[INFO] cloning repository https://github.com/DmitrijVC/bear100
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DmitrijVC/bear100" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDmitrijVC%2Fbear100", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDmitrijVC%2Fbear100'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9e81c00847112c773c5629d50d83ba172855b6de
[INFO] checking DmitrijVC/bear100 against master#779e19d8baa3e3625bd4fc5c85cbb2ad47b43155 for pr-147589-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDmitrijVC%2Fbear100" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/DmitrijVC/bear100
[INFO] finished tweaking git repo https://github.com/DmitrijVC/bear100
[INFO] tweaked toml for git repo https://github.com/DmitrijVC/bear100 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/DmitrijVC/bear100 on toolchain 779e19d8baa3e3625bd4fc5c85cbb2ad47b43155
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/DmitrijVC/bear100 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" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quote v1.0.22
[INFO] [stderr]   Downloaded proc-macro2 v1.0.48
[INFO] [stderr]   Downloaded serde_json v1.0.90
[INFO] [stderr]   Downloaded sysinfo v0.27.0
[INFO] [stderr]   Downloaded syn v1.0.106
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d5ee96ebdfb91f21b0fb8ff58990b4ad583be2cc016d72c95c41c7756c94c78b
[INFO] running `Command { std: "docker" "start" "-a" "d5ee96ebdfb91f21b0fb8ff58990b4ad583be2cc016d72c95c41c7756c94c78b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5ee96ebdfb91f21b0fb8ff58990b4ad583be2cc016d72c95c41c7756c94c78b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5ee96ebdfb91f21b0fb8ff58990b4ad583be2cc016d72c95c41c7756c94c78b", kill_on_drop: false }`
[INFO] [stdout] d5ee96ebdfb91f21b0fb8ff58990b4ad583be2cc016d72c95c41c7756c94c78b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a84e19e2374dac3ad83638e48a53fa2f3072f3af3ad12a13ed14bcc16e000df2
[INFO] running `Command { std: "docker" "start" "-a" "a84e19e2374dac3ad83638e48a53fa2f3072f3af3ad12a13ed14bcc16e000df2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.48
[INFO] [stderr]    Compiling quote v1.0.22
[INFO] [stderr]    Compiling syn v1.0.106
[INFO] [stderr]    Compiling serde_derive v1.0.151
[INFO] [stderr]    Compiling serde v1.0.151
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]    Compiling serde_json v1.0.90
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking crossbeam-epoch v0.9.13
[INFO] [stderr]     Checking num_cpus v1.14.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.2
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.48/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 tracing-log v0.1.3
[INFO] [stderr]     Checking rayon-core v1.10.1
[INFO] [stderr]     Checking tracing-subscriber v0.3.16
[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" "a84e19e2374dac3ad83638e48a53fa2f3072f3af3ad12a13ed14bcc16e000df2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a84e19e2374dac3ad83638e48a53fa2f3072f3af3ad12a13ed14bcc16e000df2", kill_on_drop: false }`
[INFO] [stdout] a84e19e2374dac3ad83638e48a53fa2f3072f3af3ad12a13ed14bcc16e000df2
