[INFO] fetching crate tendermint 0.17.0...
[INFO] checking tendermint-0.17.0 against master#6526e5c772f2da07db745c94ca6bb0a591a39ba4 for pr-80920
[INFO] extracting crate tendermint 0.17.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate tendermint 0.17.0 on toolchain 6526e5c772f2da07db745c94ca6bb0a591a39ba4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tendermint 0.17.0
[INFO] finished tweaking crates.io crate tendermint 0.17.0
[INFO] tweaked toml for crates.io crate tendermint 0.17.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9755a0a3907194a1bb54d13e02d412f47560773c4a42f8cc94d72c7aee57902c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9755a0a3907194a1bb54d13e02d412f47560773c4a42f8cc94d72c7aee57902c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9755a0a3907194a1bb54d13e02d412f47560773c4a42f8cc94d72c7aee57902c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9755a0a3907194a1bb54d13e02d412f47560773c4a42f8cc94d72c7aee57902c", kill_on_drop: false }`
[INFO] [stdout] 9755a0a3907194a1bb54d13e02d412f47560773c4a42f8cc94d72c7aee57902c
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] eeb213ef6dd622bdd1048751302aade1cda351281b706961659a6a744c3d9aa9
[INFO] running `Command { std: "docker" "start" "-a" "eeb213ef6dd622bdd1048751302aade1cda351281b706961659a6a744c3d9aa9", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]     Checking tendermint v0.17.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find function `to_rfc3339_custom` in module `timestamp`
[INFO] [stdout]   --> src/time.rs:82:20
[INFO] [stdout]    |
[INFO] [stdout] 82 |         timestamp::to_rfc3339_custom(&self.0)
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^ help: a function with a similar name exists: `to_rfc3339_nanos`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tendermint-proto-0.17.1/src/serializers/timestamp.rs:61:1
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub fn to_rfc3339_nanos(t: &DateTime<Utc>) -> String {
[INFO] [stdout]    | ---------------------------------------------------- similarly named function `to_rfc3339_nanos` defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tokio v0.2.24
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tendermint`
[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] [stdout] error[E0425]: cannot find function `to_rfc3339_custom` in module `timestamp`
[INFO] [stdout]   --> src/time.rs:82:20
[INFO] [stdout]    |
[INFO] [stdout] 82 |         timestamp::to_rfc3339_custom(&self.0)
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^ help: a function with a similar name exists: `to_rfc3339_nanos`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tendermint-proto-0.17.1/src/serializers/timestamp.rs:61:1
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub fn to_rfc3339_nanos(t: &DateTime<Utc>) -> String {
[INFO] [stdout]    | ---------------------------------------------------- similarly named function `to_rfc3339_nanos` defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "eeb213ef6dd622bdd1048751302aade1cda351281b706961659a6a744c3d9aa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eeb213ef6dd622bdd1048751302aade1cda351281b706961659a6a744c3d9aa9", kill_on_drop: false }`
[INFO] [stdout] eeb213ef6dd622bdd1048751302aade1cda351281b706961659a6a744c3d9aa9