[INFO] fetching crate msgpack-tracing 0.1.2...
[INFO] building msgpack-tracing-0.1.2 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate msgpack-tracing 0.1.2 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate msgpack-tracing 0.1.2
[INFO] finished tweaking crates.io crate msgpack-tracing 0.1.2
[INFO] tweaked toml for crates.io crate msgpack-tracing 0.1.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate msgpack-tracing 0.1.2 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate msgpack-tracing 0.1.2 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b1cb05cccc41e9cb5080caf92e684455eef4e6b6a84495541ad0911befb37e6f
[INFO] running `Command { std: "docker" "start" "-a" "b1cb05cccc41e9cb5080caf92e684455eef4e6b6a84495541ad0911befb37e6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1cb05cccc41e9cb5080caf92e684455eef4e6b6a84495541ad0911befb37e6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1cb05cccc41e9cb5080caf92e684455eef4e6b6a84495541ad0911befb37e6f", kill_on_drop: false }`
[INFO] [stdout] b1cb05cccc41e9cb5080caf92e684455eef4e6b6a84495541ad0911befb37e6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 829532a5c2f924189468e1d72ab5ed99aace1e10ddeed9ebdc5fcd4ce7a6bc27
[INFO] running `Command { std: "docker" "start" "-a" "829532a5c2f924189468e1d72ab5ed99aace1e10ddeed9ebdc5fcd4ce7a6bc27", kill_on_drop: false }`
[INFO] [stderr] Compiling regex-syntax v0.6.29
[INFO] [stderr] Compiling smallvec v1.15.0
[INFO] [stderr] Compiling tracing-core v0.1.33
[INFO] [stderr] Compiling regex-automata v0.4.9
[INFO] [stderr] Compiling thread_local v1.1.8
[INFO] [stderr] Compiling nu-ansi-term v0.50.1
[INFO] [stderr] Compiling syn v2.0.101
[INFO] [stderr] Compiling chrono v0.4.41
[INFO] [stderr] Compiling rmp v0.8.14
[INFO] [stderr] Compiling tracing-log v0.2.0
[INFO] [stderr] Compiling regex v1.11.1
[INFO] [stderr] Compiling regex-automata v0.1.10
[INFO] [stderr] Compiling matchers v0.1.0
[INFO] [stderr] Compiling tracing-attributes v0.1.28
[INFO] [stderr] Compiling thiserror-impl v2.0.12
[INFO] [stderr] Compiling tracing v0.1.41
[INFO] [stderr] Compiling thiserror v2.0.12
[INFO] [stderr] Compiling tracing-subscriber v0.3.19
[INFO] [stderr] Compiling msgpack-tracing v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout] --> src/storage.rs:222:22
[INFO] [stdout] |
[INFO] [stdout] 222 | pub fn fetch_one(&mut self) -> io::Result