[INFO] cloning repository https://github.com/randombenj/lin-os
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/randombenj/lin-os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frandombenj%2Flin-os", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frandombenj%2Flin-os'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c28baf49e8aa876a1c9a3def7146644e140f2e9d
[INFO] checking randombenj/lin-os against try#84addd32a13fa2d3f62fe5d99031611147b7fb13 for pr-147565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frandombenj%2Flin-os" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/randombenj/lin-os
[INFO] finished tweaking git repo https://github.com/randombenj/lin-os
[INFO] tweaked toml for git repo https://github.com/randombenj/lin-os written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/randombenj/lin-os on toolchain 84addd32a13fa2d3f62fe5d99031611147b7fb13
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+84addd32a13fa2d3f62fe5d99031611147b7fb13" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/randombenj/lin-os 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" "+84addd32a13fa2d3f62fe5d99031611147b7fb13" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pnet v0.33.0
[INFO] [stderr]   Downloaded no-std-net v0.6.0
[INFO] [stderr]   Downloaded pnet_transport v0.33.0
[INFO] [stderr]   Downloaded getrandom v0.2.9
[INFO] [stderr]   Downloaded dhcproto-macros v0.1.0
[INFO] [stderr]   Downloaded pnet_sys v0.33.0
[INFO] [stderr]   Downloaded pnet_base v0.33.0
[INFO] [stderr]   Downloaded pnet_macros_support v0.33.0
[INFO] [stderr]   Downloaded pnet_datalink v0.33.0
[INFO] [stderr]   Downloaded io-lifetimes v1.0.10
[INFO] [stderr]   Downloaded tracing-attributes v0.1.24
[INFO] [stderr]   Downloaded dhcproto v0.9.0
[INFO] [stderr]   Downloaded serde v1.0.163
[INFO] [stderr]   Downloaded proc-macro2 v1.0.58
[INFO] [stderr]   Downloaded pnet_macros v0.33.0
[INFO] [stderr]   Downloaded quote v1.0.27
[INFO] [stderr]   Downloaded pnet_packet v0.33.0
[INFO] [stderr]   Downloaded aho-corasick v1.0.1
[INFO] [stderr]   Downloaded ipnetwork v0.20.0
[INFO] [stderr]   Downloaded syn v2.0.16
[INFO] [stderr]   Downloaded regex v1.8.1
[INFO] [stderr]   Downloaded nix v0.26.2
[INFO] [stderr]   Downloaded rustix v0.37.19
[INFO] [stderr]   Downloaded regex-syntax v0.7.1
[INFO] [stderr]   Downloaded libc v0.2.144
[INFO] [stderr]   Downloaded linux-raw-sys v0.3.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+84addd32a13fa2d3f62fe5d99031611147b7fb13" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 901ee7092d48027636d8ce4eb53994aabffa6cd12de8d4b7c1216344042bba96
[INFO] running `Command { std: "docker" "start" "-a" "901ee7092d48027636d8ce4eb53994aabffa6cd12de8d4b7c1216344042bba96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "901ee7092d48027636d8ce4eb53994aabffa6cd12de8d4b7c1216344042bba96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "901ee7092d48027636d8ce4eb53994aabffa6cd12de8d4b7c1216344042bba96", kill_on_drop: false }`
[INFO] [stdout] 901ee7092d48027636d8ce4eb53994aabffa6cd12de8d4b7c1216344042bba96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+84addd32a13fa2d3f62fe5d99031611147b7fb13" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] acadc46fc7f7cc36b53efea69b9fe13001575a981f5e0e7c4919c92ce984b840
[INFO] running `Command { std: "docker" "start" "-a" "acadc46fc7f7cc36b53efea69b9fe13001575a981f5e0e7c4919c92ce984b840", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling proc-macro2 v1.0.58
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.27
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]     Checking no-std-net v0.6.0
[INFO] [stderr]    Compiling serde v1.0.163
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling regex-syntax v0.7.1
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]    Compiling io-lifetimes v1.0.10
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling async-trait v0.1.68
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking pnet_base v0.33.0
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking percent-encoding v2.2.0
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.58/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 thiserror v1.0.40
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling rustix v0.37.19
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stderr]     Checking pnet_macros_support v0.33.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking matches v0.1.10
[INFO] [stderr]     Checking linux-raw-sys v0.3.7
[INFO] [stderr]     Checking ipnet v2.7.2
[INFO] [stderr]     Checking futures-io v0.3.28
[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 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "acadc46fc7f7cc36b53efea69b9fe13001575a981f5e0e7c4919c92ce984b840", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acadc46fc7f7cc36b53efea69b9fe13001575a981f5e0e7c4919c92ce984b840", kill_on_drop: false }`
[INFO] [stdout] acadc46fc7f7cc36b53efea69b9fe13001575a981f5e0e7c4919c92ce984b840