[INFO] fetching crate tc-btree 0.8.0... [INFO] checking tc-btree-0.8.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate tc-btree 0.8.0 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate tc-btree 0.8.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate tc-btree 0.8.0 [INFO] finished tweaking crates.io crate tc-btree 0.8.0 [INFO] tweaked toml for crates.io crate tc-btree 0.8.0 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "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 102 packages [INFO] [stderr] Adding async-hash v0.3.1 (latest: v0.5.3) [INFO] [stderr] Adding base64 v0.13.1 (latest: v0.22.0) [INFO] [stderr] Adding collate v0.2.4 (latest: v0.4.1) [INFO] [stderr] Adding destream v0.5.2 (latest: v0.7.3) [INFO] [stderr] Adding email-address-parser v1.0.3 (latest: v2.0.0) [INFO] [stderr] Adding generic-array v0.14.7 (latest: v1.0.0) [INFO] [stderr] Adding handlebars v4.5.0 (latest: v5.1.2) [INFO] [stderr] Adding hr-id v0.2.1 (latest: v0.5.1) [INFO] [stderr] Adding num v0.2.1 (latest: v0.4.1) [INFO] [stderr] Adding num-bigint v0.2.6 (latest: v0.4.4) [INFO] [stderr] Adding num-complex v0.2.4 (latest: v0.4.5) [INFO] [stderr] Adding num-derive v0.3.3 (latest: v0.4.2) [INFO] [stderr] Adding num-rational v0.2.4 (latest: v0.4.1) [INFO] [stderr] Adding number-general v0.8.3 (latest: v0.11.1) [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding quick-xml v0.18.1 (latest: v0.31.0) [INFO] [stderr] Adding safecast v0.1.4 (latest: v0.2.2) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding tbon v0.3.6 (latest: v0.5.2) [INFO] [stderr] Adding tc-error v0.7.0 (latest: v0.11.0) [INFO] [stderr] Adding tc-transact v0.16.0 (latest: v0.20.0) [INFO] [stderr] Adding tc-value v0.8.0 (latest: v0.12.0) [INFO] [stderr] Adding tcgeneric v0.6.0 (latest: v0.10.0) [INFO] [stderr] Adding txn_lock v0.5.1 (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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "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 tc-error v0.7.0 [INFO] [stderr] Downloaded tcgeneric v0.6.0 [INFO] [stderr] Downloaded tc-value v0.8.0 [INFO] [stderr] Downloaded hr-id v0.2.1 [INFO] [stderr] Downloaded safecast v0.1.4 [INFO] [stderr] Downloaded async-hash v0.3.1 [INFO] [stderr] Downloaded tc-transact v0.16.0 [INFO] [stderr] Downloaded collate v0.2.4 [INFO] [stderr] Downloaded tbon v0.3.6 [INFO] [stderr] Downloaded email-address-parser v1.0.3 [INFO] [stderr] Downloaded handlebars v4.5.0 [INFO] [stderr] Downloaded quick-xml v0.18.1 [INFO] [stderr] Downloaded number-general v0.8.3 [INFO] [stderr] Downloaded destream v0.5.2 [INFO] [stderr] Downloaded txn_lock v0.5.1 [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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d03e3b6ae2ef64b9197db47061aa6c0c0880347f867f13f5caa554c9e1308085 [INFO] running `Command { std: "docker" "start" "-a" "d03e3b6ae2ef64b9197db47061aa6c0c0880347f867f13f5caa554c9e1308085", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d03e3b6ae2ef64b9197db47061aa6c0c0880347f867f13f5caa554c9e1308085", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d03e3b6ae2ef64b9197db47061aa6c0c0880347f867f13f5caa554c9e1308085", kill_on_drop: false }` [INFO] [stdout] d03e3b6ae2ef64b9197db47061aa6c0c0880347f867f13f5caa554c9e1308085 [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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8366fa2f55bbf53b0720c7c103830c426370b0020ddb5a5dc7c3a0dff96baddf [INFO] running `Command { std: "docker" "start" "-a" "8366fa2f55bbf53b0720c7c103830c426370b0020ddb5a5dc7c3a0dff96baddf", kill_on_drop: false }` [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Compiling thiserror v1.0.58 [INFO] [stderr] Compiling memchr v2.7.2 [INFO] [stderr] Compiling ucd-trie v0.1.6 [INFO] [stderr] Compiling wasm-bindgen-backend v0.2.92 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Checking sha2 v0.10.8 [INFO] [stderr] Checking tokio v1.37.0 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Checking safecast v0.1.4 [INFO] [stderr] Compiling num-derive v0.3.3 [INFO] [stderr] Checking pest v2.7.9 [INFO] [stderr] Checking collate v0.2.4 [INFO] [stderr] Checking num v0.2.1 [INFO] [stderr] Compiling wasm-bindgen-macro-support v0.2.92 [INFO] [stderr] Checking txn_lock v0.5.1 [INFO] [stderr] Compiling wasm-bindgen-macro v0.2.92 [INFO] [stderr] Compiling pest_meta v2.7.9 [INFO] [stderr] Checking wasm-bindgen v0.2.92 [INFO] [stderr] Compiling pest_generator v2.7.9 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking destream v0.5.2 [INFO] [stderr] Checking async-hash v0.3.1 [INFO] [stderr] Checking console_error_panic_hook v0.1.7 [INFO] [stderr] Compiling pest_derive v2.7.9 [INFO] [stderr] Checking email-address-parser v1.0.3 [INFO] [stderr] Checking handlebars v4.5.0 [INFO] [stderr] Checking hr-id v0.2.1 [INFO] [stderr] Checking tc-error v0.7.0 [INFO] [stderr] Checking number-general v0.8.3 [INFO] [stderr] Checking tbon v0.3.6 [INFO] [stderr] Checking tcgeneric v0.6.0 [INFO] [stderr] Checking tc-value v0.8.0 [INFO] [stderr] Checking tc-transact v0.16.0 [INFO] [stderr] Checking tc-btree v0.8.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `TryFrom` is imported redundantly [INFO] [stdout] --> src/lib.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::convert::TryFrom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryFrom` 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/lib.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::convert::TryFrom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryFrom` 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/file.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::convert::TryFrom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/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 `TryFrom` is imported redundantly [INFO] [stdout] --> src/file.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::convert::TryFrom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/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 `FromIterator` is imported redundantly [INFO] [stdout] --> src/file.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::iter::FromIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/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/file.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::iter::FromIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/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: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.61s [INFO] running `Command { std: "docker" "inspect" "8366fa2f55bbf53b0720c7c103830c426370b0020ddb5a5dc7c3a0dff96baddf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8366fa2f55bbf53b0720c7c103830c426370b0020ddb5a5dc7c3a0dff96baddf", kill_on_drop: false }` [INFO] [stdout] 8366fa2f55bbf53b0720c7c103830c426370b0020ddb5a5dc7c3a0dff96baddf