[INFO] fetching crate cargo-cryptile 0.2.0...
[INFO] checking cargo-cryptile-0.2.0 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate cargo-cryptile 0.2.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate cargo-cryptile 0.2.0 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-cryptile 0.2.0
[INFO] finished tweaking crates.io crate cargo-cryptile 0.2.0
[INFO] tweaked toml for crates.io crate cargo-cryptile 0.2.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate cargo-cryptile 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" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-task v3.0.0
[INFO] [stderr]   Downloaded hmac-sha256 v1.1.5
[INFO] [stderr]   Downloaded console v0.15.2
[INFO] [stderr]   Downloaded cipher v0.4.3
[INFO] [stderr]   Downloaded aes v0.8.2
[INFO] [stderr]   Downloaded dialoguer v0.10.2
[INFO] [stderr]   Downloaded threads_pool v0.2.6
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cfd4cd13b59db72e008fdfeb069ad05a1a01e953d811e6a9d39c3b2a2a8c9fb9
[INFO] running `Command { std: "docker" "start" "-a" "cfd4cd13b59db72e008fdfeb069ad05a1a01e953d811e6a9d39c3b2a2a8c9fb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cfd4cd13b59db72e008fdfeb069ad05a1a01e953d811e6a9d39c3b2a2a8c9fb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfd4cd13b59db72e008fdfeb069ad05a1a01e953d811e6a9d39c3b2a2a8c9fb9", kill_on_drop: false }`
[INFO] [stdout] cfd4cd13b59db72e008fdfeb069ad05a1a01e953d811e6a9d39c3b2a2a8c9fb9
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0dc3a93eb1ea451a7cdec0a59ab05b3f3a683fcfe4b7a1f2bf82f6c6a55dc19e
[INFO] running `Command { std: "docker" "start" "-a" "0dc3a93eb1ea451a7cdec0a59ab05b3f3a683fcfe4b7a1f2bf82f6c6a55dc19e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling serde_derive v1.0.147
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]    Compiling serde_json v1.0.87
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking hashbrown v0.1.8
[INFO] [stderr]     Checking zeroize v1.5.7
[INFO] [stderr]     Checking async-task v3.0.0
[INFO] [stderr]     Checking cpufeatures v0.2.5
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking plotters-backend v0.3.4
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.47/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]     Checking hmac-sha256 v1.1.5
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking plotters-svg v0.3.3
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[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 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "0dc3a93eb1ea451a7cdec0a59ab05b3f3a683fcfe4b7a1f2bf82f6c6a55dc19e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dc3a93eb1ea451a7cdec0a59ab05b3f3a683fcfe4b7a1f2bf82f6c6a55dc19e", kill_on_drop: false }`
[INFO] [stdout] 0dc3a93eb1ea451a7cdec0a59ab05b3f3a683fcfe4b7a1f2bf82f6c6a55dc19e
