[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] 7e4c15586014142df80f1f1d133107bdbfc57581 [INFO] checking elliottpope/TreasurMAP against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felliottpope%2FTreasurMAP" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/elliottpope/TreasurMAP 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 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-3-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded imap v2.4.1 [INFO] [stderr] Downloaded async-global-executor v2.2.0 [INFO] [stderr] Downloaded bcrypt v0.15.1 [INFO] [stderr] Downloaded async-listen v0.2.1 [INFO] [stderr] Downloaded imap-proto v0.10.2 [INFO] [stderr] Downloaded value-bag v1.8.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] f1d09c324a06d61c0b828e7e316145d342a258c5f3d7308129835a3671a8cd1f [INFO] running `Command { std: "docker" "start" "-a" "f1d09c324a06d61c0b828e7e316145d342a258c5f3d7308129835a3671a8cd1f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f1d09c324a06d61c0b828e7e316145d342a258c5f3d7308129835a3671a8cd1f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f1d09c324a06d61c0b828e7e316145d342a258c5f3d7308129835a3671a8cd1f", kill_on_drop: false }` [INFO] [stdout] f1d09c324a06d61c0b828e7e316145d342a258c5f3d7308129835a3671a8cd1f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 9c2ecb7a230a2ef9344929d771ce6f293cc4d44f597834c1220335b5cfe24b83 [INFO] running `Command { std: "docker" "start" "-a" "9c2ecb7a230a2ef9344929d771ce6f293cc4d44f597834c1220335b5cfe24b83", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.74 [INFO] [stderr] Compiling unicode-ident v1.0.2 [INFO] [stderr] Compiling slab v0.4.7 [INFO] [stderr] Checking once_cell v1.13.0 [INFO] [stderr] Compiling syn v1.0.98 [INFO] [stderr] Checking value-bag v1.8.0 [INFO] [stderr] Compiling pkg-config v0.3.25 [INFO] [stderr] Checking async-channel v1.6.1 [INFO] [stderr] Checking futures-lite v1.12.0 [INFO] [stderr] Checking generic-array v0.14.6 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling nom v5.1.2 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Compiling openssl v0.10.41 [INFO] [stderr] Compiling async-trait v0.1.79 [INFO] [stderr] Checking crossbeam-utils v0.8.11 [INFO] [stderr] Checking lexical-core v0.7.6 [INFO] [stderr] Checking getrandom v0.2.8 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Checking base64 v0.22.0 [INFO] [stderr] Checking zeroize v1.5.7 [INFO] [stderr] Compiling native-tls v0.2.10 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking bufstream v0.1.4 [INFO] [stderr] Checking polling v2.2.0 [INFO] [stderr] Checking kv-log-macro v1.0.7 [INFO] [stderr] Compiling openssl-sys v0.9.75 [INFO] [stderr] Checking crypto-common v0.1.6 [INFO] [stderr] Checking inout v0.1.3 [INFO] [stderr] Checking cipher v0.4.3 [INFO] [stderr] Checking blocking v1.2.0 [INFO] [stderr] Checking async-executor v1.4.1 [INFO] [stderr] Checking async-io v1.7.0 [INFO] [stderr] Checking blowfish v0.9.1 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Checking bcrypt v0.15.1 [INFO] [stderr] Compiling syn v2.0.46 [INFO] [stderr] Checking regex v1.6.0 [INFO] [stderr] Checking async-global-executor v2.2.0 [INFO] [stderr] Checking chrono v0.4.19 [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] Compiling futures-macro v0.3.30 [INFO] [stderr] Checking async-std v1.12.0 [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: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: `#[warn(dropping_references)]` 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: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] = note: use `let _ = ...` to ignore the expression or result [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: the item `imap` is imported redundantly [INFO] [stdout] --> tests/server_tests.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use imap; [INFO] [stdout] | ^^^^ the item `imap` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` 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: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: `#[warn(dropping_references)]` 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: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] = note: use `let _ = ...` to ignore the expression or result [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: 1 warning 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 7.04s [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 4` [INFO] running `Command { std: "docker" "inspect" "9c2ecb7a230a2ef9344929d771ce6f293cc4d44f597834c1220335b5cfe24b83", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9c2ecb7a230a2ef9344929d771ce6f293cc4d44f597834c1220335b5cfe24b83", kill_on_drop: false }` [INFO] [stdout] 9c2ecb7a230a2ef9344929d771ce6f293cc4d44f597834c1220335b5cfe24b83