[INFO] updating cached repository https://github.com/mit-pdos/distributary-mysql
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/mit-pdos/distributary-mysql
[INFO] [stderr]    3d4f5a3..d8d6a36  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d8d6a362e97acd3db74944ddfd614db6537e2e65
[INFO] checking mit-pdos/distributary-mysql against try#f149601db42efe10ece8b284ab681fd4a6fcb89c for pr-68766
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmit-pdos%2Fdistributary-mysql" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mit-pdos/distributary-mysql on toolchain f149601db42efe10ece8b284ab681fd4a6fcb89c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/mit-pdos/distributary-mysql
[INFO] finished tweaking git repo https://github.com/mit-pdos/distributary-mysql
[INFO] tweaked toml for git repo https://github.com/mit-pdos/distributary-mysql written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/mit-pdos/distributary-mysql already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating git repository `https://github.com/mit-pdos/noria.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tracing-timing v0.4.0
[INFO] [stderr]   Downloaded strawpoll v0.2.1
[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" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "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] 7105713a14bde74e88b9f7302b812d2917659b89251917e2b68438b38b646f2b
[INFO] running `"docker" "start" "-a" "7105713a14bde74e88b9f7302b812d2917659b89251917e2b68438b38b646f2b"`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking futures-task v0.3.3
[INFO] [stderr]     Checking regex-syntax v0.6.14
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling bindgen v0.49.4
[INFO] [stderr]     Checking snowflake v1.3.0
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]    Compiling io-enum v0.2.2
[INFO] [stderr]    Compiling mysql v17.0.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking tracing-core v0.1.9
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking sharded-slab v0.0.8
[INFO] [stderr]     Checking tower-make v0.3.0
[INFO] [stderr]     Checking strawpoll v0.2.1
[INFO] [stderr]     Checking tracing-log v0.1.1
[INFO] [stderr]    Compiling lexical-core v0.4.6
[INFO] [stderr]    Compiling lexical-core v0.6.2
[INFO] [stderr]    Compiling lexical v4.0.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking evmap v8.0.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking regex-automata v0.1.8
[INFO] [stderr]     Checking num-complex v0.2.4
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking timekeeper v0.3.2
[INFO] [stderr]     Checking quanta v0.3.1
[INFO] [stderr]     Checking nix v0.15.0
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking num-iter v0.1.40
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking nom v5.1.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking num-rational v0.2.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling derive_utils v0.9.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling openssl-sys v0.9.54
[INFO] [stderr]    Compiling jemalloc-sys v0.3.2
[INFO] [stderr]     Checking twox-hash v1.5.0
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling openssl v0.10.28
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking flate2 v1.0.13
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling backtrace v0.3.43
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling tokio-macros v0.2.4
[INFO] [stderr]    Compiling pin-project-internal v0.4.8
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling tracing-attributes v0.1.6
[INFO] [stderr]    Compiling zookeeper_derive v0.4.1
[INFO] [stderr]     Checking hdrhistogram v7.0.0
[INFO] [stderr]     Checking tokio v0.2.11
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling futures-macro v0.3.3
[INFO] [stderr]     Checking assert_infrequent v0.1.0
[INFO] [stderr]     Checking zookeeper v0.5.9
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]     Checking tracing v0.1.12
[INFO] [stderr]     Checking pin-project v0.4.8
[INFO] [stderr]     Checking tower-discover v0.3.0
[INFO] [stderr]     Checking tower-load-shed v0.3.0
[INFO] [stderr]     Checking futures-util v0.3.3
[INFO] [stderr]     Checking tower-load v0.3.0
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking tower-buffer v0.3.0
[INFO] [stderr]     Checking tower-limit v0.3.0
[INFO] [stderr]     Checking tower-retry v0.3.0
[INFO] [stderr]     Checking tower-timeout v0.3.0
[INFO] [stderr]     Checking async-timer v0.7.2
[INFO] [stderr] error[E0425]: cannot find value `pinned_self` in this scope
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tower-limit-0.3.0/src/concurrency/future.rs:14:15
[INFO] [stderr]    |
[INFO] [stderr] 14 | #[pin_project(PinnedDrop)]
[INFO] [stderr]    |               ^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0424]: expected value, found module `self`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tower-limit-0.3.0/src/concurrency/future.rs:39:1
[INFO] [stderr]    |
[INFO] [stderr] 39 | #[pinned_drop]
[INFO] [stderr]    | ^^^^^^^^^^^^^^
[INFO] [stderr]    | |
[INFO] [stderr]    | `self` value is a keyword only available in methods with a `self` parameter
[INFO] [stderr]    | this function doesn't have a `self` parameter
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0424, E0425.
[INFO] [stderr] For more information about an error, try `rustc --explain E0424`.
[INFO] [stderr] error: could not compile `tower-limit`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "7105713a14bde74e88b9f7302b812d2917659b89251917e2b68438b38b646f2b"`
[INFO] running `"docker" "rm" "-f" "7105713a14bde74e88b9f7302b812d2917659b89251917e2b68438b38b646f2b"`
[INFO] [stdout] 7105713a14bde74e88b9f7302b812d2917659b89251917e2b68438b38b646f2b