[INFO] fetching crate derive-collect-docs 0.1.0...
[INFO] checking derive-collect-docs-0.1.0 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate derive-collect-docs 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate derive-collect-docs 0.1.0 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 derive-collect-docs 0.1.0
[INFO] finished tweaking crates.io crate derive-collect-docs 0.1.0
[INFO] tweaked toml for crates.io crate derive-collect-docs 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate derive-collect-docs 0.1.0 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 serde_derive v1.0.105
[INFO] [stderr]   Downloaded serde v1.0.105
[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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 184186d7bea2c544b5880c2992e13ed19558fd1667b757ad6ef0cc00860929fd
[INFO] running `Command { std: "docker" "start" "-a" "184186d7bea2c544b5880c2992e13ed19558fd1667b757ad6ef0cc00860929fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "184186d7bea2c544b5880c2992e13ed19558fd1667b757ad6ef0cc00860929fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "184186d7bea2c544b5880c2992e13ed19558fd1667b757ad6ef0cc00860929fd", kill_on_drop: false }`
[INFO] [stdout] 184186d7bea2c544b5880c2992e13ed19558fd1667b757ad6ef0cc00860929fd
[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=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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8998e1ae4780b3de7afa32d8f6088bdaee4f623b3fd9b486194712a144e7883
[INFO] running `Command { std: "docker" "start" "-a" "f8998e1ae4780b3de7afa32d8f6088bdaee4f623b3fd9b486194712a144e7883", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking unicode-xid v0.2.0
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking dtoa v0.4.5
[INFO] [stderr]     Checking unindent v0.1.5
[INFO] [stderr]    Compiling once_cell v1.3.1
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking regex v1.3.6
[INFO] [stderr]     Checking derive-collect-docs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]     Checking serde_yaml v0.8.11
[INFO] [stdout] error: proc-macro derive panicked
[INFO] [stdout]   --> examples/foo.rs:13:37
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[derive(Debug, serde::Deserialize, CollectDocs)]
[INFO] [stdout]    |                                     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: message: could not create directory ./docs/generated: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `derive-collect-docs` (example "foo") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "f8998e1ae4780b3de7afa32d8f6088bdaee4f623b3fd9b486194712a144e7883", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8998e1ae4780b3de7afa32d8f6088bdaee4f623b3fd9b486194712a144e7883", kill_on_drop: false }`
[INFO] [stdout] f8998e1ae4780b3de7afa32d8f6088bdaee4f623b3fd9b486194712a144e7883
[INFO] checking derive-collect-docs-0.1.0 against try#dae34b759e282c069aa28752564694effd121a63 for pr-125384
[INFO] extracting crate derive-collect-docs 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate derive-collect-docs 0.1.0 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 derive-collect-docs 0.1.0
[INFO] finished tweaking crates.io crate derive-collect-docs 0.1.0
[INFO] tweaked toml for crates.io crate derive-collect-docs 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate derive-collect-docs 0.1.0 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a973fbbbb18382935a72864722571cc40728b6c31f083948df54671c9191ae3
[INFO] running `Command { std: "docker" "start" "-a" "7a973fbbbb18382935a72864722571cc40728b6c31f083948df54671c9191ae3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a973fbbbb18382935a72864722571cc40728b6c31f083948df54671c9191ae3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a973fbbbb18382935a72864722571cc40728b6c31f083948df54671c9191ae3", kill_on_drop: false }`
[INFO] [stdout] 7a973fbbbb18382935a72864722571cc40728b6c31f083948df54671c9191ae3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19dc1c6ed9d188d6dcdf63b7f0efbb1e22d0db85888089b5d4b60753c50c5815
[INFO] running `Command { std: "docker" "start" "-a" "19dc1c6ed9d188d6dcdf63b7f0efbb1e22d0db85888089b5d4b60753c50c5815", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "19dc1c6ed9d188d6dcdf63b7f0efbb1e22d0db85888089b5d4b60753c50c5815", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19dc1c6ed9d188d6dcdf63b7f0efbb1e22d0db85888089b5d4b60753c50c5815", kill_on_drop: false }`
[INFO] [stdout] 19dc1c6ed9d188d6dcdf63b7f0efbb1e22d0db85888089b5d4b60753c50c5815