[INFO] fetching crate cargo-function-history 0.2.1...
[INFO] checking cargo-function-history-0.2.1 against try#31561a63598a0f21fc74c024747ef1310fdd2eb2 for pr-133536
[INFO] extracting crate cargo-function-history 0.2.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate cargo-function-history 0.2.1 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 cargo-function-history 0.2.1
[INFO] finished tweaking crates.io crate cargo-function-history 0.2.1
[INFO] tweaked toml for crates.io crate cargo-function-history 0.2.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate cargo-function-history 0.2.1 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] f9b669b84e0d5a2feaeec3928cb6a57cbcaf66dcbb82d82152a966fc8e36a711
[INFO] running `Command { std: "docker" "start" "-a" "f9b669b84e0d5a2feaeec3928cb6a57cbcaf66dcbb82d82152a966fc8e36a711", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9b669b84e0d5a2feaeec3928cb6a57cbcaf66dcbb82d82152a966fc8e36a711", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9b669b84e0d5a2feaeec3928cb6a57cbcaf66dcbb82d82152a966fc8e36a711", kill_on_drop: false }`
[INFO] [stdout] f9b669b84e0d5a2feaeec3928cb6a57cbcaf66dcbb82d82152a966fc8e36a711
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 73b59465360db249e7791045893735491260998c2ac8265aacf7f98fcca6d35e
[INFO] running `Command { std: "docker" "start" "-a" "73b59465360db249e7791045893735491260998c2ac8265aacf7f98fcca6d35e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.133
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]     Checking once_cell v1.15.0
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.44
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
[INFO] [stderr]    Compiling syn v1.0.101
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.10
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]    Compiling signal-hook v0.3.14
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking text-size v1.1.0
[INFO] [stderr]     Checking unicode-xid v0.2.4
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking rustc-ap-rustc_lexer v725.0.0
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling rustversion v1.0.9
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]     Checking always-assert v0.1.2
[INFO] [stderr]     Checking drop_bomb v0.1.5
[INFO] [stderr]     Checking ra_ap_limit v0.0.131
[INFO] [stderr]     Checking ra_ap_la-arena v0.0.131
[INFO] [stderr]     Checking aho-corasick v0.7.19
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]     Checking iana-time-zone v0.1.50
[INFO] [stderr]     Checking ra_ap_parser v0.0.131
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]    Compiling time-macros v0.2.4
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]     Checking cov-mark v2.0.0-pre.1
[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]    Compiling tokio v1.21.2
[INFO] [stderr]    Compiling eyre v0.6.8
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]     Checking unicode-width v0.1.10
[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" "73b59465360db249e7791045893735491260998c2ac8265aacf7f98fcca6d35e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73b59465360db249e7791045893735491260998c2ac8265aacf7f98fcca6d35e", kill_on_drop: false }`
[INFO] [stdout] 73b59465360db249e7791045893735491260998c2ac8265aacf7f98fcca6d35e
