[INFO] fetching crate somedb 0.1.2...
[INFO] documenting somedb-0.1.2 against master#8afe9ff1caa97654c31fb8c259dac9fdf67d6302 for pr-151918
[INFO] extracting crate somedb 0.1.2 into /workspace/builds/worker-7-tc1/source
[INFO] removed /workspace/builds/worker-7-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate somedb 0.1.2
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate somedb 0.1.2
[INFO] tweaked toml for crates.io crate somedb 0.1.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate somedb 0.1.2 on toolchain 8afe9ff1caa97654c31fb8c259dac9fdf67d6302
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8afe9ff1caa97654c31fb8c259dac9fdf67d6302" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate somedb 0.1.2 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" "+8afe9ff1caa97654c31fb8c259dac9fdf67d6302" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded somedb-macros v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+8afe9ff1caa97654c31fb8c259dac9fdf67d6302" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff8b7ec1cc31f420d106ad54a91836e670aef73f751c178046e752b258864609
[INFO] running `Command { std: "docker" "start" "-a" "ff8b7ec1cc31f420d106ad54a91836e670aef73f751c178046e752b258864609", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff8b7ec1cc31f420d106ad54a91836e670aef73f751c178046e752b258864609", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff8b7ec1cc31f420d106ad54a91836e670aef73f751c178046e752b258864609", kill_on_drop: false }`
[INFO] [stdout] ff8b7ec1cc31f420d106ad54a91836e670aef73f751c178046e752b258864609
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+8afe9ff1caa97654c31fb8c259dac9fdf67d6302" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd94501eaefca9369d8e753f664b735d81edf3da2a9b7fdd6a2533094f1c422a
[INFO] running `Command { std: "docker" "start" "-a" "fd94501eaefca9369d8e753f664b735d81edf3da2a9b7fdd6a2533094f1c422a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stdout] error[E0425]: cannot find type `SourceFile` in crate `proc_macro`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.94/src/wrapper.rs:366:26
[INFO] [stdout]     |
[INFO] [stdout] 366 |     Compiler(proc_macro::SourceFile),
[INFO] [stdout]     |                          ^^^^^^^^^^ not found in `proc_macro`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]     |
[INFO] [stdout]   1 + use crate::SourceFile;
[INFO] [stdout]     |
[INFO] [stdout]   1 + use crate::fallback::SourceFile;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `SourceFile`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 366 -     Compiler(proc_macro::SourceFile),
[INFO] [stdout] 366 +     Compiler(SourceFile),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `SourceFile` in crate `proc_macro`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.94/src/wrapper.rs:372:32
[INFO] [stdout]     |
[INFO] [stdout] 372 |     fn nightly(sf: proc_macro::SourceFile) -> Self {
[INFO] [stdout]     |                                ^^^^^^^^^^ not found in `proc_macro`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]     |
[INFO] [stdout]   1 + use crate::SourceFile;
[INFO] [stdout]     |
[INFO] [stdout]   1 + use crate::fallback::SourceFile;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `SourceFile`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 372 -     fn nightly(sf: proc_macro::SourceFile) -> Self {
[INFO] [stdout] 372 +     fn nightly(sf: SourceFile) -> Self {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `source_file` found for reference `&proc_macro::Span` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.94/src/wrapper.rs:462:56
[INFO] [stdout]     |
[INFO] [stdout] 462 |             Span::Compiler(s) => SourceFile::nightly(s.source_file()),
[INFO] [stdout]     |                                                        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `source` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 462 -             Span::Compiler(s) => SourceFile::nightly(s.source_file()),
[INFO] [stdout] 462 +             Span::Compiler(s) => SourceFile::nightly(s.source()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "fd94501eaefca9369d8e753f664b735d81edf3da2a9b7fdd6a2533094f1c422a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd94501eaefca9369d8e753f664b735d81edf3da2a9b7fdd6a2533094f1c422a", kill_on_drop: false }`
[INFO] [stdout] fd94501eaefca9369d8e753f664b735d81edf3da2a9b7fdd6a2533094f1c422a