[INFO] cloning repository https://github.com/alexmaco/fpipe
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alexmaco/fpipe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexmaco%2Ffpipe", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexmaco%2Ffpipe'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ab668e1a10c20dc356b9188b9b41403c63471123
[INFO] checking alexmaco/fpipe/ab668e1a10c20dc356b9188b9b41403c63471123 against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexmaco%2Ffpipe" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alexmaco/fpipe on toolchain ff1737bb00913444173658b4e0b274fd79aabf66
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/alexmaco/fpipe
[INFO] finished tweaking git repo https://github.com/alexmaco/fpipe
[INFO] tweaked toml for git repo https://github.com/alexmaco/fpipe written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/alexmaco/fpipe 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" "+ff1737bb00913444173658b4e0b274fd79aabf66" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded predicates v3.0.1
[INFO] [stderr]   Downloaded concolor-clap v0.1.0
[INFO] [stderr]   Downloaded predicates-core v1.0.6
[INFO] [stderr]   Downloaded test_dir v0.2.0
[INFO] [stderr]   Downloaded concolor v0.1.1
[INFO] [stderr]   Downloaded clap_lex v0.3.3
[INFO] [stderr]   Downloaded os_str_bytes v6.5.0
[INFO] [stderr]   Downloaded predicates-tree v1.0.9
[INFO] [stderr]   Downloaded assert_cmd v2.0.10
[INFO] [stderr]   Downloaded clap_derive v4.1.12
[INFO] [stderr]   Downloaded proc-macro2 v1.0.53
[INFO] [stderr]   Downloaded serde v1.0.158
[INFO] [stderr]   Downloaded clap v4.1.13
[INFO] [stderr]   Downloaded syn v2.0.8
[INFO] [stderr]   Downloaded regex v1.7.2
[INFO] [stderr]   Downloaded bstr v1.4.0
[INFO] [stderr]   Downloaded tokio v1.26.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f14ec22e036aa3440c742d6167c1a221c2a25479123725d08c9795609f17070b
[INFO] running `Command { std: "docker" "start" "-a" "f14ec22e036aa3440c742d6167c1a221c2a25479123725d08c9795609f17070b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f14ec22e036aa3440c742d6167c1a221c2a25479123725d08c9795609f17070b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f14ec22e036aa3440c742d6167c1a221c2a25479123725d08c9795609f17070b", kill_on_drop: false }`
[INFO] [stdout] f14ec22e036aa3440c742d6167c1a221c2a25479123725d08c9795609f17070b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da6fbc354321470de261414b43a733632ec99a03d732b4cda5420409c89b0d4b
[INFO] running `Command { std: "docker" "start" "-a" "da6fbc354321470de261414b43a733632ec99a03d732b4cda5420409c89b0d4b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling proc-macro2 v1.0.53
[INFO] [stderr]    Compiling io-lifetimes v1.0.9
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling rustix v0.36.11
[INFO] [stderr]     Checking linux-raw-sys v0.1.4
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]     Checking os_str_bytes v6.5.0
[INFO] [stderr]    Compiling tokio v1.26.0
[INFO] [stderr]     Checking concolor-query v0.3.3
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking predicates-core v1.0.6
[INFO] [stderr]     Checking regex v1.7.2
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking anstyle v0.3.5
[INFO] [stderr]     Checking clap_lex v0.3.3
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]     Checking termtree v0.4.1
[INFO] [stderr]     Checking bstr v1.4.0
[INFO] [stderr]     Checking predicates-tree v1.0.9
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.53/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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" "da6fbc354321470de261414b43a733632ec99a03d732b4cda5420409c89b0d4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da6fbc354321470de261414b43a733632ec99a03d732b4cda5420409c89b0d4b", kill_on_drop: false }`
[INFO] [stdout] da6fbc354321470de261414b43a733632ec99a03d732b4cda5420409c89b0d4b