[INFO] cloning repository https://github.com/ckaran/pyo3_issue_report_341
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ckaran/pyo3_issue_report_341" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fckaran%2Fpyo3_issue_report_341", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fckaran%2Fpyo3_issue_report_341'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d8116c36f759932a933e5ffc44b710a7415155d6
[INFO] checking ckaran/pyo3_issue_report_341 against try#8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346 for pr-86194
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fckaran%2Fpyo3_issue_report_341" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ckaran/pyo3_issue_report_341 on toolchain 8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ckaran/pyo3_issue_report_341
[INFO] finished tweaking git repo https://github.com/ckaran/pyo3_issue_report_341
[INFO] tweaked toml for git repo https://github.com/ckaran/pyo3_issue_report_341 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/ckaran/pyo3_issue_report_341 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ee811c15ba7d85c31dab9763a516e8f1d2e2f515fc2f6ca36e03f5315b07843
[INFO] running `Command { std: "docker" "start" "-a" "0ee811c15ba7d85c31dab9763a516e8f1d2e2f515fc2f6ca36e03f5315b07843", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ee811c15ba7d85c31dab9763a516e8f1d2e2f515fc2f6ca36e03f5315b07843", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ee811c15ba7d85c31dab9763a516e8f1d2e2f515fc2f6ca36e03f5315b07843", kill_on_drop: false }`
[INFO] [stdout] 0ee811c15ba7d85c31dab9763a516e8f1d2e2f515fc2f6ca36e03f5315b07843
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 780a9c64e0219886a724af3bbe9c2262917be6e8f1e58a4b3d370801244b9330
[INFO] running `Command { std: "docker" "start" "-a" "780a9c64e0219886a724af3bbe9c2262917be6e8f1e58a4b3d370801244b9330", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling memchr v2.1.3
[INFO] [stderr]    Compiling spin v0.4.10
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling proc-macro-hack-impl v0.4.1
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]     Checking remove_dir_all v0.5.1
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling regex-syntax v0.6.5
[INFO] [stderr]     Checking rand_jitter v0.1.3
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]     Checking rand_os v0.1.2
[INFO] [stderr]     Checking wait-timeout v0.1.5
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.10/src/lib.rs:6:43
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![cfg_attr(feature = "const_fn", feature(const_fn))]
[INFO] [stdout]   |                                           ^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `spin`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.10/src/lib.rs:6:43
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![cfg_attr(feature = "const_fn", feature(const_fn))]
[INFO] [stdout]   |                                           ^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "780a9c64e0219886a724af3bbe9c2262917be6e8f1e58a4b3d370801244b9330", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "780a9c64e0219886a724af3bbe9c2262917be6e8f1e58a4b3d370801244b9330", kill_on_drop: false }`
[INFO] [stdout] 780a9c64e0219886a724af3bbe9c2262917be6e8f1e58a4b3d370801244b9330