[INFO] fetching crate mouscache 0.5.6... [INFO] checking mouscache-0.5.6 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1 [INFO] extracting crate mouscache 0.5.6 into /workspace/builds/worker-6-tc1/source [INFO] started tweaking crates.io crate mouscache 0.5.6 [INFO] finished tweaking crates.io crate mouscache 0.5.6 [INFO] tweaked toml for crates.io crate mouscache 0.5.6 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate mouscache 0.5.6 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 91 packages to latest compatible versions [INFO] [stderr] Adding dns-lookup v0.9.1 (available: v3.0.0) [INFO] [stderr] Adding parking_lot v0.6.4 (available: v0.12.4) [INFO] [stderr] Adding redis v0.10.0 (available: v0.32.5) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded dns-lookup v0.9.1 [INFO] [stderr] Downloaded redis v0.10.0 [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 534e4fe9bdceadcac82a7a867f23a762f9f2f6cc85507fef2569300bd5ecf815 [INFO] running `Command { std: "docker" "start" "-a" "534e4fe9bdceadcac82a7a867f23a762f9f2f6cc85507fef2569300bd5ecf815", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "534e4fe9bdceadcac82a7a867f23a762f9f2f6cc85507fef2569300bd5ecf815", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "534e4fe9bdceadcac82a7a867f23a762f9f2f6cc85507fef2569300bd5ecf815", kill_on_drop: false }` [INFO] [stdout] 534e4fe9bdceadcac82a7a867f23a762f9f2f6cc85507fef2569300bd5ecf815 [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8a64fd130cdcac35c4469d39f7b9cd629802ebbfb68db6db16e1c2cc67e08c15 [INFO] running `Command { std: "docker" "start" "-a" "8a64fd130cdcac35c4469d39f7b9cd629802ebbfb68db6db16e1c2cc67e08c15", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.175 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling autocfg v1.5.0 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking log v0.4.27 [INFO] [stderr] Checking futures v0.1.31 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking cfg-if v1.0.3 [INFO] [stderr] Checking tinyvec_macros v0.1.1 [INFO] [stderr] Compiling parking_lot_core v0.9.11 [INFO] [stderr] Checking lazy_static v1.5.0 [INFO] [stderr] Checking slab v0.4.11 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Checking smallvec v1.15.1 [INFO] [stderr] Checking tinyvec v1.10.0 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking matches v0.1.10 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Checking unicode-bidi v0.3.18 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking memchr v2.7.5 [INFO] [stderr] Checking owning_ref v0.4.1 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Compiling redis v0.10.0 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Checking either v1.15.0 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking ascii v0.9.3 [INFO] [stderr] Checking sha1_smol v1.0.1 [INFO] [stderr] Checking lock_api v0.1.5 [INFO] [stderr] Checking smallvec v0.6.14 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking sha1 v0.6.1 [INFO] [stderr] Compiling parking_lot_core v0.6.3 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling lock_api v0.4.13 [INFO] [stderr] Checking unicode-normalization v0.1.24 [INFO] [stderr] Checking combine v3.8.1 [INFO] [stderr] Checking tokio-sync v0.1.8 [INFO] [stderr] Checking tokio-executor v0.1.10 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Checking num_cpus v1.17.0 [INFO] [stderr] Checking rand v0.5.6 [INFO] [stderr] Checking socket2 v0.3.19 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking dns-lookup v0.9.1 [INFO] [stderr] Checking parking_lot v0.12.4 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking scheduled-thread-pool v0.2.7 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking r2d2 v0.8.10 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Checking tokio-codec v0.1.2 [INFO] [stderr] Checking parking_lot v0.6.4 [INFO] [stderr] Checking tokio-tcp v0.1.4 [INFO] [stderr] Checking mouscache v0.5.6 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `contains_key` is never used [INFO] [stdout] --> src/lib.rs:66:8 [INFO] [stdout] | [INFO] [stdout] 62 | trait CacheAccess { [INFO] [stdout] | ----------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 66 | fn contains_key(&self, key: K) -> Result; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `redis_key_exists` is never used [INFO] [stdout] --> src/redis_cache.rs:242:4 [INFO] [stdout] | [INFO] [stdout] 242 | fn redis_key_exists(con: &redis::Connection, key: String) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type [INFO] [stdout] --> src/memory_cache.rs:223:38 [INFO] [stdout] | [INFO] [stdout] 223 | vec.push(reader.get(f.clone()).map(|s| s.clone())); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(suspicious_double_ref_op)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type [INFO] [stdout] --> src/memory_cache.rs:313:25 [INFO] [stdout] | [INFO] [stdout] 313 | sets.get(key.clone()) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type [INFO] [stdout] --> src/memory_cache.rs:331:25 [INFO] [stdout] | [INFO] [stdout] 331 | sets.get(key.clone()) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type [INFO] [stdout] --> src/memory_cache.rs:352:25 [INFO] [stdout] | [INFO] [stdout] 352 | sets.get(key.clone()) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type [INFO] [stdout] --> src/memory_cache.rs:370:25 [INFO] [stdout] | [INFO] [stdout] 370 | sets.get(key.clone()) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type [INFO] [stdout] --> src/memory_cache.rs:439:25 [INFO] [stdout] | [INFO] [stdout] 439 | sets.get(key.clone()) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type [INFO] [stdout] --> src/memory_cache.rs:457:25 [INFO] [stdout] | [INFO] [stdout] 457 | sets.get(key.clone()) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `contains_key` is never used [INFO] [stdout] --> src/lib.rs:66:8 [INFO] [stdout] | [INFO] [stdout] 62 | trait CacheAccess { [INFO] [stdout] | ----------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 66 | fn contains_key(&self, key: K) -> Result; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `redis_key_exists` is never used [INFO] [stdout] --> src/redis_cache.rs:242:4 [INFO] [stdout] | [INFO] [stdout] 242 | fn redis_key_exists(con: &redis::Connection, key: String) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type [INFO] [stdout] --> src/memory_cache.rs:223:38 [INFO] [stdout] | [INFO] [stdout] 223 | vec.push(reader.get(f.clone()).map(|s| s.clone())); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(suspicious_double_ref_op)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type [INFO] [stdout] --> src/memory_cache.rs:313:25 [INFO] [stdout] | [INFO] [stdout] 313 | sets.get(key.clone()) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type [INFO] [stdout] --> src/memory_cache.rs:331:25 [INFO] [stdout] | [INFO] [stdout] 331 | sets.get(key.clone()) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type [INFO] [stdout] --> src/memory_cache.rs:352:25 [INFO] [stdout] | [INFO] [stdout] 352 | sets.get(key.clone()) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type [INFO] [stdout] --> src/memory_cache.rs:370:25 [INFO] [stdout] | [INFO] [stdout] 370 | sets.get(key.clone()) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type [INFO] [stdout] --> src/memory_cache.rs:439:25 [INFO] [stdout] | [INFO] [stdout] 439 | sets.get(key.clone()) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type [INFO] [stdout] --> src/memory_cache.rs:457:25 [INFO] [stdout] | [INFO] [stdout] 457 | sets.get(key.clone()) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.93s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: redis v0.10.0 [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" "8a64fd130cdcac35c4469d39f7b9cd629802ebbfb68db6db16e1c2cc67e08c15", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8a64fd130cdcac35c4469d39f7b9cd629802ebbfb68db6db16e1c2cc67e08c15", kill_on_drop: false }` [INFO] [stdout] 8a64fd130cdcac35c4469d39f7b9cd629802ebbfb68db6db16e1c2cc67e08c15