[INFO] fetching crate libp2prs-mdns 0.3.0...
[INFO] checking libp2prs-mdns-0.3.0 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate libp2prs-mdns 0.3.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate libp2prs-mdns 0.3.0
[INFO] finished tweaking crates.io crate libp2prs-mdns 0.3.0
[INFO] tweaked toml for crates.io crate libp2prs-mdns 0.3.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate libp2prs-mdns 0.3.0 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate libp2prs-mdns 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6fd12308fdf3fa3a08cf911a7d797cc65307087ce2bfc4889c1a904070c64c5d
[INFO] running `Command { std: "docker" "start" "-a" "6fd12308fdf3fa3a08cf911a7d797cc65307087ce2bfc4889c1a904070c64c5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6fd12308fdf3fa3a08cf911a7d797cc65307087ce2bfc4889c1a904070c64c5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fd12308fdf3fa3a08cf911a7d797cc65307087ce2bfc4889c1a904070c64c5d", kill_on_drop: false }`
[INFO] [stdout] 6fd12308fdf3fa3a08cf911a7d797cc65307087ce2bfc4889c1a904070c64c5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 059afd923a4521cc86d3e2ae7f3b27d86167fde3398033b3919daec451313662
[INFO] running `Command { std: "docker" "start" "-a" "059afd923a4521cc86d3e2ae7f3b27d86167fde3398033b3919daec451313662", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking futures-core v0.3.14
[INFO] [stderr]     Checking futures-sink v0.3.14
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]     Checking futures-channel v0.3.14
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking futures-task v0.3.14
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]     Checking futures-io v0.3.14
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `LineColumn` in crate `proc_macro`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.26/src/wrapper.rs:481:33
[INFO] [stdout]     |
[INFO] [stdout] 481 |                 let proc_macro::LineColumn { line, column } = s.start();
[INFO] [stdout]     |                                 ^^^^^^^^^^ not found in `proc_macro`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]     |
[INFO] [stdout]   1 + use crate::LineColumn;
[INFO] [stdout]     |
[INFO] [stdout]   1 + use crate::fallback::LineColumn;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `LineColumn`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 481 -                 let proc_macro::LineColumn { line, column } = s.start();
[INFO] [stdout] 481 +                 let LineColumn { line, column } = s.start();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `LineColumn` in crate `proc_macro`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.26/src/wrapper.rs:498:33
[INFO] [stdout]     |
[INFO] [stdout] 498 |                 let proc_macro::LineColumn { line, column } = s.end();
[INFO] [stdout]     |                                 ^^^^^^^^^^ not found in `proc_macro`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]     |
[INFO] [stdout]   1 + use crate::LineColumn;
[INFO] [stdout]     |
[INFO] [stdout]   1 + use crate::fallback::LineColumn;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `LineColumn`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 498 -                 let proc_macro::LineColumn { line, column } = s.end();
[INFO] [stdout] 498 +                 let LineColumn { line, column } = s.end();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking cipher v0.2.5
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking signature v1.3.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking sha2 v0.9.3
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stdout] For more information about this error, try `rustc --explain E0422`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "059afd923a4521cc86d3e2ae7f3b27d86167fde3398033b3919daec451313662", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "059afd923a4521cc86d3e2ae7f3b27d86167fde3398033b3919daec451313662", kill_on_drop: false }`
[INFO] [stdout] 059afd923a4521cc86d3e2ae7f3b27d86167fde3398033b3919daec451313662