[INFO] fetching crate very-bad-error-propagation 0.1.1...
[INFO] testing very-bad-error-propagation-0.1.1 against 1.90.0 for beta-1.91-3
[INFO] extracting crate very-bad-error-propagation 0.1.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate very-bad-error-propagation 0.1.1
[INFO] finished tweaking crates.io crate very-bad-error-propagation 0.1.1
[INFO] tweaked toml for crates.io crate very-bad-error-propagation 0.1.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate very-bad-error-propagation 0.1.1 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate very-bad-error-propagation 0.1.1 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" "+1.90.0" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 60f4dceaad902e42777c312f44adca8034e940d9e65d0b32e52b9d0cd0de80ec
[INFO] running `Command { std: "docker" "start" "-a" "60f4dceaad902e42777c312f44adca8034e940d9e65d0b32e52b9d0cd0de80ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60f4dceaad902e42777c312f44adca8034e940d9e65d0b32e52b9d0cd0de80ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60f4dceaad902e42777c312f44adca8034e940d9e65d0b32e52b9d0cd0de80ec", kill_on_drop: false }`
[INFO] [stdout] 60f4dceaad902e42777c312f44adca8034e940d9e65d0b32e52b9d0cd0de80ec
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15b4662981d29912b802511ca797b48e5ad4ac8dc952c591e82a4d7cb0072f8b
[INFO] running `Command { std: "docker" "start" "-a" "15b4662981d29912b802511ca797b48e5ad4ac8dc952c591e82a4d7cb0072f8b", kill_on_drop: false }`
[INFO] [stderr]    Compiling very-bad-error-propagation v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "15b4662981d29912b802511ca797b48e5ad4ac8dc952c591e82a4d7cb0072f8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15b4662981d29912b802511ca797b48e5ad4ac8dc952c591e82a4d7cb0072f8b", kill_on_drop: false }`
[INFO] [stdout] 15b4662981d29912b802511ca797b48e5ad4ac8dc952c591e82a4d7cb0072f8b
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac3b5d46350031eeb002e1c57685a45d973de3774624dc88b0b4653d91734db3
[INFO] running `Command { std: "docker" "start" "-a" "ac3b5d46350031eeb002e1c57685a45d973de3774624dc88b0b4653d91734db3", kill_on_drop: false }`
[INFO] [stderr]    Compiling very-bad-error-propagation v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> examples/simple.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(local_key_cell_methods)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `local_key_cell_methods` has been stable since 1.73.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> examples/simple.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(local_key_cell_methods)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `very-bad-error-propagation` (example "simple") due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ac3b5d46350031eeb002e1c57685a45d973de3774624dc88b0b4653d91734db3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac3b5d46350031eeb002e1c57685a45d973de3774624dc88b0b4653d91734db3", kill_on_drop: false }`
[INFO] [stdout] ac3b5d46350031eeb002e1c57685a45d973de3774624dc88b0b4653d91734db3