[INFO] cloning repository https://github.com/saevarb/prism
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/saevarb/prism" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaevarb%2Fprism", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaevarb%2Fprism'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c9b87d7366d7ee5cd16a8e77bcd3c235196a82b6
[INFO] checking saevarb/prism against try#342ed2e8608ee307743c341962b427652cdb06e9 for pr-146562
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaevarb%2Fprism" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/saevarb/prism
[INFO] finished tweaking git repo https://github.com/saevarb/prism
[INFO] tweaked toml for git repo https://github.com/saevarb/prism written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/saevarb/prism on toolchain 342ed2e8608ee307743c341962b427652cdb06e9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+342ed2e8608ee307743c341962b427652cdb06e9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/saevarb/prism 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" "+342ed2e8608ee307743c341962b427652cdb06e9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded signal-child v1.0.5
[INFO] [stderr]   Downloaded ansi-to-tui v2.0.0
[INFO] [stderr]   Downloaded ctrlc v3.2.3
[INFO] [stderr]   Downloaded crossterm_winapi v0.9.0
[INFO] [stderr]   Downloaded clap_derive v4.0.10
[INFO] [stderr]   Downloaded crossterm v0.25.0
[INFO] [stderr]   Downloaded unicode-segmentation v1.10.0
[INFO] [stderr]   Downloaded nix v0.25.0
[INFO] [stderr]   Downloaded clap v4.0.11
[INFO] [stderr]   Downloaded tui v0.19.0
[INFO] [stderr]   Downloaded timeout-readwrite v0.3.2
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+342ed2e8608ee307743c341962b427652cdb06e9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b7c71eb0109853c0b6cef989cc37d3380b4d8e293a5504bad3c909f58dacbdd
[INFO] running `Command { std: "docker" "start" "-a" "2b7c71eb0109853c0b6cef989cc37d3380b4d8e293a5504bad3c909f58dacbdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b7c71eb0109853c0b6cef989cc37d3380b4d8e293a5504bad3c909f58dacbdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b7c71eb0109853c0b6cef989cc37d3380b4d8e293a5504bad3c909f58dacbdd", kill_on_drop: false }`
[INFO] [stdout] 2b7c71eb0109853c0b6cef989cc37d3380b4d8e293a5504bad3c909f58dacbdd
[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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+342ed2e8608ee307743c341962b427652cdb06e9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0ad3722f80f0a95d288a614c114722fd6060c0d09741a1b57460f99a8701d74
[INFO] running `Command { std: "docker" "start" "-a" "a0ad3722f80f0a95d288a614c114722fd6060c0d09741a1b57460f99a8701d74", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.134
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.102
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling signal-hook v0.3.14
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]     Checking aho-corasick v0.7.19
[INFO] [stderr]     Checking os_str_bytes v6.3.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.46/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 unicode-segmentation v1.10.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "a0ad3722f80f0a95d288a614c114722fd6060c0d09741a1b57460f99a8701d74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0ad3722f80f0a95d288a614c114722fd6060c0d09741a1b57460f99a8701d74", kill_on_drop: false }`
[INFO] [stdout] a0ad3722f80f0a95d288a614c114722fd6060c0d09741a1b57460f99a8701d74