[INFO] fetching crate rustc-ap-rustc_macros 727.0.0...
[INFO] checking rustc-ap-rustc_macros-727.0.0 against master#e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682 for beta-170-4
[INFO] extracting crate rustc-ap-rustc_macros 727.0.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate rustc-ap-rustc_macros 727.0.0 on toolchain e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4beed764a7e5218a9d0fcc484211648adcdbdc70b8acb365ea1702cb54f6400f
[INFO] running `Command { std: "docker" "start" "-a" "4beed764a7e5218a9d0fcc484211648adcdbdc70b8acb365ea1702cb54f6400f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4beed764a7e5218a9d0fcc484211648adcdbdc70b8acb365ea1702cb54f6400f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4beed764a7e5218a9d0fcc484211648adcdbdc70b8acb365ea1702cb54f6400f", kill_on_drop: false }`
[INFO] [stdout] 4beed764a7e5218a9d0fcc484211648adcdbdc70b8acb365ea1702cb54f6400f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b62ab9804de759479898fc6e962255a3aac40d26579daa7de4fd2bcb19435cd
[INFO] running `Command { std: "docker" "start" "-a" "3b62ab9804de759479898fc6e962255a3aac40d26579daa7de4fd2bcb19435cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.59
[INFO] [stderr]     Checking unicode-ident v1.0.9
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking unicode-xid v0.2.4
[INFO] [stderr]     Checking synstructure v0.12.6
[INFO] [stderr]     Checking 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]    = note: this error originates in the macro `include_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[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] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-ap-rustc_macros` (lib test) due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3b62ab9804de759479898fc6e962255a3aac40d26579daa7de4fd2bcb19435cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b62ab9804de759479898fc6e962255a3aac40d26579daa7de4fd2bcb19435cd", kill_on_drop: false }`
[INFO] [stdout] 3b62ab9804de759479898fc6e962255a3aac40d26579daa7de4fd2bcb19435cd
