[INFO] cloning repository https://github.com/Artentus/softpipe
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Artentus/softpipe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArtentus%2Fsoftpipe", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArtentus%2Fsoftpipe'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5f118497a63016b5b46fb33b20ff5a3d6da670e4
[INFO] checking Artentus/softpipe against try#863511eff87e66198b396935f3b5c8a543022f53 for pr-139493-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArtentus%2Fsoftpipe" "/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/Artentus/softpipe
[INFO] finished tweaking git repo https://github.com/Artentus/softpipe
[INFO] tweaked toml for git repo https://github.com/Artentus/softpipe written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Artentus/softpipe on toolchain 863511eff87e66198b396935f3b5c8a543022f53
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+863511eff87e66198b396935f3b5c8a543022f53" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Artentus/softpipe 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" "+863511eff87e66198b396935f3b5c8a543022f53" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+863511eff87e66198b396935f3b5c8a543022f53" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 16790f73723586f8b2a197636f7095a2d2fe69eb428ae9370873e00d1f4b3f68
[INFO] running `Command { std: "docker" "start" "-a" "16790f73723586f8b2a197636f7095a2d2fe69eb428ae9370873e00d1f4b3f68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16790f73723586f8b2a197636f7095a2d2fe69eb428ae9370873e00d1f4b3f68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16790f73723586f8b2a197636f7095a2d2fe69eb428ae9370873e00d1f4b3f68", kill_on_drop: false }`
[INFO] [stdout] 16790f73723586f8b2a197636f7095a2d2fe69eb428ae9370873e00d1f4b3f68
[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" "+863511eff87e66198b396935f3b5c8a543022f53" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1565f967f0acca9e143018fe51b40b2b29e98e328155ef51ac0b2494b06e1ed0
[INFO] running `Command { std: "docker" "start" "-a" "1565f967f0acca9e143018fe51b40b2b29e98e328155ef51ac0b2494b06e1ed0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking libloading v0.7.4
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.51/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 lock_api v0.4.9
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling thiserror v1.0.38
[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" "1565f967f0acca9e143018fe51b40b2b29e98e328155ef51ac0b2494b06e1ed0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1565f967f0acca9e143018fe51b40b2b29e98e328155ef51ac0b2494b06e1ed0", kill_on_drop: false }`
[INFO] [stdout] 1565f967f0acca9e143018fe51b40b2b29e98e328155ef51ac0b2494b06e1ed0
