[INFO] fetching crate nxyz 1.0.0...
[INFO] checking nxyz-1.0.0 against try#31561a63598a0f21fc74c024747ef1310fdd2eb2 for pr-133536
[INFO] extracting crate nxyz 1.0.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate nxyz 1.0.0 on toolchain 31561a63598a0f21fc74c024747ef1310fdd2eb2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nxyz 1.0.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate nxyz 1.0.0
[INFO] tweaked toml for crates.io crate nxyz 1.0.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate nxyz 1.0.0 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" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: example.0.plugin
[INFO] [stderr] warning: unused manifest key: example.1.plugin
[INFO] [stderr] warning: unused manifest key: example.10.plugin
[INFO] [stderr] warning: unused manifest key: example.11.plugin
[INFO] [stderr] warning: unused manifest key: example.12.plugin
[INFO] [stderr] warning: unused manifest key: example.13.plugin
[INFO] [stderr] warning: unused manifest key: example.14.plugin
[INFO] [stderr] warning: unused manifest key: example.15.plugin
[INFO] [stderr] warning: unused manifest key: example.16.plugin
[INFO] [stderr] warning: unused manifest key: example.17.plugin
[INFO] [stderr] warning: unused manifest key: example.18.plugin
[INFO] [stderr] warning: unused manifest key: example.19.plugin
[INFO] [stderr] warning: unused manifest key: example.2.plugin
[INFO] [stderr] warning: unused manifest key: example.20.plugin
[INFO] [stderr] warning: unused manifest key: example.21.plugin
[INFO] [stderr] warning: unused manifest key: example.22.plugin
[INFO] [stderr] warning: unused manifest key: example.23.plugin
[INFO] [stderr] warning: unused manifest key: example.24.plugin
[INFO] [stderr] warning: unused manifest key: example.25.plugin
[INFO] [stderr] warning: unused manifest key: example.26.plugin
[INFO] [stderr] warning: unused manifest key: example.3.plugin
[INFO] [stderr] warning: unused manifest key: example.4.plugin
[INFO] [stderr] warning: unused manifest key: example.5.plugin
[INFO] [stderr] warning: unused manifest key: example.6.plugin
[INFO] [stderr] warning: unused manifest key: example.7.plugin
[INFO] [stderr] warning: unused manifest key: example.8.plugin
[INFO] [stderr] warning: unused manifest key: example.9.plugin
[INFO] [stderr] warning: unused manifest key: lib.plugin
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e9904a0aed157e305d5d4c429bc288a4937cd77911c3b9969e25b53a5cd5f73a
[INFO] running `Command { std: "docker" "start" "-a" "e9904a0aed157e305d5d4c429bc288a4937cd77911c3b9969e25b53a5cd5f73a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9904a0aed157e305d5d4c429bc288a4937cd77911c3b9969e25b53a5cd5f73a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9904a0aed157e305d5d4c429bc288a4937cd77911c3b9969e25b53a5cd5f73a", kill_on_drop: false }`
[INFO] [stdout] e9904a0aed157e305d5d4c429bc288a4937cd77911c3b9969e25b53a5cd5f73a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ae487858f3f621ceafcd74433ee87cd9687f7e345f5574c0212d060f18cdd62
[INFO] running `Command { std: "docker" "start" "-a" "8ae487858f3f621ceafcd74433ee87cd9687f7e345f5574c0212d060f18cdd62", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: example.0.plugin
[INFO] [stderr] warning: unused manifest key: example.1.plugin
[INFO] [stderr] warning: unused manifest key: example.10.plugin
[INFO] [stderr] warning: unused manifest key: example.11.plugin
[INFO] [stderr] warning: unused manifest key: example.12.plugin
[INFO] [stderr] warning: unused manifest key: example.13.plugin
[INFO] [stderr] warning: unused manifest key: example.14.plugin
[INFO] [stderr] warning: unused manifest key: example.15.plugin
[INFO] [stderr] warning: unused manifest key: example.16.plugin
[INFO] [stderr] warning: unused manifest key: example.17.plugin
[INFO] [stderr] warning: unused manifest key: example.18.plugin
[INFO] [stderr] warning: unused manifest key: example.19.plugin
[INFO] [stderr] warning: unused manifest key: example.2.plugin
[INFO] [stderr] warning: unused manifest key: example.20.plugin
[INFO] [stderr] warning: unused manifest key: example.21.plugin
[INFO] [stderr] warning: unused manifest key: example.22.plugin
[INFO] [stderr] warning: unused manifest key: example.23.plugin
[INFO] [stderr] warning: unused manifest key: example.24.plugin
[INFO] [stderr] warning: unused manifest key: example.25.plugin
[INFO] [stderr] warning: unused manifest key: example.26.plugin
[INFO] [stderr] warning: unused manifest key: example.3.plugin
[INFO] [stderr] warning: unused manifest key: example.4.plugin
[INFO] [stderr] warning: unused manifest key: example.5.plugin
[INFO] [stderr] warning: unused manifest key: example.6.plugin
[INFO] [stderr] warning: unused manifest key: example.7.plugin
[INFO] [stderr] warning: unused manifest key: example.8.plugin
[INFO] [stderr] warning: unused manifest key: example.9.plugin
[INFO] [stderr] warning: unused manifest key: lib.plugin
[INFO] [stderr]    Compiling proc-macro2 v1.0.44
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling syn v1.0.100
[INFO] [stderr]    Compiling libc v0.2.133
[INFO] [stderr]     Checking once_cell v1.15.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling futures-core v0.3.24
[INFO] [stderr]    Compiling futures-task v0.3.24
[INFO] [stderr]    Compiling futures-channel v0.3.24
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]     Checking futures-sink v0.3.24
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]    Compiling futures-util v0.3.24
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]    Compiling tokio v1.21.1
[INFO] [stderr]     Checking futures-io v0.3.24
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]    Compiling serde_derive v1.0.145
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling rustls v0.20.6
[INFO] [stderr]     Checking tracing-core v0.1.29
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking tower-service v0.3.2
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]    Compiling async-trait v0.1.57
[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]    Compiling thiserror v1.0.35
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.44/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 httpdate v1.0.2
[INFO] [stderr]     Checking openssl-probe v0.1.5
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]    Compiling anyhow v1.0.65
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking rustls-pemfile v1.0.1
[INFO] [stderr]     Checking urlencoding v2.1.2
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking tracing v0.1.36
[INFO] [stderr]     Checking rustls-native-certs v0.6.2
[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" "8ae487858f3f621ceafcd74433ee87cd9687f7e345f5574c0212d060f18cdd62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ae487858f3f621ceafcd74433ee87cd9687f7e345f5574c0212d060f18cdd62", kill_on_drop: false }`
[INFO] [stdout] 8ae487858f3f621ceafcd74433ee87cd9687f7e345f5574c0212d060f18cdd62
