[INFO] fetching crate orderwal 0.5.1...
[INFO] testing orderwal-0.5.1 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate orderwal 0.5.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate orderwal 0.5.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate orderwal 0.5.1
[INFO] tweaked toml for crates.io crate orderwal 0.5.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate orderwal 0.5.1 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate orderwal 0.5.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4aa7b3b0846d85c9f0842c486375f55ce5ed379dae0217927893dbddb5aedfe9
[INFO] running `Command { std: "docker" "start" "-a" "4aa7b3b0846d85c9f0842c486375f55ce5ed379dae0217927893dbddb5aedfe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4aa7b3b0846d85c9f0842c486375f55ce5ed379dae0217927893dbddb5aedfe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4aa7b3b0846d85c9f0842c486375f55ce5ed379dae0217927893dbddb5aedfe9", kill_on_drop: false }`
[INFO] [stdout] 4aa7b3b0846d85c9f0842c486375f55ce5ed379dae0217927893dbddb5aedfe9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c17a2c53fba8ef1ff88f2cb06183a4f80f907d9146071197a50a07183d2c1cc
[INFO] running `Command { std: "docker" "start" "-a" "1c17a2c53fba8ef1ff88f2cb06183a4f80f907d9146071197a50a07183d2c1cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling libc v0.2.161
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling prettyplease v0.1.25
[INFO] [stderr]    Compiling rustix v0.38.38
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling arbitrary-int v1.2.7
[INFO] [stderr]    Compiling cheap-clone v0.1.7
[INFO] [stderr]    Compiling dbutils v0.9.0
[INFO] [stderr]    Compiling among v0.1.7
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling memmap2 v0.9.5
[INFO] [stderr]    Compiling crossbeam-skiplist-pr1132 v0.1.9
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling crossbeam-skiplist-mvcc v0.2.0
[INFO] [stderr]    Compiling fs4 v0.10.0
[INFO] [stderr]    Compiling rarena-allocator v0.4.15
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rarena-allocator-0.4.15/src/memory.rs:701:46
[INFO] [stdout]     |
[INFO] [stdout] 698 |   pub(crate) fn try_lock_shared(&self) -> std::io::Result<()> {
[INFO] [stdout]     |                                           ------------------- expected `Result<(), std::io::Error>` because of return type
[INFO] [stdout] ...
[INFO] [stdout] 701 |       MemoryBackend::MmapMut { file, .. } => file.try_lock_shared(),
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^^^^^^^^^^ expected `Result<(), Error>`, found `Result<(), TryLockError>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected enum `Result<_, std::io::Error>`
[INFO] [stdout]                found enum `Result<_, std::fs::TryLockError>`
[INFO] [stdout] help: use `?` to coerce and return an appropriate `Err`, and wrap the resulting value in `Ok` so the expression remains of type `Result`
[INFO] [stdout]     |
[INFO] [stdout] 701 |       MemoryBackend::MmapMut { file, .. } => Ok(file.try_lock_shared()?),
[INFO] [stdout]     |                                              +++                      ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rarena-allocator` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "1c17a2c53fba8ef1ff88f2cb06183a4f80f907d9146071197a50a07183d2c1cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c17a2c53fba8ef1ff88f2cb06183a4f80f907d9146071197a50a07183d2c1cc", kill_on_drop: false }`
[INFO] [stdout] 1c17a2c53fba8ef1ff88f2cb06183a4f80f907d9146071197a50a07183d2c1cc