[INFO] fetching crate uasync 0.1.1...
[INFO] testing uasync-0.1.1 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate uasync 0.1.1 into /workspace/builds/worker-6-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-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate uasync 0.1.1 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 25 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" "+562dee4820c458d823175268e41601d4c060588a" "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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 85310708fe98d23b394ab4b447f74ee7f3d808c12ad1ba3c07b562d1dcf20058
[INFO] running `Command { std: "docker" "start" "-a" "85310708fe98d23b394ab4b447f74ee7f3d808c12ad1ba3c07b562d1dcf20058", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85310708fe98d23b394ab4b447f74ee7f3d808c12ad1ba3c07b562d1dcf20058", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85310708fe98d23b394ab4b447f74ee7f3d808c12ad1ba3c07b562d1dcf20058", kill_on_drop: false }`
[INFO] [stdout] 85310708fe98d23b394ab4b447f74ee7f3d808c12ad1ba3c07b562d1dcf20058
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f2ef0e3b1bd3fcadb0e0e4b3ee5c94dbd8c67d56e1ce338723c46f2c7103a39
[INFO] running `Command { std: "docker" "start" "-a" "6f2ef0e3b1bd3fcadb0e0e4b3ee5c94dbd8c67d56e1ce338723c46f2c7103a39", 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" "6f2ef0e3b1bd3fcadb0e0e4b3ee5c94dbd8c67d56e1ce338723c46f2c7103a39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f2ef0e3b1bd3fcadb0e0e4b3ee5c94dbd8c67d56e1ce338723c46f2c7103a39", kill_on_drop: false }`
[INFO] [stdout] 6f2ef0e3b1bd3fcadb0e0e4b3ee5c94dbd8c67d56e1ce338723c46f2c7103a39