[INFO] fetching crate free-flight-stabilization 0.1.0...
[INFO] checking free-flight-stabilization-0.1.0 against try#a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399 for pr-145770
[INFO] extracting crate free-flight-stabilization 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate free-flight-stabilization 0.1.0
[INFO] finished tweaking crates.io crate free-flight-stabilization 0.1.0
[INFO] tweaked toml for crates.io crate free-flight-stabilization 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate free-flight-stabilization 0.1.0 on toolchain a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate free-flight-stabilization 0.1.0 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" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 80004aed38eec24709431032ecdafc4628ffe4452933fb9ec75bc71cab4c06a0
[INFO] running `Command { std: "docker" "start" "-a" "80004aed38eec24709431032ecdafc4628ffe4452933fb9ec75bc71cab4c06a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80004aed38eec24709431032ecdafc4628ffe4452933fb9ec75bc71cab4c06a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80004aed38eec24709431032ecdafc4628ffe4452933fb9ec75bc71cab4c06a0", kill_on_drop: false }`
[INFO] [stdout] 80004aed38eec24709431032ecdafc4628ffe4452933fb9ec75bc71cab4c06a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ac29936ce224d2141043f14a2f93d134a827172043683afad425f447b306543
[INFO] running `Command { std: "docker" "start" "-a" "6ac29936ce224d2141043f14a2f93d134a827172043683afad425f447b306543", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]    Compiling fixed v1.27.0
[INFO] [stderr]     Checking bytemuck v1.15.0
[INFO] [stderr]     Checking half v2.4.1
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking piddiy v0.1.1
[INFO] [stderr]     Checking free-flight-stabilization v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> examples/fixed.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(start)]
[INFO] [stdout]   |            ^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in 1.86.0; see <https://github.com/rust-lang/rust/pull/134299> for more information
[INFO] [stdout]   = note: not portable enough and never RFC'd
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `start` in this scope
[INFO] [stdout]   --> examples/fixed.rs:35:3
[INFO] [stdout]    |
[INFO] [stdout] 35 | #[start]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0601]: `main` function not found in crate `fixed`
[INFO] [stdout]    --> examples/fixed.rs:133:2
[INFO] [stdout]     |
[INFO] [stdout] 133 | }
[INFO] [stdout]     |  ^ consider adding a `main` function to `examples/fixed.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0557, E0601.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `free-flight-stabilization` (example "fixed") due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "6ac29936ce224d2141043f14a2f93d134a827172043683afad425f447b306543", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ac29936ce224d2141043f14a2f93d134a827172043683afad425f447b306543", kill_on_drop: false }`
[INFO] [stdout] 6ac29936ce224d2141043f14a2f93d134a827172043683afad425f447b306543
