[INFO] cloning repository https://github.com/syre-data/io_error_serde
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/syre-data/io_error_serde" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsyre-data%2Fio_error_serde", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsyre-data%2Fio_error_serde'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bd3d25babe61525fe6e06e0728bf5637c3f2cf0c
[INFO] checking syre-data/io_error_serde against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsyre-data%2Fio_error_serde" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-7-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/syre-data/io_error_serde
[INFO] finished tweaking git repo https://github.com/syre-data/io_error_serde
[INFO] tweaked toml for git repo https://github.com/syre-data/io_error_serde written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/syre-data/io_error_serde on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/syre-data/io_error_serde 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d45a5d655b27c596f2d451b3e5bcb7bea7fa40ad7ddd4bc86a6e02d572eb4483
[INFO] running `Command { std: "docker" "start" "-a" "d45a5d655b27c596f2d451b3e5bcb7bea7fa40ad7ddd4bc86a6e02d572eb4483", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d45a5d655b27c596f2d451b3e5bcb7bea7fa40ad7ddd4bc86a6e02d572eb4483", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d45a5d655b27c596f2d451b3e5bcb7bea7fa40ad7ddd4bc86a6e02d572eb4483", kill_on_drop: false }`
[INFO] [stdout] d45a5d655b27c596f2d451b3e5bcb7bea7fa40ad7ddd4bc86a6e02d572eb4483
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 360be315a7d17d03cfc3de06709311bec8f7c1053bb7f1925ef23d31babb3271
[INFO] running `Command { std: "docker" "start" "-a" "360be315a7d17d03cfc3de06709311bec8f7c1053bb7f1925ef23d31babb3271", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]    Compiling darling_core v0.20.10
[INFO] [stderr]    Compiling serde_derive v1.0.215
[INFO] [stderr]    Compiling darling_macro v0.20.10
[INFO] [stderr]    Compiling darling v0.20.10
[INFO] [stderr]    Compiling serde_with_macros v3.11.0
[INFO] [stderr]     Checking serde v1.0.215
[INFO] [stderr]     Checking serde_with v3.11.0
[INFO] [stderr]     Checking io_error_serde v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(io_error_more)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(io_error_more)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `io_error_serde` (lib test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `io_error_serde` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "360be315a7d17d03cfc3de06709311bec8f7c1053bb7f1925ef23d31babb3271", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "360be315a7d17d03cfc3de06709311bec8f7c1053bb7f1925ef23d31babb3271", kill_on_drop: false }`
[INFO] [stdout] 360be315a7d17d03cfc3de06709311bec8f7c1053bb7f1925ef23d31babb3271
