[INFO] fetching crate mock_derive 0.8.0...
[INFO] checking mock_derive-0.8.0 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate mock_derive 0.8.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate mock_derive 0.8.0 on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mock_derive 0.8.0
[INFO] finished tweaking crates.io crate mock_derive 0.8.0
[INFO] tweaked toml for crates.io crate mock_derive 0.8.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate mock_derive 0.8.0 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" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v1.0.44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c3a0b3749b0db0f7e6d4f4565fc2228a3ed44ebdab3c4a6401c236a9848c61e
[INFO] running `Command { std: "docker" "start" "-a" "7c3a0b3749b0db0f7e6d4f4565fc2228a3ed44ebdab3c4a6401c236a9848c61e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c3a0b3749b0db0f7e6d4f4565fc2228a3ed44ebdab3c4a6401c236a9848c61e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c3a0b3749b0db0f7e6d4f4565fc2228a3ed44ebdab3c4a6401c236a9848c61e", kill_on_drop: false }`
[INFO] [stdout] 7c3a0b3749b0db0f7e6d4f4565fc2228a3ed44ebdab3c4a6401c236a9848c61e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e938fabb310a491c7b21cd811377c596b8d0acd32f0f69dfe6f286c4756341de
[INFO] running `Command { std: "docker" "start" "-a" "e938fabb310a491c7b21cd811377c596b8d0acd32f0f69dfe6f286c4756341de", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]     Checking mock_derive v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0601]: `main` function not found in crate `extern_functions`
[INFO] [stdout]   --> examples/extern_functions.rs:44:2
[INFO] [stdout]    |
[INFO] [stdout] 44 | }
[INFO] [stdout]    |  ^ consider adding a `main` function to `examples/extern_functions.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0601]: `main` function not found in crate `simple`
[INFO] [stdout]    --> examples/simple.rs:119:2
[INFO] [stdout]     |
[INFO] [stdout] 119 | }
[INFO] [stdout]     |  ^ consider adding a `main` function to `examples/simple.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 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 `mock_derive` (example "extern_functions") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0601]: `main` function not found in crate `generics`
[INFO] [stdout]   --> examples/generics.rs:45:2
[INFO] [stdout]    |
[INFO] [stdout] 45 | }
[INFO] [stdout]    |  ^ consider adding a `main` function to `examples/generics.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 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 `mock_derive` (example "simple") due to 2 previous errors
[INFO] [stderr] error: could not compile `mock_derive` (example "generics") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "e938fabb310a491c7b21cd811377c596b8d0acd32f0f69dfe6f286c4756341de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e938fabb310a491c7b21cd811377c596b8d0acd32f0f69dfe6f286c4756341de", kill_on_drop: false }`
[INFO] [stdout] e938fabb310a491c7b21cd811377c596b8d0acd32f0f69dfe6f286c4756341de
[INFO] checking mock_derive-0.8.0 against try#dae34b759e282c069aa28752564694effd121a63 for pr-125384
[INFO] extracting crate mock_derive 0.8.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate mock_derive 0.8.0 on toolchain dae34b759e282c069aa28752564694effd121a63
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mock_derive 0.8.0
[INFO] finished tweaking crates.io crate mock_derive 0.8.0
[INFO] tweaked toml for crates.io crate mock_derive 0.8.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate mock_derive 0.8.0 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" "+dae34b759e282c069aa28752564694effd121a63" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f3e16c15a891b25eec250f146f0e44ddf72b0c521cb7fe33de65f4a391414b87
[INFO] running `Command { std: "docker" "start" "-a" "f3e16c15a891b25eec250f146f0e44ddf72b0c521cb7fe33de65f4a391414b87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3e16c15a891b25eec250f146f0e44ddf72b0c521cb7fe33de65f4a391414b87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3e16c15a891b25eec250f146f0e44ddf72b0c521cb7fe33de65f4a391414b87", kill_on_drop: false }`
[INFO] [stdout] f3e16c15a891b25eec250f146f0e44ddf72b0c521cb7fe33de65f4a391414b87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea17702781707328fae38eb955de5b7dc514ce105552e1bebfc80bab3d428450
[INFO] running `Command { std: "docker" "start" "-a" "ea17702781707328fae38eb955de5b7dc514ce105552e1bebfc80bab3d428450", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] no edition found in manifest, probably 2015, skipping
[INFO] running `Command { std: "docker" "inspect" "ea17702781707328fae38eb955de5b7dc514ce105552e1bebfc80bab3d428450", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea17702781707328fae38eb955de5b7dc514ce105552e1bebfc80bab3d428450", kill_on_drop: false }`
[INFO] [stdout] ea17702781707328fae38eb955de5b7dc514ce105552e1bebfc80bab3d428450