[INFO] fetching crate blot-lib 0.1.2... [INFO] checking blot-lib-0.1.2 against try#024378d9203a4009ed73d6db2681b88a8d74ce7a for pr-112160 [INFO] extracting crate blot-lib 0.1.2 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate blot-lib 0.1.2 on toolchain 024378d9203a4009ed73d6db2681b88a8d74ce7a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate blot-lib 0.1.2 [INFO] finished tweaking crates.io crate blot-lib 0.1.2 [INFO] tweaked toml for crates.io crate blot-lib 0.1.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f237454e1f97d9f0e01780765849fd71e4777299d42bff97543fd93cdc1c126a [INFO] running `Command { std: "docker" "start" "-a" "f237454e1f97d9f0e01780765849fd71e4777299d42bff97543fd93cdc1c126a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f237454e1f97d9f0e01780765849fd71e4777299d42bff97543fd93cdc1c126a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f237454e1f97d9f0e01780765849fd71e4777299d42bff97543fd93cdc1c126a", kill_on_drop: false }` [INFO] [stdout] f237454e1f97d9f0e01780765849fd71e4777299d42bff97543fd93cdc1c126a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8e8a123ecb8355975be633e98f74fd628552eeb02af4e922599813d1cf2ec59c [INFO] running `Command { std: "docker" "start" "-a" "8e8a123ecb8355975be633e98f74fd628552eeb02af4e922599813d1cf2ec59c", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking byte-tools v0.3.1 [INFO] [stderr] Checking opaque-debug v0.2.3 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking subtle v1.0.0 [INFO] [stderr] Checking fake-simd v0.1.2 [INFO] [stderr] Checking keccak v0.1.4 [INFO] [stderr] Checking either v1.8.1 [INFO] [stderr] Checking hex v0.3.2 [INFO] [stderr] Checking generic-array v0.12.4 [INFO] [stderr] Checking serde_json v1.0.96 [INFO] [stderr] Checking block-padding v0.1.5 [INFO] [stderr] Checking itertools v0.7.11 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking crypto-mac v0.7.0 [INFO] [stderr] Checking blake2 v0.8.1 [INFO] [stderr] Checking sha-1 v0.8.2 [INFO] [stderr] Checking sha3 v0.8.2 [INFO] [stderr] Checking sha2 v0.8.2 [INFO] [stderr] Checking blot-lib v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/core.rs:18:34 [INFO] [stdout] | [INFO] [stdout] 18 | fn blot(&self, &T) -> Harvest; [INFO] [stdout] | ^^ help: try naming the parameter or explicitly ignoring it: `_: &T` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/core.rs:18:34 [INFO] [stdout] | [INFO] [stdout] 18 | fn blot(&self, &T) -> Harvest; [INFO] [stdout] | ^^ help: try naming the parameter or explicitly ignoring it: `_: &T` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/value/mod.rs:79:46 [INFO] [stdout] | [INFO] [stdout] 79 | Value::Timestamp(raw) => digester [INFO] [stdout] | ______________________________________________^ [INFO] [stdout] 80 | | .clone() [INFO] [stdout] | |________________________^ unnecessary method call [INFO] [stdout] | [INFO] [stdout] = note: the type `D` does not implement `Clone`, so calling `clone` on `&D` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[deny(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/value/mod.rs:100:25 [INFO] [stdout] | [INFO] [stdout] 100 | digester.clone().digest_collection(Tag::Set, list) [INFO] [stdout] | ^^^^^^^^ unnecessary method call [INFO] [stdout] | [INFO] [stdout] = note: the type `D` does not implement `Clone`, so calling `clone` on `&D` copies the reference, which does not do anything and can be removed [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `blot-lib` (lib) due to 3 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/value/mod.rs:111:17 [INFO] [stdout] | [INFO] [stdout] 111 | let mut temp_vec = Vec::new(); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] ... [INFO] [stdout] 293 | let value: Value = set!{"foo", 23.6, set!{set!{}}, set!{set!{1}}}; [INFO] [stdout] | ------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] = note: this warning originates in the macro `set` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/value/mod.rs:111:17 [INFO] [stdout] | [INFO] [stdout] 111 | let mut temp_vec = Vec::new(); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] ... [INFO] [stdout] 306 | set!{set!{}}, [INFO] [stdout] | ------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `set` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/value/mod.rs:111:17 [INFO] [stdout] | [INFO] [stdout] 111 | let mut temp_vec = Vec::new(); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] ... [INFO] [stdout] 308 | set!{set!{}} [INFO] [stdout] | ------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `set` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/value/mod.rs:79:46 [INFO] [stdout] | [INFO] [stdout] 79 | Value::Timestamp(raw) => digester [INFO] [stdout] | ______________________________________________^ [INFO] [stdout] 80 | | .clone() [INFO] [stdout] | |________________________^ unnecessary method call [INFO] [stdout] | [INFO] [stdout] = note: the type `D` does not implement `Clone`, so calling `clone` on `&D` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[deny(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/value/mod.rs:100:25 [INFO] [stdout] | [INFO] [stdout] 100 | digester.clone().digest_collection(Tag::Set, list) [INFO] [stdout] | ^^^^^^^^ unnecessary method call [INFO] [stdout] | [INFO] [stdout] = note: the type `D` does not implement `Clone`, so calling `clone` on `&D` copies the reference, which does not do anything and can be removed [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `blot-lib` (lib test) due to 3 previous errors; 4 warnings emitted [INFO] running `Command { std: "docker" "inspect" "8e8a123ecb8355975be633e98f74fd628552eeb02af4e922599813d1cf2ec59c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8e8a123ecb8355975be633e98f74fd628552eeb02af4e922599813d1cf2ec59c", kill_on_drop: false }` [INFO] [stdout] 8e8a123ecb8355975be633e98f74fd628552eeb02af4e922599813d1cf2ec59c