[INFO] cloning repository https://github.com/0xfMel/MBMOBU
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0xfMel/MBMOBU" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xfMel%2FMBMOBU", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xfMel%2FMBMOBU'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] babaa1ec31e08ebe5e7d33e257094aed766283c3
[INFO] checking 0xfMel/MBMOBU against master#fcac501a73cdde54de46a0683567f1a890730555 for pr-151102
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xfMel%2FMBMOBU" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-4-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/0xfMel/MBMOBU
[INFO] finished tweaking git repo https://github.com/0xfMel/MBMOBU
[INFO] tweaked toml for git repo https://github.com/0xfMel/MBMOBU written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/0xfMel/MBMOBU on toolchain fcac501a73cdde54de46a0683567f1a890730555
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fcac501a73cdde54de46a0683567f1a890730555" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/0xfMel/MBMOBU 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" "+fcac501a73cdde54de46a0683567f1a890730555" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded walkdir v2.3.3
[INFO] [stderr]   Downloaded twox-hash v1.6.3
[INFO] [stderr]   Downloaded ulid v1.0.0
[INFO] [stderr]   Downloaded cpufeatures v0.2.7
[INFO] [stderr]   Downloaded dirs-sys v0.4.1
[INFO] [stderr]   Downloaded dirs v5.0.1
[INFO] [stderr]   Downloaded signature v2.1.0
[INFO] [stderr]   Downloaded kanal v0.1.0-pre8
[INFO] [stderr]   Downloaded memmap2 v0.6.2
[INFO] [stderr]   Downloaded zeroize v1.6.0
[INFO] [stderr]   Downloaded just-argon2 v1.2.0
[INFO] [stderr]   Downloaded const-oid v0.9.2
[INFO] [stderr]   Downloaded der v0.7.6
[INFO] [stderr]   Downloaded libm v0.2.7
[INFO] [stderr]   Downloaded num-bigint-dig v0.8.2
[INFO] [stderr]   Downloaded tokio-util v0.7.8
[INFO] [stderr]   Downloaded toml_edit v0.19.10
[INFO] [stderr]   Downloaded rsa v0.9.2
[INFO] [stderr]   Downloaded zstd-safe v6.0.5+zstd.1.5.4
[INFO] [stderr]   Downloaded filetime v0.2.21
[INFO] [stderr]   Downloaded users v0.11.0
[INFO] [stderr]   Downloaded jobserver v0.1.26
[INFO] [stderr]   Downloaded spki v0.7.2
[INFO] [stderr]   Downloaded zstd-sys v2.0.8+zstd.1.5.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+fcac501a73cdde54de46a0683567f1a890730555" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bbb0ec9a4fd616e98b515abfa5619f53a657427f08f48e85ad2711f11f7d14f4
[INFO] running `Command { std: "docker" "start" "-a" "bbb0ec9a4fd616e98b515abfa5619f53a657427f08f48e85ad2711f11f7d14f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bbb0ec9a4fd616e98b515abfa5619f53a657427f08f48e85ad2711f11f7d14f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbb0ec9a4fd616e98b515abfa5619f53a657427f08f48e85ad2711f11f7d14f4", kill_on_drop: false }`
[INFO] [stdout] bbb0ec9a4fd616e98b515abfa5619f53a657427f08f48e85ad2711f11f7d14f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+fcac501a73cdde54de46a0683567f1a890730555" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b33e57b28cbc1b96a5a8e0035be522afca1511f40b54d111516da406b59d8958
[INFO] running `Command { std: "docker" "start" "-a" "b33e57b28cbc1b96a5a8e0035be522afca1511f40b54d111516da406b59d8958", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking const-oid v0.9.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.59
[INFO] [stderr]    Compiling libm v0.2.7
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.59/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a feature with a similar name: `proc_macro_span_file`
[INFO] [stdout]    |
[INFO] [stdout] 92 -     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout] 92 +     feature(proc_macro_span, proc_macro_span_file)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde v1.0.163
[INFO] [stderr]    Compiling num-integer v0.1.45
[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" "b33e57b28cbc1b96a5a8e0035be522afca1511f40b54d111516da406b59d8958", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b33e57b28cbc1b96a5a8e0035be522afca1511f40b54d111516da406b59d8958", kill_on_drop: false }`
[INFO] [stdout] b33e57b28cbc1b96a5a8e0035be522afca1511f40b54d111516da406b59d8958
