[INFO] crate join 0.1.1 is already in cache
[INFO] checking join-0.1.1 against try#d7b51666469c792a8a3f40849607739bae1e705e for pr-71665
[INFO] extracting crate join 0.1.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate join 0.1.1 on toolchain d7b51666469c792a8a3f40849607739bae1e705e
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate join 0.1.1
[INFO] finished tweaking crates.io crate join 0.1.1
[INFO] tweaked toml for crates.io crate join 0.1.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+d7b51666469c792a8a3f40849607739bae1e705e" "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] 231a11819283ff1da2388418281bb2950e8403a483868426459feb4f697bc649
[INFO] running `"docker" "start" "-a" "231a11819283ff1da2388418281bb2950e8403a483868426459feb4f697bc649"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]     Checking cfg-if v0.1.10
[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 cc v1.0.52
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]     Checking pin-project-lite v0.1.5
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling serde v1.0.109
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking encoding_rs v0.8.22
[INFO] [stderr]     Checking crossbeam-utils v0.7.2
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling openssl-sys v0.9.56
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking backtrace v0.3.46
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking tokio v0.2.20
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling join_impl v0.1.1
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling pin-project-internal v0.4.14
[INFO] [stderr]    Compiling futures-select-macro-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-join-macro-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling join_export v0.1.1
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking join v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking pin-project v0.4.14
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-timer v0.4.0
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking h2 v0.2.5
[INFO] [stderr]     Checking hyper v0.13.5
[INFO] [stderr]     Checking hyper-tls v0.4.1
[INFO] [stderr]     Checking reqwest v0.10.4
[INFO] [stderr] error[E0596]: cannot borrow `rt` as mutable, as it is not declared as mutable
[INFO] [stderr]   --> tests/join_async_spawn.rs:57:9
[INFO] [stderr]    |
[INFO] [stderr] 56 |         let rt = Runtime::new().unwrap();
[INFO] [stderr]    |             -- help: consider changing this to be mutable: `mut rt`
[INFO] [stderr] 57 |         rt.block_on(async {
[INFO] [stderr]    |         ^^ cannot borrow as mutable
[INFO] [stderr] 
[INFO] [stderr] error[E0596]: cannot borrow `rt` as mutable, as it is not declared as mutable
[INFO] [stderr]   --> tests/join_async_spawn.rs:86:9
[INFO] [stderr]    |
[INFO] [stderr] 85 |         let rt = Runtime::new().unwrap();
[INFO] [stderr]    |             -- help: consider changing this to be mutable: `mut rt`
[INFO] [stderr] 86 |         rt.block_on(async {
[INFO] [stderr]    |         ^^ cannot borrow as mutable
[INFO] [stderr] 
[INFO] [stderr] error[E0596]: cannot borrow `rt` as mutable, as it is not declared as mutable
[INFO] [stderr]    --> tests/join_async_spawn.rs:115:9
[INFO] [stderr]     |
[INFO] [stderr] 114 |         let rt = Runtime::new().unwrap();
[INFO] [stderr]     |             -- help: consider changing this to be mutable: `mut rt`
[INFO] [stderr] 115 |         rt.block_on(async {
[INFO] [stderr]     |         ^^ cannot borrow as mutable
[INFO] [stderr] 
[INFO] [stderr] error[E0596]: cannot borrow `rt` as mutable, as it is not declared as mutable
[INFO] [stderr]    --> tests/join_async_spawn.rs:166:9
[INFO] [stderr]     |
[INFO] [stderr] 165 |         let rt = Runtime::new().unwrap();
[INFO] [stderr]     |             -- help: consider changing this to be mutable: `mut rt`
[INFO] [stderr] 166 |         rt.block_on(async {
[INFO] [stderr]     |         ^^ cannot borrow as mutable
[INFO] [stderr] 
[INFO] [stderr] error[E0596]: cannot borrow `rt` as mutable, as it is not declared as mutable
[INFO] [stderr]    --> tests/join_async_spawn.rs:176:9
[INFO] [stderr]     |
[INFO] [stderr] 175 |         let rt = Runtime::new().unwrap();
[INFO] [stderr]     |             -- help: consider changing this to be mutable: `mut rt`
[INFO] [stderr] 176 |         rt.block_on(
[INFO] [stderr]     |         ^^ cannot borrow as mutable
[INFO] [stderr] 
[INFO] [stderr] error[E0596]: cannot borrow `rt` as mutable, as it is not declared as mutable
[INFO] [stderr]    --> tests/join_async_spawn.rs:247:9
[INFO] [stderr]     |
[INFO] [stderr] 246 |         let rt = Runtime::new().unwrap();
[INFO] [stderr]     |             -- help: consider changing this to be mutable: `mut rt`
[INFO] [stderr] 247 |         rt.block_on(async {
[INFO] [stderr]     |         ^^ cannot borrow as mutable
[INFO] [stderr] 
[INFO] [stderr] error[E0596]: cannot borrow `rt` as mutable, as it is not declared as mutable
[INFO] [stderr]    --> tests/join_async_spawn.rs:292:9
[INFO] [stderr]     |
[INFO] [stderr] 287 |         let rt = tokio::runtime::Builder::new()
[INFO] [stderr]     |             -- help: consider changing this to be mutable: `mut rt`
[INFO] [stderr] ...
