[INFO] cloning repository https://github.com/Zourunfa/rustings-practice [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Zourunfa/rustings-practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZourunfa%2Frustings-practice", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZourunfa%2Frustings-practice'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b3156a526a710fbdfd11aacd84a8952081d64663 [INFO] checking Zourunfa/rustings-practice against try#3298c2ca5e390fd0d104357fdeec514a152a9561 for pr-136490 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZourunfa%2Frustings-practice" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. 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[INFO] validating manifest of git repo https://github.com/Zourunfa/rustings-practice on toolchain 3298c2ca5e390fd0d104357fdeec514a152a9561 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3298c2ca5e390fd0d104357fdeec514a152a9561" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Zourunfa/rustings-practice [INFO] finished tweaking git repo https://github.com/Zourunfa/rustings-practice [INFO] tweaked toml for git repo https://github.com/Zourunfa/rustings-practice written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Zourunfa/rustings-practice 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" "+3298c2ca5e390fd0d104357fdeec514a152a9561" "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 [ERROR] error running command: no output for 300 seconds [INFO] checking Zourunfa/rustings-practice against try#3298c2ca5e390fd0d104357fdeec514a152a9561 for pr-136490 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZourunfa%2Frustings-practice" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. 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[INFO] validating manifest of git repo https://github.com/Zourunfa/rustings-practice on toolchain 3298c2ca5e390fd0d104357fdeec514a152a9561 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3298c2ca5e390fd0d104357fdeec514a152a9561" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Zourunfa/rustings-practice [INFO] finished tweaking git repo https://github.com/Zourunfa/rustings-practice [INFO] tweaked toml for git repo https://github.com/Zourunfa/rustings-practice written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Zourunfa/rustings-practice 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" "+3298c2ca5e390fd0d104357fdeec514a152a9561" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+3298c2ca5e390fd0d104357fdeec514a152a9561" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5f3053ae00509d910a611b8f13cad3679cb132e517a4c37690f22d9e8b8dc5bb [INFO] running `Command { std: "docker" "start" "-a" "5f3053ae00509d910a611b8f13cad3679cb132e517a4c37690f22d9e8b8dc5bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5f3053ae00509d910a611b8f13cad3679cb132e517a4c37690f22d9e8b8dc5bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5f3053ae00509d910a611b8f13cad3679cb132e517a4c37690f22d9e8b8dc5bb", kill_on_drop: false }` [INFO] [stdout] 5f3053ae00509d910a611b8f13cad3679cb132e517a4c37690f22d9e8b8dc5bb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+3298c2ca5e390fd0d104357fdeec514a152a9561" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5bf7d1356f8fdfc5b90cc0223b014d2ebdfc7cd9fd1b8397d6f8bd0794278daa [INFO] running `Command { std: "docker" "start" "-a" "5bf7d1356f8fdfc5b90cc0223b014d2ebdfc7cd9fd1b8397d6f8bd0794278daa", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.53 [INFO] [stderr] Compiling libc v0.2.140 [INFO] [stderr] Compiling serde_derive v1.0.158 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling serde v1.0.158 [INFO] [stderr] Compiling serde_json v1.0.94 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking regex-syntax v0.6.29 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Checking predicates-core v1.0.6 [INFO] [stderr] Compiling argh_shared v0.1.10 [INFO] [stderr] Checking unicode-width v0.1.10 [INFO] [stderr] Checking lazycell v1.3.0 [INFO] [stderr] Checking float-cmp v0.8.0 [INFO] [stderr] Checking difference v2.0.0 [INFO] [stderr] Checking walkdir v2.3.3 [INFO] [stderr] Checking termtree v0.4.1 [INFO] [stderr] Checking normalize-line-endings v0.3.0 [INFO] [stderr] Checking number_prefix v0.4.0 [INFO] [stderr] Checking glob v0.3.1 [INFO] [stderr] Checking home v0.5.4 [INFO] [stderr] Checking predicates-tree v1.0.9 [INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.53/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] [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" "5bf7d1356f8fdfc5b90cc0223b014d2ebdfc7cd9fd1b8397d6f8bd0794278daa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5bf7d1356f8fdfc5b90cc0223b014d2ebdfc7cd9fd1b8397d6f8bd0794278daa", kill_on_drop: false }` [INFO] [stdout] 5bf7d1356f8fdfc5b90cc0223b014d2ebdfc7cd9fd1b8397d6f8bd0794278daa