[INFO] crate libmaj 0.1.6 is already in cache
[INFO] checking libmaj-0.1.6 against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1
[INFO] extracting crate libmaj 0.1.6 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate libmaj 0.1.6 on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate libmaj 0.1.6
[INFO] finished tweaking crates.io crate libmaj 0.1.6
[INFO] tweaked toml for crates.io crate libmaj 0.1.6 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "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" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 5920ebf9ae5563997d36a48d74cf2524849bad6aa17bba49a7978a7a49958c9f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "5920ebf9ae5563997d36a48d74cf2524849bad6aa17bba49a7978a7a49958c9f"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking symlink v0.1.0
[INFO] [stderr]     Checking fs_extra v1.1.0
[INFO] [stderr]    Compiling lzma-sys v0.1.15
[INFO] [stderr]     Checking ring v0.16.9
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking native-tls v0.2.3
[INFO] [stderr]     Checking error-chain v0.12.1
[INFO] [stderr]     Checking tokio-threadpool v0.1.17
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking rayon-core v1.6.1
[INFO] [stderr]     Checking publicsuffix v1.5.4
[INFO] [stderr]     Checking rayon v1.2.1
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking xz2 v0.1.6
[INFO] [stderr]     Checking tokio-reactor v0.1.11
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking reqwest v0.9.22
[INFO] [stderr]     Checking file-fetcher v0.1.4
[INFO] [stderr]     Checking libmaj v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/helpers.rs:42:47
[INFO] [stderr]    |
[INFO] [stderr] 42 | type VarTransform = dyn Fn(&ActionContext) -> (Result<String>) + Sync;
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/helpers.rs:48:43
[INFO] [stderr]    |
[INFO] [stderr] 48 |             where T:Fn(&ActionContext) -> (Result<String>) + Sync + 'static {
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/helpers.rs:103:43
[INFO] [stderr]     |
[INFO] [stderr] 103 |             where T:Fn(&ActionContext) -> (Result<String>) + Sync + 'static {
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/helpers.rs:42:47
[INFO] [stderr]    |
[INFO] [stderr] 42 | type VarTransform = dyn Fn(&ActionContext) -> (Result<String>) + Sync;
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/helpers.rs:48:43
[INFO] [stderr]    |
[INFO] [stderr] 48 |             where T:Fn(&ActionContext) -> (Result<String>) + Sync + 'static {
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/helpers.rs:103:43
[INFO] [stderr]     |
[INFO] [stderr] 103 |             where T:Fn(&ActionContext) -> (Result<String>) + Sync + 'static {
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.29s
[INFO] running `"docker" "inspect" "5920ebf9ae5563997d36a48d74cf2524849bad6aa17bba49a7978a7a49958c9f"`
[INFO] running `"docker" "rm" "-f" "5920ebf9ae5563997d36a48d74cf2524849bad6aa17bba49a7978a7a49958c9f"`
[INFO] [stdout] 5920ebf9ae5563997d36a48d74cf2524849bad6aa17bba49a7978a7a49958c9f