[INFO] [stderr] 292 |         rt.block_on(async {
[INFO] [stderr]     |         ^^ cannot borrow as mutable
[INFO] [stderr] 
[INFO] [stderr] error[E0596]: cannot borrow `rt` as mutable, as it is not declared as mutable
[INFO] [stderr]    --> tests/join_async_spawn.rs:326:9
[INFO] [stderr]     |
[INFO] [stderr] 322 |         let rt = tokio::runtime::Builder::new()
[INFO] [stderr]     |             -- help: consider changing this to be mutable: `mut rt`
[INFO] [stderr] ...
[INFO] [stderr] 326 |         rt.block_on(async {
[INFO] [stderr]     |         ^^ cannot borrow as mutable
[INFO] [stderr] 
[INFO] [stderr] error[E0596]: cannot borrow `rt` as mutable, as it is not declared as mutable
[INFO] [stderr]    --> tests/join_async_spawn.rs:400:9
[INFO] [stderr]     |
[INFO] [stderr] 399 |         let rt = Runtime::new().unwrap();
[INFO] [stderr]     |             -- help: consider changing this to be mutable: `mut rt`
[INFO] [stderr] 400 |         rt.block_on(async {
[INFO] [stderr]     |         ^^ cannot borrow as mutable
[INFO] [stderr] 
[INFO] [stderr] error[E0596]: cannot borrow `rt` as mutable, as it is not declared as mutable
[INFO] [stderr]    --> tests/join_async_spawn.rs:409:9
[INFO] [stderr]     |
[INFO] [stderr] 408 |         let rt = Runtime::new().unwrap();
[INFO] [stderr]     |             -- help: consider changing this to be mutable: `mut rt`
[INFO] [stderr] 409 |         rt.block_on(async {
[INFO] [stderr]     |         ^^ cannot borrow as mutable
[INFO] [stderr] 
[INFO] [stderr] error[E0596]: cannot borrow `rt` as mutable, as it is not declared as mutable
[INFO] [stderr]    --> tests/join_async_spawn.rs:419:9
[INFO] [stderr]     |
[INFO] [stderr] 418 |         let rt = Runtime::new().unwrap();
[INFO] [stderr]     |             -- help: consider changing this to be mutable: `mut rt`
[INFO] [stderr] 419 |         rt.block_on(async {
[INFO] [stderr]     |         ^^ cannot borrow as mutable
[INFO] [stderr] 
[INFO] [stderr] error[E0596]: cannot borrow `rt` as mutable, as it is not declared as mutable
[INFO] [stderr]    --> tests/join_async_spawn.rs:442:9
[INFO] [stderr]     |
[INFO] [stderr] 441 |         let rt = Runtime::new().unwrap();
[INFO] [stderr]     |             -- help: consider changing this to be mutable: `mut rt`
[INFO] [stderr] 442 |         rt.block_on(async {
[INFO] [stderr]     |         ^^ cannot borrow as mutable
[INFO] [stderr] 
[INFO] [stderr] error[E0596]: cannot borrow `rt` as mutable, as it is not declared as mutable
[INFO] [stderr]    --> tests/join_async_spawn.rs:451:9
[INFO] [stderr]     |
[INFO] [stderr] 450 |         let rt = Runtime::new().unwrap();
[INFO] [stderr]     |             -- help: consider changing this to be mutable: `mut rt`
[INFO] [stderr] 451 |         rt.block_on(async {
[INFO] [stderr]     |         ^^ cannot borrow as mutable
[INFO] [stderr] 
[INFO] [stderr] error[E0596]: cannot borrow `rt` as mutable, as it is not declared as mutable
[INFO] [stderr]    --> tests/join_async_spawn.rs:514:9
[INFO] [stderr]     |
[INFO] [stderr] 513 |         let rt = Runtime::new().unwrap();
[INFO] [stderr]     |             -- help: consider changing this to be mutable: `mut rt`
[INFO] [stderr] 514 |         rt.block_on(async {
[INFO] [stderr]     |         ^^ cannot borrow as mutable
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 14 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0596`.
[INFO] [stderr] error: could not compile `join`.
[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[E0596]: cannot borrow `rt` as mutable, as it is not declared as mutable
[INFO] [stderr]    --> tests/join_async.rs:566:9
[INFO] [stderr]     |
[INFO] [stderr] 564 |         let rt = ::tokio::runtime::Runtime::new().unwrap();
[INFO] [stderr]     |             -- help: consider changing this to be mutable: `mut rt`
[INFO] [stderr] 565 | 
[INFO] [stderr] 566 |         rt.block_on(async {
[INFO] [stderr]     |         ^^ cannot borrow as mutable
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0596`.
[INFO] [stderr] error: could not compile `join`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "231a11819283ff1da2388418281bb2950e8403a483868426459feb4f697bc649"`
[INFO] running `"docker" "rm" "-f" "231a11819283ff1da2388418281bb2950e8403a483868426459feb4f697bc649"`
[INFO] [stdout] 231a11819283ff1da2388418281bb2950e8403a483868426459feb4f697bc649