[INFO] fetching crate rustc-ap-rustc_macros 727.0.0...
[INFO] testing rustc-ap-rustc_macros-727.0.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1
[INFO] extracting crate rustc-ap-rustc_macros 727.0.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate rustc-ap-rustc_macros 727.0.0
[INFO] finished tweaking crates.io crate rustc-ap-rustc_macros 727.0.0
[INFO] tweaked toml for crates.io crate rustc-ap-rustc_macros 727.0.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rustc-ap-rustc_macros 727.0.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.106)
[INFO] [stderr]       Adding synstructure v0.12.6 (available: v0.13.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 31eb8b4056128264b810584fc3ff7017fc0cc4e85abbcd7e581433e6c3e0f947
[INFO] running `Command { std: "docker" "start" "-a" "31eb8b4056128264b810584fc3ff7017fc0cc4e85abbcd7e581433e6c3e0f947", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31eb8b4056128264b810584fc3ff7017fc0cc4e85abbcd7e581433e6c3e0f947", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31eb8b4056128264b810584fc3ff7017fc0cc4e85abbcd7e581433e6c3e0f947", kill_on_drop: false }`
[INFO] [stdout] 31eb8b4056128264b810584fc3ff7017fc0cc4e85abbcd7e581433e6c3e0f947
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de78b803a5a93439c7d28117124449ef2004ac3d626e9ea92953de05e64166da
[INFO] running `Command { std: "docker" "start" "-a" "de78b803a5a93439c7d28117124449ef2004ac3d626e9ea92953de05e64166da", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling rustc-ap-rustc_macros v727.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a statement
[INFO] [stdout]    --> src/session_diagnostic.rs:590:17
[INFO] [stdout]     |
[INFO] [stdout] 590 |                 #[must_use]
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.51s
[INFO] running `Command { std: "docker" "inspect" "de78b803a5a93439c7d28117124449ef2004ac3d626e9ea92953de05e64166da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de78b803a5a93439c7d28117124449ef2004ac3d626e9ea92953de05e64166da", kill_on_drop: false }`
[INFO] [stdout] de78b803a5a93439c7d28117124449ef2004ac3d626e9ea92953de05e64166da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 467c8943a2db4c1eacb6242b514f83f03cfd6b6ed03a007e7f1da3219d62873c
[INFO] running `Command { std: "docker" "start" "-a" "467c8943a2db4c1eacb6242b514f83f03cfd6b6ed03a007e7f1da3219d62873c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc-ap-rustc_macros v727.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: couldn't read `src/symbols/../../../rustc_span/src/symbol.rs`: No such file or directory (os error 2)
[INFO] [stdout]   --> src/symbols/tests.rs:11:35
[INFO] [stdout]    |
[INFO] [stdout] 11 |     static SYMBOL_RS_FILE: &str = include_str!("../../../rustc_span/src/symbol.rs");
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a statement
[INFO] [stdout]    --> src/session_diagnostic.rs:590:17
[INFO] [stdout]     |
[INFO] [stdout] 590 |                 #[must_use]
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a statement
[INFO] [stdout]    --> src/session_diagnostic.rs:590:17
[INFO] [stdout]     |
[INFO] [stdout] 590 |                 #[must_use]
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-ap-rustc_macros` (lib test) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "467c8943a2db4c1eacb6242b514f83f03cfd6b6ed03a007e7f1da3219d62873c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "467c8943a2db4c1eacb6242b514f83f03cfd6b6ed03a007e7f1da3219d62873c", kill_on_drop: false }`
[INFO] [stdout] 467c8943a2db4c1eacb6242b514f83f03cfd6b6ed03a007e7f1da3219d62873c