[INFO] fetching crate primal 0.3.2...
[INFO] checking primal-0.3.2 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate primal 0.3.2 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate primal 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 primal 0.3.2
[INFO] finished tweaking crates.io crate primal 0.3.2
[INFO] tweaked toml for crates.io crate primal 0.3.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate primal 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 primal-slowsieve v0.3.1
[INFO] [stderr]   Downloaded primal-check v0.3.3
[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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad48480e21398c50d6836078d839bba12b0d4fe00975bb45f2f6bd174b67592d
[INFO] running `Command { std: "docker" "start" "-a" "ad48480e21398c50d6836078d839bba12b0d4fe00975bb45f2f6bd174b67592d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad48480e21398c50d6836078d839bba12b0d4fe00975bb45f2f6bd174b67592d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad48480e21398c50d6836078d839bba12b0d4fe00975bb45f2f6bd174b67592d", kill_on_drop: false }`
[INFO] [stdout] ad48480e21398c50d6836078d839bba12b0d4fe00975bb45f2f6bd174b67592d
[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=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] 5fb2ad0dbdd05a866958298e011ca09dc379e5da837b5a2163a1b4c4ea4549c5
[INFO] running `Command { std: "docker" "start" "-a" "5fb2ad0dbdd05a866958298e011ca09dc379e5da837b5a2163a1b4c4ea4549c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling crossbeam-utils v0.8.10
[INFO] [stderr]    Compiling semver v1.0.16
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling serde_json v1.0.91
[INFO] [stderr]     Checking ryu v1.0.12
[INFO] [stderr]     Checking hamming v0.1.3
[INFO] [stderr]     Checking num-traits v0.2.15
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]     Checking primal-estimate v0.3.2
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking plotters-backend v0.3.2
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking primal-bit v0.3.1
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.49/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] [stderr]     Checking half v1.7.1
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking plotters-svg v0.3.3
[INFO] [stderr]     Checking primal-sieve v0.3.6
[INFO] [stderr]     Checking clap v2.33.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking primal-slowsieve v0.3.1
[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" "5fb2ad0dbdd05a866958298e011ca09dc379e5da837b5a2163a1b4c4ea4549c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fb2ad0dbdd05a866958298e011ca09dc379e5da837b5a2163a1b4c4ea4549c5", kill_on_drop: false }`
[INFO] [stdout] 5fb2ad0dbdd05a866958298e011ca09dc379e5da837b5a2163a1b4c4ea4549c5
[INFO] checking primal-0.3.2 against try#dae34b759e282c069aa28752564694effd121a63 for pr-125384
[INFO] extracting crate primal 0.3.2 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate primal 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 primal 0.3.2
[INFO] finished tweaking crates.io crate primal 0.3.2
[INFO] tweaked toml for crates.io crate primal 0.3.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate primal 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] bb93ec1d7c897d128ea07024d7936524fb2702eb38cc6444d4ec0cd3bf3b2781
[INFO] running `Command { std: "docker" "start" "-a" "bb93ec1d7c897d128ea07024d7936524fb2702eb38cc6444d4ec0cd3bf3b2781", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb93ec1d7c897d128ea07024d7936524fb2702eb38cc6444d4ec0cd3bf3b2781", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb93ec1d7c897d128ea07024d7936524fb2702eb38cc6444d4ec0cd3bf3b2781", kill_on_drop: false }`
[INFO] [stdout] bb93ec1d7c897d128ea07024d7936524fb2702eb38cc6444d4ec0cd3bf3b2781
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 49e6ba966af24a104fff1d59fe2aba30362e500c2f0805cf87d7b3664e4bed36
[INFO] running `Command { std: "docker" "start" "-a" "49e6ba966af24a104fff1d59fe2aba30362e500c2f0805cf87d7b3664e4bed36", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "49e6ba966af24a104fff1d59fe2aba30362e500c2f0805cf87d7b3664e4bed36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49e6ba966af24a104fff1d59fe2aba30362e500c2f0805cf87d7b3664e4bed36", kill_on_drop: false }`
[INFO] [stdout] 49e6ba966af24a104fff1d59fe2aba30362e500c2f0805cf87d7b3664e4bed36