[INFO] fetching crate ldproxy 0.3.3...
[INFO] checking ldproxy-0.3.3 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate ldproxy 0.3.3 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate ldproxy 0.3.3 on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ldproxy 0.3.3
[INFO] finished tweaking crates.io crate ldproxy 0.3.3
[INFO] tweaked toml for crates.io crate ldproxy 0.3.3 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate ldproxy 0.3.3 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" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded filetime v0.2.18
[INFO] [stderr]   Downloaded embuild v0.30.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7698462351fc1b568cd34f8f05a6c2f4ebc00c39284ccce624b738c157f1f30
[INFO] running `Command { std: "docker" "start" "-a" "a7698462351fc1b568cd34f8f05a6c2f4ebc00c39284ccce624b738c157f1f30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7698462351fc1b568cd34f8f05a6c2f4ebc00c39284ccce624b738c157f1f30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7698462351fc1b568cd34f8f05a6c2f4ebc00c39284ccce624b738c157f1f30", kill_on_drop: false }`
[INFO] [stdout] a7698462351fc1b568cd34f8f05a6c2f4ebc00c39284ccce624b738c157f1f30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 582a793a7d1e1b434f46ab9c85dde9e2d5770a30f3a46d1be999417b96b17395
[INFO] running `Command { std: "docker" "start" "-a" "582a793a7d1e1b434f46ab9c85dde9e2d5770a30f3a46d1be999417b96b17395", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]    Compiling cc v1.0.77
[INFO] [stderr]     Checking gimli v0.26.2
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling anyhow v1.0.66
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking miniz_oxide v0.5.4
[INFO] [stderr]     Checking object v0.29.0
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking shlex v1.1.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.47/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[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" "582a793a7d1e1b434f46ab9c85dde9e2d5770a30f3a46d1be999417b96b17395", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "582a793a7d1e1b434f46ab9c85dde9e2d5770a30f3a46d1be999417b96b17395", kill_on_drop: false }`
[INFO] [stdout] 582a793a7d1e1b434f46ab9c85dde9e2d5770a30f3a46d1be999417b96b17395
[INFO] checking ldproxy-0.3.3 against try#dae34b759e282c069aa28752564694effd121a63 for pr-125384
[INFO] extracting crate ldproxy 0.3.3 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate ldproxy 0.3.3 on toolchain dae34b759e282c069aa28752564694effd121a63
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ldproxy 0.3.3
[INFO] finished tweaking crates.io crate ldproxy 0.3.3
[INFO] tweaked toml for crates.io crate ldproxy 0.3.3 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate ldproxy 0.3.3 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" "+dae34b759e282c069aa28752564694effd121a63" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eca6b8b1db401192aa01d5d299ee01c5f6f932f1ff7f7f6cc182c02d46a3f538
[INFO] running `Command { std: "docker" "start" "-a" "eca6b8b1db401192aa01d5d299ee01c5f6f932f1ff7f7f6cc182c02d46a3f538", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eca6b8b1db401192aa01d5d299ee01c5f6f932f1ff7f7f6cc182c02d46a3f538", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eca6b8b1db401192aa01d5d299ee01c5f6f932f1ff7f7f6cc182c02d46a3f538", kill_on_drop: false }`
[INFO] [stdout] eca6b8b1db401192aa01d5d299ee01c5f6f932f1ff7f7f6cc182c02d46a3f538
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f8861af1c5f9f061a2ac9c7af1f7abf956dac7fc803493c5814acdb860dd72c
[INFO] running `Command { std: "docker" "start" "-a" "6f8861af1c5f9f061a2ac9c7af1f7abf956dac7fc803493c5814acdb860dd72c", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "6f8861af1c5f9f061a2ac9c7af1f7abf956dac7fc803493c5814acdb860dd72c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f8861af1c5f9f061a2ac9c7af1f7abf956dac7fc803493c5814acdb860dd72c", kill_on_drop: false }`
[INFO] [stdout] 6f8861af1c5f9f061a2ac9c7af1f7abf956dac7fc803493c5814acdb860dd72c