[INFO] fetching crate rustc-ap-rustc_macros 727.0.0...
[INFO] testing rustc-ap-rustc_macros-727.0.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate rustc-ap-rustc_macros 727.0.0 into /workspace/builds/worker-0-tc2/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-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rustc-ap-rustc_macros 727.0.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--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]      Locking 6 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.110)
[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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0cf149555a98c6f0a7968e042f5f86af7000dc0b2756c8aea33a0e1e2c9672ea
[INFO] running `Command { std: "docker" "start" "-a" "0cf149555a98c6f0a7968e042f5f86af7000dc0b2756c8aea33a0e1e2c9672ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0cf149555a98c6f0a7968e042f5f86af7000dc0b2756c8aea33a0e1e2c9672ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cf149555a98c6f0a7968e042f5f86af7000dc0b2756c8aea33a0e1e2c9672ea", kill_on_drop: false }`
[INFO] [stdout] 0cf149555a98c6f0a7968e042f5f86af7000dc0b2756c8aea33a0e1e2c9672ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3d7d33dca5b370212cf5d4b200f591e98042182989959f459219d50cca86d03
[INFO] running `Command { std: "docker" "start" "-a" "b3d7d33dca5b370212cf5d4b200f591e98042182989959f459219d50cca86d03", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling rustc-ap-rustc_macros v727.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `parse_quote`
[INFO] [stdout]  --> src/query.rs:8:47
[INFO] [stdout]   |
[INFO] [stdout] 8 |     braced, parenthesized, parse_macro_input, parse_quote, AttrStyle, Attribute, Block, Error,
[INFO] [stdout]   |                                               ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on statements
[INFO] [stdout]    --> src/session_diagnostic.rs:590:17
[INFO] [stdout]     |
[INFO] [stdout] 590 |                 #[must_use]
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, traits, and unions
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.43s
[INFO] running `Command { std: "docker" "inspect" "b3d7d33dca5b370212cf5d4b200f591e98042182989959f459219d50cca86d03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3d7d33dca5b370212cf5d4b200f591e98042182989959f459219d50cca86d03", kill_on_drop: false }`
[INFO] [stdout] b3d7d33dca5b370212cf5d4b200f591e98042182989959f459219d50cca86d03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e92941834cda443b37253f258e9f2b3ba207c7ac35171c5aa3fc504cfc2e08d
[INFO] running `Command { std: "docker" "start" "-a" "1e92941834cda443b37253f258e9f2b3ba207c7ac35171c5aa3fc504cfc2e08d", 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: unused import: `parse_quote`
[INFO] [stdout]  --> src/query.rs:8:47
[INFO] [stdout]   |
[INFO] [stdout] 8 |     braced, parenthesized, parse_macro_input, parse_quote, AttrStyle, Attribute, Block, Error,
[INFO] [stdout]   |                                               ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parse_quote`
[INFO] [stdout]  --> src/query.rs:8:47
[INFO] [stdout]   |
[INFO] [stdout] 8 |     braced, parenthesized, parse_macro_input, parse_quote, AttrStyle, Attribute, Block, Error,
[INFO] [stdout]   |                                               ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on statements
[INFO] [stdout]    --> src/session_diagnostic.rs:590:17
[INFO] [stdout]     |
[INFO] [stdout] 590 |                 #[must_use]
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, traits, and unions
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on statements
[INFO] [stdout]    --> src/session_diagnostic.rs:590:17
[INFO] [stdout]     |
[INFO] [stdout] 590 |                 #[must_use]
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, traits, and unions
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-ap-rustc_macros` (lib test) due to 1 previous error; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "1e92941834cda443b37253f258e9f2b3ba207c7ac35171c5aa3fc504cfc2e08d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e92941834cda443b37253f258e9f2b3ba207c7ac35171c5aa3fc504cfc2e08d", kill_on_drop: false }`
[INFO] [stdout] 1e92941834cda443b37253f258e9f2b3ba207c7ac35171c5aa3fc504cfc2e08d