[INFO] cloning repository https://github.com/rbrtrss/minimal_warp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rbrtrss/minimal_warp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frbrtrss%2Fminimal_warp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frbrtrss%2Fminimal_warp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 34d8bf531a790fea37e1b5ce00560e4dcd300b4c
[INFO] checking rbrtrss/minimal_warp against try#8e819ff5434466e9a823e03871a1775ac7d84ddf for pr-156027
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frbrtrss%2Fminimal_warp" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rbrtrss/minimal_warp
[INFO] finished tweaking git repo https://github.com/rbrtrss/minimal_warp
[INFO] tweaked toml for git repo https://github.com/rbrtrss/minimal_warp written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rbrtrss/minimal_warp on toolchain 8e819ff5434466e9a823e03871a1775ac7d84ddf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8e819ff5434466e9a823e03871a1775ac7d84ddf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rbrtrss/minimal_warp 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" "+8e819ff5434466e9a823e03871a1775ac7d84ddf" "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 tokio-tungstenite v0.17.2
[INFO] [stderr]   Downloaded warp v0.3.3
[INFO] [stderr]   Downloaded thiserror-impl v1.0.38
[INFO] [stderr]   Downloaded rustls-pemfile v0.2.1
[INFO] [stderr]   Downloaded sqlx-rt v0.5.13
[INFO] [stderr]   Downloaded whoami v1.3.0
[INFO] [stderr]   Downloaded thiserror v1.0.38
[INFO] [stderr]   Downloaded atoi v0.4.0
[INFO] [stderr]   Downloaded sqlx-macros v0.5.13
[INFO] [stderr]   Downloaded crc v2.1.0
[INFO] [stderr]   Downloaded crc-catalog v1.1.1
[INFO] [stderr]   Downloaded tungstenite v0.17.3
[INFO] [stderr]   Downloaded crossbeam-queue v0.3.8
[INFO] [stderr]   Downloaded multipart v0.18.0
[INFO] [stderr]   Downloaded hashlink v0.7.0
[INFO] [stderr]   Downloaded tokio-util v0.7.7
[INFO] [stderr]   Downloaded sqlx v0.5.13
[INFO] [stderr]   Downloaded futures-intrusive v0.4.2
[INFO] [stderr]   Downloaded unicode-segmentation v1.10.1
[INFO] [stderr]   Downloaded serde_json v1.0.93
[INFO] [stderr]   Downloaded webpki-roots v0.21.1
[INFO] [stderr]   Downloaded syn v1.0.108
[INFO] [stderr]   Downloaded sqlx-core v0.5.13
[INFO] [stderr]   Downloaded tokio v1.25.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+8e819ff5434466e9a823e03871a1775ac7d84ddf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 202e15872c387ec0a72cc26a0274bd234eb566201e7be08253abf8ee3802ab1b
[INFO] running `Command { std: "docker" "start" "-a" "202e15872c387ec0a72cc26a0274bd234eb566201e7be08253abf8ee3802ab1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "202e15872c387ec0a72cc26a0274bd234eb566201e7be08253abf8ee3802ab1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "202e15872c387ec0a72cc26a0274bd234eb566201e7be08253abf8ee3802ab1b", kill_on_drop: false }`
[INFO] [stdout] 202e15872c387ec0a72cc26a0274bd234eb566201e7be08253abf8ee3802ab1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+8e819ff5434466e9a823e03871a1775ac7d84ddf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32179e8a65e97caacaf7587ead980ff46cfeace4228e49321b6850316b300ac2
[INFO] running `Command { std: "docker" "start" "-a" "32179e8a65e97caacaf7587ead980ff46cfeace4228e49321b6850316b300ac2", 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 v1.0.108
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling futures-core v0.3.26
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling tokio v1.25.0
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling spin v0.5.2
[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] 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]     Checking tinyvec v1.6.0
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking cpufeatures v0.2.5
[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" "32179e8a65e97caacaf7587ead980ff46cfeace4228e49321b6850316b300ac2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32179e8a65e97caacaf7587ead980ff46cfeace4228e49321b6850316b300ac2", kill_on_drop: false }`
[INFO] [stdout] 32179e8a65e97caacaf7587ead980ff46cfeace4228e49321b6850316b300ac2
