[INFO] fetching crate sieve-generator 0.3.2...
[INFO] checking sieve-generator-0.3.2 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate sieve-generator 0.3.2 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate sieve-generator 0.3.2 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 sieve-generator 0.3.2
[INFO] finished tweaking crates.io crate sieve-generator 0.3.2
[INFO] tweaked toml for crates.io crate sieve-generator 0.3.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate sieve-generator 0.3.2 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 indentasy v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] ddb68d127d3a6d686c04f76c68adc0efd86da284095065e46bc1154735f210fa
[INFO] running `Command { std: "docker" "start" "-a" "ddb68d127d3a6d686c04f76c68adc0efd86da284095065e46bc1154735f210fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ddb68d127d3a6d686c04f76c68adc0efd86da284095065e46bc1154735f210fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddb68d127d3a6d686c04f76c68adc0efd86da284095065e46bc1154735f210fa", kill_on_drop: false }`
[INFO] [stdout] ddb68d127d3a6d686c04f76c68adc0efd86da284095065e46bc1154735f210fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 4d53c3a7564576fa69226f8a9f82a3b945c6cb62f1631f3a1005d6c779c8c839
[INFO] running `Command { std: "docker" "start" "-a" "4d53c3a7564576fa69226f8a9f82a3b945c6cb62f1631f3a1005d6c779c8c839", kill_on_drop: false }`
[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 v1.0.103
[INFO] [stderr]    Compiling serde_derive v1.0.147
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]     Checking os_str_bytes v6.4.0
[INFO] [stderr]    Compiling serde_json v1.0.87
[INFO] [stderr]     Checking once_cell v1.16.0
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking itoa v1.0.4
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]     Checking aho-corasick v0.7.19
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking indentasy v0.3.0
[INFO] [stderr]     Checking clap_lex v0.3.0
[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" "4d53c3a7564576fa69226f8a9f82a3b945c6cb62f1631f3a1005d6c779c8c839", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d53c3a7564576fa69226f8a9f82a3b945c6cb62f1631f3a1005d6c779c8c839", kill_on_drop: false }`
[INFO] [stdout] 4d53c3a7564576fa69226f8a9f82a3b945c6cb62f1631f3a1005d6c779c8c839
[INFO] checking sieve-generator-0.3.2 against try#dae34b759e282c069aa28752564694effd121a63 for pr-125384
[INFO] extracting crate sieve-generator 0.3.2 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate sieve-generator 0.3.2 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 sieve-generator 0.3.2
[INFO] finished tweaking crates.io crate sieve-generator 0.3.2
[INFO] tweaked toml for crates.io crate sieve-generator 0.3.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate sieve-generator 0.3.2 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] f88552c8eeaf6457c2150bffbfb2eeceb6cec0bde275a58307da999d69c801c1
[INFO] running `Command { std: "docker" "start" "-a" "f88552c8eeaf6457c2150bffbfb2eeceb6cec0bde275a58307da999d69c801c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f88552c8eeaf6457c2150bffbfb2eeceb6cec0bde275a58307da999d69c801c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f88552c8eeaf6457c2150bffbfb2eeceb6cec0bde275a58307da999d69c801c1", kill_on_drop: false }`
[INFO] [stdout] f88552c8eeaf6457c2150bffbfb2eeceb6cec0bde275a58307da999d69c801c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 68c781748f8b72bbf2ce6973752d8d0e0522636de7bd010d2207b5acefce79dc
[INFO] running `Command { std: "docker" "start" "-a" "68c781748f8b72bbf2ce6973752d8d0e0522636de7bd010d2207b5acefce79dc", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "68c781748f8b72bbf2ce6973752d8d0e0522636de7bd010d2207b5acefce79dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68c781748f8b72bbf2ce6973752d8d0e0522636de7bd010d2207b5acefce79dc", kill_on_drop: false }`
[INFO] [stdout] 68c781748f8b72bbf2ce6973752d8d0e0522636de7bd010d2207b5acefce79dc