[INFO] cloning repository https://github.com/Yuki-jpn20/mario_siblings
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Yuki-jpn20/mario_siblings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYuki-jpn20%2Fmario_siblings", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYuki-jpn20%2Fmario_siblings'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] df603d983bf11500a3d3e5f269225786391eb0ad
[INFO] checking Yuki-jpn20/mario_siblings/df603d983bf11500a3d3e5f269225786391eb0ad against master#c8551d3c63c51f290cf1dc9dc4714249ea849fd1 for pr-148946
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYuki-jpn20%2Fmario_siblings" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Yuki-jpn20/mario_siblings
[INFO] finished tweaking git repo https://github.com/Yuki-jpn20/mario_siblings
[INFO] tweaked toml for git repo https://github.com/Yuki-jpn20/mario_siblings written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Yuki-jpn20/mario_siblings on toolchain c8551d3c63c51f290cf1dc9dc4714249ea849fd1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c8551d3c63c51f290cf1dc9dc4714249ea849fd1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Yuki-jpn20/mario_siblings 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" "+c8551d3c63c51f290cf1dc9dc4714249ea849fd1" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c8551d3c63c51f290cf1dc9dc4714249ea849fd1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d7418bab98f4951f6682a9261db9f10bd61a175e82234857b6c03f84a95aeb26
[INFO] running `Command { std: "docker" "start" "-a" "d7418bab98f4951f6682a9261db9f10bd61a175e82234857b6c03f84a95aeb26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7418bab98f4951f6682a9261db9f10bd61a175e82234857b6c03f84a95aeb26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7418bab98f4951f6682a9261db9f10bd61a175e82234857b6c03f84a95aeb26", kill_on_drop: false }`
[INFO] [stdout] d7418bab98f4951f6682a9261db9f10bd61a175e82234857b6c03f84a95aeb26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c8551d3c63c51f290cf1dc9dc4714249ea849fd1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe2265e806c557b2a36c59d6e0e2d14db94abee5d35e78ca0bbba9311845aeed
[INFO] running `Command { std: "docker" "start" "-a" "fe2265e806c557b2a36c59d6e0e2d14db94abee5d35e78ca0bbba9311845aeed", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.102
[INFO] [stderr]    Compiling libc v0.2.135
[INFO] [stderr]    Compiling serde_derive v1.0.145
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking cache-padded v1.2.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.4
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]    Compiling erased-serde v0.3.23
[INFO] [stderr]     Checking fastrand v1.8.0
[INFO] [stderr]     Checking futures-io v0.3.25
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.47/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 parking v2.0.0
[INFO] [stderr]     Checking async-task v4.3.0
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking concurrent-queue v1.2.4
[INFO] [stderr]     Checking bevy_ptr v0.8.1
[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" "fe2265e806c557b2a36c59d6e0e2d14db94abee5d35e78ca0bbba9311845aeed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe2265e806c557b2a36c59d6e0e2d14db94abee5d35e78ca0bbba9311845aeed", kill_on_drop: false }`
[INFO] [stdout] fe2265e806c557b2a36c59d6e0e2d14db94abee5d35e78ca0bbba9311845aeed