[INFO] cloning repository https://github.com/Internal-Compiler-Error/isc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Internal-Compiler-Error/isc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FInternal-Compiler-Error%2Fisc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FInternal-Compiler-Error%2Fisc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6dd69205dc6390c66728bdaf21d5d95d69f71035
[INFO] checking Internal-Compiler-Error/isc against 4a9d5368df6450bbd2fc8dde4508c3e5d83bb19d for pr-159598
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FInternal-Compiler-Error%2Fisc" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Internal-Compiler-Error/isc
[INFO] finished tweaking git repo https://github.com/Internal-Compiler-Error/isc
[INFO] tweaked toml for git repo https://github.com/Internal-Compiler-Error/isc written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Internal-Compiler-Error/isc on toolchain 4a9d5368df6450bbd2fc8dde4508c3e5d83bb19d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4a9d5368df6450bbd2fc8dde4508c3e5d83bb19d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Internal-Compiler-Error/isc 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" "+4a9d5368df6450bbd2fc8dde4508c3e5d83bb19d" "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 terminal_size v0.2.5
[INFO] [stderr]   Downloaded syn v2.0.10
[INFO] [stderr]   Downloaded color-spantrace v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:00c5645b54fe3ce5dae1417175e3c7fb6a6646c021d554ecd63a097b8b9f3602" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 1a171665285e04506ff6a29afc5b1231571e8e2b2ffd92659da6badc8beb167c
[INFO] running `Command { std: "docker" "start" "1a171665285e04506ff6a29afc5b1231571e8e2b2ffd92659da6badc8beb167c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a171665285e04506ff6a29afc5b1231571e8e2b2ffd92659da6badc8beb167c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1a171665285e04506ff6a29afc5b1231571e8e2b2ffd92659da6badc8beb167c" "/opt/rustwide/cargo-home/bin/cargo" "+4a9d5368df6450bbd2fc8dde4508c3e5d83bb19d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a171665285e04506ff6a29afc5b1231571e8e2b2ffd92659da6badc8beb167c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1a171665285e04506ff6a29afc5b1231571e8e2b2ffd92659da6badc8beb167c" "/opt/rustwide/cargo-home/bin/cargo" "+4a9d5368df6450bbd2fc8dde4508c3e5d83bb19d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.53
[INFO] [stderr]    Compiling futures-core v0.3.27
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling futures-task v0.3.27
[INFO] [stderr]    Compiling rustix v0.36.11
[INFO] [stderr]    Compiling futures-channel v0.3.27
[INFO] [stderr]     Checking io-lifetimes v1.0.9
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]    Compiling futures-util v0.3.27
[INFO] [stderr]     Checking futures-sink v0.3.27
[INFO] [stderr]     Checking linux-raw-sys v0.1.4
[INFO] [stderr]    Compiling backtrace v0.3.67
[INFO] [stderr]    Compiling sha2-asm v0.6.2
[INFO] [stderr]     Checking gimli v0.27.2
[INFO] [stderr]     Checking futures-io v0.3.27
[INFO] [stderr]    Compiling eyre v0.6.8
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]     Checking digest v0.10.6
[INFO] [stderr]     Checking object v0.30.3
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.53/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a feature with a similar name: `proc_macro_span_file`
[INFO] [stdout]    |
[INFO] [stdout] 92 -     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout] 92 +     feature(proc_macro_span, proc_macro_span_file)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tokio v1.26.0
[INFO] [stderr]     Checking os_str_bytes v6.5.0
[INFO] [stderr]     Checking rustc-demangle v0.1.22
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking owo-colors v3.5.0
[INFO] [stderr]     Checking rayon-core v1.11.0
[INFO] [stderr]     Checking sha3 v0.10.6
[INFO] [stderr]     Checking tracing-subscriber v0.3.16
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking clap_lex v0.3.3
[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" "1a171665285e04506ff6a29afc5b1231571e8e2b2ffd92659da6badc8beb167c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a171665285e04506ff6a29afc5b1231571e8e2b2ffd92659da6badc8beb167c", kill_on_drop: false }`
[INFO] [stdout] 1a171665285e04506ff6a29afc5b1231571e8e2b2ffd92659da6badc8beb167c
