[INFO] fetching crate libp2prs-swarm 0.1.0...
[INFO] checking libp2prs-swarm-0.1.0 against try#bb9dbf1d07454a99066eabaabd5819851281494b for pr-80920
[INFO] extracting crate libp2prs-swarm 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate libp2prs-swarm 0.1.0 on toolchain bb9dbf1d07454a99066eabaabd5819851281494b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libp2prs-swarm 0.1.0
[INFO] finished tweaking crates.io crate libp2prs-swarm 0.1.0
[INFO] tweaked toml for crates.io crate libp2prs-swarm 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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" "+bb9dbf1d07454a99066eabaabd5819851281494b" "metadata" "--no-deps" "--format-version=1", 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] bdd83412ccef366feff7ecf9a4442c4497de03595b265a4db77b5d71c29ad4d8
[INFO] running `Command { std: "docker" "start" "-a" "bdd83412ccef366feff7ecf9a4442c4497de03595b265a4db77b5d71c29ad4d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bdd83412ccef366feff7ecf9a4442c4497de03595b265a4db77b5d71c29ad4d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdd83412ccef366feff7ecf9a4442c4497de03595b265a4db77b5d71c29ad4d8", kill_on_drop: false }`
[INFO] [stdout] bdd83412ccef366feff7ecf9a4442c4497de03595b265a4db77b5d71c29ad4d8
[INFO] running `Command { std: "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" "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" "+bb9dbf1d07454a99066eabaabd5819851281494b" "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] e474655c55915567bb2667addb6cb7a8e5f86204c6b5d19a658c052f8d462701
[INFO] running `Command { std: "docker" "start" "-a" "e474655c55915567bb2667addb6cb7a8e5f86204c6b5d19a658c052f8d462701", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]    Compiling multimap v0.8.2
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking unsigned-varint v0.5.1
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking signature v1.3.0
[INFO] [stderr]     Checking data-encoding v2.3.1
[INFO] [stderr]     Checking bs58 v0.3.1
[INFO] [stderr]     Checking unsigned-varint v0.3.3
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking blake2s_simd v0.5.11
[INFO] [stderr]     Checking blake2b_simd v0.5.11
[INFO] [stderr]     Checking ed25519 v1.0.3
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling asn1_der_derive v0.1.2
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking futures-util v0.3.9
[INFO] [stderr]     Checking sha2 v0.9.2
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]     Checking sha-1 v0.9.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking stream-cipher v0.3.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking multihash v0.11.4
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking sha3 v0.8.2
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking salsa20-core v0.2.3
[INFO] [stderr]    Compiling getrandom v0.2.1
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]     Checking salsa20 v0.3.0
[INFO] [stderr]     Checking hmac-drbg v0.2.0
[INFO] [stderr]    Compiling rand_core v0.6.1
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]     Checking libp2prs-multiaddr v0.1.0
[INFO] [stdout] error[E0603]: module `export` is private
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libp2prs-multiaddr-0.1.0/src/onion_addr.rs:1:12
[INFO] [stdout]     |
[INFO] [stdout] 1   | use serde::export::Formatter;
[INFO] [stdout]     |            ^^^^^^ private module
[INFO] [stdout]     |
[INFO] [stdout] note: the module `export` is defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.119/src/lib.rs:275:5
[INFO] [stdout]     |
[INFO] [stdout] 275 | use self::__private as export;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling zeroize_derive v1.0.1
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0603`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libp2prs-multiaddr`
[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: build failed
[INFO] running `Command { std: "docker" "inspect" "e474655c55915567bb2667addb6cb7a8e5f86204c6b5d19a658c052f8d462701", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e474655c55915567bb2667addb6cb7a8e5f86204c6b5d19a658c052f8d462701", kill_on_drop: false }`
[INFO] [stdout] e474655c55915567bb2667addb6cb7a8e5f86204c6b5d19a658c052f8d462701