[INFO] fetching crate sake 0.0.1...
[INFO] testing sake-0.0.1 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate sake 0.0.1 into /workspace/builds/worker-52/source
[INFO] validating manifest of crates.io crate sake 0.0.1 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sake 0.0.1
[INFO] finished tweaking crates.io crate sake 0.0.1
[INFO] tweaked toml for crates.io crate sake 0.0.1 written to /workspace/builds/worker-52/source/Cargo.toml
[INFO] crate crates.io crate sake 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dece391687d1d9e0aa8e9b5ca3f86820bc4c75d7dda48f0b4f1fa143ac0e5ebd
[INFO] running `Command { std: "docker" "start" "-a" "dece391687d1d9e0aa8e9b5ca3f86820bc4c75d7dda48f0b4f1fa143ac0e5ebd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dece391687d1d9e0aa8e9b5ca3f86820bc4c75d7dda48f0b4f1fa143ac0e5ebd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dece391687d1d9e0aa8e9b5ca3f86820bc4c75d7dda48f0b4f1fa143ac0e5ebd", kill_on_drop: false }`
[INFO] [stdout] dece391687d1d9e0aa8e9b5ca3f86820bc4c75d7dda48f0b4f1fa143ac0e5ebd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e18be27423d924d3a599ca7b900f467185b69cab8af0326f59d8225d7a85e8d7
[INFO] running `Command { std: "docker" "start" "-a" "e18be27423d924d3a599ca7b900f467185b69cab8af0326f59d8225d7a85e8d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling integer-encoding v1.1.7
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling ordered-float v1.1.1
[INFO] [stderr]    Compiling thrift v0.13.0
[INFO] [stderr]    Compiling sake v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.65s
[INFO] running `Command { std: "docker" "inspect" "e18be27423d924d3a599ca7b900f467185b69cab8af0326f59d8225d7a85e8d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e18be27423d924d3a599ca7b900f467185b69cab8af0326f59d8225d7a85e8d7", kill_on_drop: false }`
[INFO] [stdout] e18be27423d924d3a599ca7b900f467185b69cab8af0326f59d8225d7a85e8d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56c297cd456577328cef819f5bfe57ca3d27b6bfcc14c79b7c2835ac9b57af38
[INFO] running `Command { std: "docker" "start" "-a" "56c297cd456577328cef819f5bfe57ca3d27b6bfcc14c79b7c2835ac9b57af38", kill_on_drop: false }`
[INFO] [stderr]    Compiling sake v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0601]: `main` function not found in crate `example`
[INFO] [stdout]   |
[INFO] [stdout]   = note: consider adding a `main` function to `examples/example.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sake` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "56c297cd456577328cef819f5bfe57ca3d27b6bfcc14c79b7c2835ac9b57af38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56c297cd456577328cef819f5bfe57ca3d27b6bfcc14c79b7c2835ac9b57af38", kill_on_drop: false }`
[INFO] [stdout] 56c297cd456577328cef819f5bfe57ca3d27b6bfcc14c79b7c2835ac9b57af38