[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#04ff05c9c0cfbca33115c5f1b8bb20a66a54b799 for pr-147834
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xwhiz%2Frust-tutorials" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-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-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/0xwhiz/rust-tutorials on toolchain 04ff05c9c0cfbca33115c5f1b8bb20a66a54b799
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+04ff05c9c0cfbca33115c5f1b8bb20a66a54b799" "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" "+04ff05c9c0cfbca33115c5f1b8bb20a66a54b799" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tempfile v3.4.0
[INFO] [stderr]   Downloaded sqlx-rt v0.5.13
[INFO] [stderr]   Downloaded borsh-derive v0.9.1
[INFO] [stderr]   Downloaded atoi v0.4.0
[INFO] [stderr]   Downloaded thiserror-impl v1.0.39
[INFO] [stderr]   Downloaded borsh v0.9.1
[INFO] [stderr]   Downloaded borsh-derive-internal v0.9.1
[INFO] [stderr]   Downloaded zstd-safe v6.0.4+zstd.1.5.4
[INFO] [stderr]   Downloaded serde_derive v1.0.156
[INFO] [stderr]   Downloaded serde v1.0.156
[INFO] [stderr]   Downloaded openssl-sys v0.9.81
[INFO] [stderr]   Downloaded thiserror v1.0.39
[INFO] [stderr]   Downloaded futures-util v0.3.27
[INFO] [stderr]   Downloaded serde_json v1.0.94
[INFO] [stderr]   Downloaded h2 v0.3.16
[INFO] [stderr]   Downloaded unicode-bidi v0.3.11
[INFO] [stderr]   Downloaded sqlx v0.5.13
[INFO] [stderr]   Downloaded crc v2.1.0
[INFO] [stderr]   Downloaded openssl v0.10.46
[INFO] [stderr]   Downloaded futures-channel v0.3.27
[INFO] [stderr]   Downloaded sqlx-core v0.5.13
[INFO] [stderr]   Downloaded rustix v0.36.9
[INFO] [stderr]   Downloaded sqlformat v0.1.8
[INFO] [stderr]   Downloaded io-lifetimes v1.0.6
[INFO] [stderr]   Downloaded borsh-schema-derive-internal v0.9.1
[INFO] [stderr]   Downloaded crc-catalog v1.1.1
[INFO] [stderr]   Downloaded hashlink v0.7.0
[INFO] [stderr]   Downloaded futures-task v0.3.27
[INFO] [stderr]   Downloaded sqlx-macros v0.5.13
[INFO] [stderr]   Downloaded zstd-sys v2.0.7+zstd.1.5.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+04ff05c9c0cfbca33115c5f1b8bb20a66a54b799" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02540338c4e37a5c3841bf13fcff30352b5edc9f827e9918b6f9506f70ea8f80
[INFO] running `Command { std: "docker" "start" "-a" "02540338c4e37a5c3841bf13fcff30352b5edc9f827e9918b6f9506f70ea8f80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02540338c4e37a5c3841bf13fcff30352b5edc9f827e9918b6f9506f70ea8f80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02540338c4e37a5c3841bf13fcff30352b5edc9f827e9918b6f9506f70ea8f80", kill_on_drop: false }`
[INFO] [stdout] 02540338c4e37a5c3841bf13fcff30352b5edc9f827e9918b6f9506f70ea8f80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+04ff05c9c0cfbca33115c5f1b8bb20a66a54b799" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c30aac08ebe8812bfc1e728935236fafaad42b341882e27910adbcd7cc8babd
[INFO] running `Command { std: "docker" "start" "-a" "6c30aac08ebe8812bfc1e728935236fafaad42b341882e27910adbcd7cc8babd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling proc-macro2 v1.0.52
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[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 typenum v1.16.0
[INFO] [stderr]    Compiling generic-array v0.14.6
[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] [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]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling serde_derive v1.0.156
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde v1.0.156
[INFO] [stderr]     Checking smallvec v1.10.0
[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" "6c30aac08ebe8812bfc1e728935236fafaad42b341882e27910adbcd7cc8babd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c30aac08ebe8812bfc1e728935236fafaad42b341882e27910adbcd7cc8babd", kill_on_drop: false }`
[INFO] [stdout] 6c30aac08ebe8812bfc1e728935236fafaad42b341882e27910adbcd7cc8babd
