[INFO] fetching crate fabric 0.1.2... [INFO] checking fabric-0.1.2 against master#339f574809bf8e4166b8de3cdbe7df181d37af3d for pr-71896 [INFO] extracting crate fabric 0.1.2 into /workspace/builds/worker-11/source [INFO] validating manifest of crates.io crate fabric 0.1.2 on toolchain 339f574809bf8e4166b8de3cdbe7df181d37af3d [INFO] running `"/workspace/cargo-home/bin/cargo" "+339f574809bf8e4166b8de3cdbe7df181d37af3d" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate fabric 0.1.2 [INFO] finished tweaking crates.io crate fabric 0.1.2 [INFO] tweaked toml for crates.io crate fabric 0.1.2 written to /workspace/builds/worker-11/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+339f574809bf8e4166b8de3cdbe7df181d37af3d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/workspace/cargo-home/bin/cargo" "+339f574809bf8e4166b8de3cdbe7df181d37af3d" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+339f574809bf8e4166b8de3cdbe7df181d37af3d" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] d8bc5530faf4382e0df968a9940706cd209112ab30a6e0ea77f91d48f9ca84ae [INFO] running `"docker" "start" "-a" "d8bc5530faf4382e0df968a9940706cd209112ab30a6e0ea77f91d48f9ca84ae"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling proc-macro2 v1.0.12 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.19 [INFO] [stderr] Compiling libc v0.2.69 [INFO] [stderr] Compiling cc v1.0.52 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling ryu v1.0.4 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Checking semver-parser v0.7.0 [INFO] [stderr] Checking itoa v0.4.5 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking unicode-xid v0.1.0 [INFO] [stderr] Checking aes_frast v0.1.5 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking crossbeam v0.3.2 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Compiling quote v1.0.4 [INFO] [stderr] Checking rand v0.5.6 [INFO] [stderr] Checking nix v0.11.1 [INFO] [stderr] Compiling backtrace-sys v0.1.37 [INFO] [stderr] Checking backtrace v0.3.46 [INFO] [stderr] Checking error-chain v0.11.0 [INFO] [stderr] Compiling serde_derive v1.0.106 [INFO] [stderr] Checking serde v1.0.106 [INFO] [stderr] Checking serde_json v1.0.52 [INFO] [stderr] Checking semver v0.9.0 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking bincode v1.2.1 [INFO] [stderr] Checking cargo_metadata v0.5.8 [INFO] [stderr] Checking deploy-common v0.1.2 [INFO] [stderr] Checking fabric v0.1.2 (/opt/rustwide/workdir) [INFO] [stderr] error: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:325:8 [INFO] [stderr] | [INFO] [stderr] 325 | let mut pending = &sync::RwLock::new(&mut pending_inner); [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] note: the lint level is defined here [INFO] [stderr] --> src/main.rs:55:23 [INFO] [stderr] | [INFO] [stderr] 55 | #![deny(missing_docs, warnings, deprecated)] [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] = note: `#[deny(unused_mut)]` implied by `#[deny(warnings)]` [INFO] [stderr] [INFO] [stderr] error: variable does not need to be mutable [INFO] [stderr] --> src/scheduler.rs:173:8 [INFO] [stderr] | [INFO] [stderr] 173 | let mut stream = stream.unwrap(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] error: aborting due to 2 previous errors [INFO] [stderr] [INFO] [stderr] error: could not compile `fabric`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:325:8 [INFO] [stderr] | [INFO] [stderr] 325 | let mut pending = &sync::RwLock::new(&mut pending_inner); [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] note: the lint level is defined here [INFO] [stderr] --> src/main.rs:55:23 [INFO] [stderr] | [INFO] [stderr] 55 | #![deny(missing_docs, warnings, deprecated)] [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] = note: `#[deny(unused_mut)]` implied by `#[deny(warnings)]` [INFO] [stderr] [INFO] [stderr] error: variable does not need to be mutable [INFO] [stderr] --> src/scheduler.rs:173:8 [INFO] [stderr] | [INFO] [stderr] 173 | let mut stream = stream.unwrap(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] error: aborting due to 2 previous errors [INFO] [stderr] [INFO] [stderr] error: could not compile `fabric`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "d8bc5530faf4382e0df968a9940706cd209112ab30a6e0ea77f91d48f9ca84ae"` [INFO] running `"docker" "rm" "-f" "d8bc5530faf4382e0df968a9940706cd209112ab30a6e0ea77f91d48f9ca84ae"` [INFO] [stdout] d8bc5530faf4382e0df968a9940706cd209112ab30a6e0ea77f91d48f9ca84ae