[INFO] fetching crate unicode-trie 0.0.1... [INFO] testing unicode-trie-0.0.1 against beta-2022-04-10 for beta-1.61-1 [INFO] extracting crate unicode-trie 0.0.1 into /workspace/builds/worker-29/source [INFO] validating manifest of crates.io crate unicode-trie 0.0.1 on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate unicode-trie 0.0.1 [INFO] finished tweaking crates.io crate unicode-trie 0.0.1 [INFO] tweaked toml for crates.io crate unicode-trie 0.0.1 written to /workspace/builds/worker-29/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3e34e55781130c7150eeab2924d59d802d49e9f5c0d034a858ca47e09d694be5 [INFO] running `Command { std: "docker" "start" "-a" "3e34e55781130c7150eeab2924d59d802d49e9f5c0d034a858ca47e09d694be5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3e34e55781130c7150eeab2924d59d802d49e9f5c0d034a858ca47e09d694be5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3e34e55781130c7150eeab2924d59d802d49e9f5c0d034a858ca47e09d694be5", kill_on_drop: false }` [INFO] [stdout] 3e34e55781130c7150eeab2924d59d802d49e9f5c0d034a858ca47e09d694be5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b0d755648f9c3f75591867661b71e5eb4fc71064f84f9d249ed548935005fa30 [INFO] running `Command { std: "docker" "start" "-a" "b0d755648f9c3f75591867661b71e5eb4fc71064f84f9d249ed548935005fa30", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-trie v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:29:21 [INFO] [stdout] | [INFO] [stdout] 29 | let mut key_parts = UnicodeSegmentation::graphemes(key, true); [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/lib.rs:40:13 [INFO] [stdout] | [INFO] [stdout] 40 | let mut key_parts = UnicodeSegmentation::graphemes(key, true); [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/lib.rs:74:21 [INFO] [stdout] | [INFO] [stdout] 74 | let mut child = self.get_child_or_new(char); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.46s [INFO] running `Command { std: "docker" "inspect" "b0d755648f9c3f75591867661b71e5eb4fc71064f84f9d249ed548935005fa30", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b0d755648f9c3f75591867661b71e5eb4fc71064f84f9d249ed548935005fa30", kill_on_drop: false }` [INFO] [stdout] b0d755648f9c3f75591867661b71e5eb4fc71064f84f9d249ed548935005fa30 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 856a04c6acadb732c40e3484da12db10bc6cbc3be6e002c1e0799e206164f26e [INFO] running `Command { std: "docker" "start" "-a" "856a04c6acadb732c40e3484da12db10bc6cbc3be6e002c1e0799e206164f26e", kill_on_drop: false }` [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:29:21 [INFO] [stdout] | [INFO] [stdout] 29 | let mut key_parts = UnicodeSegmentation::graphemes(key, true); [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/lib.rs:40:13 [INFO] [stdout] | [INFO] [stdout] 40 | let mut key_parts = UnicodeSegmentation::graphemes(key, true); [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling unicode-trie v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:74:21 [INFO] [stdout] | [INFO] [stdout] 74 | let mut child = self.get_child_or_new(char); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:29:21 [INFO] [stdout] | [INFO] [stdout] 29 | let mut key_parts = UnicodeSegmentation::graphemes(key, true); [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/lib.rs:40:13 [INFO] [stdout] | [INFO] [stdout] 40 | let mut key_parts = UnicodeSegmentation::graphemes(key, true); [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/lib.rs:74:21 [INFO] [stdout] | [INFO] [stdout] 74 | let mut child = self.get_child_or_new(char); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0463]: can't find crate for `trie` [INFO] [stdout] --> tests/all.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | extern crate trie; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ can't find crate [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Trie` [INFO] [stdout] --> tests/all.rs:24:20 [INFO] [stdout] | [INFO] [stdout] 24 | let mut tree = Trie::new(); [INFO] [stdout] | ^^^^ use of undeclared type `Trie` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> tests/all.rs:9:45 [INFO] [stdout] | [INFO] [stdout] 9 | where T: FnOnce() -> Result<(), Box<::std::error::Error>> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 23 | / def_test! { test_insert_2, { [INFO] [stdout] 24 | | let mut tree = Trie::new(); [INFO] [stdout] 25 | | [INFO] [stdout] 26 | | tree.add("apple", 1); [INFO] [stdout] ... | [INFO] [stdout] 37 | | assert_eq!(tree.get("apple"), Some(&4)); [INFO] [stdout] 38 | | }} [INFO] [stdout] | |__- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [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: this warning originates in the macro `def_test` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 9 | where T: FnOnce() -> Result<(), Box> { [INFO] [stdout] | +++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0433, E0463. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0433`. [INFO] [stdout] [INFO] [stderr] error: could not compile `unicode-trie` due to 3 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "856a04c6acadb732c40e3484da12db10bc6cbc3be6e002c1e0799e206164f26e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "856a04c6acadb732c40e3484da12db10bc6cbc3be6e002c1e0799e206164f26e", kill_on_drop: false }` [INFO] [stdout] 856a04c6acadb732c40e3484da12db10bc6cbc3be6e002c1e0799e206164f26e