[INFO] fetching crate marbu-customization-module 0.2.0-alpha...
[INFO] checking marbu-customization-module-0.2.0-alpha against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate marbu-customization-module 0.2.0-alpha into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate marbu-customization-module 0.2.0-alpha 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] removed /workspace/builds/worker-4-tc1/source/.cargo/config
[INFO] started tweaking crates.io crate marbu-customization-module 0.2.0-alpha
[INFO] finished tweaking crates.io crate marbu-customization-module 0.2.0-alpha
[INFO] tweaked toml for crates.io crate marbu-customization-module 0.2.0-alpha written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate marbu-customization-module 0.2.0-alpha 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]  Downloading crates ...
[INFO] [stderr]   Downloaded dyn-clone v1.0.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 4977bffca73091450e1002923ad1c51f54d812c16a05a16f505febb3c020ea73
[INFO] running `Command { std: "docker" "start" "-a" "4977bffca73091450e1002923ad1c51f54d812c16a05a16f505febb3c020ea73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4977bffca73091450e1002923ad1c51f54d812c16a05a16f505febb3c020ea73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4977bffca73091450e1002923ad1c51f54d812c16a05a16f505febb3c020ea73", kill_on_drop: false }`
[INFO] [stdout] 4977bffca73091450e1002923ad1c51f54d812c16a05a16f505febb3c020ea73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 5639c6d24eb1b2356bd11935c87d9b25a32ff92be7584f6cb5a71b388658e8b1
[INFO] running `Command { std: "docker" "start" "-a" "5639c6d24eb1b2356bd11935c87d9b25a32ff92be7584f6cb5a71b388658e8b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking zeroize v1.5.7
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]     Checking const-oid v0.9.1
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]     Checking base64ct v1.5.3
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]     Checking base16ct v0.1.1
[INFO] [stderr]     Checking cpufeatures v0.2.5
[INFO] [stderr]    Compiling serde_json v1.0.92
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking once_cell v1.17.0
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]     Checking der v0.6.1
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking ryu v1.0.12
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling schemars v0.8.11
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]     Checking dyn-clone v1.0.10
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]     Checking forward_ref v1.0.0
[INFO] [stderr]    Compiling semver v1.0.16
[INFO] [stderr]    Compiling anyhow v1.0.69
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]     Checking uint v0.9.5
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.51/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" "5639c6d24eb1b2356bd11935c87d9b25a32ff92be7584f6cb5a71b388658e8b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5639c6d24eb1b2356bd11935c87d9b25a32ff92be7584f6cb5a71b388658e8b1", kill_on_drop: false }`
[INFO] [stdout] 5639c6d24eb1b2356bd11935c87d9b25a32ff92be7584f6cb5a71b388658e8b1
[INFO] checking marbu-customization-module-0.2.0-alpha against try#dae34b759e282c069aa28752564694effd121a63 for pr-125384
[INFO] extracting crate marbu-customization-module 0.2.0-alpha into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate marbu-customization-module 0.2.0-alpha 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] removed /workspace/builds/worker-4-tc2/source/.cargo/config
[INFO] started tweaking crates.io crate marbu-customization-module 0.2.0-alpha
[INFO] finished tweaking crates.io crate marbu-customization-module 0.2.0-alpha
[INFO] tweaked toml for crates.io crate marbu-customization-module 0.2.0-alpha written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate marbu-customization-module 0.2.0-alpha 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 684ec6e8cd33263045a096a47886ce1a305619043ab0486ea6b748afa91df1f0
[INFO] running `Command { std: "docker" "start" "-a" "684ec6e8cd33263045a096a47886ce1a305619043ab0486ea6b748afa91df1f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "684ec6e8cd33263045a096a47886ce1a305619043ab0486ea6b748afa91df1f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "684ec6e8cd33263045a096a47886ce1a305619043ab0486ea6b748afa91df1f0", kill_on_drop: false }`
[INFO] [stdout] 684ec6e8cd33263045a096a47886ce1a305619043ab0486ea6b748afa91df1f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] aa1e3771b7f4004b4fbe6ba3061c69bcc39fdf0263a84f693a4d57b7bb8ab4f4
[INFO] running `Command { std: "docker" "start" "-a" "aa1e3771b7f4004b4fbe6ba3061c69bcc39fdf0263a84f693a4d57b7bb8ab4f4", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "aa1e3771b7f4004b4fbe6ba3061c69bcc39fdf0263a84f693a4d57b7bb8ab4f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa1e3771b7f4004b4fbe6ba3061c69bcc39fdf0263a84f693a4d57b7bb8ab4f4", kill_on_drop: false }`
[INFO] [stdout] aa1e3771b7f4004b4fbe6ba3061c69bcc39fdf0263a84f693a4d57b7bb8ab4f4