[INFO] fetching crate cosmology 0.3.2...
[INFO] checking cosmology-0.3.2 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate cosmology 0.3.2 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate cosmology 0.3.2
[INFO] finished tweaking crates.io crate cosmology 0.3.2
[INFO] tweaked toml for crates.io crate cosmology 0.3.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cosmology 0.3.2 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cosmology 0.3.2 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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 68f0ac75b73dbdecc2246e153aee2bd950a9d432e5c6598da31eb883843f5dd1
[INFO] running `Command { std: "docker" "start" "-a" "68f0ac75b73dbdecc2246e153aee2bd950a9d432e5c6598da31eb883843f5dd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68f0ac75b73dbdecc2246e153aee2bd950a9d432e5c6598da31eb883843f5dd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68f0ac75b73dbdecc2246e153aee2bd950a9d432e5c6598da31eb883843f5dd1", kill_on_drop: false }`
[INFO] [stdout] 68f0ac75b73dbdecc2246e153aee2bd950a9d432e5c6598da31eb883843f5dd1
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] adc461a172942fe4d5be3b635338fb8ce4dbede01de58f1df1332a9ff12967a0
[INFO] running `Command { std: "docker" "start" "-a" "adc461a172942fe4d5be3b635338fb8ce4dbede01de58f1df1332a9ff12967a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling syn v1.0.102
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.135
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling libm v0.2.5
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling ucd-trie v0.1.5
[INFO] [stderr]    Compiling serde_derive v1.0.145
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]     Checking miniz_oxide v0.5.4
[INFO] [stderr]    Compiling nom v6.2.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.46/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 num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.11
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking itoa v1.0.4
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling rayon-core v1.9.3
[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" "adc461a172942fe4d5be3b635338fb8ce4dbede01de58f1df1332a9ff12967a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adc461a172942fe4d5be3b635338fb8ce4dbede01de58f1df1332a9ff12967a0", kill_on_drop: false }`
[INFO] [stdout] adc461a172942fe4d5be3b635338fb8ce4dbede01de58f1df1332a9ff12967a0