[INFO] fetching crate uasync 0.1.1...
[INFO] testing uasync-0.1.1 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate uasync 0.1.1 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate uasync 0.1.1
[INFO] finished tweaking crates.io crate uasync 0.1.1
[INFO] tweaked toml for crates.io crate uasync 0.1.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate uasync 0.1.1 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "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" "+caccb4d0368bd918ef6668af8e13834d07040417" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 47 packages to latest compatible versions
[INFO] [stderr]       Adding async-channel v1.9.0 (available: v2.5.0)
[INFO] [stderr]       Adding futures-lite v1.13.0 (available: v2.6.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded easy-parallel v3.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 010ae2f520878ea086d24dce801bd1c2068efbba633b5ce085ee3e819ad6e4bf
[INFO] running `Command { std: "docker" "start" "-a" "010ae2f520878ea086d24dce801bd1c2068efbba633b5ce085ee3e819ad6e4bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "010ae2f520878ea086d24dce801bd1c2068efbba633b5ce085ee3e819ad6e4bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "010ae2f520878ea086d24dce801bd1c2068efbba633b5ce085ee3e819ad6e4bf", kill_on_drop: false }`
[INFO] [stdout] 010ae2f520878ea086d24dce801bd1c2068efbba633b5ce085ee3e819ad6e4bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c1f3bb5257d882eea512000b39668be32247d649e028dab5e2d0e1dd3ebdfa9
[INFO] running `Command { std: "docker" "start" "-a" "3c1f3bb5257d882eea512000b39668be32247d649e028dab5e2d0e1dd3ebdfa9", kill_on_drop: false }`
[INFO] [stderr]    Compiling uasync v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: format argument must be a string literal
[INFO] [stdout]   --> src/thread_pool/thread.rs:45:38
[INFO] [stdout]    |
[INFO] [stdout] 45 |             Ok(None) => unreachable!(Self::CONTEXT_MISSING_ERROR),
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: you might be missing a string literal to format with
[INFO] [stdout]    |
[INFO] [stdout] 45 |             Ok(None) => unreachable!("{}", Self::CONTEXT_MISSING_ERROR),
[INFO] [stdout]    |                                      +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: format argument must be a string literal
[INFO] [stdout]   --> src/thread_pool/thread.rs:46:36
[INFO] [stdout]    |
[INFO] [stdout] 46 |             Err(_) => unreachable!(Self::CONTEXT_DESTROYED_ERROR),
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: you might be missing a string literal to format with
[INFO] [stdout]    |
[INFO] [stdout] 46 |             Err(_) => unreachable!("{}", Self::CONTEXT_DESTROYED_ERROR),
[INFO] [stdout]    |                                    +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `uasync` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "3c1f3bb5257d882eea512000b39668be32247d649e028dab5e2d0e1dd3ebdfa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c1f3bb5257d882eea512000b39668be32247d649e028dab5e2d0e1dd3ebdfa9", kill_on_drop: false }`
[INFO] [stdout] 3c1f3bb5257d882eea512000b39668be32247d649e028dab5e2d0e1dd3ebdfa9