[INFO] fetching crate fastleng 0.2.0...
[INFO] checking fastleng-0.2.0 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate fastleng 0.2.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate fastleng 0.2.0
[INFO] finished tweaking crates.io crate fastleng 0.2.0
[INFO] tweaked toml for crates.io crate fastleng 0.2.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fastleng 0.2.0 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate fastleng 0.2.0 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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded newtype_derive v0.1.6
[INFO] [stderr]   Downloaded fs-utils v1.1.4
[INFO] [stderr]   Downloaded bio-types v0.13.0
[INFO] [stderr]   Downloaded cmake v0.1.50
[INFO] [stderr]   Downloaded linear-map v1.2.0
[INFO] [stderr]   Downloaded needletail v0.4.1
[INFO] [stderr]   Downloaded rust-htslib v0.39.5
[INFO] [stderr]   Downloaded hts-sys v2.0.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e70b7b341715ad1572b8cef2ed62625f93e605e0fd5b5ba404ea66183fd6ec10
[INFO] running `Command { std: "docker" "start" "-a" "e70b7b341715ad1572b8cef2ed62625f93e605e0fd5b5ba404ea66183fd6ec10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e70b7b341715ad1572b8cef2ed62625f93e605e0fd5b5ba404ea66183fd6ec10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e70b7b341715ad1572b8cef2ed62625f93e605e0fd5b5ba404ea66183fd6ec10", kill_on_drop: false }`
[INFO] [stdout] e70b7b341715ad1572b8cef2ed62625f93e605e0fd5b5ba404ea66183fd6ec10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c772b1a83ec3fa99016e98fab085170cff4bc053d6590103c6bd72486ce4a389
[INFO] running `Command { std: "docker" "start" "-a" "c772b1a83ec3fa99016e98fab085170cff4bc053d6590103c6bd72486ce4a389", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling fs-utils v1.1.4
[INFO] [stderr]     Checking regex v1.7.3
[INFO] [stderr]    Compiling newtype_derive v0.1.6
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.56/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 miniz_oxide v0.6.2
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking idna v0.3.0
[INFO] [stderr]     Checking buf_redux v0.8.4
[INFO] [stderr]     Checking flate2 v1.0.25
[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" "c772b1a83ec3fa99016e98fab085170cff4bc053d6590103c6bd72486ce4a389", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c772b1a83ec3fa99016e98fab085170cff4bc053d6590103c6bd72486ce4a389", kill_on_drop: false }`
[INFO] [stdout] c772b1a83ec3fa99016e98fab085170cff4bc053d6590103c6bd72486ce4a389