[INFO] cloning repository https://github.com/0xwhiz/rust-tutorials
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0xwhiz/rust-tutorials" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xwhiz%2Frust-tutorials", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xwhiz%2Frust-tutorials'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 23e577badbd48ae12a6a2e407f1a74263b1219a0
[INFO] checking 0xwhiz/rust-tutorials against master#90b65889799733f21ebdf59d96411aa531c5900a for pr-148477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xwhiz%2Frust-tutorials" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/0xwhiz/rust-tutorials
[INFO] finished tweaking git repo https://github.com/0xwhiz/rust-tutorials
[INFO] tweaked toml for git repo https://github.com/0xwhiz/rust-tutorials written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/0xwhiz/rust-tutorials on toolchain 90b65889799733f21ebdf59d96411aa531c5900a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+90b65889799733f21ebdf59d96411aa531c5900a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/0xwhiz/rust-tutorials 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" "+90b65889799733f21ebdf59d96411aa531c5900a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+90b65889799733f21ebdf59d96411aa531c5900a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e8900c5fbd560b8bd77395fa7d5e8b87c61a9476a424f486bc5a137092fee0e
[INFO] running `Command { std: "docker" "start" "-a" "3e8900c5fbd560b8bd77395fa7d5e8b87c61a9476a424f486bc5a137092fee0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e8900c5fbd560b8bd77395fa7d5e8b87c61a9476a424f486bc5a137092fee0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e8900c5fbd560b8bd77395fa7d5e8b87c61a9476a424f486bc5a137092fee0e", kill_on_drop: false }`
[INFO] [stdout] 3e8900c5fbd560b8bd77395fa7d5e8b87c61a9476a424f486bc5a137092fee0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+90b65889799733f21ebdf59d96411aa531c5900a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0071880f2d6423c7b76e4b7bbe8fa3d894cc6a6469a0899d5a35c67aef0c3e91
[INFO] running `Command { std: "docker" "start" "-a" "0071880f2d6423c7b76e4b7bbe8fa3d894cc6a6469a0899d5a35c67aef0c3e91", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling proc-macro2 v1.0.52
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling futures-core v0.3.27
[INFO] [stderr]    Compiling tokio v1.26.0
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling serde_derive v1.0.156
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling serde v1.0.156
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]    Compiling futures-task v0.3.27
[INFO] [stderr]    Compiling openssl v0.10.46
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.52/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 ahash v0.7.6
[INFO] [stderr]    Compiling futures-util v0.3.27
[INFO] [stderr]     Checking futures-sink v0.3.27
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling paste v1.0.12
[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" "0071880f2d6423c7b76e4b7bbe8fa3d894cc6a6469a0899d5a35c67aef0c3e91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0071880f2d6423c7b76e4b7bbe8fa3d894cc6a6469a0899d5a35c67aef0c3e91", kill_on_drop: false }`
[INFO] [stdout] 0071880f2d6423c7b76e4b7bbe8fa3d894cc6a6469a0899d5a35c67aef0c3e91
