[INFO] fetching crate pea2pea 0.28.0...
[INFO] testing pea2pea-0.28.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate pea2pea 0.28.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate pea2pea 0.28.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pea2pea 0.28.0
[INFO] finished tweaking crates.io crate pea2pea 0.28.0
[INFO] tweaked toml for crates.io crate pea2pea 0.28.0 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate crates.io crate pea2pea 0.28.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sharded-slab v0.1.3
[INFO] [stderr]   Downloaded snow v0.8.0
[INFO] [stderr]   Downloaded poly1305 v0.7.1
[INFO] [stderr]   Downloaded serde_derive v1.0.128
[INFO] [stderr]   Downloaded chacha20 v0.7.2
[INFO] [stderr]   Downloaded circular-queue v0.2.6
[INFO] [stderr]   Downloaded aes v0.7.4
[INFO] [stderr]   Downloaded polyval v0.5.2
[INFO] [stderr]   Downloaded peak_alloc v0.1.0
[INFO] [stderr]   Downloaded aes-gcm v0.9.3
[INFO] [stderr]   Downloaded ghash v0.4.3
[INFO] [stderr]   Downloaded aead v0.4.2
[INFO] [stderr]   Downloaded tracing-subscriber v0.2.20
[INFO] [stderr]   Downloaded x25519-dalek v1.1.1
[INFO] [stderr]   Downloaded chacha20poly1305 v0.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d03acfd8d475db47a373314404490efabf2b8f29518ef20dd1aa3ecbd74e09d
[INFO] running `Command { std: "docker" "start" "-a" "1d03acfd8d475db47a373314404490efabf2b8f29518ef20dd1aa3ecbd74e09d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d03acfd8d475db47a373314404490efabf2b8f29518ef20dd1aa3ecbd74e09d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d03acfd8d475db47a373314404490efabf2b8f29518ef20dd1aa3ecbd74e09d", kill_on_drop: false }`
[INFO] [stdout] 1d03acfd8d475db47a373314404490efabf2b8f29518ef20dd1aa3ecbd74e09d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c8ccf695820fd3880d2eb64f854e44d1981fd6417c71017a32f7b9b0dc44a492
[INFO] running `Command { std: "docker" "start" "-a" "c8ccf695820fd3880d2eb64f854e44d1981fd6417c71017a32f7b9b0dc44a492", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling instant v0.1.10
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling tracing-core v0.1.19
[INFO] [stderr]    Compiling tokio v1.10.0
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling pea2pea v0.28.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.49s
[INFO] running `Command { std: "docker" "inspect" "c8ccf695820fd3880d2eb64f854e44d1981fd6417c71017a32f7b9b0dc44a492", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8ccf695820fd3880d2eb64f854e44d1981fd6417c71017a32f7b9b0dc44a492", kill_on_drop: false }`
[INFO] [stdout] c8ccf695820fd3880d2eb64f854e44d1981fd6417c71017a32f7b9b0dc44a492
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6403619a4a3c2e7d6c716e455cfe024c984cc96155bc21f6e30c277497aac83
[INFO] running `Command { std: "docker" "start" "-a" "c6403619a4a3c2e7d6c716e455cfe024c984cc96155bc21f6e30c277497aac83", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling cpufeatures v0.1.5
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling serde_derive v1.0.128
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling serde v1.0.128
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling peak_alloc v0.1.0
[INFO] [stderr]    Compiling sharded-slab v0.1.3
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling circular-queue v0.2.6
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling zeroize_derive v1.1.0
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling cipher v0.3.0
[INFO] [stderr]    Compiling universal-hash v0.4.1
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling aead v0.4.2
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling zeroize v1.3.0
[INFO] [stderr]    Compiling polyval v0.5.2
[INFO] [stderr]    Compiling poly1305 v0.7.1
[INFO] [stderr]    Compiling sha2 v0.9.5
[INFO] [stderr]    Compiling blake2 v0.9.1
[INFO] [stderr]    Compiling aes v0.7.4
[INFO] [stderr]    Compiling ctr v0.8.0
[INFO] [stderr]    Compiling chacha20 v0.7.2
[INFO] [stderr]    Compiling curve25519-dalek v3.2.0
[INFO] [stderr]    Compiling ghash v0.4.3
[INFO] [stderr]    Compiling snow v0.8.0
[INFO] [stderr]    Compiling chacha20poly1305 v0.8.1
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling aes-gcm v0.9.3
[INFO] [stderr]    Compiling x25519-dalek v1.1.1
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling tracing-subscriber v0.2.20
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling pea2pea v0.28.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `spammer_count`
[INFO] [stdout]   --> tests/benches.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 |     spammer_count: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `msg_count`
[INFO] [stdout]   --> tests/benches.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 |     msg_count: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `max_msg_size`
[INFO] [stdout]   --> tests/benches.rs:68:5
[INFO] [stdout]    |
[INFO] [stdout] 68 |     max_msg_size: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]   --> examples/hot_potato_game.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     name: PlayerName,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pea2pea`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name hapsburgs_plan_b --edition=2018 examples/hapsburgs_plan_b.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 -C metadata=7913d621ab948c77 -C extra-filename=-7913d621ab948c77 --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern async_trait=/opt/rustwide/target/debug/deps/libasync_trait-1921cb38e26f4a73.so --extern bincode=/opt/rustwide/target/debug/deps/libbincode-288a232255256d25.rlib --extern bytes=/opt/rustwide/target/debug/deps/libbytes-486dd913f668f7b5.rlib --extern circular_queue=/opt/rustwide/target/debug/deps/libcircular_queue-c054259042d5c69c.rlib --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-94a1d9c5cfec1b27.rlib --extern parking_lot=/opt/rustwide/target/debug/deps/libparking_lot-803ed2597346c5cd.rlib --extern pea2pea=/opt/rustwide/target/debug/deps/libpea2pea-71aa7b8a1a2a1ab8.rlib --extern peak_alloc=/opt/rustwide/target/debug/deps/libpeak_alloc-d469e4a80d4a06c1.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-e18d9e7fb1582ca7.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-b3da0881c71c5125.rlib --extern snow=/opt/rustwide/target/debug/deps/libsnow-d935d7430486977e.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-429b14bf033b055f.rlib --extern tracing=/opt/rustwide/target/debug/deps/libtracing-c829ba72f19c695f.rlib --extern tracing_subscriber=/opt/rustwide/target/debug/deps/libtracing_subscriber-9bdeea8ef83a0b27.rlib --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "c6403619a4a3c2e7d6c716e455cfe024c984cc96155bc21f6e30c277497aac83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6403619a4a3c2e7d6c716e455cfe024c984cc96155bc21f6e30c277497aac83", kill_on_drop: false }`
[INFO] [stdout] c6403619a4a3c2e7d6c716e455cfe024c984cc96155bc21f6e30c277497aac83