[INFO] fetching crate paxos 0.0.5...
[INFO] checking paxos-0.0.5 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate paxos 0.0.5 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate paxos 0.0.5
[INFO] finished tweaking crates.io crate paxos 0.0.5
[INFO] tweaked toml for crates.io crate paxos 0.0.5 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate paxos 0.0.5 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 49 packages to latest compatible versions
[INFO] [stderr]       Adding bincode v1.3.3 (available: v2.0.1)
[INFO] [stderr]       Adding quickcheck v0.9.2 (available: v1.0.3)
[INFO] [stderr]       Adding rand v0.7.3 (available: v0.9.1)
[INFO] [stderr]       Adding sled v0.31.0 (available: v0.34.7)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fee3017ba7a2fa8d65f4f79552b2ca94aa1380b3e445a821eed69984028819e2
[INFO] running `Command { std: "docker" "start" "-a" "fee3017ba7a2fa8d65f4f79552b2ca94aa1380b3e445a821eed69984028819e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fee3017ba7a2fa8d65f4f79552b2ca94aa1380b3e445a821eed69984028819e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fee3017ba7a2fa8d65f4f79552b2ca94aa1380b3e445a821eed69984028819e2", kill_on_drop: false }`
[INFO] [stdout] fee3017ba7a2fa8d65f4f79552b2ca94aa1380b3e445a821eed69984028819e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5337ce4f0c8f3432f418fdfd4248436c2ca2885345bcbad6ef7275cbff870994
[INFO] running `Command { std: "docker" "start" "-a" "5337ce4f0c8f3432f418fdfd4248436c2ca2885345bcbad6ef7275cbff870994", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking parking_lot_core v0.7.3
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking sled v0.31.0
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stdout] error[E0308]: `if` and `else` have incompatible types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/sled-0.31.0/src/config.rs:552:20
[INFO] [stdout]     |
[INFO] [stdout] 550 |               let try_lock = if self.read_only {
[INFO] [stdout]     |                              ----------------- `if` and `else` have incompatible types
[INFO] [stdout] 551 |                   file.try_lock_shared()
[INFO] [stdout]     |                   ---------------------- expected because of this
[INFO] [stdout] 552 |               } else if cfg!(feature = "testing") {
[INFO] [stdout]     |  ____________________^
[INFO] [stdout] ...   |
[INFO] [stdout] 560 | |                 file.try_lock_exclusive()
[INFO] [stdout] 561 | |             };
[INFO] [stdout]     | |_____________^ expected `Result<(), TryLockError>`, found `Result<(), Error>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected enum `std::result::Result<_, std::fs::TryLockError>`
[INFO] [stdout]                found enum `std::result::Result<_, std::io::Error>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sled` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "5337ce4f0c8f3432f418fdfd4248436c2ca2885345bcbad6ef7275cbff870994", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5337ce4f0c8f3432f418fdfd4248436c2ca2885345bcbad6ef7275cbff870994", kill_on_drop: false }`
[INFO] [stdout] 5337ce4f0c8f3432f418fdfd4248436c2ca2885345bcbad6ef7275cbff870994