[INFO] fetching crate css-modules-macros 0.5.2...
[INFO] testing css-modules-macros-0.5.2 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate css-modules-macros 0.5.2 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate css-modules-macros 0.5.2
[INFO] finished tweaking crates.io crate css-modules-macros 0.5.2
[INFO] tweaked toml for crates.io crate css-modules-macros 0.5.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate css-modules-macros 0.5.2 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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] [stderr]       Adding quote v0.6.13 (available: v1.0.40)
[INFO] [stderr]       Adding syn v0.15.44 (available: v2.0.104)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1bcbf61813add357d2e8bec221d8332e5831b4c7278093307315d724656d0577
[INFO] running `Command { std: "docker" "start" "-a" "1bcbf61813add357d2e8bec221d8332e5831b4c7278093307315d724656d0577", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1bcbf61813add357d2e8bec221d8332e5831b4c7278093307315d724656d0577", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bcbf61813add357d2e8bec221d8332e5831b4c7278093307315d724656d0577", kill_on_drop: false }`
[INFO] [stdout] 1bcbf61813add357d2e8bec221d8332e5831b4c7278093307315d724656d0577
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 5016d48ff48f51bc514d0cee815d422606583091c834b28437df3f6f609e363f
[INFO] running `Command { std: "docker" "start" "-a" "5016d48ff48f51bc514d0cee815d422606583091c834b28437df3f6f609e363f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling css-modules-macros v0.5.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `source_file` found for struct `proc_macro::Span` in the current scope
[INFO] [stdout]   --> src/lib.rs:51:57
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let file = input.into_iter().next().unwrap().span().source_file();
[INFO] [stdout]    |                                                         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `source` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 51 -     let file = input.into_iter().next().unwrap().span().source_file();
[INFO] [stdout] 51 +     let file = input.into_iter().next().unwrap().span().source();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `css-modules-macros` (lib) due to 1 previous error
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5016d48ff48f51bc514d0cee815d422606583091c834b28437df3f6f609e363f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5016d48ff48f51bc514d0cee815d422606583091c834b28437df3f6f609e363f", kill_on_drop: false }`
[INFO] [stdout] 5016d48ff48f51bc514d0cee815d422606583091c834b28437df3f6f609e363f