[INFO] fetching crate testing_macros 0.1.2...
[INFO] checking testing_macros-0.1.2 against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789
[INFO] extracting crate testing_macros 0.1.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate testing_macros 0.1.2 on toolchain 836c31742687ba4e2f857b5b698e1e9e6b67619c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate testing_macros 0.1.2
[INFO] finished tweaking crates.io crate testing_macros 0.1.2
[INFO] tweaked toml for crates.io crate testing_macros 0.1.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d7dc2c43f6e5ab5942955c7576413aec0572459dccc4e147fb464f2f0cbcecc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5d7dc2c43f6e5ab5942955c7576413aec0572459dccc4e147fb464f2f0cbcecc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d7dc2c43f6e5ab5942955c7576413aec0572459dccc4e147fb464f2f0cbcecc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d7dc2c43f6e5ab5942955c7576413aec0572459dccc4e147fb464f2f0cbcecc", kill_on_drop: false }`
[INFO] [stdout] 5d7dc2c43f6e5ab5942955c7576413aec0572459dccc4e147fb464f2f0cbcecc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f9049b2399c0837ecae9502ec045d23e5e6e8ffa74eb858745fcf6ed033ccbe7
[INFO] running `Command { std: "docker" "start" "-a" "f9049b2399c0837ecae9502ec045d23e5e6e8ffa74eb858745fcf6ed033ccbe7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking relative-path v1.3.2
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking pmutil v0.5.3
[INFO] [stderr]     Checking testing_macros v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `proc_macro2::SourceFile`
[INFO] [stdout]  --> src/fixture.rs:6:19
[INFO] [stdout]   |
[INFO] [stdout] 6 | use proc_macro2::{SourceFile, Span};
[INFO] [stdout]   |                   ^^^^^^^^^^ no `SourceFile` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `proc_macro2::SourceFile`
[INFO] [stdout]  --> src/fixture.rs:6:19
[INFO] [stdout]   |
[INFO] [stdout] 6 | use proc_macro2::{SourceFile, Span};
[INFO] [stdout]   |                   ^^^^^^^^^^ no `SourceFile` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `source_file` found for struct `proc_macro2::Span` in the current scope
[INFO] [stdout]   --> src/lib.rs:58:34
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let file = Span::call_site().source_file();
[INFO] [stdout]    |                                  ^^^^^^^^^^^ method not found in `proc_macro2::Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `source_file` found for struct `proc_macro2::Span` in the current scope
[INFO] [stdout]   --> src/lib.rs:58:34
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let file = Span::call_site().source_file();
[INFO] [stdout]    |                                  ^^^^^^^^^^^ method not found in `proc_macro2::Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `testing_macros`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "f9049b2399c0837ecae9502ec045d23e5e6e8ffa74eb858745fcf6ed033ccbe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9049b2399c0837ecae9502ec045d23e5e6e8ffa74eb858745fcf6ed033ccbe7", kill_on_drop: false }`
[INFO] [stdout] f9049b2399c0837ecae9502ec045d23e5e6e8ffa74eb858745fcf6ed033ccbe7