloaded collate v0.4.1 [INFO] [stderr] Downloaded txfs v0.2.1 [INFO] [stderr] Downloaded pathlink v0.2.2 [INFO] [stderr] Downloaded freqfs v0.9.1 [INFO] [stderr] Downloaded ha-ndarray v0.2.0 [INFO] [stderr] Downloaded derive-where v1.2.7 [INFO] [stderr] Downloaded interpolator v0.5.0 [INFO] [stderr] Downloaded get-size-derive v0.1.3 [INFO] [stderr] Downloaded collection_literals v1.0.1 [INFO] [stderr] Downloaded attribute-derive-macro v0.6.1 [INFO] [stderr] Downloaded quote-use v0.7.2 [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] fa38be80a54bfb2cbae809a83b64538504a9e35cf4305bf6cc2c88f6f5acbbbf [INFO] running `Command { std: "docker" "start" "-a" "fa38be80a54bfb2cbae809a83b64538504a9e35cf4305bf6cc2c88f6f5acbbbf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fa38be80a54bfb2cbae809a83b64538504a9e35cf4305bf6cc2c88f6f5acbbbf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fa38be80a54bfb2cbae809a83b64538504a9e35cf4305bf6cc2c88f6f5acbbbf", kill_on_drop: false }` [INFO] [stdout] fa38be80a54bfb2cbae809a83b64538504a9e35cf4305bf6cc2c88f6f5acbbbf [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] a6b005bb6893ae0d8d3575411a623c7805e9e7fec03fcb6d8b5a878541ef13f7 [INFO] running `Command { std: "docker" "start" "-a" "a6b005bb6893ae0d8d3575411a623c7805e9e7fec03fcb6d8b5a878541ef13f7", kill_on_drop: false }` [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Compiling derive-where v1.2.7 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling smallvec v1.13.2 [INFO] [stderr] Checking crypto-common v0.1.6 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling interpolator v0.5.0 [INFO] [stderr] Compiling collection_literals v1.0.1 [INFO] [stderr] Checking digest v0.10.7 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Checking get-size v0.1.4 [INFO] [stderr] Compiling proc-macro-utils v0.8.0 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Compiling convert_case v0.4.0 [INFO] [stderr] Checking sha2 v0.10.8 [INFO] [stderr] Checking uuid v1.8.0 [INFO] [stderr] Checking safecast v0.2.2 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Compiling derive_more v0.99.17 [INFO] [stderr] Checking tokio v1.37.0 [INFO] [stderr] Compiling ha-ndarray v0.2.0 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking either v1.10.0 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking strength_reduce v0.2.4 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Checking collate v0.4.1 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Checking transpose v0.2.3 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Compiling quote-use-macros v0.7.2 [INFO] [stderr] Compiling quote-use v0.7.2 [INFO] [stderr] Compiling attribute-derive-macro v0.6.1 [INFO] [stderr] Compiling attribute-derive v0.6.1 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking async-hash v0.5.3 [INFO] [stderr] Checking destream v0.7.3 [INFO] [stderr] Compiling get-size-derive v0.1.3 [INFO] [stderr] Checking ds-ext v0.1.7 [INFO] [stderr] Checking hr-id v0.5.1 [INFO] [stderr] Checking txn_lock v0.8.1 [INFO] [stderr] Checking freqfs v0.9.1 [INFO] [stderr] Checking pathlink v0.2.2 [INFO] [stderr] Checking txfs v0.2.1 [INFO] [stderr] Checking tc-error v0.9.0 [INFO] [stderr] Checking tcgeneric v0.8.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `FromIterator` is imported redundantly [INFO] [stdout] --> src/map.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::iter::FromIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `FromIterator` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryFrom` is imported redundantly [INFO] [stdout] --> src/time.rs:3:20 [INFO] [stdout] | [INFO] [stdout] 3 | use std::convert::{TryFrom, TryInto}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryFrom` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryInto` is imported redundantly [INFO] [stdout] --> src/time.rs:3:29 [INFO] [stdout] | [INFO] [stdout] 3 | use std::convert::{TryFrom, TryInto}; [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 `FromIterator` is imported redundantly [INFO] [stdout] --> src/tuple.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::iter::FromIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `FromIterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `FromIterator` is imported redundantly [INFO] [stdout] --> src/map.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::iter::FromIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `FromIterator` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryFrom` is imported redundantly [INFO] [stdout] --> src/time.rs:3:20 [INFO] [stdout] | [INFO] [stdout] 3 | use std::convert::{TryFrom, TryInto}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryFrom` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryInto` is imported redundantly [INFO] [stdout] --> src/time.rs:3:29 [INFO] [stdout] | [INFO] [stdout] 3 | use std::convert::{TryFrom, TryInto}; [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 `FromIterator` is imported redundantly [INFO] [stdout] --> src/tuple.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::iter::FromIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `FromIterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 34.57s [INFO] running `Command { std: "docker" "inspect" "a6b005bb6893ae0d8d3575411a623c7805e9e7fec03fcb6d8b5a878541ef13f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a6b005bb6893ae0d8d3575411a623c7805e9e7fec03fcb6d8b5a878541ef13f7", kill_on_drop: false }` [INFO] [stdout] a6b005bb6893ae0d8d3575411a623c7805e9e7fec03fcb6d8b5a878541ef13f7