[INFO] cloning repository https://github.com/SamSmith7/kvs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SamSmith7/kvs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSamSmith7%2Fkvs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSamSmith7%2Fkvs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 97458140709b331591d975eaf7aff442ace8a41a [INFO] checking SamSmith7/kvs/97458140709b331591d975eaf7aff442ace8a41a against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSamSmith7%2Fkvs" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/SamSmith7/kvs on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/SamSmith7/kvs [INFO] finished tweaking git repo https://github.com/SamSmith7/kvs [INFO] tweaked toml for git repo https://github.com/SamSmith7/kvs written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/SamSmith7/kvs already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded predicates v1.0.1 [INFO] [stderr] Downloaded predicates-tree v1.0.0 [INFO] [stderr] Downloaded normalize-line-endings v0.2.2 [INFO] [stderr] Downloaded syn v0.15.42 [INFO] [stderr] Downloaded bincode v1.1.4 [INFO] [stderr] Downloaded ryu v1.0.0 [INFO] [stderr] Downloaded serde_json v1.0.40 [INFO] [stderr] Downloaded aho-corasick v0.7.4 [INFO] [stderr] Downloaded serde_derive v1.0.97 [INFO] [stderr] Downloaded rand v0.7.0 [INFO] [stderr] Downloaded serde v1.0.97 [INFO] [stderr] Downloaded ucd-util v0.1.5 [INFO] [stderr] Downloaded utf8-ranges v1.0.3 [INFO] [stderr] Downloaded rand_core v0.5.0 [INFO] [stderr] Downloaded float-cmp v0.4.0 [INFO] [stderr] Downloaded predicates-core v1.0.0 [INFO] [stderr] Downloaded regex-syntax v0.6.10 [INFO] [stderr] Downloaded regex v1.2.0 [INFO] [stderr] Downloaded getrandom v0.1.7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9301367ab5cd355433d011a95c674bcfb876f0eb94ad3b3ca494823ea8aad4a2 [INFO] running `Command { std: "docker" "start" "-a" "9301367ab5cd355433d011a95c674bcfb876f0eb94ad3b3ca494823ea8aad4a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9301367ab5cd355433d011a95c674bcfb876f0eb94ad3b3ca494823ea8aad4a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9301367ab5cd355433d011a95c674bcfb876f0eb94ad3b3ca494823ea8aad4a2", kill_on_drop: false }` [INFO] [stdout] 9301367ab5cd355433d011a95c674bcfb876f0eb94ad3b3ca494823ea8aad4a2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 325c28d59edd5118a4a794a29eb908e2df0f7c6aa43a5d7ae465a06795cb3b4b [INFO] running `Command { std: "docker" "start" "-a" "325c28d59edd5118a4a794a29eb908e2df0f7c6aa43a5d7ae465a06795cb3b4b", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling syn v0.15.42 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Compiling serde v1.0.97 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Compiling ryu v1.0.0 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking ppv-lite86 v0.2.5 [INFO] [stderr] Checking ucd-util v0.1.5 [INFO] [stderr] Compiling log v0.4.7 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling bincode v1.1.4 [INFO] [stderr] Checking getrandom v0.1.7 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking regex-syntax v0.6.10 [INFO] [stderr] Checking utf8-ranges v1.0.3 [INFO] [stderr] Checking rand_core v0.5.0 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Checking yaml-rust v0.3.5 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking predicates-core v1.0.0 [INFO] [stderr] Checking normalize-line-endings v0.2.2 [INFO] [stderr] Checking remove_dir_all v0.5.2 [INFO] [stderr] Checking predicates-tree v1.0.0 [INFO] [stderr] Checking same-file v1.0.5 [INFO] [stderr] Checking walkdir v2.2.9 [INFO] [stderr] Checking c2-chacha v0.2.2 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking aho-corasick v0.7.4 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking rand v0.7.0 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking float-cmp v0.4.0 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Checking regex v1.2.0 [INFO] [stderr] Checking predicates v1.0.1 [INFO] [stderr] Compiling serde_derive v1.0.97 [INFO] [stderr] Checking serde_json v1.0.40 [INFO] [stderr] Checking kvs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/kv.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::BufWriter` [INFO] [stdout] --> src/kv.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::BufWriter; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `KvError` [INFO] [stdout] --> src/kv.rs:7:13 [INFO] [stdout] | [INFO] [stdout] 7 | use crate::{KvError, Result}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/error.rs:33:32 [INFO] [stdout] | [INFO] [stdout] 33 | fn cause(&self) -> Option<&error::Error> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 33 | fn cause(&self) -> Option<&dyn error::Error> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/error.rs:28:41 [INFO] [stdout] | [INFO] [stdout] 28 | KvError::Io(ref err) => err.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/error.rs:29:48 [INFO] [stdout] | [INFO] [stdout] 29 | KvError::Serialize(ref err) => err.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `write_all` found for struct `File` in the current scope [INFO] [stdout] --> src/kv.rs:63:21 [INFO] [stdout] | [INFO] [stdout] 63 | self.handle.write_all(encoded)?; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] --> /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/io/mod.rs:1687:8 [INFO] [stdout] | [INFO] [stdout] = note: the method is available for `File` here [INFO] [stdout] | [INFO] [stdout] = help: items from traits can only be used if the trait is in scope [INFO] [stdout] help: there is a method `write_all_at` with a similar name, but with different arguments [INFO] [stdout] --> /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/os/unix/fs.rs:244:5 [INFO] [stdout] help: trait `Write` which provides `write_all` is implemented but not in scope; perhaps you want to import it [INFO] [stdout] | [INFO] [stdout] 1 + use std::io::Write; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/kv.rs:51:23 [INFO] [stdout] | [INFO] [stdout] 51 | pub fn get(&self, key: String) -> Result> { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/kv.rs:69:30 [INFO] [stdout] | [INFO] [stdout] 69 | pub fn remove(&mut self, key: String) -> Result<()> { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0599`. [INFO] [stdout] [INFO] [stderr] error: could not compile `kvs` (lib) due to 2 previous errors; 8 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "325c28d59edd5118a4a794a29eb908e2df0f7c6aa43a5d7ae465a06795cb3b4b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "325c28d59edd5118a4a794a29eb908e2df0f7c6aa43a5d7ae465a06795cb3b4b", kill_on_drop: false }` [INFO] [stdout] 325c28d59edd5118a4a794a29eb908e2df0f7c6aa43a5d7ae465a06795cb3b4b