[INFO] fetching crate flow_macro 0.42.0...
[INFO] testing flow_macro-0.42.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate flow_macro 0.42.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate flow_macro 0.42.0
[INFO] finished tweaking crates.io crate flow_macro 0.42.0
[INFO] tweaked toml for crates.io crate flow_macro 0.42.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate flow_macro 0.42.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 71 packages to latest compatible versions
[INFO] [stderr]       Adding flowcore v0.42.0 (available: v0.142.0)
[INFO] [stderr]       Adding simpath v2.3.0 (available: v2.5.0)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.117)
[INFO] [stderr]       Adding toml v0.5.11 (available: v1.1.2+spec-1.1.0)
[INFO] [stderr]       Adding url v2.2.2 (available: v2.5.8)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_yaml v0.8.26
[INFO] [stderr]   Downloaded shrinkwraprs v0.3.0
[INFO] [stderr]   Downloaded simpath v2.3.0
[INFO] [stderr]   Downloaded flowcore v0.42.0
[INFO] [stderr]   Downloaded libz-sys v1.1.28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb670882fca5d80ba38dad8210fa6f43edcf8e1e09c21beb7782c72d737b2d21
[INFO] running `Command { std: "docker" "start" "-a" "bb670882fca5d80ba38dad8210fa6f43edcf8e1e09c21beb7782c72d737b2d21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb670882fca5d80ba38dad8210fa6f43edcf8e1e09c21beb7782c72d737b2d21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb670882fca5d80ba38dad8210fa6f43edcf8e1e09c21beb7782c72d737b2d21", kill_on_drop: false }`
[INFO] [stdout] bb670882fca5d80ba38dad8210fa6f43edcf8e1e09c21beb7782c72d737b2d21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad54c421a00acb5f4c98d94bef27aa218ed167b38adcb0c28ca20b2e0abcea4c
[INFO] running `Command { std: "docker" "start" "-a" "ad54c421a00acb5f4c98d94bef27aa218ed167b38adcb0c28ca20b2e0abcea4c", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling libc v0.2.184
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling libz-sys v1.1.28
[INFO] [stderr]    Compiling curl-sys v0.4.87+curl-8.19.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling openssl-sys v0.9.112
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling tinyvec v1.11.0
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling percent-encoding v2.3.2
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling curl v0.4.49
[INFO] [stderr]    Compiling gimli v0.32.3
[INFO] [stderr]    Compiling matches v0.1.10
[INFO] [stderr]    Compiling unicode-bidi v0.3.18
[INFO] [stderr]    Compiling zmij v1.0.21
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling unicode-normalization v0.1.25
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling linked-hash-map v0.5.6
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.27
[INFO] [stderr]    Compiling socket2 v0.6.3
[INFO] [stderr]    Compiling openssl-probe v0.1.6
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling itoa v1.0.18
[INFO] [stderr]    Compiling ryu v1.0.23
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling addr2line v0.25.1
[INFO] [stderr]    Compiling backtrace v0.3.76
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling serde_yaml v0.8.26
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling simpath v2.3.0
[INFO] [stderr]    Compiling shrinkwraprs v0.3.0
[INFO] [stderr]    Compiling flowcore v0.42.0
[INFO] [stderr]    Compiling flow_macro v0.42.0 (/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:25:41
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let implementation_file_path = span.source_file().path().canonicalize()
[INFO] [stdout]    |                                         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `source` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 25 -     let implementation_file_path = span.source_file().path().canonicalize()
[INFO] [stdout] 25 +     let implementation_file_path = span.source().path().canonicalize()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `flow_macro` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "ad54c421a00acb5f4c98d94bef27aa218ed167b38adcb0c28ca20b2e0abcea4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad54c421a00acb5f4c98d94bef27aa218ed167b38adcb0c28ca20b2e0abcea4c", kill_on_drop: false }`
[INFO] [stdout] ad54c421a00acb5f4c98d94bef27aa218ed167b38adcb0c28ca20b2e0abcea4c