[INFO] fetching crate embd-macros 0.1.4...
[INFO] checking embd-macros-0.1.4 against master#39cb3386ddc6c71657418be28dbb3987eea4aa4b for pr-133536
[INFO] extracting crate embd-macros 0.1.4 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate embd-macros 0.1.4 on toolchain 39cb3386ddc6c71657418be28dbb3987eea4aa4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate embd-macros 0.1.4
[INFO] finished tweaking crates.io crate embd-macros 0.1.4
[INFO] tweaked toml for crates.io crate embd-macros 0.1.4 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d4bf327f0ad883a1f33663b0cdcea249e2170c534f2d8b97e3c874b1ab5be92a
[INFO] running `Command { std: "docker" "start" "-a" "d4bf327f0ad883a1f33663b0cdcea249e2170c534f2d8b97e3c874b1ab5be92a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4bf327f0ad883a1f33663b0cdcea249e2170c534f2d8b97e3c874b1ab5be92a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4bf327f0ad883a1f33663b0cdcea249e2170c534f2d8b97e3c874b1ab5be92a", kill_on_drop: false }`
[INFO] [stdout] d4bf327f0ad883a1f33663b0cdcea249e2170c534f2d8b97e3c874b1ab5be92a
[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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc2079aeb1f6603784fc4bb5a2ebc87de67c589bb93f1ca57d5567b196ca158c
[INFO] running `Command { std: "docker" "start" "-a" "dc2079aeb1f6603784fc4bb5a2ebc87de67c589bb93f1ca57d5567b196ca158c", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-ident v1.0.14
[INFO] [stderr]     Checking proc-macro2 v1.0.92
[INFO] [stderr]     Checking quote v1.0.37
[INFO] [stderr]     Checking syn v2.0.90
[INFO] [stderr]     Checking embd-macros v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] error: pass `--cfg procmacro2_semver_exempt` to rustc to compile embd-macros or add this to your `.cargo/config.toml`:
[INFO] [stdout]        
[INFO] [stdout]        [build]
[INFO] [stdout]        rustflags = [ "--cfg", "procmacro2_semver_exempt" ]
[INFO] [stdout]        
[INFO] [stdout]   --> src/lib.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout] 9  | / compile_error!(
[INFO] [stdout] 10 | |     r#"pass `--cfg procmacro2_semver_exempt` to rustc to compile embd-macros or add this to your `.cargo/config.toml`:
[INFO] [stdout] 11 | |
[INFO] [stdout] 12 | | [build]
[INFO] [stdout] ...  |
[INFO] [stdout] 15 | | "#
[INFO] [stdout] 16 | | );
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: pass `--cfg procmacro2_semver_exempt` to rustc to compile embd-macros or add this to your `.cargo/config.toml`:
[INFO] [stdout]        
[INFO] [stdout]        [build]
[INFO] [stdout]        rustflags = [ "--cfg", "procmacro2_semver_exempt" ]
[INFO] [stdout]        
[INFO] [stdout]   --> src/lib.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout] 9  | / compile_error!(
[INFO] [stdout] 10 | |     r#"pass `--cfg procmacro2_semver_exempt` to rustc to compile embd-macros or add this to your `.cargo/config.toml`:
[INFO] [stdout] 11 | |
[INFO] [stdout] 12 | | [build]
[INFO] [stdout] ...  |
[INFO] [stdout] 15 | | "#
[INFO] [stdout] 16 | | );
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `embd-macros` (lib test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `embd-macros` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "dc2079aeb1f6603784fc4bb5a2ebc87de67c589bb93f1ca57d5567b196ca158c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc2079aeb1f6603784fc4bb5a2ebc87de67c589bb93f1ca57d5567b196ca158c", kill_on_drop: false }`
[INFO] [stdout] dc2079aeb1f6603784fc4bb5a2ebc87de67c589bb93f1ca57d5567b196ca158c
