[INFO] cloning repository https://github.com/tidley/my_ip_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tidley/my_ip_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftidley%2Fmy_ip_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftidley%2Fmy_ip_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 39fcf58cc269a5303dc34afdf95ad5e91eeb668a
[INFO] checking tidley/my_ip_rust/39fcf58cc269a5303dc34afdf95ad5e91eeb668a against master#c1feb3eceef7d5f0126c309a87062cf413fe0a25 for pr-121053
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftidley%2Fmy_ip_rust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tidley/my_ip_rust on toolchain c1feb3eceef7d5f0126c309a87062cf413fe0a25
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c1feb3eceef7d5f0126c309a87062cf413fe0a25" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tidley/my_ip_rust
[INFO] finished tweaking git repo https://github.com/tidley/my_ip_rust
[INFO] tweaked toml for git repo https://github.com/tidley/my_ip_rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/tidley/my_ip_rust 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" "+c1feb3eceef7d5f0126c309a87062cf413fe0a25" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c1feb3eceef7d5f0126c309a87062cf413fe0a25" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e29d06fa9385545d11cb5b8885bbfc4d45eb1a4f6a68d5168a7fecde347ec6e5
[INFO] running `Command { std: "docker" "start" "-a" "e29d06fa9385545d11cb5b8885bbfc4d45eb1a4f6a68d5168a7fecde347ec6e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e29d06fa9385545d11cb5b8885bbfc4d45eb1a4f6a68d5168a7fecde347ec6e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e29d06fa9385545d11cb5b8885bbfc4d45eb1a4f6a68d5168a7fecde347ec6e5", kill_on_drop: false }`
[INFO] [stdout] e29d06fa9385545d11cb5b8885bbfc4d45eb1a4f6a68d5168a7fecde347ec6e5
[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=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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c1feb3eceef7d5f0126c309a87062cf413fe0a25" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7c275a3741d7e5cc058fc51cb5146df7f13b8dd1272e6803f527f8ce643b4de
[INFO] running `Command { std: "docker" "start" "-a" "d7c275a3741d7e5cc058fc51cb5146df7f13b8dd1272e6803f527f8ce643b4de", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling serde_derive v1.0.155
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling serde v1.0.155
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling toml_datetime v0.6.1
[INFO] [stderr]    Compiling winnow v0.3.5
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling thiserror v1.0.39
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]    Compiling futures-core v0.3.27
[INFO] [stderr]     Checking cpufeatures v0.2.5
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking zeroize v1.5.7
[INFO] [stderr]    Compiling futures-channel v0.3.27
[INFO] [stderr]     Checking futures-sink v0.3.27
[INFO] [stderr]    Compiling futures-task v0.3.27
[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] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]     Checking base64ct v1.6.0
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling futures-util v0.3.27
[INFO] [stderr]    Compiling io-lifetimes v1.0.6
[INFO] [stderr]    Compiling tokio v1.26.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking futures-io v0.3.27
[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]    Compiling cc v1.0.79
[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" "d7c275a3741d7e5cc058fc51cb5146df7f13b8dd1272e6803f527f8ce643b4de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7c275a3741d7e5cc058fc51cb5146df7f13b8dd1272e6803f527f8ce643b4de", kill_on_drop: false }`
[INFO] [stdout] d7c275a3741d7e5cc058fc51cb5146df7f13b8dd1272e6803f527f8ce643b4de