[INFO] fetching crate salzweg 0.1.4... [INFO] building salzweg-0.1.4 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2 [INFO] extracting crate salzweg 0.1.4 into /workspace/builds/worker-6-tc1/source [INFO] started tweaking crates.io crate salzweg 0.1.4 [INFO] finished tweaking crates.io crate salzweg 0.1.4 [INFO] tweaked toml for crates.io crate salzweg 0.1.4 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate salzweg 0.1.4 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate salzweg 0.1.4 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded itoa v1.0.4 [INFO] [stderr] Downloaded plotters-svg v0.3.3 [INFO] [stderr] Downloaded ciborium-io v0.2.0 [INFO] [stderr] Downloaded ciborium-ll v0.2.0 [INFO] [stderr] Downloaded oorandom v11.1.3 [INFO] [stderr] Downloaded plotters-backend v0.3.4 [INFO] [stderr] Downloaded ciborium v0.2.0 [INFO] [stderr] Downloaded once_cell v1.15.0 [INFO] [stderr] Downloaded crossbeam-utils v0.8.12 [INFO] [stderr] Downloaded serde v1.0.147 [INFO] [stderr] Downloaded png v0.17.6 [INFO] [stderr] Downloaded rayon-core v1.9.3 [INFO] [stderr] Downloaded plotters v0.3.4 [INFO] [stderr] Downloaded rayon v1.5.3 [INFO] [stderr] Downloaded proc-macro2 v1.0.47 [INFO] [stderr] Downloaded serde_json v1.0.87 [INFO] [stderr] Downloaded clap v3.2.23 [INFO] [stderr] Downloaded crossbeam-epoch v0.9.11 [INFO] [stderr] Downloaded serde_derive v1.0.147 [INFO] [stderr] Downloaded libc v0.2.136 [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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] aeac5a8ca8b43ae76f60f1b6ecf43ce2730645154fc7dbd382e20c610376e186 [INFO] running `Command { std: "docker" "start" "-a" "aeac5a8ca8b43ae76f60f1b6ecf43ce2730645154fc7dbd382e20c610376e186", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "aeac5a8ca8b43ae76f60f1b6ecf43ce2730645154fc7dbd382e20c610376e186", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aeac5a8ca8b43ae76f60f1b6ecf43ce2730645154fc7dbd382e20c610376e186", kill_on_drop: false }` [INFO] [stdout] aeac5a8ca8b43ae76f60f1b6ecf43ce2730645154fc7dbd382e20c610376e186 [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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 12ecf1f49af5a498c18b210607b41aaf8ec67efe8e1ecefcdf32dd71c06867a1 [INFO] running `Command { std: "docker" "start" "-a" "12ecf1f49af5a498c18b210607b41aaf8ec67efe8e1ecefcdf32dd71c06867a1", kill_on_drop: false }` [INFO] [stderr] Compiling salzweg v0.1.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/io.rs:6:13 [INFO] [stdout] | [INFO] [stdout] 6 | fn iter(&mut self, amount: u8) -> BitReaderIterator { [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 6 | fn iter(&mut self, amount: u8) -> BitReaderIterator<'_, Self> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.51s [INFO] running `Command { std: "docker" "inspect" "12ecf1f49af5a498c18b210607b41aaf8ec67efe8e1ecefcdf32dd71c06867a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "12ecf1f49af5a498c18b210607b41aaf8ec67efe8e1ecefcdf32dd71c06867a1", kill_on_drop: false }` [INFO] [stdout] 12ecf1f49af5a498c18b210607b41aaf8ec67efe8e1ecefcdf32dd71c06867a1 [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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 00ae3bd43e7a891b817ba287f86fb19c00fff33da3ba2a8a5d6ff8ed4bb4ddc3 [INFO] running `Command { std: "docker" "start" "-a" "00ae3bd43e7a891b817ba287f86fb19c00fff33da3ba2a8a5d6ff8ed4bb4ddc3", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.47 [INFO] [stderr] Compiling quote v1.0.21 [INFO] [stderr] Compiling crossbeam-utils v0.8.12 [INFO] [stderr] Compiling syn v1.0.103 [INFO] [stderr] Compiling libc v0.2.136 [INFO] [stderr] Compiling serde_derive v1.0.147 [INFO] [stderr] Compiling crossbeam-epoch v0.9.11 [INFO] [stderr] Compiling serde v1.0.147 [INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.47/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 rayon-core v1.9.3 [INFO] [stderr] Compiling indexmap v1.9.1 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling crc32fast v1.3.2 [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" "00ae3bd43e7a891b817ba287f86fb19c00fff33da3ba2a8a5d6ff8ed4bb4ddc3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "00ae3bd43e7a891b817ba287f86fb19c00fff33da3ba2a8a5d6ff8ed4bb4ddc3", kill_on_drop: false }` [INFO] [stdout] 00ae3bd43e7a891b817ba287f86fb19c00fff33da3ba2a8a5d6ff8ed4bb4ddc3