[INFO] fetching crate orcinus 0.3.0...
[INFO] testing orcinus-0.3.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate orcinus 0.3.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate orcinus 0.3.0
[INFO] finished tweaking crates.io crate orcinus 0.3.0
[INFO] tweaked toml for crates.io crate orcinus 0.3.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate orcinus 0.3.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate orcinus 0.3.0 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quote v1.0.21
[INFO] [stderr]   Downloaded thiserror-impl v1.0.37
[INFO] [stderr]   Downloaded thiserror v1.0.37
[INFO] [stderr]   Downloaded serde v1.0.147
[INFO] [stderr]   Downloaded bufstream v0.1.4
[INFO] [stderr]   Downloaded displaydoc v0.2.3
[INFO] [stderr]   Downloaded nom v7.1.1
[INFO] [stderr]   Downloaded pem-rfc7468 v0.3.1
[INFO] [stderr]   Downloaded async-trait v0.1.58
[INFO] [stderr]   Downloaded pkcs1 v0.3.3
[INFO] [stderr]   Downloaded toml v0.5.9
[INFO] [stderr]   Downloaded asn1-rs v0.5.1
[INFO] [stderr]   Downloaded libm v0.2.6
[INFO] [stderr]   Downloaded bb8 v0.8.0
[INFO] [stderr]   Downloaded crypto-bigint v0.3.2
[INFO] [stderr]   Downloaded indexmap v1.9.1
[INFO] [stderr]   Downloaded sct v0.7.0
[INFO] [stderr]   Downloaded tokio v1.21.2
[INFO] [stderr]   Downloaded libc v0.2.137
[INFO] [stderr]   Downloaded cc v1.0.76
[INFO] [stderr]   Downloaded num-integer v0.1.45
[INFO] [stderr]   Downloaded der-parser v8.1.0
[INFO] [stderr]   Downloaded scheduled-thread-pool v0.2.6
[INFO] [stderr]   Downloaded r2d2 v0.8.10
[INFO] [stderr]   Downloaded base64ct v1.5.3
[INFO] [stderr]   Downloaded num-bigint-dig v0.8.1
[INFO] [stderr]   Downloaded rsa v0.6.1
[INFO] [stderr]   Downloaded nias v0.5.0
[INFO] [stderr]   Downloaded rusty-hook v0.11.2
[INFO] [stderr]   Downloaded digest v0.10.5
[INFO] [stderr]   Downloaded num_cpus v1.14.0
[INFO] [stderr]   Downloaded parking_lot_core v0.9.4
[INFO] [stderr]   Downloaded webpki-roots v0.22.5
[INFO] [stderr]   Downloaded rustls v0.20.7
[INFO] [stderr]   Downloaded tokio-macros v1.8.0
[INFO] [stderr]   Downloaded oid-registry v0.6.0
[INFO] [stderr]   Downloaded getrandom v0.2.8
[INFO] [stderr]   Downloaded sha1 v0.10.5
[INFO] [stderr]   Downloaded webpki v0.22.0
[INFO] [stderr]   Downloaded syn v1.0.103
[INFO] [stderr]   Downloaded bytes v1.2.1
[INFO] [stderr]   Downloaded ci_info v0.10.2
[INFO] [stderr]   Downloaded proc-macro2 v1.0.47
[INFO] [stderr]   Downloaded itoa v1.0.4
[INFO] [stderr]   Downloaded unicode-ident v1.0.5
[INFO] [stderr]   Downloaded envmnt v0.8.4
[INFO] [stderr]   Downloaded fsio v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b50b77d1d717128bbeb1cc8dea8605188459e4d2c76f784cbc80125f620b1617
[INFO] running `Command { std: "docker" "start" "-a" "b50b77d1d717128bbeb1cc8dea8605188459e4d2c76f784cbc80125f620b1617", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b50b77d1d717128bbeb1cc8dea8605188459e4d2c76f784cbc80125f620b1617", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b50b77d1d717128bbeb1cc8dea8605188459e4d2c76f784cbc80125f620b1617", kill_on_drop: false }`
[INFO] [stdout] b50b77d1d717128bbeb1cc8dea8605188459e4d2c76f784cbc80125f620b1617
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e77a5cc7771a5365700b716374b4b4e44d75a91425618671841ad8a69d009051
[INFO] running `Command { std: "docker" "start" "-a" "e77a5cc7771a5365700b716374b4b4e44d75a91425618671841ad8a69d009051", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling libm v0.2.6
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling base64ct v1.5.3
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling thiserror v1.0.37
[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 time-macros v0.2.6
[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" "e77a5cc7771a5365700b716374b4b4e44d75a91425618671841ad8a69d009051", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e77a5cc7771a5365700b716374b4b4e44d75a91425618671841ad8a69d009051", kill_on_drop: false }`
[INFO] [stdout] e77a5cc7771a5365700b716374b4b4e44d75a91425618671841ad8a69d009051
