[INFO] cloning repository https://github.com/elliottpope/TreasurMAP [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/elliottpope/TreasurMAP" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felliottpope%2FTreasurMAP", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felliottpope%2FTreasurMAP'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 83a31b9b7e53cbf7f5cf9c27ad1cc5665c593be3 [INFO] checking elliottpope/TreasurMAP against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felliottpope%2FTreasurMAP" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/elliottpope/TreasurMAP on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/elliottpope/TreasurMAP [INFO] finished tweaking git repo https://github.com/elliottpope/TreasurMAP [INFO] tweaked toml for git repo https://github.com/elliottpope/TreasurMAP written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/elliottpope/TreasurMAP 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--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] Downloading crates ... [INFO] [stderr] Downloaded async-listen v0.2.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5f77524b7e11f0620403fe2c33301c0a6e27a8d82db311211f1706009daa9840 [INFO] running `Command { std: "docker" "start" "-a" "5f77524b7e11f0620403fe2c33301c0a6e27a8d82db311211f1706009daa9840", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5f77524b7e11f0620403fe2c33301c0a6e27a8d82db311211f1706009daa9840", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5f77524b7e11f0620403fe2c33301c0a6e27a8d82db311211f1706009daa9840", kill_on_drop: false }` [INFO] [stdout] 5f77524b7e11f0620403fe2c33301c0a6e27a8d82db311211f1706009daa9840 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e5b1d0049b7641d0f5d8ff6579292d602a1a7fbb9721b267d60487624a94ffcf [INFO] running `Command { std: "docker" "start" "-a" "e5b1d0049b7641d0f5d8ff6579292d602a1a7fbb9721b267d60487624a94ffcf", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling proc-macro2 v1.0.74 [INFO] [stderr] Compiling unicode-ident v1.0.2 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Checking once_cell v1.13.0 [INFO] [stderr] Checking pin-project-lite v0.2.9 [INFO] [stderr] Checking value-bag v1.8.0 [INFO] [stderr] Compiling syn v1.0.98 [INFO] [stderr] Checking cache-padded v1.2.0 [INFO] [stderr] Compiling typenum v1.15.0 [INFO] [stderr] Checking fastrand v1.8.0 [INFO] [stderr] Checking parking v2.0.0 [INFO] [stderr] Checking waker-fn v1.1.0 [INFO] [stderr] Checking event-listener v2.5.3 [INFO] [stderr] Checking concurrent-queue v1.2.4 [INFO] [stderr] Compiling cc v1.0.73 [INFO] [stderr] Compiling pkg-config v0.3.25 [INFO] [stderr] Checking async-task v4.3.0 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking atomic-waker v1.0.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.11 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Checking async-lock v2.8.0 [INFO] [stderr] Compiling lexical-core v0.7.6 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Checking log v0.4.22 [INFO] [stderr] Checking async-channel v1.6.1 [INFO] [stderr] Checking futures-task v0.3.30 [INFO] [stderr] Compiling slab v0.4.7 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling generic-array v0.14.6 [INFO] [stderr] Compiling nom v5.1.2 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling openssl v0.10.41 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking arrayvec v0.5.2 [INFO] [stderr] Checking ryu v1.0.10 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Checking futures-lite v1.12.0 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Checking base64 v0.22.0 [INFO] [stderr] Checking kv-log-macro v1.0.7 [INFO] [stderr] Checking subtle v2.4.1 [INFO] [stderr] Compiling native-tls v0.2.10 [INFO] [stderr] Checking zeroize v1.5.7 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking regex-syntax v0.6.27 [INFO] [stderr] Checking openssl-probe v0.1.5 [INFO] [stderr] Checking bufstream v0.1.4 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking base64 v0.13.0 [INFO] [stderr] Compiling openssl-sys v0.9.75 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling syn v2.0.46 [INFO] [stderr] Checking polling v2.2.0 [INFO] [stderr] Checking socket2 v0.4.4 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking getrandom v0.2.8 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking async-executor v1.4.1 [INFO] [stderr] Checking blocking v1.2.0 [INFO] [stderr] Checking async-io v1.7.0 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking async-global-executor v2.2.0 [INFO] [stderr] Checking inout v0.1.3 [INFO] [stderr] Checking crypto-common v0.1.6 [INFO] [stderr] Checking regex v1.6.0 [INFO] [stderr] Checking cipher v0.4.3 [INFO] [stderr] Checking blowfish v0.9.1 [INFO] [stderr] Checking bcrypt v0.15.1 [INFO] [stderr] Checking imap-proto v0.10.2 [INFO] [stderr] Compiling async-attributes v1.1.2 [INFO] [stderr] Compiling openssl-macros v0.1.0 [INFO] [stderr] Checking async-std v1.12.0 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling async-trait v0.1.81 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking async-listen v0.2.1 [INFO] [stderr] Checking imap v2.4.1 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking treasurmap v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/server.rs:323:38 [INFO] [stdout] | [INFO] [stdout] 323 | .insert(handler.command().clone().to_string(), Box::new(handler)); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/connection.rs:174:9 [INFO] [stdout] | [INFO] [stdout] 174 | drop(&self.responder); [INFO] [stdout] | ^^^^^---------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&UnboundedSender>` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 174 - drop(&self.responder); [INFO] [stdout] 174 + let _ = &self.responder; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/connection.rs:178:9 [INFO] [stdout] | [INFO] [stdout] 178 | drop(&self.state_updater); [INFO] [stdout] | ^^^^^-------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&UnboundedSender` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 178 - drop(&self.state_updater); [INFO] [stdout] 178 + let _ = &self.state_updater; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/server.rs:323:38 [INFO] [stdout] | [INFO] [stdout] 323 | .insert(handler.command().clone().to_string(), Box::new(handler)); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/connection.rs:174:9 [INFO] [stdout] | [INFO] [stdout] 174 | drop(&self.responder); [INFO] [stdout] | ^^^^^---------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&UnboundedSender>` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 174 - drop(&self.responder); [INFO] [stdout] 174 + let _ = &self.responder; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/connection.rs:178:9 [INFO] [stdout] | [INFO] [stdout] 178 | drop(&self.state_updater); [INFO] [stdout] | ^^^^^-------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&UnboundedSender` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 178 - drop(&self.state_updater); [INFO] [stdout] 178 + let _ = &self.state_updater; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/handlers/select.rs:169:55 [INFO] [stdout] | [INFO] [stdout] 169 | return Err(MailboxError::DoesNotExist(name.clone().to_string())) [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.87s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: imap-proto v0.10.2, nom v5.1.2 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "e5b1d0049b7641d0f5d8ff6579292d602a1a7fbb9721b267d60487624a94ffcf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e5b1d0049b7641d0f5d8ff6579292d602a1a7fbb9721b267d60487624a94ffcf", kill_on_drop: false }` [INFO] [stdout] e5b1d0049b7641d0f5d8ff6579292d602a1a7fbb9721b267d60487624a94ffcf